Boost DC/DC Charger With Input Current Limiter - BD8664GW

BD8664GW is lithium-ion battery charger IC, suitable for charging 2S batteries from a 5V source, such as a USB port with DC/DC boost topology.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part number
Unit Quantity
Minimum Package Quantity
Packing Type
BD8664GW-E2 Active UCSP75M2 3000 3000 Taping Yes
Grade Standard
Supply Voltage(Min.)[V] 4.1
Supply Voltage(Max.)[V] 5.5
ON Resistance [mΩ] 70
Charge Voltage [V] 8.3±0.5%
Operating Temperature (Min.)[°C] -30
Operating Temperature (Max.)[°C] 85
    • CP/CV Charging
    • Charge-On/ Off control available with EN pin
    • Integrated Input Detection (VBUSOK)
    • Integrated Power Good
    • Boost Switching Topology
    • Low Ron integrated MOSFET
    • Output Short Circuit Protection
    • 0.4mm pitch Chip Scale Package (UCSP75M2)
Technical Data
Application Note

Thermal Resistance