STEVAL-ISA076V2 datasheet(1/4 Pages) STMICROELECTRONICS

部件名	STEVAL-ISA076V2

功能描述	USB compatible battery charger demo board with integrated power switch for Li-Ion/Li-Polymer based on the L6924U

PDF	4 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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Data brief

For further information contact your local STMicroelectronics sales office.

February 2011

Doc ID 18138 Rev 1

1/4

4

STEVAL-ISA076V2

USB compatible battery charger demo board with integrated

power switch for Li-Ion/Li-Polymer based on the L6924U

Features

■ Operating input voltage up to 12 V

■ Fully integrated solution with power MOSFET,

reverse blocking diode, sense resistor, and

thermal control

■ AC adapter or USB mode selection

■ Programmable charge current for both AC

adapter and USB power sources separately

■ Low power/high power selection in USB mode

■ Both linear and quasi-pulse operation

■ 4.2 V preset charge voltage (±1 % accuracy)

■ Programmable termination current

■ Programmable charge timer

■ Status outputs to drive LEDs or host processor

interface

■ Battery absence detection

■ Closed loop thermal control

■ NTC or PTC thermistor interface for battery

temperature monitoring and protection

■ RoHS compliant

Description

The STEVAL-ISA076V2 demonstration board is

based on the L6924U which is a fully monolithic

battery charger dedicated to single-cell Li-

Ion/Polymer battery packs. It is the ideal solution

for space-limited applications, such as PDAs,

handheld equipment, cellular phones, and digital

cameras.

When an external voltage regulated adapter or

USB port is used, the L6924U works in linear

mode, and charges the battery in a constant

current/constant voltage (CC/CV) profile.

Moreover, when a current-limited adapter is used,

the device can operate in Quasi-Pulse Mode,

dramatically reducing the power dissipation.

STEVAL-ISA076V2

www.st.com

类似零件编号 - STEVAL-ISA076V2

制造商	部件名	数据表	功能描述
STMicroelectronics	STEVAL-ISA076V1	85Kb / 4P	Both linear and quasi-pulse operation 03-May-2011

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