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DRV8838 Datasheet(PDF) 9 Page - Texas Instruments |
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DRV8838 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 26 page Over- Temp OUT1 OUT2 GND VM VM VM Gate Drive Logic Osc OCP DCM Charge Pump IN1 0 to 11 V 1.8 to 7 V IN2 nSLEEP VCC VCC VM Gate Drive OCP B0479-01 DRV8837, DRV8838 www.ti.com SLVSBA4C – JUNE 2012 – REVISED FEBRUARY 2014 7 Detailed Description 7.1 Overview The DRV883x is a H-bridge driver that can drive one DC motor or other devices like solenoids. The outputs are controlled using either a PWM interface (IN1/IN2) on the DRV8837 or a PH/EN interface on the DRV8838. A low-power sleep mode is included, which can be enabled using the nSLEEP pin. These devices greatly reduce the component count of motor driver systems by integrating the necessary driver FETs and FET control circuitry into a single device. In addition, the DRV883x adds protection features above traditional discrete implementations: undervoltage lockout, overcurrent protection, and thermal shutdown. 7.2 Functional Block Diagram Figure 4. DRV8837 Functional Block Diagram Copyright © 2012–2014, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: DRV8837 DRV8838 |
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