BD8664GW Datasheet, PDF (1/35 Pages) Rohm – Integrated Input Detection

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
SW2
ISETIN3
ACLEN
VFB
PGOOD
VBUSOK
ISETOUT1
ISETOUT2
FSET
GND PGND
Controled by HOST
SYSTEM
BATTERY+
Figure 1. Typical Application
Circuit
〇Product structure : Silicon monolithic integrated circuit 〇This product has no designed protection against radioactive rays
© 2015 ROHM Co., Ltd. All rights reserved.
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TSZ02201-0A1A0AZ00130-1-2
15.Apr.2015 Rev.001