BTS621L1 E3230

Power Distribution Switches, Load Drivers Overview

The Infineon Technologies BTS621L1 E3230 is a PROFET® smart two-channel high-side power switch designed for automotive and industrial applications. It integrates N-channel vertical power FETs with an internal charge pump, enabling direct connection to ground-referenced CMOS-compatible logic inputs. The device supports a load voltage range of 5V to 34V and delivers a maximum output current of 3.5A per channel. Key electrical characteristics include a typical on-resistance (Rds(on)) of 80 mΩ. It operates within a temperature range of -40°C to +150°C junction temperature.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates overload protection, current limitation, short circuit protection, thermal shutdown, and overvoltage protection.
• Features diagnostic feedback via status flag pin for open load detection and fault indication.
• Includes internal charge pump for efficient high-side switching with ground-referenced input control.

Power Distribution Switches, Load Drivers Applications

• Automotive lighting systems
• Industrial motor control
• Solenoid and relay driving

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific suffix E3230 against official Infineon documentation to confirm package type and tape/reel specifications. Confirm end-of-life status or obsolescence notices prior to design-in, as availability may be limited. Ensure compatibility with existing PCB footprints and thermal management requirements for the TO-220-7 package.

Power Distribution Switches, Load Drivers Selection Notes

Select this component for applications requiring dual high-side switching with integrated diagnostics. Compare Rds(on) and current handling capabilities against alternative PROFET families if higher current density is needed. Verify input voltage levels match the system's logic interface. Consider thermal dissipation limits in enclosed environments.

Power Distribution Switches, Load Drivers Part Context

The BTS621L1 belongs to Infineon’s classic PROFET family of smart power switches. These devices are engineered for robustness in harsh automotive environments, combining power MOSFET technology with intelligent control circuits. The E3230 variant specifically denotes the package and packaging configuration within the broader BTS621L1 product line.

Power Distribution Switches, Load Drivers Replacement Considerations

Check Infineon's official cross-reference guides for direct replacements. Potential alternatives within the PROFET portfolio include the BTS621L2 or BTS621L4 for similar functionality with different pinouts or current ratings. Verify pin compatibility and electrical parameters before substitution.

Power Distribution Switches, Load Drivers FAQ

What is the maximum load voltage supported by the BTS621L1 E3230?

The device supports a load voltage range from 5V to 34V.

Does the BTS621L1 provide diagnostic feedback?

Yes, it includes a status flag output that indicates faults such as overload, short circuit, or open load conditions.