SLVSGT3 December   2022 DRV8317

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Output Stage
      2. 8.3.2  Control Modes
        1. 8.3.2.1 6x PWM Mode
        2. 8.3.2.2 3x PWM Mode
      3. 8.3.3  Device Interface Modes
        1. 8.3.3.1 Serial Peripheral Interface (SPI)
        2. 8.3.3.2 Hardware Interface
      4. 8.3.4  AVDD Linear Voltage Regulator
      5. 8.3.5  Charge Pump
      6. 8.3.6  Slew Rate Control
      7. 8.3.7  Cross Conduction (Dead Time)
      8. 8.3.8  Propagation Delay
      9. 8.3.9  Pin Diagrams
        1. 8.3.9.1 Logic Level Input Pin (Internal Pulldown)
        2. 8.3.9.2 Logic Level Input Pin (Internal Pullup)
        3. 8.3.9.3 Open Drain Pin
        4. 8.3.9.4 Push Pull Pin
        5. 8.3.9.5 Four Level Input Pin
      10. 8.3.10 Current Sense Amplifiers
        1. 8.3.10.1 Current Sense Amplifier Operation
      11. 8.3.11 Protections
        1. 8.3.11.1 Under Voltage Protection (UVP)
        2. 8.3.11.2 VM Under Voltage Warn (VMUV_WARN) Protection
          1. 8.3.11.2.1 VM Under Voltage Warn Automatic Retry (VMUV_WARN_MODE = 00b or 01b)
          2. 8.3.11.2.2 VM Under Voltage Warn Report Only (VMUV_WARN_MODE = 10b)
          3. 8.3.11.2.3 VM Under Voltage Warn Disabled (VMUV_WARN_MODE = 11b)
        3. 8.3.11.3 Over Current Protection (OCP)
          1. 8.3.11.3.1 OCP Latched Fault (OCP_MODE = 010b)
          2. 8.3.11.3.2 OCP Automatic Retry (OCP_MODE = 000b or 001b)
          3. 8.3.11.3.3 OCP Report Only (OCP_MODE = 011b)
        4. 8.3.11.4 VM Over Voltage Protection (OVP)
        5. 8.3.11.5 SPI Fault
        6. 8.3.11.6 System (OTP Read) Fault
        7. 8.3.11.7 Thermal Protection
          1. 8.3.11.7.1 FET Over Temperature Warning (OTW_FET)
          2. 8.3.11.7.2 FET Over Temperature Shutdown (OTS_FET)
          3. 8.3.11.7.3 LDO Over Temperature Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Functional Modes
        1. 8.4.1.1 Sleep Mode
        2. 8.4.1.2 Operating Mode
        3. 8.4.1.3 Fault Reset (FLT_CLR or nSLEEP Reset Pulse)
    5. 8.5 SPI Communication
      1. 8.5.1 Programming
        1. 8.5.1.1 SPI Format
    6. 8.6 DRV8317 Registers
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Three-Phase Brushless-DC Motor Control
        1. 9.2.1.1 Detailed Design Procedure
          1. 9.2.1.1.1 Motor Voltage
        2. 9.2.1.2 Driver Propagation Delay and Dead Time
        3. 9.2.1.3 Delay Compensation
        4. 9.2.1.4 Current Sensing and Output Filtering
        5. 9.2.1.5 Application Curves
    3. 9.3 Alternate Applications
  10. 10Power Supply Recommendations
    1. 10.1 Bulk Capacitance
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
      1. 11.3.1 Power Dissipation and Junction Temperature Estimation
  12. 12Device and Documentation Support
    1. 12.1 Support Resources
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Device Comparison Table

DEVICE PACKAGES INTERFACE
DRV8317S 36-pin WQFN (5-mm x 4-mm) SPI
DRV8317H Hardware (Pin)
Table 5-1 DRV8317S vs DRV8317H Configuration Comparison
Parameters DRV8317S DRV8317H
PWM control mode PWM_MODE (4 settings) MODE pin (2 settings)
Slew rate SLEW_RATE (4 settings) SLEW pin (4 settings)
Current sense amplifier gain CSA_GAIN (4 settings) GAIN pin (4 settings)
OCP blanking time OCP_TBLANK (4 settings) Fixed to 0.7-µs
OCP deglitch time OCP_DEG (4 settings) Fixed to 0.6-µs
OCP mode OCP_MODE (4 settings), Configurable retry time 5-ms automatic retry
Dead time Fixed based on SLEW_RATE setting Fixed based on SLEW pin setting
Propagation delay Fixed based on SLEW_RATE setting Fixed based on SLEW pin setting
Driver delay compensation DLYCMP_EN (2 settings) Disabled
Spread Spectrum Clock for internal oscillator SSC_DIS (2 settings) Enabled
VM under voltage lockout VM under voltage protection always enabled. VM under voltage protection mode set by UVP_MODE (2 settings); configurable retry time using SLOW_TRETRY and FAST_TRETRY. VM under voltage protection always enabled. Auto-retry mode for VM under voltage with 5-ms retry time.
VIN_AVDD, AVDD under voltage lockout VIN_AVDD and AVDD under voltage protection always enabled. Device resets on VIN_AVDD or AVDD under voltage. VIN_AVDD and AVDD under voltage protection always enabled. Device resets on VIN_AVDD or AVDD under voltage.
CP under voltage lockout CP under voltage protection always enabled. CP under voltage protection mode set by UVP_MODE (2 settings); configurable retry time using SLOW_TRETRY and FAST_TRETRY. CP under voltage protection always enabled. Auto-retry mode for CP under voltage with 5-ms retry time.
VM over voltage OVP_MODE (2 settings); configurable retry time using SLOW_TRETRY and FAST_TRETRY 5-ms automatic retry
SPI fault SPIFLT_MODE (2 settings) N/A
FET over temperature warning (OTW_FET) Enable/disable using OTW_FET_EN. If enabled, over temperature warning is reported on nFAULT pin and OTW_FET bit in OT_STS register. Disabled
FET over temperature shutdown (OTS_FET) OTF_MODE (2 settings); configurable retry time using SLOW_TRETRY and FAST_TRETRY 5-ms automatic retry