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CN3062 Datasheet Preview

CN3062 Datasheet

600mA USB-Compatible Lithium Battery Charger

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CONSONANCE
600mA USB-Compatible Lithium Battery Charger
CN3062
General Description:
The CN3062 is a complete constant-current /constant
voltage linear charger for single cell lithium
rechargeable battery. The device contains an on-chip
power MOSFET and eliminates the need for the
external current sense resistor and blocking diode.
Furthermore, the CN3062 is specifically designed to
work within USB power specifications. Its low
external component count makes CN3062 ideally
suited for portable applications.
Thermal feedback regulates the charge current to
limit the die temperature during high power
operation or high ambient temperature. The
regulation voltage is internally fixed at 4.2V, it can
also be adjusted with an external resistor. The charge
current can be programmed externally with a single
resistor. When the input supply (wall adapter or USB
supply) is removed, the CN3062 automatically enters
a low power sleep mode, dropping the battery drain
current to less than 3uA. Other features include
under-voltage lockout, automatic recharge, battery
temperature sensing and charging/termination
indicator.
The CN3062 is available in a thermally enhanced
8-pin SOP package.
Applications:
Mobile Phones
Digital Still Cameras
MP4 Players
Electronic Dictionary
Portable Devices
Variety Of Chargers
Features:
Charges Single Cell Li-Ion Batteries Directly
from USB Port or AC Adaptor
Input Voltage Range From 4.35V to 6V
On-chip Power MOSFET
No external Blocking Diode or Current Sense
Resistors Required
Constant Charge Voltage 4.2V, and also can be
adjustable by an external resistor
Precharge Conditioning for Reviving Deeply
Discharged Cells and Minimizing Heat
Dissipation During Initial Stage of Charge
Programmable Continuous Charge Current Up
to 600mA
Constant-Current/Constant-Voltage/Constant-
Temp Operation with Thermal Regulation to
Maximize Charge Rate Without Risk of
Overheating
Automatic Low-Power Sleep Mode When Input
Supply Voltage is Removed
Status Indication for LEDs or uP Interface
C/10 Charge Termination
Automatic Recharge
Battery Temperature Sensing
Available in SOP8 Package
Pb-free Available
Pin Assignment
www.consonance-elec.com
REV 1.1
1
Datasheet pdf - http://www.DataSheet4U.net/




Consonance

CN3062 Datasheet Preview

CN3062 Datasheet

600mA USB-Compatible Lithium Battery Charger

No Preview Available !

www.DataSheet.co.kr
CONSONANCE
Typical Application Circuit
Input Supply 4.35V to 6V
4.7uF
330
4
VIN FB 8
BAT 5
4.7uF
Green
LED
CN3062
Red
LED
7
CHRG
6
DONE
1
TEMP
ISET 2
GND
3
RISET
R1
Battery
NTC
R2
Figure 1 Typical Application Circuit(Constant Voltage Fixed at 4.2V)
Input Supply 4.35V to 6V
4.7uF
330
4
VIN FB 8
BAT 5
4.7uF
Green
LED
CN3062
Red
LED
7 CHRG
1
TEMP
6
DONE
GND
3
ISET 2
RISET
Rx
R1
Battery
NTC
R2
Figure 2 Application Circuit(Adjust Constant Voltage with Rx)
www.consonance-elec.com
REV 1.1
2
Datasheet pdf - http://www.DataSheet4U.net/


Part Number CN3062
Description 600mA USB-Compatible Lithium Battery Charger
Maker Consonance
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CN3062 Datasheet PDF






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