BD94130EFV-ME2

Overview

The BD94130EFV-ME2 is an LED lighting driver IC manufactured by ROHM Semiconductor, designed for automotive backlight applications. It integrates 24-channel constant current drivers and 8-line switch controllers within a single HTSSOP-B54 package. The device operates on a supply voltage range of 3 V to 5.5 V and supports a maximum output current of 80 mA per channel, with a total output current capacity of 1920 mA. It features 12-bit PWM dimming with 4096 steps and 6-bit dot correction. Communication is handled via an SPI interface with a maximum data transfer rate of 20 MHz. The component is qualified under AEC-Q100 Grade 1 standards and functions reliably within an operating temperature range of -40°C to +125°C.

Feature Summary

• Integrates 24-channel constant current drivers and 8-line switch controllers for comprehensive backlight management.
• Supports high-resolution 12-bit PWM dimming and 6-bit dot correction for precise visual uniformity.
• Includes advanced protection mechanisms such as LED open/short detection and PGATE short protection.
• Features functional safety support capabilities suitable for automotive grade requirements.

Applications

• Automotive LCD backlight systems
• Multi-zone LED lighting control
• High-reliability automotive display modules

Procurement Notes

Verify the specific suffix ME2 against the manufacturer's datasheet to confirm pinout and packaging details. Ensure compatibility with the target PCB footprint, specifically the HTSSOP-B54 package dimensions. Confirm that the design supports the required SPI communication protocol and thermal dissipation for the specified operating temperature range. Check for any recent obsolescence notices or alternative lead-free material declarations from ROHM Semiconductor before finalizing procurement.

Selection Notes

Select this component when designing automotive displays requiring integrated multi-channel drive and switch control in a compact form factor. It is suitable for applications demanding high dimming resolution and robust fault detection features. Consider the HTSSOP-B54 package constraints and the need for external ISET resistors for current setting. Ensure the system architecture can accommodate the SPI interface requirements and the specified voltage range.

Part Context

This part belongs to the BD94130 series of LED lighting driver ICs from ROHM Semiconductor. It is specifically engineered for automotive applications, adhering to AEC-Q100 Grade 1 qualification standards. The series focuses on integrating multiple drive channels and control logic to simplify board space and reduce component count in complex backlight architectures.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-reference options directly with ROHM Semiconductor or authorized distributors based on specific electrical and mechanical requirements.