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Product Introduction

Product parameters

Funtion:1A Lithium Battery Charger IC

Opration Mode:Linear

Battery:single cell Li-ion and Li Polymer battery

Battery No.:1

Vout Range:0V-4.2V

Vin Range:3.8V - 6V

Max Charge Current:1A

Operating Current:450uA

Solar Panel charge:No

Chip Temperature Regulation:Yes

Package:eSOP8

Chip Enable:No

On-chip Power MOSFET:Yes


General Description:

The CN3162 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. Its low external component count makes CN3162 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 is removed, the CN3162 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 CN3162 is available in a thermally enhanced 8-pin eSOP8 package.

 

Applications:

l  Mobile Phones

l  Digital Still Cameras

l  Power Bank

l  Portable Devices

l  Variety Of Chargers

Features:

l  Complete Charge Management for Single Cell Lithium Battery

l  Input Voltage Range From 3.8V to 6V

l  On-chip Power MOSFET

l  No external Blocking Diode or Current Sense Resistors Required

l  Constant Charge Voltage 4.2V, and also can be adjustable by an external resistor

l  Precharge Conditioning for Reviving Deeply Discharged Cells and Minimizing Heat Dissipation During Initial Stage of Charge

l  Programmable Continuous Charge Current Up to 1A

l  Constant-Current/Constant-Voltage/Constant-Temp Operation with Thermal Regulation to Maximize Charge Rate Without Risk of Overheating

l  Automatic Low-Power Sleep Mode When Input Supply Voltage is Removed

l  Status Indication for LEDs or uP Interface

l  C/10 Charge Termination

l  Automatic Recharge

l  Battery Temperature Sensing

l  Available in eSOP8 Package

l  Pb-free, rohs-compliant, halogen free


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