Linear Charger for 1Cell Li-ion Battery with System-path IC MM3538AL

• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.

• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.

10/25

1404-01.00

(Except where noted otherwise : Ta=25℃ , IN=5V )

Item

Symbol

Measurement

conditions

Min.

Typ.

Max.

Units

OSCILLATOR

Oscillation period

Ω

4.2

6.0

7.8

ms

Pre-charge timer(*8)

s

Total charge timer(*8)

6

s

USB DETECTION

D+/D− detection time(*8)

128

ms

D+/D− detection-sw release time(*8)

256

ms

Dead time of D+/D−detection(*8)

1

ms

DSW pin sink current ability

when DSW="L"

0.25

V

DSW pin source current ability(*8)

when DSW="H"

4.50

V

Bias at D+ pin(*8)

can source at least

150uA

0.475

0.600

0.700

V

D+ pin output current limit(*8)

D+=0V

1.5

mA

D−pin sink current(*8)

D−=0.5V

10

30

50

uA

D+ pin leakage current

not in detection mode

1

uA

D−pin leakage current

not in detection mode

1

uA

D+/D− comparator threshold

L → H

0.35

0.40

0.45

V

H → L

42

mV

(*8) Guaranteed by design

(Except where noted otherwise : Ta=25

℃ , IN=5V )

Item

Symbol

Measurement

conditions

Min.

Typ.

Max.

Units

OUTGOOD PIN

OUTGOOD threshold

BAT=L → H

2.89

2.95

3.01

V

BAT=H → L

0.15

V

LOGIC INPUT AND OUTPUT

Low level input voltage

SYSOFF, OCD,

SDA, SCL

0.4

V

High level input voltage

SYSOFF, OCD,

SDA, SCL

1.5

V

Built-in pull-down resistor value

SYSOFF, OCD

100

k

Ω

Open drain pin sink current ability

when Pin="L"

0.25

V

(*9) Guaranteed by design