Maker : Texas Instruments
Part No. : SN754410

  Datasheet PDF : SN754410.pdf
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Product Information

SN754410 QUADRUPLE HALF-H DRIVER SLRS007B – NOVEMBER 1986 – REVISED NOVEMBER 1995 • • • • • • • • • • • • • • 1-A Output-Current Capability Per Driver Applications Include Half-H and Full-H Solenoid Drivers and Motor Drivers Designed for Positive-Supply Applications Wide Supply-Voltage Range of 4.5 V to 36 V TTL- and CMOS-Compatible High-Impedance Diode-Clamped Inputs Separate Input-Logic Supply Thermal Shutdown Internal ESD Protection Input Hysteresis Improves Noise Immunity 3-State Outputs Minimized Power Dissipation Sink/Source Interlock Circuitry Prevents Simultaneous Conduction No Output Glitch During Power Up or Power Down Improved Functional Replacement for the SGS L293 NE PACKAGE (TOP VIEW) 1,2EN 1A 1Y HEAT SINK AND GROUND 2Y 2A VCC2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC1 4A 4Y HEAT SINK AND GROUND 3Y 3A 3,4EN FUNCTION TABLE (each driver) OUTPUT A EN Y H H H L H L X L Z H = high-level, L = low-level X = irrelevant Z = high-impedance (off) † In the thermal shutdown mode, the output is in a highimpedance state regardless of the input levels. INPUTS† description The SN754410 is a quadruple high-current half-H driver designed to provide bidirectional drive currents up to 1 A at voltages from 4.5 V to 36 V. The device is designed to drive inductive loads such as relays, solenoids, dc and bipolar stepping motors, as well as other high-current/high-voltage loads in positive-supply applications. All inputs are compatible with TTL-and low-level CMOS logic. Each output (Y) is a complete totem-pole driver with a Darlington transistor sink and a pseudo-Darlington source. Drivers are enabled in pairs with drivers 1 and 2 enabled by 1,2EN and drivers 3 and 4 enabled by 3,4EN. When an enable input is high, the associated drivers are enabled and their outputs become active and in phase with their inputs. When the enable input is low, those drivers are disabled and their outputs are off and in a high-impedance state. With the proper data inputs, each pair of drivers form a full-H (or bridge) reversible drive suitable for solenoid or motor applications. A separate supply voltage (VCC1) is provided for the logic input circuits to minimize device power dissipation. Supply voltage VCC2 is used for the output circuits. The SN754410 is designed for operation from – 40°C to 85°C. 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 © 1995, Texas Instruments Incorporated POST OFFICE BOX 655303 POST OFFICE BOX 1443 • DALLAS, TEXAS 75265 • HOUSTON, TEXAS 77251–1443 1 SN754410 QUADRUPLE HALF-H DRIVER SLRS007B – NOVEMBER 1986 – REVISED NOVEMBER 1995 logic symbol† 1A 1,2EN 2A 3A 3, 4EN 4A 2 1 7 10 9 15 EN EN 14 EN EN 6 3 1Y logic diagram 1A 1, 2EN 2Y 2A 2 1 7 6 2Y 3 1Y 11 3Y 3A 3, 4EN 10 9 15 11 3Y 4Y 4A 14 4Y † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. schematics of inputs and outputs EQUIVALENT OF EACH INPUT TYPICAL OF ALL OUTPUTS VCC2 VCC1 Current Source Output Input GND GND 2 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443 • • SN754410 QUADRUPLE HALF-H DRIVER SLRS007B – NOVEMBER 1986 – REVISED NOVEMBER 1995 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Output supply voltage range, VCC1 (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 36 V Output supply voltage range, VCC2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 36 V Input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 V Output voltage r...

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