ZHCSA67F June   2012  – April 2021 DRV8837 , DRV8838

PRODUCTION DATA  

  1. 特性
  2. 应用范围
  3. 说明
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions
    2. 5.1 Dapper Pin Functions
  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. 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 Independent Half-Bridge Control
      3. 7.3.3 Sleep Mode
      4. 7.3.4 Power Supplies and Input Pins
      5. 7.3.5 Protection Circuits
        1. 7.3.5.1 VCC Undervoltage Lockout
        2. 7.3.5.2 Overcurrent Protection (OCP)
        3. 7.3.5.3 Thermal Shutdown (TSD)
        4. 7.3.5.4 28
    4. 7.4 Device Functional Modes
      1.      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
  8. Power Supply Recommendations
    1. 8.1 Bulk Capacitance
  9. Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
    3. 9.3 Power Dissipation
  10. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Related Links
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Community Resources
    5. 10.5 Trademarks
      1.      Mechanical, Packaging, and Orderable Information

Pin Functions

PINI/ODESCRIPTION
NAMENO.
DRV8837DRV8838
POWER AND GROUND
GND44Device ground
This pin must be connected to ground.
VCC88ILogic power supply
Bypass this pin to the GND pin with a 0.1-µF ceramic capacitor rated for VCC.
VM11IMotor power supply
Bypass this pin to the GND pin with a 0.1-µF ceramic capacitor rated for VM.
CONTROL
EN5IENABLE input
IN16IIN1 input
See the Section 7 section for more information.
IN25IIN2 input
See the Section 7 section for more information.
PH6IPHASE input
See the Section 7 section for more information.
nSLEEP77ISleep 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. Internal pulldown
OUTPUT
OUT122OMotor output
Connect these pins to the motor winding.
OUT233O