AAT3663-4.2-2 datasheet(8/23 Pages) ANALOGICTECH

Part #	AAT3663-4.2-2

Description	1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications

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Manufacturer	ANALOGICTECH [Advanced Analogic Technologies]

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AAT3663

1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications

BatteryManager

TM

PRODUCT DATASHEET

8

3663.2008.01.1.2

www .analogictech.com

AAT3663

1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications

BatteryManager

TM

PRODUCT DATASHEET

8

3663.2008.01.1.2

www .analogictech.com

Typical Characteristics—Single Cell 4.2V

End of Charge Voltage Accuracy vs. Input Voltage

(VBAT_EOC = 4.2V)

Input Voltage (V)

-0.100

-0.075

-0.050

-0.025

0.000

0.025

0.050

0.075

0.100

4

5

6

7

8

9

10

11

12

13

14

End of Charge Voltage vs. Temperature

Temperature (°C)

4.180

4.185

4.190

4.195

4.200

4.205

4.210

4.215

4.220

-40

-15

10

35

60

85

Recharge Threshold Voltage vs. Input Voltage

Input Voltage (V)

4.080

4.085

4.090

4.095

4.100

4.105

4.110

4.115

4.120

4

5

6

7

8

9

10

11

12

13

14

Recharge Voltage vs. Temperature

(VIN = 5V; RSET = 8.87k

Ω

Ω)

Temperature (ºC)

4.06

4.07

4.08

4.09

4.10

4.11

4.12

4.13

4.14

-40

-15

10

35

60

85

Charging Current vs. Battery Voltage

(RSET = 8.87K

Ω

Ω)

Battery Voltage (V)

0

30

60

90

120

150

180

210

240

2.3

2.5

2.7

2.9

3.1

3.3

3.5

3.7

3.9

4.1

4.3

VIN = 13.2V

VIN = 12V

VIN = 5V

VIN = 9.5V

VIN = 7.5V

Charging Current vs. Battery Voltage

Battery Voltage (V)

0

200

400

600

800

1000

1200

2.5

2.7

2.9

3.1

3.3

3.5

3.7

3.9

4.1

4.3

RSET = 8.87K

Ω

RSET = 2.21K

Ω

RSET = 3.57K

Ω

RSET = 1.78K

Ω

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