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Three-Phase Brushless Motor Gate Driver SBC
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ATA6847
ATA6847L
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
4.1
Packages
Available packages.
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
5.16
Limp Home
6
Electrical Characteristics
6.1
Absolute Maximum Ratings
6.2
DC/AC Characteristics
6.3
Thermal Characteristics
7
Typical Performance Curves
8
Application Information
8.1
Startup Initialization
8.2
Back-EMF Motor Control Mode
8.3
Current Sense Amplifier Signal Filtering
9
Package Information
10
Revision History
Product Identification System
Product Change Notification Service
Microchip Information
Trademarks
Legal Notice
Microchip Devices Code Protection Feature