A4918KEVSR-1A-3-T
- supply_voltage_min_v
- 4.5
- supply_voltage_max_v
- 50
- architecture
- Gate Driver
- control_interface
- Direct Control, I2C/SPI
- package
- 48-Pin QFN
- market
- Automotive
- typical_load_current_a
- 10-25
Brushless DC Drivers
Automotive Three-Phase MOSFET Driver with ASIL Compliance, Diagnostics, and Current Sensing
A4918
Markets Served
The A4918 is an N-channel power MOSFET driver capable of controlling MOSFETs connected in a 3-phase bridge arrangement and is specifically designed for automotive applications with high-power inductive loads, such as BLDC motors.
Product Details
Product Details
Top Features
- 3-phase bridge MOSFET driver
- Bootstrap gate drive for N-channel MOSFET bridge
- Cross-conduction protection with adjustable dead time
- Charge pump for low supply voltage operation
- Programmable gate drive voltage and strength
- 4.5 to 50 V supply voltage operating range
- Integrated logic supply
- Three programmable current sense amplifiers
- SPI-compatible serial interface
- Bridge control by direct logic inputs or serial interface
- Extensive programmable diagnostics
- Diagnostic verification
- Safety assist features
- Automotive AEC-Q100 qualified
Target Application
Part Number Specifications and Availability
View Full Specification Details
A4918KEVSR-1A-5-T
- supply_voltage_min_v
- 4.5
- supply_voltage_max_v
- 50
- architecture
- Gate Driver
- control_interface
- Direct Control, I2C/SPI
- package
- 48-Pin QFN
- market
- Automotive
- typical_load_current_a
- 10-25
A4918KEVSR-3-T
- supply_voltage_min_v
- -
- supply_voltage_max_v
- -
- architecture
- -
- control_interface
- -
- package
- -
- market
- -
- typical_load_current_a
- -
A4918KEVSR-5-T
- supply_voltage_min_v
- -
- supply_voltage_max_v
- -
- architecture
- -
- control_interface
- -
- package
- -
- market
- -
- typical_load_current_a
- -
A4918KJPTR-1A-3-T
- supply_voltage_min_v
- 4.5
- supply_voltage_max_v
- 50
- architecture
- Gate Driver
- control_interface
- Direct Control, I2C/SPI
- package
- 48-Pin LQFP
- market
- Automotive
- typical_load_current_a
- 10-25
A4918KJPTR-1A-5-T
- supply_voltage_min_v
- 4.5
- supply_voltage_max_v
- 50
- architecture
- Gate Driver
- control_interface
- Direct Control, I2C/SPI
- package
- 48-Pin LQFP
- market
- Automotive
- typical_load_current_a
- 10-25
A4918KJPTR-3-T
- supply_voltage_min_v
- -
- supply_voltage_max_v
- -
- architecture
- -
- control_interface
- -
- package
- -
- market
- -
- typical_load_current_a
- -
A4918KJPTR-5-T
- supply_voltage_min_v
- -
- supply_voltage_max_v
- -
- architecture
- -
- control_interface
- -
- package
- -
- market
- -
- typical_load_current_a
- -
Design Tools
Technical Documentation
Application Note
Mosfet Slew-Rate Control with an Allegro Smart Gate Driver
Application Note
Advanced Negative Voltage Transient Test for Gate Drivers in Automotive Applications
Application Note
Advantages of Filters on the Input and Output Terminals of the Current-Sense Amplifier
Application Note
Estimating Maximum MOSFET Switching Frequency
Technical Article