BTS4140NNT

Power Distribution Switches, Load Drivers Overview

The BTS4140NNT is a single-channel high-side smart power switch from Infineon’s Classic PROFET™ 24V family, utilizing SIPMOS® technology. It integrates an N-channel vertical power FET with charge pump and current control input in a SOT-223-4 package. Key electrical parameters include a recommended operating voltage range of 4.9 V to 60 V, a rated load current of 0.2 A per channel (all channels active), and a short-circuit current limit of 0.7 A. The device features a maximum on-resistance of 1 Ohm, total power dissipation of 1.7 W, turn-on time of 100 µs, and turn-off time of 140 µs. It operates within a temperature range of -40 °C to 150 °C.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates embedded protection functions including short circuit protection, overvoltage protection, and thermal shutdown with restart capability.
• Provides diagnostic features such as GND fault and VBB fault protection alongside low standby current consumption.
• Supports reverse battery protection and offers good electromagnetic compatibility (EMC) performance.

Power Distribution Switches, Load Drivers Applications

• Automotive lighting systems
• Industrial load switching
• General purpose power distribution

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific suffix 'NT' against official Infineon documentation to confirm tape-and-reel packaging specifications. Ensure the component meets automotive quality standards if required for the target application. Cross-reference the full part number BTS4140NHUMA1 for identical functional characteristics. Confirm moisture sensitivity levels prior to soldering processes.

Power Distribution Switches, Load Drivers Selection Notes

Select this component for applications requiring a single high-side switch with integrated diagnostics and robust protection features. The SOT-223-4 package suits surface-mount designs with moderate power dissipation needs. Consider the 0.2 A continuous current rating when designing for resistive or inductive loads within the specified voltage range.

Power Distribution Switches, Load Drivers Part Context

This device belongs to Infineon’s Classic PROFET™ 24V family of smart power switches. It is designed for 24V automotive and industrial systems. The BTS4140N variant serves as the base model for this single-channel configuration, offering a compact solution for power distribution tasks requiring high reliability and integrated safety mechanisms.

Power Distribution Switches, Load Drivers Replacement Considerations

BTS4140NHUMA1 is a confirmed equivalent part number representing the same functional device.

Power Distribution Switches, Load Drivers FAQ

What is the maximum short-circuit current for the BTS4140NNT?

The maximum short-circuit current is 0.7 A.

Does the BTS4140N support reverse battery protection?

Yes, the device includes built-in reverse battery protection functionality.