September 17, 2012 | FINAL | V1.11

4

IR3537

CHL8510

12V High Performance Gate Driver

TYPICAL APPLICATIONS BLOCK DIAGRAMS

+3.3V

V_CPU

3

28

36

4

5

7

8

16

11

25

CHL8316

12

17

18

19

20

21

22

23

24

9

30

31

34

39

32

33

VINSEN

PWM4

PWM5

PWM3

PWM 2

PWM1

ISEN5

VID5

VID6

VID1

VID3

VID4

VID2

VID0

VID7

IMON

VR_READY

VCPU

PSI#

VCC

RRES

EN

V18A

VRTN

IRTN3

ISEN4

2

1

47

IRTN1

RCSP

IRTN2

RCSM

ISEN3

ISEN2

ISEN1

IRTN4

+12V

From

System

L

O

A

D

VRTN

R_IMON

C_IMON

RCS

CCS

45

46

43

44

41

42

IRTN5

PWM6

ISEN6

IRTN6

40

35

37

38

26

VR_HOT

TSEN

6 SADDR/

GAMER_OFF

13

SALERT#

+3.3V

14

15

SCL

SDA

10

GND

29

NC

48

HVCC

LO_GATE

HI_GATE

Vcc

GND

PWM

LVCC

12V

BOOT

SWITCH

V_VGD

CHL8510

12V

V_VGD

12V

V_VGD

12V

V_VGD

12V

V_VGD

12V

V_VGD

12V

V_VGD

27

VAR_GATE

To

CPU

To

CPU

Optional Variable

Gate Drive Circuit

MODE

HVCC

LO_GATE

HI_GATE

Vcc

GND

PWM

LVCC

BOOT

SWITCH

MODE

HVCC

LO_GATE

HI_GATE

Vcc

GND

PWM

LVCC

BOOT

SWITCH

MODE

HVCC

LO_GATE

HI_GATE

Vcc

GND

PWM

LVCC

BOOT

SWITCH

MODE

HVCC

LO_GATE

HI_GATE

Vcc

GND

PWM

LVCC

BOOT

SWITCH

MODE

HVCC

LO_GATE

HI_GATE

Vcc

GND

PWM

LVCC

BOOT

SWITCH

MODE

HVCC

LO_GATE

HI_GATE

Vcc

GND

PWM

LVCC

BOOT

SWITCH

MODE

CHL8510

CHL8510

CHL8510

CHL8510

CHL8510

CHL8510

Figure 4: 6-Phase Voltage Regulator using IR3537/CHL8510 MOSFET drivers & CHL8316 Controller