CE3320替代TP2000，2A充电IC

The CE3320 is a 2A Li-Ion battery charger

intended for 5V wall adapters. It utilizes a 1.5MHz

synchronous buck converter topology to reduce

power dissipation during charging. Low power

dissipation, an internal MOSFET and sense

resistor allow a physically small charger that can

be embedded in a wide range of handheld

applications. The CE3320 includes complete

charge termination circuitry, automatic recharge

and a ±1% float voltage. Input short-circuit

protection is included, so no blocking diode is

required.

Battery charge current, charge timeout and

end-of-charge indication parameters are set with

external components. Additional features include

shorted cell ection, temperature qualified

charging and overvoltage protection.

APPLICATIONS：

z Battery Back-Up Systems

z Tablets and Portable Mobile Internet Devices

z Netbook, Smartbook

z Portable Media Players

z IPod, iTunes, iPhone, iPad Docking

z Bluetooth speaker & 2.4G Wireless speaker

z Smart Phones

z Portable Data Capture Terminals

z Personal Medical Products

z Portable Instruments

z 3G/4G Wireless Routers

z 1.5MHz PWM/Linear Charger

z Low Power Dissipation

z 2A Maximum Charge Current

z No External MOSFETs, Sense Resistor or

Blocking Diode Required

z Battery Preconditioning/Constant

Current/Constant Voltage Charge Mode

z Precharge Conditioning for Reviving Deeply

Discharged Cells and Minimizing

Heat Dissipation During Initial Stage of

Charge

z Programmable Charge Current

Detection/Termination

z ±10%Charge Current Accuracy

z Preset Float Voltage with ±1%