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ST3S01PHD Datasheet

  • ST3S01PHD

  • BATTERY CHARGE I.C.

  • 17頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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ST3S01PHD
BATTERY CHARGE I.C.
s
s
s
s
s
s
s
s
DEDICATED I.C. FOR 1 LI-ION CELL OR 3
NI-MH CELLS
5 DIFFERENT OPERATING MODES
150 mA PRECHARGE CURRENT
VERY LOW DROP CHARGE SWITCH
(130mV @ 800mA)
VERY LOW DROP REVERSE SWITCH
(130mV @ 800mA)
5.7V OVER BATTERY OVER VOLTAGE
PROTECTION
CHARGER DETECTION MODE
(V
CHARGE
-V
BATT
) DETECTION MODE
SO-8
exposed pad
DESCRIPTION
This specification describes a dedicated I.C.
which allows to charge 1 Lilon cell or 3 Nimh cells.
The principle used to charge the batteries is the
pulsed current, the monitoring is operated by the
micro-controller of the application. This IC
integrates one Power Switch and achieves the
charge batteries in two different modes charge or
precharge.
One of this operating mode (charge or precharge)
can be selected in a static or pulsed way by one I/
O from a micro-controller. The IC can supply
power to accessories controlled by this I.C. in
Reverse mode. The I.C. is available in the smaller
and surface mounted SO-8 (exposed pad version)
package.
SCHEMATIC DIAGRAM
September 2003
1/17

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