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參數(shù)資料
| 型號(hào)： | TPIC0108BDWPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, PDSO20 |
| 封裝： | PLASTIC, SOP-20 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大小： | 289K |
| 代理商： | TPIC0108BDWPR |
TPIC0108B
PWM CONTROL INTELLIGENT HBRIDGE
SLIS068A NOVEMBER1998 REVISED APRIL 2002
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Low Quiescent Supply Current of 20 A
D Optimized for Low-Power/Battery-Operated
Applications
D Two Input Control Lines for Reduced
Microcontroller Overhead
D Internal Current Shutdown of 5 A
D 40 V Load Dump Rating
D Integrated Fault Protection and Diagnostics
D CMOS Compatible Schmitt Trigger Inputs
for High Noise Immunity
description
The TPIC0108B is a PWM control intelligent H-bridge designed specifically for dc motor applications. The
device provides forward, reverse, and brake modes of operation. A logic supply voltage of 5 V is internally
derived from VCC.
The TPIC0108B has an extremely low rDS(on), 280 m typical, to minimize system power dissipation. The
control inputs (IN1 and IN2) greatly simplify the microcontroller overhead requirement. The device has a low
quiescent supply current of 20
A to suit a wide range of automotive and industrial battery-operated
applications.
The TPIC0108B provides protection against over-voltage, over-current, over-temperature, and cross
conduction faults. Fault diagnostics can be obtained by monitoring the STATUS1 and STATUS2 terminals and
the two input control lines. STATUS1 is an open-drain output suitable for wired-or connection. STATUS2 is a
push-pull output that provides a latched status output. Under-voltage protection ensures that the outputs, OUT1
and OUT2, will be disabled when VCC is less than the under-voltage detection voltage V(UVCC).
The TPIC0108B is designed using TI’s LinBiCMOS
process. LinBiCMOS allows the integration of low power
CMOS structures, precision bipolar cells, and low impedance DMOS transistors.
The TPIC0108B is offered in a 20-pin thermally enhanced small-outline package (DWP) and is characterized
for operation over the operating case temperature of 40
°C to 125°C.
FUNCTION TABLE
IN1
IN2
OUT1
OUT2
MODE
0
Z
Quiescent supply current mode
0
1
LS
HS
Motor turns clockwise
1
0
HS
LS
Motor turns counter clockwise
1
HS
Brake, both HSDs turned on hard
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
LinBiCMOS is a trademark of Texas Instruments Incorporated.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GNDS
VCC
IN1
VCC
OUT1
GND
IN2
GND
GNDS
VCC
STATUS2
VCC
OUT2
GND
STATUS1
GND
GNDS
DWP PACKAGE
(TOP VIEW)
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
2002, Texas Instruments Incorporated
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