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The A4918KJPTR-1A-3-T is an N-channel power MOSFET driver that controls MOSFETs connected in a three-phase bridge setup, specifically designed for automotive applications using high-power inductive loads such as BLDC motors.

Device Properties

Motor Type - Stepper: Multi-Phase  

Motor Type - AC, DC: Brushless DC (BLDC)  

Function: Driver - Fully Integrated, Control and Power Stage  

Output Configuration: Half Bridge (3)  

Interface: I²C, SPI  

Technology: NMOS  

Application: Automotive Grade  

Voltage - Supply: 4.5V ~ 50V  

Voltage - Load: 4.5V ~ 50V  

Operating Temperature: -40°C ~ 150°C  

Mounting Type: Surface Mount  

Package/Shell: 48-LQFP Exposed Pad  

Supplier Device Package: 48-LQFP-EP (7x7)

Features

Three Phase Bridge MOSFET Driver

Bootstrap Gate Driver for N-Channel MOSFET Bridges

Cross-conduction protection with adjustable non-inductive time

Charge pump for low supply voltage operation

Programmable gate drive voltage and strength

4.5 to 50V supply voltage operating range

Integrated logic power supply

Three programmable current sense amplifiers

SPI-compatible serial interface

Bridge control via direct logic input or serial interface

Extensive programmable diagnostics

Diagnostic verification

Safety assistance functions

Certified to AEC-Q100 automotive electronics test standard

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