BD8668GW

Datasheet Battery Charger IC Series Boost DC/DC Charger With Input Current Limiter BD8664GW BD8665GW BD8668GW General Description BD8664GW, BD8665GW and BD8668GW are lithium-ion battery charger IC’s, suitable for charging 2S batteries from a 5V source, such as a USB port with DC/DC boost topology. Features  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) Applications DVC, DSC, MID and other Lithium battery-powered portable devices Key Specifications  Input Current Accuracy ±2%(BD8664GW) ±3%(BD8665GW/BD8668GW)  Charging Voltage Accuracy ±0.5%  Selectable Input Current 100mA/500mA/900mA/1500mA (max)  Charging frequency 1MHz (typ)  Input Standby Current 71µA(typ)  battery leakage current while charging is off 0µA(typ) Package UCSP75M2 W(Typ) x D(Typ) x H(Max) 2.20mm x 2.20mm x 0.85mm Line Up Charge Voltage 8.30V 8.40V Package USCP75M2 Pin number 20 25 Orderable Part Number BD8664GW BD8665GW BD8668GW Typical Application Circuit VBUS+ D+ D- OVP BC1.2 Detector SDA SCL HOST VBUS ICOMP VCOMP FSET ISNS VBUSLIM SW1 EN BD8664GW BD8665GW ISETIN1 BD8668GW ISETIN2 ISETIN3 SW2 ACLEN PGOOD VFB VBUSOK ISETOUT1 ISETOUT2 FSET GND PGND Controled by HOST SYSTEM BATTERY+ Figure 1. Typical Application Circuit Product structure : Silicon monolithic...