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TEA1104

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

Philips Electronics 

Philips Semiconductors

Cost effective battery monitor and fast

charge IC for NiCd and NiMH chargers

Objective specification

TEA1104; TEA1104T

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134); note 1.

SYMBOL

VP

VoLED

ViNTC

Vi(OSC)

Vi(bat)

VRref

Isource

IoLED

IRref

Ibat

VP

Ptot

Tamb

Tj(max)

Tstg

PARAMETER

supply voltage

LED output voltage (pin 8)

negative temperature coefficient resistor

input voltage (pin 2)

oscillator input voltage (pin 7)

battery input voltage (pin 4)

reference resistor voltage (pin 5)

output source current

LED output current

reference resistor current

battery current

supply current

total power dissipation

operating ambient temperature

maximum operating junction temperature

storage temperature

CONDITIONS

Tamb = 70 °C

TEA1104

TEA1104T

MIN.

−0.5

−0.5

−0.5

−0.5

−0.5

−0.5

−3

−

−1

−1

−

−

−

−20

−

−55

MAX.

+13.2

VP

+5

+5

+5

+5

+0.01

25

+0.01

+1

25

0.5

0.35

+70

+150

+150

UNIT

V

V

V

V

V

V

mA

mA

mA

mA

mA

W

W

°C

°C

°C

Note

1. All voltages are measured with respect to ground; positive currents flow into the IC. The voltage ratings are valid

provided that other ratings are not violated; current ratings are valid provided that the power rating is not violated.

QUALITY SPECIFICATION

In accordance with “SNW-FQ-611 part E”. The numbers of the quality specification can be found in the “Quality

Reference Handbook”. The handbook can be ordered using the code 9397 750 00192.

1996 Feb 26

8

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