STEVAL-ISB002V1 STMicroelectronics, STEVAL-ISB002V1 Datasheet

BOARD EVAL DGTL BATT CHGR DESIGN

STEVAL-ISB002V1

Manufacturer Part Number
STEVAL-ISB002V1
Description
BOARD EVAL DGTL BATT CHGR DESIGN
Manufacturer
STMicroelectronics
Datasheet

Specifications of STEVAL-ISB002V1

Main Purpose
Power Management, Battery Charger
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
ST72F324
Primary Attributes
1 Cell- Li-Ion, 2 Cells- NiMH, 5 V Input
Secondary Attributes
LED Status Indicator, Deep Discharge, Precharge, Thermal Shutdown
Product
Power Management Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-6421
STEVAL-ISB002V1
Features
Description
The STEVAL-ISB002V1 is a universal battery
charger (UBC) demonstration board based on the
ST72F324L microcontroller.
The charger used in this demonstration board
uses a modified form of a non-inverting buck-
boost converter to support the charging voltage
requirement for single-cell Li-ion batteries.
The board includes a 3.3 V power supply
generated from a KF33 regulator and a precision
reference voltage generated from the TL1431,
bearing in mind the accuracy requirement for
charging. A status LED is used to show the
charging status.
This demonstration board is capable of charging
single cell Li-ion batteries with in-built NTC or a 2-
cell NiMH battery from a 5 V supply. The firmware
is easily upgradeable and can be modified for
other ST7 microcontrollers depending on
application requirements.
November 2010
For further information contact your local STMicroelectronics sales office.
1 % measurement accuracy
Firmware easily upgradeable
Li-ion battery or 2-cell NiMH batteries
5 V supply
RoHS compliant
High efficiency step-down controller demonstration board with
embedded 2 A LDO regulator based on the ST72F324L
Doc ID 18257 Rev 1
STEVAL-ISB002V1
STEVAL-ISB002V1
www.st.com
Data brief
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STEVAL-ISB002V1 Summary of contents

Page 1

... Li-ion battery or 2-cell NiMH batteries ■ supply ■ RoHS compliant Description The STEVAL-ISB002V1 is a universal battery charger (UBC) demonstration board based on the ST72F324L microcontroller. The charger used in this demonstration board uses a modified form of a non-inverting buck- boost converter to support the charging voltage requirement for single-cell Li-ion batteries ...

Page 2

... Circuit schematic 1 Circuit schematic Figure 1. Circuit schematic FRON PWM-2 PWM Doc ID 18257 Rev 1 STEVAL-ISB002V1 3 2 OSC1 LED1 ICCCLK AIN14 ICCDAT 4 PB (HS AIN0 AIN1 32 9 ...

Page 3

... STEVAL-ISB002V1 2 Revision history Table 1. Document revision history Date 19-Nov-2010 Revision 1 Initial release. Doc ID 18257 Rev 1 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 - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 4/4 Please Read Carefully: © 2010 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 18257 Rev 1 STEVAL-ISB002V1 ...

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