BD88400GUL-E2

Overview

The BD88400GUL-E2 is a monolithic integrated circuit designed for driving high-side loads in automotive applications. It features a built-in current limit function and thermal shutdown protection to ensure reliable operation under fault conditions. The device operates within a wide supply voltage range, making it suitable for various automotive electrical systems. It integrates a sense amplifier for accurate current monitoring and includes diagnostic outputs for open-load detection. The component is housed in a compact package optimized for space-constrained environments.

Feature Summary

• Integrated high-side driver with current limiting capability
• Built-in thermal shutdown protection for enhanced safety
• Diagnostic output for open-load state detection
• Wide operating voltage range suitable for automotive standards

Applications

• Automotive lighting control modules
• High-side load switching in vehicle body electronics
• Fan and pump motor control circuits
• Solenoid driver applications in automotive systems

Procurement Notes

Verify the exact suffix E2 against the manufacturer's latest datasheet to confirm RoHS compliance and specific tape-and-reel packaging details. Ensure the ordering code matches the required pin configuration and temperature grade. Cross-reference the part number with authorized distributors to confirm authenticity and traceability documentation availability before finalizing procurement.

Selection Notes

Select this component when designing automotive high-side switches requiring integrated protection features. Consider the current rating and thermal performance relative to the expected load profile. Verify compatibility with the system's logic levels and diagnostic requirements. Evaluate the package size constraints against the PCB layout design to ensure proper mounting and heat dissipation capabilities are met.

Part Context

This part belongs to Rohm Semiconductor's automotive-grade high-side switch family. These components are engineered to meet stringent automotive reliability standards. The series typically offers various channel counts and protection levels. Engineers often choose these ICs for replacing discrete solutions to reduce board space and improve system robustness in critical vehicle subsystems.

Replacement Considerations

Check for direct pin-to-pin replacements within the same product line that may offer updated revisions or alternative packaging options. Verify that any substitute maintains identical electrical characteristics and protection functions. Consult the manufacturer's obsolescence notices to ensure long-term availability of the selected component or its designated successors.