BTS54220LBBAUMA1

Power Distribution Switches, Load Drivers Overview

The BTS54220LBBAUMA1 is a high-side smart power switch from Infineon's HITFET family, designed for automotive applications. It integrates a single N-channel MOSFET with diagnostic and protection features. Key electrical parameters include a supply voltage range of 6V to 28V, an on-state resistance (RDS(on)) of typically 37mΩ at 25°C, and a continuous load current capability of 20A. The device supports PWM dimming up to 1kHz and includes thermal shutdown, over-current protection, and reverse polarity protection.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates a high-side N-channel MOSFET with integrated diagnostics and protection circuits
• Features active load dump protection and robust ESD performance
• Supports PWM dimming control for variable load applications
• Includes thermal shutdown and over-current protection mechanisms

Power Distribution Switches, Load Drivers Applications

• Automotive lighting systems including headlamps and interior lights
• High-power actuators and solenoids in vehicle bodies
• Fan and pump motor control in automotive environments
• General high-side switching for resistive and inductive loads

Power Distribution Switches, Load Drivers Procurement Notes

Verify the complete part number including suffixes such as 'BBAUMA1' against official Infineon documentation to ensure correct package type and tape/reel specifications. Confirm automotive qualification status and specific temperature grade requirements for your application before procurement.

Power Distribution Switches, Load Drivers Selection Notes

Select this component for applications requiring a single channel with 20A capacity and integrated diagnostics. Consider the low on-resistance for efficiency and the built-in protections for system reliability. Ensure the PCB layout supports the thermal requirements of the D²PAK-7 package.

Power Distribution Switches, Load Drivers Part Context

This device belongs to Infineon's HITFET™ family of smart power switches, which are optimized for automotive body electronics. These components combine power MOSFET technology with intelligent control and protection functions, offering a compact solution for replacing discrete high-side switch designs.

Power Distribution Switches, Load Drivers Replacement Considerations

Check for direct pin-to-pin replacements within the BTS54xx series or other HITFET families with similar current ratings and RDS(on) values. Verify compatibility of diagnostic signals and protection thresholds when substituting with different part numbers.