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DRV8885EVM 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
开发套件
描述:
TEXAS INSTRUMENTS DRV8885EVM 评估电路板, DRV8885, 步进电机驱动器
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P3P4P5P27Hot
典型应用电路图在P15P45P46
原理图在P13P23
封装尺寸在P54P56P57
标记信息在P54
封装信息在P54P55P56P57
技术参数、封装参数在P6
电气规格在P8P9
导航目录
DRV8885EVM数据手册
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若手册格式错乱，请下载阅览PDF原文件
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14
15
16
17
40
39
38
35
34
26
27
28
29
30
31
32
33
21
20
19
18
GND
CLKIN
SCLK
SCS
VSW
FGFB
FGINN_TACH
CP2
CP1
V
W
VLSG
WHSG
DIR
ENABLE
VREG
SDATAO
FGOUT
FAULTn
U
UHSG
VCP
GND
LOCKn
RESET
UHP
ISEN
WHN
BRAKE
VINT
ULSG
FGINP
TBD
SMODE
SDATAI
24
22
UHN
VHN
36
VHSG
12
VM
25
WHP
23
VHP
37
WLSG
3
DRV8308
www.ti.com.cn
ZHCSC39A –FEBRUARY 2014–REVISED OCTOBER 2014
Copyright © 2014, Texas Instruments Incorporated
(1) I = input, O = output, OD = open-drain output, I/O = input/output
6 Pin Configurations and Functions
40 RHA (VQFN) PACKAGE
(TOP VIEW)
Pin Functions
PIN
I/O
(1)
DESCRIPTION EXTERNAL COMPONENTS OR CONNECTIONS
NAME NUMBER
POWER AND GROUND
CP1 30 PWR
Charge pump flying capacitor Connect a 0.1-μF 35-V capacitor between CP1 and CP2
CP2 29 PWR
GND 26, PPAD PWR
Ground reference. Terminal 26 and the
Power Pad are internally connected.
Connect to board GND
VCP 28 PWR Charge pump storage capacitor Connect a 1-μF 35-V ceramic capacitor to VM
VINT 25 PWR
Internal 1.8-V core voltage regulator
bypass
Bypass to GND with a 1-μF 6.3-V ceramic capacitor
VM 27 PWR Motor supply voltage
Connect to motor supply voltage.
Bypass to GND with a 0.1-μF ceramic capacitor, plus a large
electrolytic capacitor (47 μF or larger is recommended), with a
voltage rating of 1.5× to 2.5× VM.
VREG 24 PWR
5-V regulator output. Active when
ENABLE is active.
Bypass to GND with a 0.1-μF 10-V ceramic capacitor. Can
provide 5-V power to Hall sensors.
VSW 7 PWR
Switched VM power output. When
ENABLE is active, VM is applied to this
terminal.
Can be used for powering Hall elements, along with added
series resistance.
CONTROL
BRAKE 20 I
Causes motor to brake. Polarity is
programmable. Internal pulldown
resistor.
CLKIN 19 I
The clock input, used in Clock
Frequency Mode and Clock PWM
Mode. Internal pulldown resistor.
DIR 21 I
Sets motor rotation direction. Polarity is
programmable. Internal pulldown
resistor.
ENABLE 22 I
Enables and disables motor. Polarity is
programmable. Internal pulldown
resistor.
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