STEVAL-ISB003V1 STMicroelectronics, STEVAL-ISB003V1 Datasheet

STEVAL-ISB003V1

Manufacturer Part Number

STEVAL-ISB003V1

Description

BOARD DEMO USB LI-ION ST7260E2

Manufacturer

STMicroelectronics

Datasheet

1.STEVAL-ISB003V1.pdf (4 pages)

Specifications of STEVAL-ISB003V1

Main Purpose

Power Management, Battery Charger

Embedded

Yes, MCU, 8-Bit

Utilized Ic / Part

ST7FLIT15BY0, ST72F60E2

Primary Attributes

1 Cell- Li-Ion / Li-Pol, 5 V (USB Input)

Secondary Attributes

Product

Power Management Modules

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

497-8427

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Features

■

Description

This demonstration board is an USB based single

cell Li-Ion battery charger which consists of the

ST7260E2-based low-speed USB controller and

the ST7LIT15BY0-based battery charger.

This board includes a power selector circuit to

select the appropriate power supply source and a

step-up converter circuit based on the L6920

device to provide a fixed output voltage to the

USB controller. The power supply for the battery

charger controller is generated from TL1431

keeping in mind the accuracy requirement for

charging. An additional current-limiter is also

included in series with a USB power supply to

show any incorrect behavior using a status LED.

A provision is provided on demonstration board

such that any external low-speed USB controller

can control the charger operation, hence this

system can be used with any low-speed USB

controller.

The charger used in this demonstration board

utilizes a modified form of non-inverting

June 2008

For further information contact your local STMicroelectronics sales office.

Can be powered from USB connector

Available to work stand alone powered from

external power supply (5 V, 1 A)

Max. charging current 250 mA

Demonstration board on USB Li-Ion battery charger

based on the microcontroller ST7260E2

Rev 1

buckboost converter to support the charging

voltage requirement for single cell Li-Ion battery.

This converter is explained in more detail in

AN2390.

This demonstration board system is a complete

USB-based portable system which uses a single

cell Li-Ion in MP3 players for example.

There are separate ICP connectors provided on

the evaluation board to reprogram the USB

controller and charger controller.

STEVAL-ISB003V1

STEVAL-ISB013V1

Data Brief

www.st.com

1/4

Related parts for STEVAL-ISB003V1

STEVAL-ISB003V1 Summary of contents

Page 1

... The charger used in this demonstration board utilizes a modified form of non-inverting June 2008 For further information contact your local STMicroelectronics sales office. STEVAL-ISB003V1 based on the microcontroller ST7260E2 STEVAL-ISB013V1 buckboost converter to support the charging voltage requirement for single cell Li-Ion battery. This converter is explained in more detail in AN2390 ...

Page 2

... Block diagram 1 Block diagram Figure 1. USB battery charger 2 T_AIN2 SW1_PWM STEVAL-ISB003V1 ...

Page 3

... STEVAL-ISB003V1 2 Revision history Table 1. Document revision history Date 04-Jun-2008 Revision 1 Initial release. Revision history Changes 3/4 ...

Page 4

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 4/4 Please Read Carefully: © 2008 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com STEVAL-ISB003V1 ...

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