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MCU Control type lineup

  White
paper
Description Supply
Voltage
(V)
Cell
Voltage
Measurement
Error
(Typ)(mv)
Monitoring
Output
Charge/
Discharge
Control
FET driver
Cell
Balancing
Switch
Current
Consumption
Operating
(Typ)(µA)
Current
Consumption
Power
down
(Typ)(µA)
Over
voltage
Under
voltage
Detection
Chrage
and
Dischrage
Over-Current
Detection
Short
Circuit
Detection
Parameter
Change
Operation
Temperature
(°C)
PKG Halogen
Free
Support*1
Sample
and
Buy
  • *1 : A check mark of halogen free support means that we will be able to ship out the halogen free products. For details, please inquire to the sales.
  • NRND :Not Recommended for New Designs

Overview

The MCU Control type of battery monitoring LSI
  • The MCU Control type battery monitoring LSI measures voltage, current, and temperature with high accuracy. And it protects the battery pack with control by an external microcontroller.

  • It measures the voltage of each cell, charge/discharge current, and temperature, and the external microcontroller detects overvoltage, under voltage, overcurrent, and high or low temperature. When the microcontroller detects the abnormal state of the battery pack, it controls charge/discharge MOS FET. And also, has a cell balancing function.

  • Some different types have protection functions such as short-circuit detection and overvoltage detection, and it protects the battery pack quickly without being controlled by a microcontroller. The MCU Control type provides advanced protection and management functions of battery packs.

Product Features

Feature 1Maximum operating voltage 80V

LAPIS Technology's original high voltage process realized a maximum operating voltage of 80V.

Feature 2The lowest current consumption in the industry

The current consumption in power-down mode is 0.1µA (typ.) which is the lowest in the industry, and battery pack long-term storage is possible.

Feature 3Multistage connection supports multi-cell high voltage systems

ML5239 supports the multistage connection. It is possible to construct multi-cell high voltage Lithium-Ion battery systems, like a large-scale energy storage system.

Feature 4Highly accurate voltage detection

The cell voltage measurement accuracy is the industry's best ±10 mV (ML5239). Since each cell voltage of the battery pack can be measured with high accuracy, the battery capacity can be used to the full.
The cell voltage measurement accuracy of ML5248,ML5236,ML5238 are±20mV, ±15mV, ±20mV respectively.

Feature 5Supports cell balancing function

The ML5204, ML5236, and ML5238 have built-in cell balance switches, the ML5239 has external cell balance switch driving pins.
It can execute the cell balancing operation by setting the register from an external microcontroller. And the cell balancing operation improves the efficiency of battery cells.

Feature 6The industry's first, high-side NMOS-FET driver built-in

In the ML5248 and the ML5236, because NMOS-FETs can be placed on the high-side of the battery pack, the battery pack system design is very simple.

Feature 7Provide an evaluation board

Evaluation boards and sample software for each LSI are available.
By connecting an assembled battery pack to the evaluation board, the battery pack system is evaluated easily.

Applications

The MCU Control type battery monitoring LSI protects battery packs in various application fields and supports the safety of Li-ion batteries with various functions.

The MCU Control type of battery monitoring LSI protects battery pack in the various application field

LSI Evaluation kits

  Evaluation board
outline
Evaluation kit
Contents
Notes Sample and Buy

Evaluation kit provided

Evaluation kit provided
Evaluation kits for battery monitoring LSI are available.
Connecting cables and software tools are included.
(included parts are different between each LSI.)
Battery monitoring LSI evaluation kit

LSI Documents Download

  • *MSL : Moisture Sensitivity Level
 

Data sheets

rev.

Users Manual

rev.

White paper

rev.

Errata

rev.

Other

rev.

Package Code

Dimensions,
Implementation
specifications

Environmental
data

MSL*