DRV8848_15 Datasheet, PDF (9/28 Pages) Texas Instruments – DRV8848 Dual H-Bridge Motor Driver

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8.2 Functional Block Diagram
VM
VM
0.1 µF
10 µF
VREF
AIN1
AIN2
VM
Internal Ref and
Regs
VINT
VINT
VM
Gate
Drive
and
VM
OCP
BIN1
BIN2
VINT _nSLEEP
nFAULT
Over-
Temp
ISEN
Logic VREF
VM
Gate
Drive
and
VM
OCP
ISEN
VREF
PPAD
GND
DRV8848
SLLSEL7 – OCTOBER 2014
VINT
2.2 µF
AOUT1
DCM
AOUT2
AISEN
optional
BOUT1
DCM
BOUT2
BISEN
optional
Step
Motor
8.3 Feature Description
8.3.1 PWM Motor Drivers
DRV8848 contains two identical H-bridge motor drivers with current-control PWM circuitry. Figure 6 shows a
block diagram of the circuitry.
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