Li-ion Battery Protection ICs Serial Content
This is a series of columns written by Akihiko Fujiwara, our "expert in battery protection ICs." He will tell you about the history, transitions in applications, and trouble shootings related to protection ICs which ensure the safety and security of Li-ion batteries behind the scenes.
Mar. 26, 2024
Volume 5 (Final) Future of Li-ion Battery Protection ICs
This is the final volume of the series titled “the Future of Li-ion battery protection ICs.” Here, I will talk about trends of recent protection ICs, future functions and performance, ... Read more
May 16, 2023
Volume 4 Measures for Trouble in Li-ion Battery Protection Circuits
In volume 4, I would like to talk about troubles occurring in Li-ion battery protection circuits. Thanks to the long experience in Li-ion battery protection circuits, ... Read more
July 5, 2022
Volume 3 Changes in Applications Using Li-ion Batteries
-Customer Transition along with Application Expansion-
In this volume, I will tell you about the expansion of applications using Li-ion batteries and the transition of customers using our protection ICs. Read more
Feb. 21, 2022
Volume 2 History of Li-ion Battery Protection ICs
-Evolution of Performance and Package from Beginning to Present-
The most important performance of protection ICs is an accuracy of the detection voltage. In particular, the accuracy of the overcharge detection voltage significantly affects the safety and performance of Li-ion batteries. Read more
Oct. 28, 2021
Volume 1 History of Li-ion Battery Protection ICs
-Evolution of Functions from Beginning to Present-
Japanese society has started an initiative to realize carbon neutrality by 2050, and to achieve this goal, renewable energy technology has become more important than ever. Read more
Mar. 29, 2019
= The Pioneer Says... =
Will Li-ion Battery Protection ICs Never Perish?
"Containing an IC in your battery?" A battery manufacturer asked us to consider developing a new IC for battery protection. Read more
Author profile
Akihiko Fujiwara
Nisshinbo Micro Devices Inc.
Akihiko Fujiwara was engaged in the planning and design of our Li-ion battery protection ICs beginning in the 1990s, during the early days of rechargeable Li-ion batteries, and earned a strong reputation in the industry. As an "expert in battery protection ICs," he was also involved in marketing and strategic planning. By continuously monitoring worldwide trends in batteries and battery protection ICs, he helped lead the direction of Nisshinbo Micro Devices' battery protection IC business.