Texas Instruments DRV8802 Evaluation Module DRV8802EVM DRV8802EVM 数据表
产品代码
DRV8802EVM
AOUT1
AOUT2
BOUT1
BOUT2
VM
VM
AISEN
BISEN
APHASE
Pre-
drive
Pre-
drive
VCP , VGD
VM
VM
+
-
PWM
VCP , VGD
+
-
PWM
AVREF
OCP
OCP
OCP
OCP
DECAY
BENBL
DAC
DAC
A = 5
A = 5
BI[1:0]
2
AENBL
BPHASE
AI[1:0]
2
BVREF
DCM
DCM
SLVSAM9C – APRIL 2011 – REVISED AUGUST 2013
FUNCTIONAL DESCRIPTION
PWM Motor Drivers
The DRV8802 contains two H-bridge motor drivers with current-control PWM circuitry. A block diagram of the
motor control circuitry is shown in
motor control circuitry is shown in
Figure 1. Motor Control Circuitry
Note that there are multiple VM pins. All VM pins must be connected together to the motor supply voltage.
Copyright © 2011–2013, Texas Instruments Incorporated
7
Product Folder Links: