DRV8848_16 Datasheet, PDF (9/27 Pages) Texas Instruments – Dual H-Bridge Motor Driver

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7.2 Functional Block Diagram
DRV8848
SLLSEL7A – OCTOBER 2014 – REVISED NOVEMBER 2015
VM
VM
0.1 µF
10 µF
VREF
AIN1
AIN2
BIN1
BIN2
VINT _nSLEEP
nFAULT
VM
Internal Ref and
Regs
VINT
VINT
VM
Gate
Drive
and
VM
OCP
ISEN
Logic VREF
VM
Over-
Temp
Gate
Drive
and
VM
OCP
VINT
2.2 µF
AOUT1
DCM
AOUT2
AISEN
optional
BOUT1
BOUT2
DCM
Step
Motor
ISEN
VREF
BISEN
optional
PPAD
GND
7.3 Feature Description
7.3.1 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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