Datasheet
Battery Charger IC Series
Boost DC/DC Charger With Input Current Limiter
BD8664GW BD8665GW BD8668GW
General ...
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...