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ROHM Semiconductor - Boost DC/DC Charger

Numéro de référence BD8668GW
Description Boost DC/DC Charger
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD8668GW fiche technique
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 integrated circuit This product has no designed protection against radioactive rays
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
1/32
TSZ02201-0A1A0AZ00130-1-2
15.Apr.2015 Rev.001

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