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DRV8802-Q1 Datasheet(PDF) 8 Page - Texas Instruments |
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DRV8802-Q1 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 26 page Charge Pump Thermal Shut down AOUT1 AOUT2 BOUT1 BOUT2 GND GND 0.1 F m 0.01 F m VM VMA VMB CP1 CP2 VCP ISENA ISENB AENBL AI0 BPHASE BENBL AVREF HS Gate Drive VM VM Internal Reference & Regs Int. VCC Motor Driver B nFAULT Control Logic nRESET Motor Driver A APHASE nSLEEP VM VM V3P3OUT 3.3 V LS Gate Drive 3.3 V BVREF AI1 BI0 BI1 DCM DCM DECAY 1 MW DRV8802-Q1 SLVSCI2A – JUNE 2014 – REVISED JUNE 2014 www.ti.com 7 Detailed Description 7.1 Overview The DRV8802-Q1 device provides an integrated motor driver solution for automotive applications. The device has two H-bridge drivers, and is intended to drive DC motors. The output driver block for each consists of N- channel power MOSFET’s configured as H-bridges to drive the motor windings. The DRV8802-Q1 device can supply up to 1.6-A peak or 1.1-A RMS output current (with proper heatsinking at 24 V and 25°C) per H-bridge. A simple parallel digital control interface is compatible with industry-standard devices. Decay mode is programmable to allow braking or coasting of the motor when disabled. Internal shutdown functions are provided for over current protection, short circuit protection, under voltage lockout and overtemperature. 7.2 Functional Block Diagram 8 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: DRV8802-Q1 |
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