Philips Semiconductors

Product data

NE57610

Li-ion battery charger control

with adjustable thresholds

2002 Nov 05

5

DC ELECTRICAL CHARACTERISTICS

Characteristic of the NE57610Y.

SYMBOL

PARAMETER

CONDITIONS

Pin

Min.

Typ.

Max.

UNIT

Supply current

18

–

5.0

7.0

mA

Reference voltage

5

–

1.207

–

V

AC Adaptor detection voltage L

20

2.35

2.45

2.55

V

AC Adaptor detection voltage L

Hysteresis voltage

20

50

100

150

mV

AC Adaptor detection voltage H

20

6.1

6.3

6.5

V

AC Adaptor detection voltage H

Hysteresis voltage

20

50

100

150

mV

Impedance for AC Adaptor detection

output L

20

–

30

–

k

Ω

BAT pin leakage current

13, 14,

15

–

–

1

µA

BAT pin output voltage

13

4.070

4.100

4.130

V

DRV pin output voltage

17

–

–

0.5

V

ON/OFF pin input current

1

40

60

80

µA

ON/OFF pin input voltage H

ON/OFF: OFF

1

0.6

–

1.20

V

ON/OFF pin input voltage L

ON/OFF: ON

1

–

–

0.25

V

RESET pin input current

2

40

60

80

µA

RESET pin input voltage H

Charge control circuit: OFF

2

0.6

1.20

V

RESET pin input voltage L

Charge control circuit: ON

2

0.25

V

Current limit 1

Quick charge

14, 15

0.20

0.22

0.24

V

Current limit 2

Pre-charge

14, 15

21

26

31

mV

Full charge detection

14, 15

13

18

23

mV

Undervoltage voltage detection voltage

13

1.90

2.00

2.10

V

Low voltage detection voltage Hysteresis

voltage

13

25

50

100

mV

Pre-charge detection voltage

13

2.80

2.90

3.00

V

Pre-charge detection voltage Hysteresis

voltage

13

25

50

100

mV

Re-charge detection voltage

13

3.85

3.90

3.95

V

Overvoltage detection voltage

13

4.30

4.35

4.40

V

Battery temperature detection voltage H

Low temperature 3

°C ± 3 °C

detection

12

0.835

0.860

0.885

V

Battery temperature detection voltage L1

High temperature 43

°C ± 3 °C

detection (charging start)

12

0.390

0.413

0.435

V

Battery temperature detection voltage L2

High temperature 50

°C ± 3 °C

detection (during charging)

12

0.335

0.353

0.370

V

IT

TDET input bias current

12

–

30

150

nA

R_LED pin output voltage

ILEDR = 10 mA

22

–

–

0.4

V

G_LED pin output voltage

ILEDG = 10 mA

21

–

–

0.4

V

∆T

Timer error time

Not including external

deviation (Note 2)

21, 22

–10

–

10

%

NOTES:

1. Current limits 1 and 2 and full charge detection are specified as current detection resistor voltage drop.

2. Use a capacitor with good temperature characteristics in the oscillator. Capacitor deviation will contribute to timer error.