MP26058-28V, 1A LI + LINEAR BATTERY CHARGER WITH TIMER AND LDO MODE

MP26058 Rev. 0.91

www.MonolithicPower.com

2

1/25/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2010 MPS. All Rights Reserved.

PACKAGE REFERENCE

TOP VIEW

IN

ACOK

CHG

TMR

GND

1

2

3

4

5

BATT

NTC

ISET

IBF

SHDN

10

9

8

7

6

EXPOSED PAD

ON BACKSIDE

Part Number*

Package

Temperature

MP26058DQ

QFN10

(3mm x 3mm)

–40

°C to +85°C

For RoHS compliant packaging, add suffix –LF

(eg. MP26058DQ–LF–Z)

IN to GND .................................... –0.3V to +28V

All Other Pins to GND................. –0.3V to +6.5V

ACOK & CHG Maximum Sink Current…20mA

Junction Temperature...............................140

°C

Lead Temperature ....................................260

°C

Storage Temperature ..............–65°C to +150

°C

Recommended Operating Conditions

(2)

Operating Temperature .............–40

°C to +85°C

Thermal Resistance

(3)

3x3 QFN10 ............................. 50 ...... 12...

°C/W

Notes:

1) Exceeding these ratings may damage the device.

2) The device is not guaranteed to function outside of its

operating conditions.

3) Measured on JEDEC51-7 4 layer board..

ELECTRICAL CHARACTERISTICS

Parameter

Symbol Condition

Min

Typ

Max

Units

Supply Current

30

µA

500

Battery Voltage Regulation

4.16

4.20

4.24

V

Constant Current

Regulation

448

515

582

mA

Constant Current Variation

87

100

113

%ICHG

(4)

Battery Full Programming

Range

Refer to Operation section for

programming IBF

10

50

%ICHG

(4)

IBF Accuracy

75

125

%IBF(5)

Input OVP

6.7

7

7.3

V

OVP Hysteresis

400

mV

Input UVLO

1.6

2.2

2.8

V

UVLO Hysteresis

100

mV

Input ACOK Up Range

6.7

7

7.2

V

ACOK & CHG Over

Voltage Clamp

7.6

V