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Intrinsic Value is all-important and is the only logical way to evaluate the relative attractiveness of investments and businesses.
Good afternoon. My name is Jessa, and I will be your conference operator today. At this time, I would like to welcome everyone to the Power Integrations First Quarter Earnings Conference Call. All lines have been placed on mute to prevent any background noise. After the speakers' remarks, there will be a question-and-answer session. Thank you.
Mr. Joe Shiffler, Director of Investor Relations, you may begin your conference.
Thank you. Good afternoon, and thanks for joining us. With me on the call today are Balu Balakrishnan, President and CEO of Power Integrations; and Sandeep Nayyar, our Chief Financial Officer.
During the call today, we will refer to financial measures not calculated according to Generally Accepted Accounting Principles. Please refer to today's press release, which is posted on our Investor website, for an explanation of our reasons for using such non-GAAP measures as well as tables reconciling these measures to our GAAP results.
Our discussion today, including the Q&A session, will include forward-looking statements denoted by words like will, would, believe, should, expect, outlook, forecast, and similar expressions that look toward future events or performance. Forward-looking statements are subject to risks and uncertainties that may cause actual results to differ materially from those projected or implied in our statements. Such risks and uncertainties are discussed in our press release and in our most recent Form 10-K filed with the SEC on February 14, 2018.
Finally, this call is the property of Power Integrations and any recording or rebroadcast is expressly prohibited without the written consent of Power Integrations.
Now, I'll turn the call over to Balu.
Thanks, Joe, and good afternoon. As we discussed on our February call, our expectations for Q1 were tempered by the ongoing slowdown in the smartphone market, particularly in China, and by a short-term inventory correction in consumer appliances after a run of very strong growth in that market. We also noted that orders had recovered in January, after slowing in December, but that the looming holidays in Asia made the recovery difficult to interpret.
At a high level, the quarter played out largely as expected with revenues landing in the middle of our projected range at $103.1 million, down 5% from the prior quarter. However, looking more closely at the end markets, the softness in the smartphones was somewhat more pronounced than we anticipated, while the appliance market proved more resilient. In fact, while revenues from the communications category fell sharply from the prior quarter, the consumer category grew slightly as did the industrial and computer categories.
On a year-over-year basis, Q1 revenues were down 2% overall, driven entirely by the communications category, while combined revenues from the other three categories grew approximately 10%. This growth was led by the industrial category, which grew in the mid-teens year-over-year, driven by the same broad range of applications and big picture trends that drove our growth in 2017. These include the high-power market, where we continue to see steady growth in the renewable energy applications and have seen an uptick in the energy sector with the recent rebound in oil prices.
We also continue to see growth in a variety of industrial AC to DC applications such as IoT devices, USB power outlets, smart utility meters and battery-operated power tools, where lithium ion batteries are rapidly replacing gasoline and plug-in motors in products such as lawn mowers, chainsaws, trimmers and vacuum cleaners. The interchangeable battery packs used in these devices requires chargers that not only deliver high power, but also in many cases can charge multiple batteries at once, meaning high dollar content for Power Integrations. In fact, one such design that has recently gone into production contains several of our hyper family ICs and over $4 of total content.
In the consumer market, revenues increased mid-single digits year-over-year, despite the inventory overhang in the appliance market. We are benefiting from the rising dollar content in all manner of appliances, which in turn is being driven by multiple sub-trends, including the switch to electronically controlled DC motors, the conversion to LEDs for interior lighting, and the addition of displays and network connectivity. It is also being driven by tighter energy efficiency specifications as OEMs look for ways to deliver all of this new functionality with the same or even smaller power budgets.
Power Integrations excels at helping designers meet these challenges. In Q1, we won a new dishwasher design with a major European appliance maker, incorporating three of our ICs, a tiny switch for power conversion along with CapZero and SenZero ICs to achieve exceptionally low standby consumption.
We also won multiple appliance designs with InnoSwitch products in Q1, including air conditioners for major Chinese and Japanese OEMs, a refrigerator for a large European customer, and multiple designs for a Korean customer using InnoSwitch3. InnoSwitch products are gaining traction in the appliance market, thanks to the dramatically higher level of integration, which not only brings significant reliability benefits to our customers, but also higher ASPs than earlier products.
Turning to communications end market, while Q1 revenues were impacted by the softness in demand from the China handset market, we have seen a meaningful uptick in orders in recent weeks and expect significant sequential growth in the June quarter. In terms of the bigger picture, while adoption of rapid charging has been slowed by lengthy development process for USB PD and a muddle of competing proprietary protocols filling the gap in the interim, we believe there is pent-up demand on the part of the OEMs to move forward with a new charging ecosystem that enables not only faster charging, but also greater interoperability with devices and chargers able to talk to each other using a common interface, and deliver the right amount of power for any charger to any device.
Power Integrations has been the leader in initial stages of rapid charging adoption, and we believe this next phase will favor Power Integrations to an even greater extent as increasingly complex and powerful chargers will require more sophisticated and higher value power conversion ICs. Several designs, incorporating our InnoSwitch-3 three products have recently been certified for use with USB PD 3.0 and its latest iteration USB PD 3.0 with PPS. PPS stands for Programmable Power Supply that allows direct charging, in which the battery charging power management circuitry is relocated from the phone to the charger, helping the designers solve the thermal challengers associated with pumping more and more power into the phone.
We have additional designs going through the certification process, including several with our latest InnoSwitch product called InnoSwitch Pro (sic) [InnoSwitch3-Pro] with Pro standing for programmable. Introduced just last month InnoSwitch3-Pro gives designers the level of control and flexibility never before seen in the power supply market, offering precise, dynamically adjustable, micro-stepping of voltage and current in 10-millivolt and 15-milliamp steps respectively, along with feel programmability through a software interface. The new devices may be paired with microcontroller or can take inputs from a system CPU to control and monitor the power supply. This capability is extremely useful in rapid charging applications, enabling designers to configure a base design for use with any fast-charging protocol and allowing highly-integrated designs for implementing direct charging with the PPS protocol using USB PD 3.0.
The ability to precisely control output voltage and current is also useful for designers for specialized applications with smaller production runs particularly in the industrial market, as they can easily configure a single board design for multiple product SKUs using software either at manufacture or doing installation.
Turning to the near-term outlook, the stronger bookings that we saw in January resumed at a healthy clip after Lunar New Year holiday, putting us on track for a healthy sequential revenue growth in the June quarter. We are projecting Q2 revenues of $109 million, plus or minus $3 million, with growth reflecting typical seasonal strength in the air conditioning in addition to the recovery in smartphones.
With that, I'll turn it over to Sandeep for a review of the financials.
Thanks, Balu, and good afternoon. Our Q1 results are straightforward. So, I will just quickly cover the financial highlights and the outlook, and then we will open it up for Q&A.
First quarter revenues were in the middle of our range at $103.1 million, down 5% sequentially. As Balu indicated, the sequential decline was driven entirely by the communication end market, where revenues fell by more than 20%.
Revenues increased slightly on a sequential basis in all three of the other end-market categories. Revenue mix for the quarter was 40% consumer, 36% industrial, 19% communication and 5% computing. The consumer and industrial markets, each gained 3 percentage points versus the prior quarter, while the communication category fell by about 6 percentage points. This change in mix was the primary driver of the sequential improvement in our non-GAAP gross margin, which expanded by 180 basis points to 53%, its highest level in nearly three years.
Non-GAAP operating expenses were $33.7 million for the quarter, about $1 million higher than the prior quarter, driven mainly by seasonal factors such as the resumption of FICA taxes and the comparative effect of the year-end shutdown in the previous quarter. We came in below our forecasted range for OpEx, mainly reflecting the timing of head count additions and other spending.
Non-GAAP operating margin was 20.3% for the quarter. The non-GAAP effective tax rate for the quarter was 6.4%, while weighted average share count fell by about 140,000 shares, reflecting activity on our share repurchase program. All-in, non-GAAP earnings was $0.67 per diluted share, down from the prior quarter, but up about 6% on a year-over-year basis.
Cash and investments in the balance sheet totaled $258 million at quarter-end, a decrease of $25 million during the quarter. We utilized approximately $33 million for a share buyback during the quarter, buying back just under 0.5 million shares at an average price of $66 and change.
Other uses of cash during the quarter included CapEx of $6.5 million, and dividend payments of about $5 million. Inventories increased by $6 million during the quarter and stood at 116 days at quarter-end. That's within our target range of 110 days plus or minus 15, and we expect to remain in that range for the June quarter.
Channel inventory stacked higher by half a week, a smaller increase than we typically see in the March quarter, reflecting the fact that inventories were already a bit higher than normal exiting the December quarter. We do expect a reduction in distributor inventories in the June quarter.
Looking ahead, we expect second quarter revenues to be in the range of $109 million plus or minus $3 million, a sequential increase of about 6% at the midpoint. With much of the growth coming from a recovery in communication end market, we expect a somewhat less favorable end market mix, resulting in non-GAAP gross margin of around 52%. Non-GAAP operating expenses should be around $35 million with the sequential increase driven largely by annual merit increases and head count additions.
Our non-GAAP tax rate should be between 7% and 8%. Share count should decline meaningfully, reflecting continued back buy activity, as well as the full quarter's impact of the shares repurchased in the March quarter. Specifically, I expect a sequential decrease of 300,000 to 400,000 shares, depending on the movement of stock price between now and the end of the quarter.
And with that, I'll turn it back over to Joe.
Thanks, Sandeep. We'll open it up for the Q&A session now. Jessa, would you please give the instructions for the Q&A?
Certainly. Your first question comes from the line of Tore Svanberg from Stifel. Please go ahead.
Yes. Thank you and congratulations on the stabilization. First question is on InnoSwitch3-Pro. So, Balu, you gave quite a bit of detail. I was just wondering if you could elaborate a little bit more as far as do you get higher dollar content whenever you sell InnoSwitch3-Pro and when should we expect this product to contribute more meaningfully to revenues.
Thanks, Tore. Yes, the InnoSwitch3-Pro is basically a higher level of integration on the secondary side, so that we incorporate more of the functionality that would be required for rapid charging including USB PD. So, the only thing that you need to attach to InnoSwitch3-Pro is a very low cost microcontroller that will implement the protocol, and it doesn't matter what protocol it is, whether it's USB PD or a proprietary protocol.
So, by definition, the ASP is higher because it incorporates quite a bit more of functionality such as the ability to adjust the voltage of current in very, very small steps, and also be able to read voltage in current. There's telemetry provided in the other direction which is very, very useful in very sophisticated charger type applications and also for industrial applications.
As far as the revenue from this product, there's a lot of design going on at this time. We just announced it about a month ago, and it will start – it should start generating some revenue in the late part of this year, but it will be more substantial in the next year.
And perhaps as a follow-up to that question. I know, when it comes to gross margin, the mix is always a bit more unfavorable in communications. Is this the kind of product that potentially changes the dynamics there or should we still assume that communications going forward will remain a lower gross margin business than all the other segments?
Well, the communications will always be lower gross margin business simply because of the concentration of customers, the volumes are very high. And by definition they will demand lower prices because of competition. Even though we provide something that is very unique and highly integrated, there is always discrete solutions. So, we have to be competitive. However, the big difference is ASP. We will get lot more per charger than we were getting even two years ago.
Very good. Last question for me. If you look at the consumer revenue, so obviously it was impacted late last year. That looks like it's kind of back to normal now. Are you anticipating that segment to be able to grow 10% this year based on the start you've seen so far?
I can't tell you how much it'll grow, but I can tell you it will grow. We are gaining share from our competitors. And on top of that, our content continues to grow. It's really shocking to me that even coffee makers and bread makers now have Wi-Fi, not quite sure why, but they have them. So, we are seeing increasing power levels, more pressure on efficiency to make it – so that they can stay within the power budget allocated by energy efficiency regulations. Probably the most important is that they still have to meet very stringent standby requirements and the standby requirements is expected to get tighter over time. There is a proposal in Europe to reduce it from 500 milliwatts to 300 milliwatts. If that goes through, that puts tremendous pressure. Especially with the added IoT features, I think that'll put us in a very strong position with our InnoSwitch products.
Sounds good. Thank you for all the detail.
You're welcome, Tore.
Your next question comes from the line of David Williams from Drexel. Please go ahead.
Hey. Good afternoon, and thanks for taking the question, and congrats on the quarter. I wondered if you could kind of talk maybe or give us a little color around some of the recent Chinese issues we've seen, obviously, with tariffs, but more importantly maybe the ZTE ban and the potential for maybe Huawei. What kind of exposure do you have there and what could that impact be and, I guess, any concerns around it maybe that migrating beyond just those two guys and more broadly into the Chinese market as a whole?
Thanks, David. Yeah, let me talk about ZTE first. Our exposure to ZTE is very small. And we are actually looking at how the rules may apply to us. So, we don't have an answer on that, but I can tell you it's a pretty small impact, if we were to stop shipping. Huawei is a little bit different. We do have a significant business with Huawei. However, there is no ruling on Huawei, so until they have a ruling, it's – I don't want to prejudge what it is going to be. Beyond that, we have not seen any impact with the tariffs that have been put so far. We haven't seen any issues so far, but only time will tell how that's going to go. I'm sure there are a lot of other companies are also worried about this. We keep monitoring both the Huawei situation and the tariff situation to see whether it'll impact us.
Great. Thanks. And then, secondly, I want to ask maybe about ASP pressures and kind of the any erosion pushing there. Are you seeing anything I guess any magnitude of pricing that is greater than what you would typically expect?
Actually, we are seeing the opposite. There is a quite a significant shortage of passive components and also high-voltage transistors. And so, I think that the pricing pressure will be less. However, we do have a cost pressure, because the starting wafers, silicon wafers, the prices have gone up and it will start impacting us to some extent in Q3 and Q4. That'll have a slight negative impact on our gross margin.
We still don't know the exact amount. Maybe Sandeep can give you a little bit more guidance on that. But it's not just that, everybody is seeing a tightness in supply of starting wafers. But more important, there is a tremendous tightness in passive components and the transistors, which in some ways will help us, because we have invested in capacity. We don't have a capacity problem. We have plenty of capacity. And but we will have to pay more for our starting wafers to maintain our capacity. And, Sandeep?
Yeah. So, to add to what Balu mentioned on the margin, as you've seen, we have guided second quarter at about 52% for the non-GAAP, because of the mix swing. The mix will continue to be unfavorable as we make and have success in USB PD in Q3 and Q4. And added to that, we will get pressure from the raw material cost going up. So, we believe from the 52% non-GAAP in Q2, we will see a further impact downward of say about a 50 basis points in Q3, and a further 50 basis points in Q4, roughly speaking. And so over the year, I think give and take – we could average give and take somewhere around 51.5%.
And, David, just to emphasize, our customers are much more concerned about supply than price declines. I won't say there will be no price declines, it depends on the application, but I think it will be – the price declines this year will be far more subdued than it has been in the past.
Okay. And with that (23:28) allocation, were you still able to get the supply that you need?
We are not on allocation. If you noticed, we added quite a bit of capacity last year. We invested a lot of capital, which was the best thing we did, because if we had waited longer, we would have a hard time getting that capacity.
Right. Well, thanks so much for letting me ask questions, and for the answers, guys. Good luck on the quarter.
Thanks, David.
Your next question comes from the line of Christopher Rolland from Susquehanna. Please go ahead.
Hey, guys. This is Liz Pate calling in for Chris. Congratulations on a nice quarter and outlook. I just had a couple of questions. I realize the high-power transmission business in China tends to be lumpy, but you guys – is it still your expectation that that business comes back in the second half after a bit of a pause here?
Thank you for the compliment. We had a really strong year on HVDC last year. Our overall growth of the high power market was over 20%. We are not expecting another strong growth this year. I think it will grow, but probably in the single digits, and that's primarily because what you said, it's a very, what you call, a lumpy market, if you will. The growth comes in spurts. This year, they have delayed some of the installations. So, it's delayed to end of the year. So, I don't think this year is going to be, as I said, more than single-digit growth.
However, in the long term, we feel it's a really good market. It has a very large SAM. So, we think it's going to provide us growth in addition to all the other areas in high power, including wind power and also oil exploration. Oil exploration has come back this year, which has basically gone away for few years, thanks to very low oil prices. Now, that the oil prices have come up, people have started exploring for more oil, especially in the U.S., and we see that also as a driver.
Great. And just a follow-up on the high power side, can you talk about any traction you have in the auto market in high power?
Yes. Thank you for the question. We are seeing significant interest in our iDriver product which we introduced recently. This product covers 10 to 100 kilowatts – 100 to, say, 200 kilowatts, which is perfectly suited for cars. Cars typically range in the 80 kilowatt range and they particularly like our FluxLink isolation technology, which is much more robust than optocouplers which are currently being used. So, we are working with a number of automotive companies. We just finished qualification of that product for automotive market. So, we are now engaged, but as you know, it's a long design cycle, but we're very confident that we will get a very good share of that market as the electric vehicles take off in the next say three to four years.
Excellent. Thank you, and good luck.
Thanks.
Thank you.
Your next question comes from the line of Edgar Roesch from Sidoti. Please go ahead.
Good afternoon, and nice to see the business stabilize. I wanted to ask you on the consumer side, were you able to quantify at all how much the inventory overhang kind of aid into the potential growth that you reported for Q1?
It's hard to be specific – it did a little bit, but not as much as you can see, because the inventory levels didn't come back down. But if you remember what we had said, it would take a couple of quarters. And that's why we had said. But it did come down a bit, but it increased in some other segments. That's why you saw the overall increase in the channel by about a half week (27:45). What we are seeing is that because of the shortages of other components, we are finding that the inventory levels higher, because some – quite a few of these distributors provide jet locations, and they supply our product, but our product doesn't get pulled, because they've shortages of other. And that's why on the call, when we did last call, we had talked that would take a couple of quarters for this inventory to come down. But the sell-through on the consumer side was actually much stronger this quarter from the last quarter.
Yeah, having said all of that, we expect the consumer category to grow in Q2 and not as much as the communications category, because that's going to come back stronger after a weak Q1. But the consumer product will grow, because the air conditioning seasonally will be strongest in Q2, so we expect that to help us with the growth.
Thank you. And then looking at communications a bit more, setting aside the handsets for a second, could you just talk about things like routers and Wi-Fi for the home and also the telecom equipment and base stations? Have you seen some growth in that business?
So, first of all we are not in telecom base stations. That's much higher power than we actually make power supply devices for. However, we used to have a very strong position in residential Wi-Fi networking. And beginning of last year, we gradually moved away from that market, because it got very commoditized. And that has been a headwind throughout last year, and it is one of the big components that makes our communication segment, on a year-over-year basis, weaker in Q1 in addition to cellphones.
If you look at the total reduction in communications, it looks more than cell phone end market slowdown and that's because of the residential networking, which is basically going away. The good news is most of that has gone away. So we'll have far less headwind going forward. So, 80% of our communications revenue now is cellphones. And we have significant exposure to China. About two-thirds of that comes from China, and that's the reason you see the decline we saw in Q1, which is kind of amplified to some extent by the networking area also.
Thanks for that reminder. And I think the comms equipment in the residentials you mentioned, I think that was a June quarter of last year event, if I remember correctly. Is that right?
Yeah. It's somewhere at the end of the first quarter. At the end of the first quarter is when we decided not to take new projects. And then, it gradually started decreasing in Q2, Q3 and Q4, and further in Q1.
Okay. Thanks. And then, one more on the communications side. Balu, you mentioned the pent-up demand for more functionality in cellphone chargers. Is that coming specifically from the OEMs in that space or is there interest in sort of an aftermarket? I guess what I'm getting at is, will the chargers that ship in the box with the new phone incorporate this functionality or it will be sort of more of an aftermarket, for lack of a better term, solution? Thanks.
That's a great question. We talk about that a lot. So, I would say that the most of the OEMs in cellphones plan to offer USB PD with their high-end phones. The USB PD chargers are quite a bit more expensive. So, it's unlikely they will offer in a broad range of products in the near term. Obviously, in the long term, that will change, the costs will come down and also the customers will not accept slow charging as they get used to faster charging. And that's the reason why I think the ramp will be slower with the USB PD, but it will be a huge growth driver for us for many years to come.
As far as, what you call, auxiliary power supplies that are sold aftermarket, I think there is a significant business there. And the reason is, once you go to USB PD on the phone, which by the way many phones already have capability on the phone side, but they don't have the charger, because the charger specifications were delayed. So, it is very possible that many consumers will be more than happy to pay the extra price to get an USB PD charger, just so that they can not only charge the phone faster, but also have a single charger for their phones, their tablet and for the notebook.
In fact that we're talking about it, Sandeep was complaining that he has to carry in so many different chargers. And he was saying, can you build one for me so that I can take one charger with me? So, I think that's going to be a big driver. It's very possible that the aftermarket will actually start growing faster initially. So, we are working with number of aftermarket customers who are building this USB PD chargers.
Now, having said that, some of the OEMs are somewhat concerned about aftermarket products being used in the phones, because you have let's say $500 and $1,000 phone, and they are worried that somebody will buy a cheap charger on a street in China and plug it in and blow the phone and complain or blame it on the phone. So, there has been some talk about putting encryption, so that you can only use a charger made by the OEM – the phone OEM, so that there is protection built in, which is even better news for us because you just can't use it interchangeably between different OEMs, but it still gives you the convenience of using the same charger between tablets, notebooks and phones made by the same OEM. So, there are a lot of moving parts right now. What is very clear is that the world is moving towards USB PD. The real question is how fast it will ramp and that is yet to be seen. And my gut feeling is, it is going to ramp slowly and steadily over the next few years.
Thanks. That's very helpful. And put me down for an order that Sandeep charger model, when it's available.
There are no further questions at this time. I turn the call back over to you.
All right. Thank you. There must be another conference call going on in the semiconductor industry. All right. Thanks, everyone, for listening. There'll be a replay of this call available on our website, investors.power.com. Thanks again and good afternoon.
This concludes today's conference call. You may now disconnect.