GaN-on-Si in Power Conversion Alex Lidow, CEO October 2016

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1 The egan FET Journey Continues GaN-on-Si in Power Alex Lidow, CEO October 2016 EPC - The leader in GaN Technology 1

2 Agenda How far have we come? What paths are we taking? Where is the leverage for integration? The road ahead. EPC - The leader in GaN Technology 2

3 Fast Moving Technology Gen 1,2,3,4 FETs and ICs V V Higher Scale Integrated Circuits Generation 5 Smaller, Faster, Less Cost EPC - The leader in GaN Technology 3

4 Gen 5: ½ size and 2X performance EPC2010C 25 mohm EPC mohm EPC2001C 7 mohm EPC mohm 6.06 mm mm mm mm2 Coming October 31, 2016 EPC - The leader in GaN Technology 4

5 79% Efficient 13.8 kvac Distribution Transformers Uninterruptable Power Supplies (UPS) AC/DC Digital Chip 98% 98% 97% 98% 98% 95% 85% 93% 150 W 208 VAC 208 VAC 400 VDC 48 VDC 12 VDC 1 VDC 100 W 150 W 100 W Non Isolated Point of Load 12 V 1 V Buck Converter EPC - The leader in GaN Technology 5

6 First Generation egan FET Efficiency (%) GaN Circa Output Current (A) egan is a registered trademark of Efficient Power Corporation V IN =12 V, V OUT =1.2 V, f sw =1 MHz EPC - The leader in GaN Technology 6

7 Improved Layout Efficiency (%) GaN Circa 2012 GaN Circa Output Current (A) V IN =12 V, V OUT =1.2 V, f sw =1 MHz EPC - The leader in GaN Technology 7

8 Fourth Generation egan FET Efficiency (%) GaN Circa 2012 GaN Circa Output Current (A) GaN Circa 2014 V IN =12 V, V OUT =1.2 V, f sw =1 MHz EPC - The leader in GaN Technology 8

9 Monolithic Half Bridge Efficiency (%) GaN Circa 2012 GaN Circa Output Current (A) GaN Circa 2015 GaN Circa 2014 V IN =12 V, V OUT =1.2 V, f sw =1 MHz EPC - The leader in GaN Technology 9

10 Silicon IBC and GaN POL 88 Efficiency (%) % Traditional Two Stage Isolated IBA Si/GaN Output Power (W) EPC - The leader in GaN Technology 10

11 egan FETs and ICs 13.8 kvac Distribution Transformers Uninterruptable Power Supplies (UPS) AC/DC Digital Chip 98% 98% 97% 98% 98% 96% 95% 90% 85% 93% 150 W 140 W 208 VAC 208 VAC 400 VDC 48 VDC 12 VDC 1 VDC 85% Efficient 100 W 100 W 48 V 12 V 1 V EPC - The leader in GaN Technology 11

12 egan FETs and ICs 88 Efficiency (%) GaN/GaN Traditional Two Stage Isolated IBA Si/GaN Output Power (W) EPC - The leader in GaN Technology 12

13 Eliminate 12 V Bus 13.8 kvac Distribution Transformers Uninterruptable Power Supplies (UPS) AC/DC Digital Chip 98% 98% 97% 98% 98% 96% 95% 90% 85% 93% 150 W 208 VAC 208 VAC 400 VDC 48 VDC 12 VDC 1 VDC 100 W 140 W 100 W One Stage Non Isolated Point of Load 48 V 1 V Buck Converter EPC - The leader in GaN Technology 13

14 Eliminate 12 V Bus 13.8 kvac Distribution Transformers Uninterruptable Power Supplies (UPS) AC/DC Digital Chip 98% 97% 98% 98% 96% 95% 98% 90% 85% 93% 150 W 208 VAC 208 VAC 400 VDC 48 VDC 12 VDC 1 VDC One Stage 100 W 140 W 100 W Non Isolated Point of Load 48 V 1 V Buck Converter Monolithic Half Bridge EPC - The leader in GaN Technology 14

15 Efficiency (%) Single Stage Buck Converter with Monolithic Half Bridge Traditional Two Stage Isolated IBA Performance Gap GaN/GaN Output Power (W) Si/GaN EPC - The leader in GaN Technology 15

16 Efficiency (%) Single Stage Buck Converter with Monolithic Half Bridge Traditional Two Stage Isolated IBA Output Power (W) Improved FETs GaN/GaN Si/GaN EPC - The leader in GaN Technology 16

17 GaN Integrated Circuit Roadmap ü Monolithic Half Bridge ü Half Bridge plus Bootstrap Integrated FET and low side driver Integrated half bridge with level shift and drivers Monolithic Buck IC EPC - The leader in GaN Technology 17

18 GaN Integrated Circuit Roadmap ü Monolithic Half Bridge ü Half Bridge plus Bootstrap Integrated FET and low side driver Integrated half bridge with level shift and drivers Monolithic Buck IC EPC - The leader in GaN Technology 18

19 First Step - Integrated FET and Low Side Driver EPC - The leader in GaN Technology 19

20 Monolithic Gate Driver and FET EPC - The leader in GaN Technology 20

21 GaN Integrated Circuit Roadmap ü Monolithic Half Bridge ü Half Bridge plus Bootstrap Integrated FET and low side driver Integrated half bridge with level shift and drivers Monolithic Buck IC EPC - The leader in GaN Technology 21

22 88 Efficiency (%) Monolithic IC Single Stage Buck Converter Improved FETs GaN Traditional Two Stage Isolated IBA Si Output Power (W) EPC - The leader in GaN Technology 22

23 13.8 kvac Distribution Transformers Uninterruptable Power Supplies (UPS) AC/DC Digital Chip 98% 98% 97% 98% 98% 95% 85% 93% 150 W 150 W 208 VAC 208 VAC 400 VDC 48 VDC 12 VDC 1 VDC 79% Efficient 100 W 100 W EPC - The leader in GaN Technology 23

24 13.8 kvac Distribution Transformers Uninterruptable Power Supplies (UPS) AC/DC Digital Chip 98% 97% 98% 98% 96% 95% 98% 90% 85% 93% 150 W 140 W 208 VAC 208 VAC 400 VDC 48 VDC 12 VDC 1 VDC 85% Efficient 100 W 100 W 48 V 12 V 1 V EPC - The leader in GaN Technology 24

25 egan Integrated Circuit 13.8 kvac Distribution Transformers Uninterruptable Power Supplies (UPS) AC/DC Digital Chip 98% 97% 98% 98% 96% 95% 98% 90% 85% 93% 150 W W 208 VAC 208 VAC 400 VDC 48 VDC 12 VDC 1 VDC 100 W 100 W 88% Efficient EPC - The leader in GaN Technology 25

26 egan Integration Roadmap Discrete Monolithic Half-Bridge IC Wireless Charging IC LiDAR IC Power SoC Envelope Tracking IC EPC - The leader in GaN Technology 26

27 Summary GaN integration creates a lot of performance leverage. The first steps in integration involve reducing parasitic inductance and integration of drive circuitry. The second stage involves including level shift and current sense. The third stage will include control circuitry in both analog and digital. EPC - The leader in GaN Technology 27

GaN-on-Si in Power Conversion Alex Lidow, CEO October 2016

GaN-on-Si in Power Conversion Alex Lidow, CEO October 2016 The egan FET Journey Continues GaN-on-Si in Power Alex Lidow, CEO October 2016 EPC - The leader in GaN Technology www.epc-co.com 1 Agenda How far have we come? What paths are we taking? Where is the leverage

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