TEA1104 Philips Semiconductors, TEA1104 Datasheet - Page 7

• Manufacturer Part Number: TEA1104
• Description: Cost effective battery monitor and fast charge IC for NiCd and NiMH chargers
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1996 Feb 26
Cost effective battery monitor and fast
charge IC for NiCd and NiMH chargers
(1) V
(2) For single LED application see Fig.7, for dual LED
(3) V
(4) Release via reset.
(5) T
application see Fig.6.
inhibit via pin V
T
bat
bat
min
cut-off
handbook, full pagewidth
< 0.81 V due to empty or flat battery.
> 3.6 V due to system occurrence or an external
= V
= V
NTC
NTC
2 V; Tmax = V
bat
0.81 V.
.
I DDmax = 25 mA
clamp at 11.5 V
circuit active
V s
NTC
11.5 V
yes
1 V;
no
Fig.5 Flow chart of the TEA1104.
set TIME OUT (e.g. 111 min)
set T cut-off (e.g. 55
0.81 V
set T max (e.g. 48
T min
6.2 V
T min (e.g. 20
- V bat
total reset logic
or T bat
or T bat
FULL
FULL
V bat
trickle charge
OFF
FAST charge
OFF
t dis
circuit active
dual LED
indication
dual LED
indication
I fast / 40
(note 5)
(note 1)
(note 2)
START
T bat
V bat
and
V s
and
3% TO
0.81 V
yes
yes
yes
yes
yes
yes
yes
0.25%
FAST
blinks
FAST
T max
T min
ON
11.5 V
T max
3.6 V
o
C)
o
o
C)
C)
7
no
no
no
no
no
no
FAST
FAST
blinks
ON
(note 3)
circuit non-active
I DD
V s
TIME OUT
5.25 V
battery is FULL
45 A
FULL
FULL
OFF
trickle charge
ON
open battery
yes
stop charge
total reset
dual LED
indication
dual LED
indication
I fast / 40
(note 4)
(TO)
yes
yes
yes
FAST
FAST
OFF
OFF
111 min
no
no
TEA1104; TEA1104T
no
FAST
OFF
FAST
blinks
Objective specification
T bat
(TCO)
55
o
C
MGE359
no