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1996 Feb 26 3
Philips Semiconductors Objective specification
Cost effective battery monitor and fast
charge IC for NiCd and NiMH chargers
TEA1104; TEA1104T
BLOCK DIAGRAM
handbook, full pagewidth
MGE354
SAMPLE-
AND-HOLD
FILTER
BATTERY
FULL
DETECTOR
OR
OR
SUPPLY
MODE
LATCH
OSCILLATOR
TIMER
fast
trickle
CONTROL
battery high
protection
battery low
protection
T
max
T
min
T
cut-off
trickle
TO
4
6
2
7
1
8
5
3
R
ref
V
S
V
P
V
bat
NTC OSC
LED
GND
POR
TEA1104
TEA1104T
Fig.1 Block diagram.