Introduction to L9963 BMS controller

Hello, readers welcome to the new post. We will discuss Introduction to L9963 BMS controller. This module is designed by STMicroelectronics which is a battery management technique useful for increasing the reliable operation and operating duration safety of electric vehicles.

It was created to fulfill the major demands of electric vehicles like volts accuracy to operate long time internal and high battery life. In this post, we will discuss its working features and some other points. So let’s get started Introduction to L9963 BMS controller

Table of Contents

The L9963 is a lithium-ion battery used in electric vehicles for energy storage and is known as a monitoring and protection board.

It has about fourteen stacked battery cells that fulfill the volts demands of forty wight volts and a larger volts system.
Every cell volt can be found with a high level of accuracy with the current for onboard charging measuring.
It can monitor the seven NTCs and uses the SPi protocol for data transfer.
Numerous modules can be arranged in a chang-like arrangement and make communication to single processors through the use of transformer-isolated interfacing that results in high speed less EMI and larger distances of data transmission.
It has features of passive balancing in the case of normal and low-power modes.
Its balancing can be eliminated on the base of the inner timer interrupt.
It has 9 general-purpose input and output pinouts for the regulation of outer devices.

L9963 BMS controller Features

Its main features are discussed here
It is compatible to AEC-Q100
It measures the four to fourteen cells in a series combination having 0 resynchronization among the cells.
It has SPI protocol that can communicate for high-speed applications with 2.66megabyte per second
It can perform the hotplugging in absence of an outer zener diode
its volts operating value of 1.7 volts to 4.7 volts
It has features to monitor the seven exterior temperature sensors

Its volt accuracy is finer than the two millivolts
it comes in the TQFP64EP package
Fully ISO26262 compliant, ASIL-D systems read
It has nine general-purpose inputs and outputs with seven analog inputs used for NTC
It has 2 five volt regulators compatible to exterior load connection

L9963 BMS controller Applications

its applications are explained here
Portable and semi-portable equipment
48 V and high-voltage battery packs
Backup energy storage systems and UPS
E-bikes, e-scooters

What is a BMS controller?

The BMS monitors, controls, and notes smart building technology systems. These systems can come with control, video surveillance, fire alarms HVAC control, and electric power management.

What is the function of the BMS?

The battery management system is an electronic system that works like the brain of the battery system. The main functions of BMS are safety and protection, cell balancing thermal management system, and energy management system

How does the BMS circuit work?

Battery management system (BMS) is a technology used for oversight of battery pack, that is battery cells configuration, electrically configured in a row with column matrix design for handling the delivery of a certain range of voltage and current for a certain time with load conditions.

What is the difference between BMS and controller?

The battery management system and charging controller are the main part of the battery management and charging system. BMS is used for monitoring, controlling, and protecting of battery pack and charging controller handle charging process for providing safe and efficient charging.