DRV8302_16 Datasheet, PDF (12/32 Pages) Texas Instruments – Three Phase Gate Driver

DRV8302
SLES267C – AUGUST 2011 – REVISED MARCH 2016
7.2 Function Block Diagram
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PVDD2
DRV8302
EN_BUCK
PWRGD
COMP
SS_TR
RT_CLK
DVDD
AGND _AVDD
AGND
AGND
nOCTW
nFAULT
M_PWM
DVDD
M_OC
GAIN
OC_ADJ
BIAS
EN_GATE
INH_A
INL_A
INH_B
INL_B
INH_C
INL_C
DTC
REF
GND
SO1
DC_CAL
SO2
Buck Converter
PVDD2
VSENSE
BST_BK
PH
DVDD
AVDD
REF
DVDD
DVDD
LDO
AVDD
AVDD
LDO
Trickle Charge
Trickle
Charge
GVDD
GVDD
Charge
Pump
Regulator
PVDD1
CP1
CP2
PVDD1
Device
Configurations
and Fault
Reporting
GVDD Trickle Charge
PVDD1
HS VDS
HS
Sense
LS VDS
Sense
GVDD
LS
GVDD Trickle Charge
PVDD1
HS VDS
HS
Sense
LS VDS
Sense
GVDD
LS
BST_A
GH_A
SH_A
GL_A
SL_A
BST_B
GH_B
SH_B
GL_B
SL_B
Gate Driver
Control and
Timing Logic
GVDD Trickle Charge
PVDD1
HS VDS
HS
Sense
LS VDS
Sense
GVDD
LS
BST_C
GH_C
SH_C
GL_C
SL_C
REF
Offset
½ REF
SN1
Current Sense
Amplifier 1
SP1
REF
Offset
½ REF
SN2
Current Sense
Amplifier 2
SP2
VCC
PVDD1
PVDD1
PVDD1
GND
(PWR_PAD)
GND
AGND GND PGND
PGND
12
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