A4927 - Allegro

A4927 Automotive Half-Bridge MOSFET Driver

The A4927 is an N-channel power MOSFET driver capable of controlling MOSFETs connected in a half-bridge arrangement and is specifically designed for automotive applications with high-power inductive loads, such as brush DC motors solenoids and actuators. The A4927 is intended for automotive systems that must meet ASIL requirements. In common with other Alleg.

Features

• Half-bridge MOSFET driver
• Bootstrap gate drive for N-channel MOSFET bridge
• Cross-conduction protection with adjustable dead time
• Charge pump regulator for low supply voltage operation
• 5.5 to 50 V supply voltage operating range
• SPI-compatible serial interface
• Bridge control by direct logic inputs or serial interface
• Programmable gate drive
• Current sense amplifier 2
• Programmable diagnostics -
• A2SIL™ product—device features for safety-critical systems APPLICATIONS
• Anti-lock braking systems (ABS)
• HVAC (blower fan)
• DC pumps (fuel, oil, water)
• Solenoids a.