Schematic for the STK554U392AGEVB Evaluation Board Evaluation Board 0.1uF×3 VDD VSS 0.1uF 47uF/50V×3 + - TH + - 220uF/35V LIN3 LIN2 LIN1 ITRIP HIN3 VS1, U HIN2 VB1 W- VB2 + V- 16 17 18 19 20 21 22 23 24 25 26 27 28 29 HIN1 13 U- 9 10 FLTEN 6 VS2, V VB3 5 + - 2 + - 1 VS3, W STK554U3xx series 10kΩ VSS Vext 10kΩ U VDD U- V V- W WTH ITRIP 470uF/450V×2 - + - + - 1kΩ FLTEN + 2.2uF/630V Shunt resistor LIN3 LIN2 LIN1 HIN3 HIN2 HIN1 100pF×6 3.3kΩ×6 1/3/2014 -1- 100Ω×6 www.onsemi.com