BD99950MUV-E2

Battery Chargers Overview

The BD99950MUV-E2 is a narrow VDC charger and system power path controller designed for 2/3 cell battery applications. It integrates synchronous rectification with two charge pumps for individual N-channel MOSFET driving. The device supports an input voltage range of 6 V to 24 V, delivering output voltages from 3 V to 17 V and currents up to 8.128 A. Operating temperatures span -10 °C to +85 °C within a compact VQFN-20 package.

Battery Chargers Feature Summary

• SMBus programmability for precise control of charge voltage, current, AC adapter limits, and minimum system voltage thresholds
• Integrated dual charge pumps enabling independent drive signals for external N-channel MOSFETs in the power path
• Turbo mode capability providing fast dynamic transient response under load changes without battery presence
• BGATE charge pump technology supporting linear mode operation and trickle charging functions

Battery Chargers Applications

• Narrow VDC charging systems for portable electronic devices
• Power management for 2-cell or 3-cell lithium-ion battery packs
• USB-powered equipment requiring integrated power path management
• Battery backup units utilizing AC adapter inputs

Battery Chargers Procurement Notes

Verify the specific suffix E2 against the manufacturer's latest documentation to confirm environmental compliance status and pinout compatibility. Confirm that the required external N-channel MOSFETs are selected to match the internal charge pump drive capabilities. Ensure the design accommodates the specified thermal dissipation requirements for the VQFN-20 package under maximum load conditions.

Battery Chargers Selection Notes

Select this component when designing systems requiring SMBus configurability for strict power budget management. It is suitable for applications needing high efficiency across varying load conditions through Turbo Mode. Consider the external MOSFET selection carefully to optimize conduction losses. Verify that the operating temperature range meets the specific deployment environment requirements.

Battery Chargers Part Context

This part belongs to ROHM Semiconductor's battery management portfolio, specifically targeting narrow VDC chargers. It serves as a system power path controller combining step-down regulation with battery charging functions. The device replaces discrete solutions by integrating control logic, drivers, and protection circuits into a single IC.

Battery Chargers Replacement Considerations

The BD99950MUV is listed as an alias for this component. No other direct substitute part numbers are confirmed in the provided documentation.