Thank you, Paul. It's great to see the positive results of the business transformation that we began 4 years ago. The transformation included strategic objectives that are visibly paying off. First, we focused on extending market leadership through targeted portfolio expansion. You will hear today about increased traction in xEV, ADAS, factory automation and data center applications.
Second, we have been developing a more nimble manufacturing strategy to improve the operating model. The benefits of these actions are evident in the strong fiscal Q2 performance. Along with our top line recovery, we have seen continued momentum in our key sales metrics fiscal year-to-date with design wins up 20%. The vast majority of these design wins are for new business with a concentration in our target high-growth applications. Some of the notable design win activity in the quarter included significant wins at a major Tier 1 for current sensors and xEV inverters. We also secured wins for motor drivers and white goods programs in Korea and China, which we expect will ramp in the near term.
As you know, we are the market leader in magnetic sensor ICs. We are focused primarily on the high-value opportunities in the Auto and Industrial markets. Magnetic sensor IC revenue represented 63% of revenue in fiscal Q2, growing 17% sequentially after the trough created by the COVID-19 pandemic. Our growth was driven by the recovery in Automotive, particularly for speed and position sensors. Power ICs were up 21% sequentially, representing 37% of revenue in fiscal Q2. We believe this growth was due in part to expanding content in systems where we already have an incumbent position with our sensors.
And on that note, we recently announced our latest family of power products, the industry's largest portfolio of 80-volt motor drivers for advanced 48-volt automotive systems, like battery electric and hybrid electric vehicles. These products provide world-class safety diagnostics in ultra-small packages, enabling smaller, more efficient designs. We already have great engagement on these products with Tier 1 customers globally, and we are leveraging our high-voltage power expertise beyond Automotive to Industrial applications from 48-volt power inverters to e-bikes.
Now let's take a closer look at our end markets, starting with Automotive. Automotive represented 65% of our total revenue, down from historical levels in the low to mid-70s range. Q2 revenue grew 17% sequentially. Looking back to Q1, our Automotive revenue did not decline as sharply as the overall automotive market due, in part, to a slow responding customer supply chain and a global diversification. This softened the impact of the production volume decline in our Automotive sales in the first quarter, but also created some pockets of inventory at our customers that we believe was subsequently depleted during Q2. We do expect that inventories have balanced out and are at reasonable levels. Our auto revenue growth reflects a market recovery in our ICE, xEV, ADAS and safety, comfort and convenience businesses, which all grew double digits in the second quarter.
Our revenue in xEV was up more than 35% sequentially and nearly 100% year-over-year, which speaks to the momentum in the space. We win when cars electrify, and we're seeing our content per vehicle increase rapidly from battery chargers and inverters to battery cooling for xEV. Beyond those types of electrified powertrain applications, we are growing our xEV related content with a quiet motion fan -- family of fan drivers, power products and systems like in-cabin heating and cooling, which now have to be quieter, more efficient and run off the battery. We currently have programs ramping across this broad range of applications in xEV around the world and we expect to see double-digit sequential growth again for the coming quarter.
Another space where we are seeing our content opportunity increase is ADAS. In Q2, demand recovered in ADAS applications, and our revenue was up 12% sequentially. We expect to see strong double-digit growth in Q3. With our latest new program wins now ramping, we're increasing our overall content for our power products alongside our market-leading sensors. For example, one of our latest program wins for breaking in Korea, includes 4 of our magnetic sensor ICs and 2 power devices.
Now I'll cover our Industrial business for Q2. This business consists of some of our strategic focus areas outside of Automotive, such as Industry 4.0, renewable energy and infrastructure, including data center. In Q2, our Industrial business was up 6% sequentially and up 20% year-over-year as the business continues to transition to new growth markets. A broad-based category traditionally serviced through the distribution channel grew 10% sequentially as factories reopened and production accelerated.
Within our Industry 4.0 category, which makes up 7% of our revenue, building and factory automation was up double digits sequentially. Industry 4.0 continues to be a major focus area for us as we align our technologies with increasing applications demand for precision, efficiency and reliability. We've also been strategic about applying our power technology to take advantage of our disruptive trends in growth markets such as data centers converting to 48-volt and our customers are taking notice of that. We now count most of the hyperscale data center providers as our customers. This is an area that continues to offer diversification and augment growth for us.
In Q2, data center revenue was up in the high single digits sequentially, reaching another quarterly record. The outlook for our Industrial business remains strong. For Q3, we expect to see double-digit growth in our broad Industrial business, offset somewhat by the build cycle of data centers, which are expected to be flat to down sequentially.
Finally, we had a strong quarter in our other business, which represents our nonfocused markets, including white goods, printers and peripherals. Other was $25.5 million in the quarter due, in part, to a COVID-related search and demand for our products, supporting a variety of white goods and printers. We expect this business to remain around this run rate in the near term.
Now for the fiscal Q3 guidance. Reflecting the late timing of the Q2 earnings announcement, we are providing a narrower than typical range with Automotive revenue growth in the high teens sequentially and Industrial revenue growth in the mid-single digits sequentially. We expect revenue to be in the range of $147 million to $151 million. Operating expenses are expected to be up modestly, and we expect non-GAAP gross margin to be in the range of 50% to 51%. We expect non-GAAP earnings per share to be in the range of $0.11 to $0.12. Given the proximity to our recently completed IPO, we will not be taking any questions today.
I want to leave you with our confidence in the recovery cycle of our business based on the strength of our bookings, giving us optimism for the future. Katie?