BD7691FJ-E2

Overview

The BD7691FJ-E2 is a Power Factor Correction (PFC) controller manufactured by ROHM Semiconductor. It operates within an input voltage range of 2.5 V to 3.45 V and draws a typical operating current between 15 mA and 17 mA. The device supports a switching frequency of 220 kHz and functions reliably across a temperature range of -40°C to +85°C. Packaged in a WLCSP-8 format, it dissipates up to 580 mW of power. This integrated circuit is designed for AC/DC converter applications requiring efficient power factor correction.

Feature Summary

• Integrated PFC control for AC/DC conversion systems
• Supports 220 kHz switching frequency operation
• Includes auto-restart capability for fault protection
• Designed for compact surface-mount integration

Applications

• AC/DC converter ICs with electrical outlet interfaces
• Power factor correction circuits in consumer electronics
• Compact power supply designs requiring high efficiency

Procurement Notes

Verify the specific suffix and package type against the official datasheet before ordering. Confirm that the component meets RoHS3 compliance requirements for your region. Ensure the supplier provides valid traceability documentation. Check for any lifecycle status changes or obsolescence notices from ROHM Semiconductor prior to finalizing procurement plans.

Selection Notes

Select this component for applications requiring integrated PFC functionality in small form factors. Consider the 220 kHz switching frequency for EMI management and efficiency targets. Evaluate the thermal dissipation capabilities relative to the WLCSP-8 package constraints. Ensure the input voltage range aligns with the system's power supply specifications.

Part Context

This part belongs to the ROHM Semiconductor PMIC family, specifically focused on power management solutions. It complements other video and motor driver ICs in the manufacturer's portfolio by addressing power quality issues in AC/DC conversion stages. The design emphasizes miniaturization and reliability for modern electronic devices.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify compatibility with existing PCB layouts and control loops if considering alternative PFC controllers from other manufacturers.