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LC05111CMT

Battery Protection IC for 1-Cell Lithium-Ion with Integrated Power MOSFET

ON Semiconductor 

Battery Protection IC for

1-Cell Lithium-Ion with

Integrated Power MOSFET

LC05111CMT 

Overview

The LC05111CMT is a protection IC for 1−cell lithium−ion

secondary batteries with integrated power MOSFET. Also it integrates

highly accurate detection circuits and detection delay circuits to

prevent batteries from over−charging, over−discharging, over−current

discharging and over−current charging.

A battery protection system can be made by only LC05111CMT and

few external parts.

Features

• Charge−and−discharge Power MOSFET are Integrated at

Ta = 25_C, VCC = 4.5 V

♦ ON Resistance (total of charge and discharge) 11.2 mW (typ)

• Highly Accurate Detection Voltage/Current at Ta = 25°C, VCC = 3.7 V

♦ Over−charge Detection

±25 mV

♦ Over−discharge Detection

±50 mV

♦ Charge Over−current Detection ±0.7 A

♦ Discharge Over−current Detection ±0.7 A

• Delay Time for Detection and Release (fixed internally)

• Discharge/Charge Over−current Detection is Compensated for

Temperature Dependency of Power FET

• 0 V Battery Charging

: “Permission”

• Auto Wake−up Function Battery Charging: “Permission”

• Over Charge Detection Voltage : 4.0 V to 4.5 V (5 mV steps)

• Over Charge Release Hysteresis : 0 V to 0.3 V (100 mV steps)

• Over Discharge Detection Voltage : 2.2 V to 2.7 V (50 mV steps)

• Over Discharge Release Hysteresis at Auto Wake−up : 0 V to 0.6 V

(200 mV steps)

• Over Discharge Release Hysteresis : 0 V to 0.075 V (25 mV steps)

• Discharge Over Current Detection : 2.0 A to 8.0 A (0.5 A steps)

• Charge Over Current Detection : −8.0 A to −2.0 A (0.5 A steps)

Typical Applications

• Lithium Ion Battery Protection

www.onsemi.com

WDFN6 2.6x4.0, 0.65P,

DUAL FLAG

CASE 511BZ

MARKING DIAGRAM

XXXXX

AYWWG

XXXXX = Specific Device Code

A

= Assembly Location

Y

= Year

WW = Work Week

G

= Pb−Free Package

(Note: Microdot may be in either location)

*This information is generic. Please refer to

device data sheet for actual part marking.

ORDERING INFORMATION

See detailed ordering and shipping information on page 15 of

this data sheet.

© Semiconductor Components Industries, LLC, 2017

1

September, 2019 − Rev. 13

Publication Order Number:

LC05111CMT/D

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