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SS4036G

1/09/2006 Rev.3.01

ELECTRICAL CHARACTERISTICS (continued)

Parameter

Symbol

Min.

Typ.

Max

Unit

Description

Voltage Control

Precharge

Threshold

-

3.10

-

V

CC/CV Threshold

-

4.15

-

V

Switch to CV mode above this

value

Max Cell Voltage

-

4.25

-

V

Maximum cell voltage

Bad Battery

Threshold

-

0.5

-

V

Difference between V1 and V2

Temperature Sensing

Low Temp

Threshold

-

3.03

-

V

Upper limit of temperature-sense

voltage

High Temp

Threshold

-

1.53

-

V

Lower limit of temperature-sense

voltage

Resume Threshold

-

1.84

-

V

Threshold for resuming charging

Current Control

Precharge Current

-

20/Rsense

-

mA

See note 1 below.

Charge Current

-

1

00/Rsense

-

mA

See note 1 below.

Taper Current

-

20/Rsense

-

mA

See note 1 below. Fully c

harged if

the taper current is

below this value

Time Control

Max Charge Time

340

m

in

Maximum charging time allowed

Note 1: The SS4036G monitors charging current by sensing, at the input pin Isense (5), the voltage

drop across a sense resistor, Rsense - see the explanation on page 7.