Datasheet > EUP8092

EUP8092

更新时间： 2024-09-13 05:34:39

品牌	Logo	应用领域
德信 - EUTECH		/
页数	文件大小	规格书
15页	882K
描述
1.5A Linear Li-Ion/Polymer Charger IC with Integrated FET and Charger Timer

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EUP8092 数据手册

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EUP8092

1.5A Linear Li-Ion/Polymer Charger IC

with Integrated FET and Charger Timer

FEATURES

DESCRIPTION

Very Low Power Dissipation

The EUP8092 series are highly integrated single cell

Li-Ion/Polymer battery charger IC designed for handheld

devices. This charger is designed to work with various

types of AC adapters or a USB port and capable of

operating with an input voltage as low as 2.65V.

Accepts Multiple Types of Adapters or USB BUS

Power

Integrated Power FET and Current Sensor for Up

to 1.5A Charge Applications

The EUP8092 operates as a linear charger and charges the

battery in three phases: trickle current, constant current,

and constant voltage. When AC-adapter is applied, an

external resistor sets the magnitude of the charge current,

which may be programmed up to 1.5A with TDFN10

package and a current-limited adapter for lowest power

dissipation.

Guaranteed to Operate at 2.65V After Start-Up

Charge Termination by Minimum Current and

Time

Precharge Conditioning With Safety Timer

Reverse Leakage Protection Prevents Battery

Drainage

The EUP8092 features thermal regulation loop to control

charge current to keep safe operation when PCB lacked of

enough heat-sinking. A programmable charge timer

provides a backup safety for termination. The EUP8092

automatically re-starts the charge if the battery voltage

falls below an internal threshold and automatically enters

sleep mode when DC supplies are removed. No external

sense resistor or blocking diode is required for charging. A

NTC thermistor interface is used for charging the battery

in a safe temperature range.

Charge Current Thermal Regulation

Status Outputs for LED or System Interface

Indicates Charge and Fault Conditions

Optional Battery Temperature Monitoring Before

and During Charge

Automatic Sleep Mode for Low-Power

Consumption

Available in 3mm× 3mm TDFN-10 Package

RoHS Compliant and 100% Lead (Pb)-Free

APPLICATIONS

PDAs, Cell Phones and Smart Phones

Portable Instruments.

Stand-Alone Charger.

USB Bus Powered Charger.

Typical Application Circuit

Figure 1.

DS8092 Ver 0.2 July 2008

系：15999644579 83151715

12 3 4 5 6 7...15

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