2

Pin description and connection diagram

1

2

3

4

5

6

7

8

9

10

11

12

13 14

15

24 23

22

21

20

19

18

17

16

31

30 29 28 27 26 25

GND

SENSE

OUT

EP1

EP2

EP3

SENSE

SENSE

SENSE

SENSE

SENSE

VS

VS

VS

VS

VS

GH

OUTb

BOOT

PGND

GL

PVCC

2.1

Pin list

Pin Number

Pin Name

Type

Function

15, 16, 17, 18, 19

VS

Power Supply

High voltage supply (high-side GaN Drain)

12, 13, 14, EP3

OUT

Power Output

Half-bridge output

4, 5, 6, 7, 8, 9, 10, 11, EP2 SENSE

Power Supply

Half-bridge sense (low-side GaN Source)

22

BOOT

Power Supply

Gate driver high-side supply voltage

21

OUTb

Power Supply

Gate driver high-side supply voltage, used only for Bootstrap

capacitor connection. Internally connected to OUT.

27

VCC

Power Supply

Logic supply voltage

1

PVCC

Power Supply

Gate driver low-side supply voltage

MASTERGAN4

Pin description and connection diagram

DB4419 - Rev 1

page 3/14