Three-Phase Brushless Motor Gate Driver SBC

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

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

5.13 Serial Peripheral Interface (SPI)

5.14 Register Summary

5.15 Diagnostics and Protections

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

Microchip Devices Code Protection Feature

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