2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

CHG-IN

−0.3V to +6.5V

BATT, VB

CHG, EN, BIPB, StopModeEN

−0.3V to +6V

Junction Temperature

150˚C

Storage Temperature

−65˚C to +150˚C

Power Dissipation (Note 3)

1.76W

ESD (Note 4)

Human Body Model

Machine Model

2kV

200V

CHG-IN

3.0V to 6.0V

EN, BIPB, StopModeEN

0V to (V

Junction Temperature, T

J

−40˚C to +125˚C

Operating Temperature, T

A

−40˚C to +85˚C

Thermal Resistance,

θ

JA

37˚C/W

Maximum Power Dissipation

(T

1.08W

Electrical Characteristics

Unless otherwise noted, V

mal type apply for T

T

Symbol

Parameter

Conditions

Typical

Limit

Units

Min

Max

V

V

CHG-IN

Input Voltage Range

4.5

6

V

Operating Range

Battery Connected

4.5

6

I

BATT

Battery Leakage Current

V

CHG-IN

≤ 4V

2

20

µA

EOC = Low, adaptor connected,

V

BATT

= 4.1V

50

150

µA

V

OK−TSHD

Adapter OK Trip Point (CHG-IN)

V

60

mV

V

50

mV

V

UVLO−TSHD

Under Voltage Lock-out Trip

Point

V

4.15

3.8

4.5

V

V

3.95

3.6

4.3

V

V

OVLO−TSHD

Over Voltage Lock-out Trip Point

V

5.9

V

V

5.7

Thermal Shutdown Temperature

(Note 7)

160

˚C

Thermal Shutdown Hysteresis

20

˚C

BATTERY CHARGER — Li ION MODE (MODE = LOW)

I

CHG

Fast Charge Current Range

500

950

mA

Fast Charge Current Accuracy

−10

+10

%

Programmable Charging Current

Step

50

mA

I

PRE-CHG

Pre-Charge Current

V

50

65

mA

I

EOC

End Of Charge Current Accuracy For I

+20

−20

%

V

BATT

Battery Regulation Voltage

(For 4.1V Cell) (Default State)

T

I

4.1

4.059

4.141

V

T

I

4.1

4.038

4.162

Battery Regulation Voltage

(For 4.2V Cell)

T

I

4.2

4.158

4.242

T

I

4.2

4.137

4.263

V

CHG-Q

Full Charge Qualification

Threshold

V

Pre-Charge to Full Current

3.0

V

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