33932 Datasheet, PDF (2/21 Pages) Freescale Semiconductor, Inc – 5.0 A Throttle Control H-Bridge

INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
VPWRA
LOGIC SUPPLY
VDD
CCPA
IN1
IN2
EN/D2
D1
SFA
FBA
AGNDA
VCP _CHARGE
PUMP
GATE DRIVE
AND
PROTECTION
LOGIC
TO GATES
HS1
LS1
HS2
LS2
VSENSE
ILIM PWM
LOGIC SUPPLY
VDD
HS1
LS1
HS2
OUT1
OUT2
LS2
PGND
CURRENT MIRROR
AND
CONSTANT OFF-TIME
PWM CURRENT REGULATOR
H-Bridge A
H-Bridge B
PGNDA
VPWRB
CCPB
IN3
IN4
EN/D4
D3
SFB
FBB
VCP _CHARGE
PUMP
GATE DRIVE
AND
PROTECTION
LOGIC
TO GATES
HS1
LS1
HS2
LS2
VSENSE
ILIM PWM
HS1
LS1
HS2
OUT3
OUT4
LS2
PGND
CURRENT MIRROR
AND
CONSTANT OFF-TIME
PWM CURRENT REGULATOR
AGNDB
PGNDB
33932
2
Figure 2. 33932 Simplified Internal Block Diagram
Analog Integrated Circuit Device Data
Freescale Semiconductor