EC49020

4D25N-Rev.P001

Page 1 of 11

High Efficiency 2A 1.5MHz

Single Cell Li-ion Battery Switching Charger

Part No.

Marking

Temp. Range

Package

Remark

EC49020XSMHR

EC49020XSMHT

49020

LLLLL

YYWWX

-40°C ~85°C

SOP 8L

(Exposed PAD)

1. LLLLL：LOT NO.

2. YYWW：Date code

EC49020BSMHR

EC49020BSMHT

49020

LLLLL

YYWWB

-40°C ~85°C

SOP 8L

(Exposed PAD)

1. LLLLL：LOT NO.

2. YYWW：Date code

General Description

The EC49020 is a 4.5-20V input, 2A single-cell synchronous Li-Ion battery switching charger, suitable for portable

application. The EC49020 integrates a synchronous PWM controller, 20V rating power MOSFETs, current sense resistor,

high-accuracy current and voltage regulation, and charge termination, into a compact 8-pin SOP(Expose PAD) package.

Features

◆ 1.5MHz Synchronous Switching Charger with Integrated Power FETs

◆ Up to 93% Efficiency

◆ 20V Input Rating with 6.7V OVP

◆ Programmable (2A Max) Charge Current

◆ Built-in Charge Current Soft Start

◆ Built-in Reverse Current Blocking Diode

◆ Built-in Charge Current Sense Resistor

◆ Output Short Circuit Protection

◆ Over Temperature Protection

◆ Available in a SOP8(Expose PAD) Package

Applications

◆ Tablet PC, Ebook and Netbook

◆ Handheld Portable Media Products

◆ Power Bank

Ordering Information

EC49020 XX XX X

R : Tape Reel

T :Tube

MH：SOP 8L (Exposed Pad)