TPS1HC100BQPWPRQ1

Power Distribution Switches, Load Drivers Overview

The TPS1HC100BQPWPRQ1 is an automotive-grade smart high-side power switch IC from Texas Instruments, designed for robust load distribution in vehicle electronics. It integrates a single N-channel MOSFET with a charge pump to enable low on-resistance operation. The device supports a maximum supply voltage of 40V and delivers up to 4A continuous output current. Key electrical parameters include a typical on-resistance of 80 milliohms and a programmable current limit range. It features comprehensive protection mechanisms including overcurrent, thermal shutdown, and under-voltage lockout. The component is housed in a 14-pin HTSSOP package and complies with AEC-Q100 standards for automotive reliability.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates an N-channel power FET with an internal charge pump for efficient high-side switching
• Features fully programmable current limiting via external digital potentiometer or resistor configuration
• Provides comprehensive fault protection including adjustable overcurrent threshold, thermal shutdown, and open-load detection
• Includes status flag output for real-time monitoring of switch state and fault conditions

Power Distribution Switches, Load Drivers Applications

• Automotive lighting systems requiring precise current control and dimming capabilities
• High-side power distribution units (PDU) for managing multiple electronic loads
• Actuator and motor driver circuits in automotive environments
• General purpose high-side switching applications in automotive ECUs

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific suffix 'BQ' against the official Texas Instruments datasheet to confirm the exact pinout, temperature grade, and packaging configuration intended for your design. Ensure that the selected evaluation board, such as the TPS1HC100EVM, matches the required interface for programming the current limit if variable control is needed. Cross-reference the AEC-Q100 qualification status with your system's reliability requirements before finalizing the procurement order.

Power Distribution Switches, Load Drivers Selection Notes

Select this component when a single channel with highly adjustable current limits is required for automotive loads. The integrated charge pump allows for lower on-resistance compared to P-channel alternatives, improving efficiency. Consider the 14-lead HTSSOP package for space-constrained PCB layouts. Ensure the external circuitry can support the necessary voltage levels for the charge pump and logic inputs during all operating conditions.

Power Distribution Switches, Load Drivers Part Context

This part belongs to the TPS1H100-Q1 family of smart high-side switches. It shares architectural similarities with other members like the TPS1H100BQPWPRQ1 but offers enhanced programmability through its HC variant designation. The family is designed to replace discrete MOSFET solutions by integrating protection and control logic into a single compact package suitable for modern automotive power management architectures.

Power Distribution Switches, Load Drivers Replacement Considerations

Direct replacements within the same series include the TPS1H100BQPWPRQ1, though functional differences exist regarding current limit adjustability. Verify pin-to-pin compatibility and ensure that the fixed versus programmable current limit specifications meet the application requirements before substituting.