Description

BTS54040-LBE Infineon

Overview

The BTS54040-LBE is a smart high-side power switch designed for automotive and industrial applications. It provides a unique combination of high current handling, low on-resistance, and advanced protection features.

Key Features

• High current handling: up to 40 A
• Low on-resistance: 1.7 mΩ (typical)
• Smart overcurrent protection with adjustable threshold
• Short circuit protection with adjustable Automotive debounce filter
• Overtemperature protection with threshold adjustable between 140°C and 180°C
• Status feedback via diagnostic output
• Compatible with 3.3 V and 5 V microcontroller inputs

Parameters

• Nominal current: 40 A
• Maximum Operating Voltage: 40 V
• On-resistance: 1.7 mΩ (typical)
• Leakage current: 10 μA (typical)
• Operating Temperature Range: -40°C to 150°C
• Package: D2PAK (TO-263)
• Protection Features:
  • Overcurrent protection: 40 A to 60 A (adjustable)
  • Short circuit protection: with Automotive debounce filter
  • Overtemperature protection: 140°C to 180°C (adjustable)
• Diagnostic Output: Yes
• Logic Input Compatibility: 3.3 V and 5 V

Technical Specifications

• Protection Timing:
  • Overcurrent protection response time: 2 μs (typical)
  • Short circuit protection response time: 2 μs (typical)
  • Overtemperature protection response time: 10 ms (typical)
• Switching Characteristics:
  • Turn-on time: 10 μs (typical)
  • Turn-off time: 10 μs (typical)

Applications

• Automotive systems
• Industrial control systems
• Power supplies
• Motor control systems

Additional Information

For more detailed information, please refer to the datasheet and user manual.