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Portable Solutions

Low Standby Current Battery Management for Extended Battery Life

FAULT

CFLG

V2P8

EN

VSNS

BAT

GND

ISEL TIMER

80 k

4.7 F

GND

15 nF

Microprocessor

4.7 F

0.1 F

4.1

3.7

3.5

3.3

2.9

2.7

2.5

0.2

0.48

0.32

0.24

9

.

3

1

.

3

0.28

0.44

0.36

0.40

Typical Application Circuit

Battery Drain Current versus Battery Voltage

Battery Management Circuits

Device

Description

Package

Key Features

NCP185

Up to 1 A Single-Cell Lithium-ion/Polymer Integrated CCCV Battery Charger

DFN-10

No External MOSFET

NCP185B

Up to 00 mA Single-Cell Lithium-ion/Polymer Integrated CCCV Battery Charger

DFN-10

No External MOSFET

NCP1800

Single-Cell Lithium-ion CCCV Battery Charger

Micro8™

Industry Leading Standby Current 0.5 μA, Adjustable Charge Current Limit

MC0/

Nickel Chemistry Battery Cradle Charger

SOIC-8

Peak Voltage Detection

Battery Protection Circuits

Device

Overvoltage Protection

MOSFET

Package

Ambient Operating

Temperature (°C)

UVLO (V)

OVP (V)

Logic

Overide

Vds (V)

Rdson max

(mW) @ 4.5 V

Type

Area (mm)

Height

(mm)

NUS05

.8

6.85

Yes

0

71

DFN

. x .

0.85

-0 to +85

NUS05

.8

6.85

Yes

0

66

DFN

. x .

0.85

-0 to +85

NUS06

5.5

Yes

0

66

DFN

. x .

0.85

-0 to +85

NUS10

.7

No

1

75

TDFN

.0 x .0

0.85

-0 to +85

NUS055

.8

6.85

Yes

0

66

TLLGA

.5 x .0

0.55

-0 to +85

NUS05

.5

Yes

0

66

TLLGA

.5 x .0

0.55

-0 to +85

NCP5

.6

6.85

Yes

NA

NA

SOT--5

.0 x .75

1.00

-0 to +85

NCP6

., 5.5

Yes

NA

NA

SOT--5

.0 x .75

1.00

-0 to +85

−

+

OUT

IN

GND

CNTRL

+

Logic

FET

Driver

Undervoltage

Lock Out

LOAD

AC/DC Adapter or

Accessory Charger

C1

Schottky

Diode

Microprocessor port

P−CH

Typical OVP Device Diagram

Integrated Overvoltage Protection for Battery and Charging Circuits