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TPIC0108B Fiches technique(PDF) 1 Page - Texas Instruments |
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TPIC0108B Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 15 page 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 µA 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 mΩ 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 µA 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 0 Z Z Quiescent supply current mode 0 1 LS HS Motor turns clockwise 1 0 HS LS Motor turns counter clockwise 1 1 HS 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 OUT1 GND IN2 GND GNDS GNDS VCC STATUS2 VCC OUT2 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 |
Numéro de pièce similaire - TPIC0108B_11 |
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Description similaire - TPIC0108B_11 |
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