Emily Yang
Analyst · Longbow Research
Thank you, Brett, and good afternoon. As Dr. Lu and Brett highlighted, second quarter revenue grew 6.5% quarter-over-quarter and 5.9% year-over-year as we continue to reach new records across our business and gain increasing market shares. Looking more closely at second quarter revenue, point of sales revenue was up, driven by the strong demand recovery in Asia. Distributor inventory in terms of lease was flat in the second quarter and remains within our normal range of 11 to 14 weeks.
Looking at the global sales in the second quarter, Asia represented 74% of revenue; Europe, 14% and North America, 12%. In terms of our end markets, industrial was once again our largest representative end market at 29% of revenue; communications, 23%; consumer, 22%; computing, 16% and automotive 10% of revenue. During the same period in 2018, industrial was 27%; communications was 23%; consumer was 25%; computing was 16% and automotive was 9%.
Now, let me review the end markets in greater detail. Start with automotive market, we achieved another quarter of record revenue as we continue to benefit from past design win activity and expanded customer content. As I have discussed in the past, Diodes has been focused on strategically deploying a total solution sales approach that leverage our broadened product portfolio, which has been a key contributor to our consistent share gain and growth in this market. From a product perspective, we have solid revenue growth in our switching diodes, Zener diodes, hall sensor, MOSFETs, LDOs and proprietary SBR product family. These products are targeted at a variety of applications, including battery-managed system, advanced driving assistance system or ADAS, acoustic domain controllers, airbag control, lighting, body control, infotainment display and gearshift level indicators.
During the quarter, we released a number of new automotive-grade products, including real-time clock, interface larger level shifters and hall sensors. We saw design wins in brushless DC motor, water pump, power window, electric horns and infotainment. Wireless chargers for portable equipment like mobile phones are becoming a popular feature of vehicles. Our low-voltage gate driver fully AECQ-Qualified is designed into several automotive modules. We also continue to see adoption of in the automotive LED lighting segments, especially in front side, rear side and interior lighting, where we are winning designs for our LED drivers with a number of automotive customers.
With a record increase of electronics in today's highly connected cars, robust ESD protection is becoming increasingly more important. We are seeing excellent design win momentum in the connected driving applications for our protection products in applications such as ADAS, telematics and infotainment. Similar to automotive market, we also continue to set new record revenue in industrial end market as well, growing 13.7% year-over-year.
Together with automotive, these 2 end market represented 39% of total revenue. We are gaining increasing momentum in smart connected lighting and commercial spotlighting applications for our SGT MOS (sic) [ MOSFET ] technology and LED drivers. Drones and laser scanner are also driving growth in the industrial end market for our Zener diodes and also continue to secure more design wins with DC fan applications for regular transistors, gate drivers and bipolar transistors. With a record adoption of high-speed interface across multiple end applications in the IoT market space, ESD protection is getting more important for data links as well.
We are seeing multiple design wins for our data line platform, which offer best-in-class ESD clamping voltage performance, while [ minisizing ] capacitance loading on the data line. Also during the quarter, we added new product in smaller package with DC-DC converter that are suitable for home applications, power tools and other industrial applications. Our newly released wide-in LDOs are gaining strong momentum in this market, especially for emitters and detector applications as well as DC-DC buck converters in solar inverter applications and high-voltage hall sensor in power tools.
Turning to consumer market, Diodes protection product continue to gain traction in all type of panel applications. Our new miniature super high surge performance protector product has been designed into earphones, wearables, portable devices, TVs and smart speakers. We also saw significant revenue growth for BJT product, driven by TV and monitor design wins. We also secured increasing design wins for our standard recovery rectifier, low-voltage hall sensors and TVS products in large panel TV, cloud-based cameras, robotic vacuum and lawn mover. While switching diode has solid growth in white goods home appliances, our Zener diode were also designed into smart thermostat as well as power sound system.
Diodes also continued to gain strong momentum in quick charger and direct charger application with our USB-powered delivery solutions, which help reduce the charging time of batteries. We also continue to gain increasing traction in virtual reality applications where our newly released and first-in-the-market integrated high-speed MUX for USB 3.1 and USB 2.0 are seeing new design wins. In the communication market, the traction from 3G to 4G and then 4G to 5G has become the major trend to meet the requirement of significant speed upgrades and large amount of bandwidth.
Our products are well aligned to this trend with our clock buffer solutions currently being designed into 5G base station. This product are used as critical sampling clock for the baseband unit and remote radio unit. Diodes diverse clock portfolio and sub-rate jitter performance are the key technical factor for this applications.
In addition, we see tractions in 5G application for discrete power management and connectivity product, including USB ReDrivers and switches, and are also gaining traction in other communication applications such as new voice over IP phones, telecom power product as well as data network and gateways. Also in the communication market, mobile phone and portfolio application continue to grow growth for our protection and power switch product.
Our gate drivers have been successfully designed into latest wireless charging transmitter module, while our SBR and Schottky product continue to gain increasing penetration in IoT, mobile and smartphone market by offering product with a single profile and compact dimensions. Design wins are also being achieved with high variety bit rate product for applications such as PoE, server power and data centers.
Lastly, in the computer market, revenue increased 13.5% sequentially as a result of increasing traction for our Pericom product family. Power density and efficiency are fueling the development of the hardware evolution, and Diodes is actively engaged in this market with NLDMOS and DC-DC power conversion and ultra-low ROM pMOS for low switch for battery management in computing application.
During the quarter, we saw strong revenue growth for our standard recovery rectifier and synchronous rectifier functional array product in server power and fan applications. Along with this trend we also saw growth for our power switch lightweight LDO in notebooks and high current LDOs in server applications.
Additionally, our protection product along with timing, signal integrity, USB Type-C switches, ReDrivers, charging and power management product are seeing significant activity in notebooks, tablets and PC applications. Further, our focus and momentum in the clock computing segment continues as our new products for timing, signal integrity and switching are being designed into server and data center applications.
In summary, our achievement of record result in the second quarter underscore Diodes' solid positioning across our global customer base as well as the benefit from our past design win activities and new product initiatives. Additionally, we continue to gain increasing customers with our expanded product portfolio, including our Pericom product family. Our consistent performance continues to set Diodes apart, especially during the current market environment. We look forward to providing our continuous progress next quarter.
With that, we now open the floor to questions. Operator?