ISL6293_06 Datasheet, PDF (3/8 Pages) Intersil Corporation – Li-ion/Li Polymer Battery Charger Accepting Two Power Sources

ISL6293
Typical Applications
A Simple Charger Accepting Power from Both a USB Port and a Desktop Cradle
To Cradle
Connector
To USB C₁
Connector
R₁
C₂
500mA
100mA
CRDL
USB
USBP
BAT
ICDL
IUSB
PPR
CHG
EN
GND
R_ICDL
R_IUSB
R₂
D₁
Disable
Enable
To Battery
C₃
R₃
D₂
R_ICDL
R_IUSB
R₂, R₃
C₁, C₂, C₃
R₁
D₁, D₂
COMPONENT SELECTION
1.82kΩ for 0.8A cradle charge current
80kΩ for 100mA/500mA USB charge current
470Ω
1µF ceramic capacitor
1Ω
LEDs
A Simple Charger with Programmable Charge Current and Wide Input Voltage Range
To Cradle
Connector
C₁
Disable
Enable
USB
BAT
ICDL
CRDL
IUSB
ISL6293-2
USBP
PPR
CHG
EN
GND
To Battery
R_ICDL
C₂
COMPONENT SELECTION
R_ICDL
1.82kΩ for 0.8A cradle charge current
C₁, C₂
1µF ceramic capacitor
R_IUSB is not required when the USB input of ISL6293-2 is left
floating in the design for a single input charger.
3
FN9180.1
January 4, 2006