BD65B60GWL-E2

Overview

The BD65B60GWL-E2 is a two-channel white LED driver IC utilizing a boost topology. It operates within an input voltage range of 2.7 V to 5.5 V and delivers a maximum output current of 25 mA per channel. The device generates a maximum output voltage of 28.5 V with a typical switching frequency of 1.1 MHz. It features soft start functionality and supports PWM dimming. The component is housed in a UCSP50L1-12 package, measuring 1.4 x 1.8 mm with a thickness of 0.55 mm. It functions reliably between -40°C and +85°C.

Feature Summary

• Dual-channel high-efficiency PWM step-up DC/DC converter for driving white LEDs
• Integrated internal switching FETs with optimized circuit design for low standby current
• Supports precise dimming from low to high brightness via dual DC and PWM signal control

Applications

• Smartphone LCD backlighting
• Portable gaming console displays
• Mobile phone illumination systems

Procurement Notes

Verify the specific suffix E2 against the manufacturer's datasheet to confirm compliance with RoHS directives and material declarations. Ensure the ordering part number matches the required tape-and-reel quantity of 3000 units. Confirm that the UCSP50L1-12 package dimensions align with the target PCB footprint requirements before finalizing procurement orders.

Selection Notes

Select this component for applications requiring a compact solution for dual-channel LED backlighting in portable devices. It is suitable for designs needing a wide input voltage range starting at 2.7 V. The integrated boost converter eliminates the need for external power switches. Consider the 1.1 MHz switching frequency when designing passive components to minimize size while maintaining efficiency.

Part Context

This device belongs to ROHM Semiconductor’s series of specialized LED lighting drivers designed for mobile electronics. It addresses the demand for extended battery life through high efficiency and low quiescent current. The product line focuses on miniaturization, offering small footprints like the UCSP package to support modern slim device architectures.

Replacement Considerations

The BD65B60GWL is listed as an alias for this part number. Verify functional equivalence if substituting with other ROHM dual-channel boost LED drivers, ensuring matching output current capabilities and package compatibility.