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LA5619M

Lead Battery Charger IC with Battery Voltage Detection Function

SANYO -> Panasonic 

LA5619M

Operating Characteristics at Ta = 25°C, VCC = 9 V, Batt. IN = 4 V

Parameter

[Charge System]

Charge voltage (when trickle is selected)

Charge voltage (when cycle is selected)

Differential charge voltage

Cycle → trickle switching current

Trickle → cycle switching current

Output peak current

Line regulation (when trickle is selected)

Line regulation (when cycle is selected)

Load regulation (when trickle is selected)

Load regulation (when cycle is selected)

Current drain

CHG DET, OUT remaining voltage

CHG DET, OUT leak voltage

CHARGE detection current

VCC DET remaining voltage

VCC DET leak voltage

VCC DET detection voltage

VCC DET hysteresis width

[Battery System]

Battery detection voltage

VBatt DET OUT1 pin’s remaining voltage

VBatt DET OUT1 pin’s leak current

Current drain when detection circuit is off

Current drain when detection circuit is on

Current drain during Battery SAVE

VBatt DET OUT2 pin’s remaining voltage

[Internal Transistors for Reset]

REST OUT remaining voltage

REST OUT leak current

[VBatt CTRL Pin]

Threshold voltage

VBatt CTRL pin input current

Symbol

Conditions

VO1 IO = 10 mA

VO2 IO = 50 mA

Vdif ∆VO = VO2 – VO1

ICT1

ICT2

IOP

RL = 33 Ω

VOLN1 VCC = 8 to 14.5 V, IO = 10 mA

VOLN2 VCC = 8 to 14.5 V, IO = 50 mA

VOLD1 IO = 0.5 to 30 mA

VOLD2 IO = 50 to 60 mA

ICC1 IO = 0 mA

ICC2 IO = 50 mA (ICC2 includes IO)

ICC3 RL = 33 Ω (ICC3 includes IO)

VCHG-LED IIN = 40 mA

ICHG-LED VIN = 9 V

ICHG-DET1 on → off

ICHG-DET2 off → on

VDET IIN = 40 mA

IDET VIN = 9 V

VCC-DET

VCC-DET, HYS

VBatt

VBAT-OUT1 IIN = 40 mA

IBAT-OUT1 VIN = 5 V

IOFF batt = 2.5 V

ION No load

ISAVE VBatt CTRL = 4 V

VBAT-OUT2 IIN = 40 mA

VREST

IREST

REST.IN = 2 µA, IIN = 50 µA

VIN = 5 V

VBatt-CTRL

IBatt-CTRL VIN = 4 V

Pin Assignment

Recommended

board mounting

Independent IC

Copper plating 180 mm2

Board material: Paper phenol t = 1.5 mm

Ratings

Unit

min

typ

max

4.4

4.7

0.2

20

35

112.5

0.15

0.8

4.95

0.05

4.6

4.7

V

4.9

5.0

V

0.3

0.4

V

23

26 mA

41

47 mA

125

137.5 mA

50

100 mV

100

150 mV

50

100 mV

100

150 mV

6

10 mV

65

73 mA

155

175 mA

1.1

1.3

V

200

nA

0.25

0.35 mA

1.0

1.2 mA

1.1

1.3

V

200

nA

5.2

5.3

V

0.1

0.2

V

3.17

3.3

3.43

V

0.3

0.5

V

200

nA

5

6

µA

350

500

µA

20

30

µA

1.1

1.3

V

0.3

0.5

V

200

nA

1.10

1.27

1.50

V

17

24

µA

Operating temperature, Ta — °C

No. 5673-2/8

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