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TEA1104T 반도체 회로 부품 판매점

Cost effective battery monitor and fast charge IC for NiCd and NiMH chargers



NXP Semiconductors 로고
NXP Semiconductors
TEA1104T 데이터시트, 핀배열, 회로
INTEGRATED CIRCUITS
DATA SHEET
TEA1104; TEA1104T
Cost effective battery monitor and
fast charge IC for NiCd and NiMH
chargers
Objective specification
File under Integrated Circuits, IC03
1996 Feb 26


TEA1104T 데이터시트, 핀배열, 회로
Philips Semiconductors
Cost effective battery monitor and fast
charge IC for NiCd and NiMH chargers
Objective specification
TEA1104; TEA1104T
FEATURES
Accurate detection of fully charged batteries by
currentless peak voltage sensing
Switch-over from fast to safe trickle charge current at
battery full detection
Fast charge termination back-up by maximum time and
maximum temperature detection
Several trickle charge drive possibilities for mains
isolated and non-mains isolated systems
Battery checking to protect against short-circuited and
open batteries
Battery monitor allows recharging of different battery
packs in the same charger
Dual LED indicator provision
External regulator not required because of large input
voltage range
Few low cost external components required.
APPLICATIONS
Portable telephone
Portable computer
Portable audio
Portable video.
GENERAL DESCRIPTION
The TEA1104 is manufactured in a BiCMOS process
intended to be used as a battery monitor circuit in charge
systems for NiCd and NiMH batteries. It is especially
designed for cost effective compact consumer
applications.
The circuit is able to detect fully charged batteries by
currentless battery voltage sensing. Several output drive
functions are available to control the (reduced) trickle
charge current to keep the batteries full with maximum life
expectations.
The battery full detection is backed up by two independent
mechanisms to make the system fail safe; maximum time
and maximum temperature.
QUICK REFERENCE DATA
SYMBOL
VP
IP
Vbat
Vbat/Vbat
Ibat
Vbat(l)
Vbat(h)
fosc
PARAMETER
CONDITIONS
supply voltage
supply current
outputs off
voltage range of battery full detection
voltage peak detection level with
respect to top value
battery monitor input current
battery voltage protection low
battery voltage protection high
oscillator frequency
MIN.
5.45
0.81
TYP.
0.25
MAX.
11.5
3
3.6
UNIT
V
mA
V
%
− − 1 nA
0.81 0.91 V
3.5 3.6
V
10
100 kHz
ORDERING INFORMATION
TYPE
NUMBER
TEA1104
TEA1104T
NAME
DIP8
SO8
PACKAGE
DESCRIPTION
plastic dual in-line package; 8 leads (300 mil)
plastic small outline package; 8 leads; body width 3.9 mm
VERSION
SOT97-1
SOT96-1
1996 Feb 26
2




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TEA1104T battery

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TEA1104

Cost effective battery monitor and fast charge IC for NiCd and NiMH chargers - NXP Semiconductors



TEA1104T

Cost effective battery monitor and fast charge IC for NiCd and NiMH chargers - NXP Semiconductors