User's Manual

s
e
Centre de Saint Christophe - URD 37
TELEPHONIE MOBILE
MOBILE PHONES
Ref. : SCT TMO MASV2 SPEC 14 M
Date : 04/03/03
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MO130 module for mobile applications
This document contains information on a product under development. SAGEM reserves the right to change or discontinue this product
without notice.
4 - Dynamic output template
An external device is controlling the battery charge by means of a switch S1, which can be switched on and
off.
Following templates shows the output current and voltage during transients, this feature is very important to
enable the charging control by controlling S1 (PWM).
5 - Reverse current (main off)
Main off or unplug, the current flowing from the battery to the charger have to stay smaller than « Ir » in order
to prevent discharge !
Ir < 100µA for VBAT ≤ 5V
3.13.8.3 Thermal ratings
The heating of the enclosure will comply with EN 60950 § 5-1
Tab. 16 - part 2.
3.13.9 Simple battery charger
3.13.9.1 Operating temperature
0°C to +55°C.
BATTERY CHARGER
0V <VBAT< 5V
V
s
I
s
S1
I
s
(dynamic)
Time
5A Max
5ms Max
S1 is
switched on
VALID AREA
Ripple : +/- 50m
A
V
s
(dynamic)
Time
20V Ma
x
0.2ms Max
S1 is
switched off
VALID AREA
TBD