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  • DRV8837C 1-A Low-Voltage H-Bridge Driver

    • SLVSD61A July   2016  – July 2016 DRV8837C

      PRODUCTION DATA.  

  • CONTENTS
  • SEARCH
  • DRV8837C 1-A Low-Voltage H-Bridge Driver
  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Bridge Control
      2. 7.3.2 Sleep Mode
      3. 7.3.3 Power Supplies and Input Pins
      4. 7.3.4 Protection Circuits
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Motor Voltage
        2. 8.2.2.2 Low-Power Operation
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
    1. 9.1 Bulk Capacitance
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Power Dissipation
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information
  13. IMPORTANT NOTICE

Package Options

Mechanical Data (Package|Pins)
  • DSG|8
    • MPDS308C
Thermal pad, mechanical data (Package|Pins)
  • DSG|8
    • QFND141I
Orderable Information
  • slvsd61a_oa
  • slvsd61a_pm
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    • Full reading width
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DATA SHEET

DRV8837C 1-A Low-Voltage H-Bridge Driver

1 Features

  • H-Bridge Motor Driver
    • Drives a DC Motor or Other Loads
    • Low MOSFET On-Resistance: HS + LS 1 Ω
  • 1-A Maximum Drive Current
  • 0- to 11-V Operating Supply-Voltage Range
  • Standard PWM Interface (IN1/IN2)
  • Low-Power Sleep Mode With 120-nA Maximum Sleep Current
    • nSLEEP pin
  • Small Package and Footprint
    • 8 WSON (With Thermal Pad)
    • 2.0 × 2.0 mm
  • Protection Features
    • VCC Undervoltage Lockout (UVLO)
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)

2 Applications

  • Cameras
  • DSLR Lenses
  • Consumer Products
  • Toys
  • Robotics
  • Medical Devices

3 Description

The DRV8837C device provides an integrated motor driver solution for cameras, consumer products, toys, and other low-voltage or battery-powered motion control applications. The device can drive one DC motor or other devices like solenoids. The output driver block consists of N-channel power MOSFETs configured as an H-bridge to drive the motor winding. An internal charge pump generates needed gate drive voltages.

The DRV8837C device can supply up to 1 A of output current. The device operates on a motor power supply voltage from 0 to 11 V, and control logic can operate on 1.8-V to 5-V rails.

The DRV8837C device has a PWM (IN/IN) input interface.

Internal shutdown functions are provided for overcurrent protection, short circuit protection, undervoltage lockout, and overtemperature.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
DRV8837C WSON (8) 2.00 mm × 2.00 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.

DRV8837C Simplified Diagram

DRV8837C fad_DSG_slvsd61.gif

4 Revision History

Changes from * Revision (July 2016) to A Revision

  • Changed the device status from Product Preview to Production DataGo

5 Pin Configuration and Functions

DSG Package
8-Pin WSON With Exposed Thermal Pad
Top View

Pin Functions

PIN TYPE DESCRIPTION
NAME NO.
POWER AND GROUND
GND 4 PWR Device ground
This pin must be connected to the PCB ground.
VCC 8 PWR Logic power supply
Bypass this pin to the GND pin with a 0.1-µF ceramic capacitor rated for VCC.
VM 1 PWR Motor power supply
Bypass this pin to the GND pin with a 0.1-µF ceramic capacitor rated for VM.
CONTROL
IN1 6 I IN1 input
IN2 5 I IN2 input
nSLEEP 7 I Sleep mode input
When this pin is in logic low, the device enters low-power sleep mode. The device operates normally when this pin is logic high. The pin has an internal pulldown resistor to GND.
OUTPUT
OUT1 2 O Motor output
Connect this pin to the motor winding.
OUT2 3 O

 
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