Jump to main content
Three-Phase Brushless Motor Gate Driver SBC
Three-Phase Brushless Motor Gate Driver SBC
Product Pages
ATA6847 ATA6847L
  1. Home
  2. 5 Functional Description
  3. 5.15 Diagnostics and Protections

  • Description
  • Features
  • Applications
  • 1 Typical Application Circuit(s)

    This typical application shows a two-shunt system configuration and a third shunt as a current limit sensor.

  • 2 Product Family
  • 3 Block Diagram
  • 4 Pin Configuration
  • 5 Functional Description
    • 5.1 Supply Voltage Range vs. Device Functionality
    • 5 Device Operating Modes
    • 5.2 Gate Drive Unit (GDU)
    • 5.3 Charge Pumps (CP1 and CP2)
    • 5.4 Low Dropout Voltage Regulator (VDD1)
    • 5.5 Low Dropout Voltage Regulator (VDD2)
    • 5.6 PWM Inputs Pins
    • 5.7 Current Sense Amplifier (CSA)
    • 5.8 Back-EMF Sampler and Back-EMF Detection
    • 5.9 Motor Line Diagnostics
    • 5.10 LIN Transceiver
    • 5.11 Wake-up Sources
    • 5.12 Watchdog
    • 5.13 Serial Peripheral Interface (SPI)
    • 5.14 Register Summary
    • 5.15 Diagnostics and Protections
      • 5.15.1 SLEEP MODE PROTECTION
      • 5.15.2 VS SUPPLY UNDERVOLTAGE PROTECTION
      • 5.15.3 VDH SUPPLY OVERVOLTAGE PROTECTION
      • 5.15.4 VDD1/VDD2 UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
      • 5.15.5 VGS MONITORING AND EXTERNAL MOSFET PROTECTION
      • 5.15.6 OUTPUT CURRENT LIMITATION
      • 5.15.7 VDS DRAIN-SOURCE VOLTAGE MONITORING AND POWER STAGE SHORT CIRCUIT PROTECTION
      • 5.15.8 TEMPERATURE MONITORING AND OVERTEMPERATURE PROTECTION
      • 5.15.9 INTERRUPT/WAKE-UP EVENT DELAY (NIRQ)
      • 5.15.10 LOSS OF POWER AT PIN VS
      • 5.15.11 PROTECTION AND FAULT EVENT REGISTERS
      • 5.15.12 CROSS CONDUCTION PROTECTION
      • 5.15.13 LIN transceiver TXD pin dominant timeout function
    • 5.16 Limp Home
  • 6 Electrical Characteristics

  • 7 Typical Performance Curves
  • 8 Application Information
  • 9 Package Information
  • 10 Revision History
  • Product Identification System
  • Product Change Notification Service
  • Microchip Information

5.15 Diagnostics and Protections

(Submit Feedback)

About
Company
Careers
Contact Us
Media Center
Investor Relations
Corporate Responsibility

Support
Microchip Forums
AVR Freaks
Design Help
Technical Support
Export Control Data
PCNs

Quick Links
microchipDIRECT.com
Microchip University
myMicrochip
Blogs
Reference Designs
Parametric Search
Microchip Logo

Microchip Technology Inc.

2355 West Chandler Blvd.

Chandler, Arizona, USA

Microchip Facebook
Microchip LinkedIn
Microchip Twitter
Microchip Instagram
Microchip Weibo

© Copyright 1998-2024 Microchip Technology Inc. All rights reserved. Shanghai ICP Recordal No.09049794

Terms Of Use
Privacy Notice
Legal
Your Privacy Choices California Consumer Privacy Act (CCPA) Opt-Out Icon