Datasheet > ML5243-002TD(Taping)

ML5243-002TD(Taping)

更新时间： 2024-04-09 18:58:15

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
28页	677K
描述
3 to 5-cells supported, cell voltage, current, temperature,open wire protection LSI Overvoltage

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FEDL5243-05

January 9, 2024

ML5243

5-Series Cell Li-ion Rechargeable Battery Protection IC

■ General Description

The ML5243 is a protection IC for the 5-cell Li-ion rechargeable battery pack. It detects individual cell

overvoltage/undervoltage and the pack overcurrent/over-temperature, and its output signal indicates

charge/discharge enable. And it has open-wire detection function of battery connection wire.

■ Features

• 3 to 5 cell high-precision overvoltage and undervoltage detection function

Voltage detecting function for individual cells

Overvoltage detection threshold

2^ndovervoltage detection threshold

Undervoltage detection threshold

4.225 V, Detection accuracy: ±25 mV (0 to 60°C)

4.325V,

2.0 V,

Detection accuracy: ±35 mV (0 to 60°C)

Detection accuracy: ±50 mV (0 to 60°C)

• Overcurrent detection function

Discharge overcurrent detection threshold

Charge overcurrent detection threshold

Short circuit detection threshold

70 mV,

-30 mV,

Detection accuracy: ±15 mV (0 to 60°C)

300 mV, Detection accuracy: ±20 mV (0 to 60°C)

• Temperature detection function

: With external NTC (10 k, B=3435) and 4.7 k resistor

Discharge inhibition temperature: detection 70 °C or higher, release 65 °C or lower

Charge inhibition temperature : detection -5 °C or lower/50°C or higher, release 0 °C or higher/45°C

or lower

• Detection delay timer built-in

Overvoltage/undervoltage detection delay time : 2sec

2^ndovervoltage detection delay time

Open-wire detection delay time

: 8sec

: 3.6sec

TEST MODE reduces each detection delay time as 0.1sec by controlling the TEST pin input.

• Three type of charge/discharge enable signal output/

Selected from CMOS / Nch open drain / Pch open drain (high voltage tolerant output)

• Detection voltages and detection delay times are modified by product code.

• Low current consumption (-40 to 85°C)

Normal operation state : 4.5 µA (typ.), 10 µA (max)

Power-down state

: 0.1 µA (typ.), 1.0 µA (max)

• Supply voltage

: +5 V to +25 V

• Operating temperature

• Package

: -40°C to +85°C

: 20-pin TSSOP

■ Application

・Power tools and Garden tools

・Cordless Cleaner

■ Part number

ML5243-xxxTD (xxx: code number)

The detection voltage, etc., depends on the code number.

The parameters for the 001 code are listed in this data sheet.

Please refer to the code list for codes other than 001.

1/28

12 3 4 5 6 7...28

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