General Description

SY6982E is a 3.6-5.5VIN, 2A two-cell synchronous

boost Li-Ion battery charger integrates 1MHz switching

frequency and full protection functions. The charge

current up to 2A can be programmed by using the

external resistor for different portable applications and

indicates the charger current information simultaneous.

It also has a programmable charge timeout for safety

battery charge operation and a programmable input

voltage threshold for adaptive input current limit.

SY6982E can disconnect output when there is output

short circuit or shutdown happens. It consists of 18V

rating FETs with extremely low ON resistance to

achieve high charge efficiency and simple peripheral

circuit design.

SY6982E along with small QFN3x3 footprint provides

small PCB area application.

Features

Low Profile QFN3x3 Package

Integrated Synchronous Boost with 18V Rating

Low RDSON FETs for High Charge Efficiency

Trickle Current / Constant Current / Constant

Voltage Charge Mode

Programmable Input Voltage Threshold for

Adaptive Current Limit.

Maximum 2A Constant Charge Curre t

Charge Current Information Indication.

Programmable Charge Timeout

Programmable Constant Charge Current

Selectable Constant Voltage

±0.5% Battery Voltage Accuracy

Thermal Regulation Pr tection

External Shutdown Function

Input Voltage UVLO and OVP

Over Temp rature Protection

Output Sho t Circuit Protection

Charge St tus Indication

Normal Synchronous Boost Operation When

Battery Removed

Applications

Cellular Telephones, PDA, MP3 Players, MP4

Players

Digital Cameras

Bluetooth Applications

PSP Game Players, NDS Game Players

Notebook