Product Overview
The BTS452R from Infineon Technologies is a smart high-side power switch from the Classic PROFET 24V family. It integrates a vertical power FET with embedded protection and diagnostic functions, supporting 24V automotive and truck applications. The device features 200 mOhm on-resistance, 2.2 A nominal load current, and a diagnostic status feedback pin in a PG-TO252-5 (DPAK-5) package.
Key Specifications
| Type | Smart High-Side Power Switch |
| Channels | 1 |
| On-Resistance | 200 mOhm (typical) |
| Nominal Load Current | 2.2 A |
| Short Circuit Current | 6.5 A |
| Current Limit (min) | 4 A |
| Operating Voltage | 6 V to 52 V |
| Turn-On Time (max) | 180 µs |
| Turn-Off Time (max) | 200 µs |
| Power Dissipation | 41.6 W |
| Package | PG-TO252-5 (DPAK-5) |
| Operating Temperature | -40°C to 150°C |
| Qualification | AEC-Q100 |
Features
- Overload and short circuit protection with current limitation
- Thermal shutdown with automatic restart
- Overvoltage protection including load dump
- Undervoltage shutdown
- Fast demagnetization of inductive loads
- Reverse battery protection with external resistor
- Open drain diagnostic (ST) output for fault status
- Open load detection in OFF state
- CMOS compatible input
- ESD protection
Applications
- 24V truck and agricultural vehicle systems
- Automotive lighting control
- Body control modules
- Seat control and decentralized mirror modules
- HEV battery management systems