
Allegro MicroSystems
DESCRIPTION
The AMT49107 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.
FEATURES AND BENEFITS
• 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
• Operation at any PWM duty cycle up to and including 100%
• 4.5 to 50 V supply voltage operating range
• Supply for external isolator
• SPI-compatible serial interface
• Bridge control by direct logic inputs or serial interface
• Q&A and ENABLE watchdog
• Extensive programmable diagnostics
• Diagnostic verification
• Safety-assist features
• Automotive AEC-Q100 qualified
• A2-SIL™ product—device features for
safety-critical systems*