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DRV8818_12 Datasheet(数据表) 7 Page - Texas Instruments

部件型号  DRV8818
说明  STEPPER MOTOR CONTROLLER IC
下载  20 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
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DRV8818 Datasheet(HTML) 7 Page - Texas Instruments

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 7 page
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AOUT1
AOUT 2
BOUT 1
BOUT2
Step
Motor
VMA
VMB
ISENA
ISENB
VREF
Pre-
drive
Pre-
drive
VCP
VM
VM
+
-
PWM
VCP
+
-
PWM
DAC
DAC
A=8
A=8
Control / Indexer
Logic
DECAY
RCB
RCA
VGD
VGD
+
+
-
-
DRV8818
www.ti.com
SLVSAX9A
– SEPTEMBER 2011 – REVISED FEBRUARY 2012
FUNCTIONAL DESCRIPTION
PWM H-Bridge Drivers
DRV8818 contains two H-bridge motor drivers with current-control PWM circuitry, and a microstepping indexer. A
block diagram of the motor control circuitry is shown below.
Figure 1. Motor Control Circuitry
Copyright
© 2011–2012, Texas Instruments Incorporated
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Product Folder Link(s): DRV8818




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