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DRV8837 Datasheet(PDF) 1 Page - Texas Instruments |
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DRV8837 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page PWM or PH and EN nSLEEP 0 to 11 V M DRV8837 and DRV8838 Brushed DC Motor Driver 1.8 A 1.8 to 7 V VCC VM Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV8837, DRV8838 SLVSBA4C – JUNE 2012 – REVISED FEBRUARY 2014 DRV883x Low-Voltage H-Bridge Driver 1 Features 3 Description The DRV883x provides an integrated motor driver 1 • H-Bridge Motor Driver solution for cameras, consumer products, toys, and – Drives a DC Motor or Other Loads other low-voltage or battery-powered motion control – Low MOSFET On-resistance: HS + LS applications. The device can drive one DC motor or 280 m Ω other devices like solenoids. The output driver block consists of N-channel power MOSFET’s configured • 1.8-A Maximum Drive Current as an H-bridge to drive the motor winding. An internal • Separate Motor and Logic Supply Pins: charge pump generates needed gate drive voltages. – Motor VM: 0 to 11 V The DRV883x can supply up to 1.8 A of output – Logic VCC: 1.8 to 7 V current. It operates on a motor power supply voltage • PWM or PH/EN Interface from 0 to 11 V, and a device power supply voltage of 1.8 V to 7.0 V. – DRV8837: PWM, IN1/IN2 The DRV8837 has a PWM (IN/IN) input interface; the – DRV8838: PH/EN DRV8837 has a PH/EN input interface. Both • Low-power Sleep Mode With 120-nA Maximum interfaces are compatible with industry-standard Sleep Current devices. – nSLEEP pin Internal shutdown functions are provided for • Small Package and Footprint overcurrent protection, short circuit protection, – 8 WSON (PowerPAD™) undervoltage lockout, and overtemperature. – 2.0 × 2.0 mm Device Information • Protection Features ORDER NUMBER PACKAGE BODY SIZE – VCC Undervoltage Lockout (UVLO) DRV8837DSGR WSON (8) 2.0 × 2.0 mm – Overcurrent Protection (OCP) DRV8838DSGR WSON (8) 2.0 × 2.0 mm – Thermal Shutdown (TSD) 2 Applications • Cameras • DSLR Lenses • Consumer Products • Toys • Robotics • Medical Devices DRV883x 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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