Multichannel & Solenoid Drivers

Automotive 3-Phase Isolator MOSFET Driver with Reverse Battery and Battery Disconnect Channels

A89103

Markets Served

The A89103 is an N-channel MOSFET driver for motor phase and battery supply isolation in 3-phase BLDC applications. It controls five MOSFETs with floating gate drives, features an integrated charge pump, and offers SPI configuration and a low-power sleep mode.

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Product Details

Top Features

  • Five floating N-channel MOSFET drives
  • Maintains VGS with 100 kΩ gate-source resistors
  • Integrated charge pump controller
  • 4.5 to 85 V supply voltage operating range
  • Supports source-to-source and drain-to-drain battery MOSFET isolation
  • VCP and VGS undervoltage protection
  • 150°C ambient (165°C junction) continuous
  • Fully integrated diagnostics for safe motor phase and battery disconnect
  • Extensive programmable diagnostics    
  • Diagnostic verification
  • Automotive AEC-Q100 qualified
Target Application

Part Number Specifications and Availability

View Full Specification Details

A89103KETSR-3

supply_voltage_min_v
4.5
supply_voltage_max_v
85
architecture
Gate Driver
control_interface
Direct Control
rds_on
Not specified
commutation
Direct Drive
motor_positioning_method
External
sleep_current
3uA
current_sense_amplifiers
0
number_of_bridges
5
temperature
-40°C to 150°C
package
28-Pin QFN
market
Automotive
typical_load_current_a
0-20

A89103KETSR-5

supply_voltage_min_v
4.5
supply_voltage_max_v
85
architecture
Gate Driver
control_interface
Direct Control
rds_on
Not specified
commutation
Direct Drive
motor_positioning_method
External
sleep_current
3uA
current_sense_amplifiers
0
number_of_bridges
5
temperature
-40°C to 150°C
package
28-Pin QFN
market
Automotive
typical_load_current_a
0-20

A89103KEVSR-3

supply_voltage_min_v
4.5
supply_voltage_max_v
85
architecture
Gate Driver
control_interface
Direct Control
rds_on
Not specified
commutation
Direct Drive
motor_positioning_method
External
sleep_current
3uA
current_sense_amplifiers
0
number_of_bridges
5
temperature
-40°C to 150°C
package
28-Pin QFN
market
Automotive
typical_load_current_a
0-20

A89103KEVSR-5

supply_voltage_min_v
4.5
supply_voltage_max_v
85
architecture
Gate Driver
control_interface
Direct Control
rds_on
Not specified
commutation
Direct Drive
motor_positioning_method
External
sleep_current
3uA
current_sense_amplifiers
0
number_of_bridges
5
temperature
-40°C to 150°C
package
28-Pin QFN
market
Automotive
typical_load_current_a
0-20

設計ツール

ECAD FILE

A89103

A89103 ECAD Model Type Image
Software

Software Portal

Technical Documentation

Common-Drain and Common-Source Reverse-Battery Protection Schemes for the A89103
Application Note

Common-Drain and Common-Source Reverse-Battery Protection Schemes for the A89103

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Application Note

AN296296 - Smart Relay Common Drain Application Board

AN296298 - Smart Relay Common Source Application Board
Application Note

AN296298 - Smart Relay Common Source Application Board

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