Datasheet > ML5204-001TD(Taping)

ML5204-001TD(Taping)

更新时间： 2024-04-09 18:58:35

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
36页	932K
描述
Cell voltage, current　measurement overvoltage, undervoltage detection charge/discharge overcurrent detection short current detection wake-up detection cell balance switch built-in microcontroller Interface：I²C

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FEDL5204-03

January 9, 2024

ML5204

Analog Front-End IC for 4 to 5-Serial-Cell Lithium-Ion Rechargeable Battery Protection

■ General Description

The ML5204 is an analog front-end type battery monitoring LSI for a host controller in 4- to 5-cell Li-ion

rechargeable battery packs. It outputs individual analog cell voltages and pack current equivalent voltage, while

cell balancing, overvoltage/undervoltage detection, and overcurrent detection functions are integrated for

configuring high-precision/high-reliability battery management systems.

■ Features

• Supported number of cells: 4 to 5 cells

• Analog cell voltage output: Individual analog cell voltage is divided by 2 and output on the VMON pin.

• Analog pack current output: The voltage across the shunt resistor is amplified by x12 or x24 and output

on the IMON pin

• Cell balancing function: Built-in cell balancing switches with a 6Ω (typ) ON resistance

• Overvoltage/undervoltage detection function:

Overvoltage detection accuracy

2nd overvoltage detection accuracy

Undervoltage detection accuracy

: ±20 mV (25 °C)

: ±35 mV (25 °C)

: ±50 mV (25 °C)

Zero voltage (0-V) charge inhibit detection accuracy : ±50 mV (25 °C)

• Charge/discharge overcurrent detection function

Discharge overcurrent detection accuracy

Charge overcurrent detection accuracy

: ±10 mV (25 °C)

• Short-Circuit detection function:

Short-circuit detection accuracy

: ±10 mV (25 °C)

• Wake-up detection function: Asserts an interrupt signal to the external MCU when a predefined discharge

current is detected.

• Cell count, detection thresholds and delay times can be redefined and supplied under a separate product

code

• MCU interface: I2C compatible serial interface

• Low current consumption

Cell voltage/current monitor active

Cell voltage/current monitor inactive

14 μA (typ), 50 μA (max)

6 μA (typ), 10 μA (max)

• High voltage supply input

• Operating power supply range

• Operating temperature

• Package

+53 V (absolute maximum rating)

+3.3 V to +42 V

-40 °C to +85 °C

20-pin TSSOP

■ Application

・Power tools and Garden tools

・Cordless Cleaner

■ Part number

ML5204-001TD

1/36

12 3 4 5 6 7...36

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