A battery-management system (BMS) is an electronic system or circuit that monitors the charging, discharging, temperature, and other factors influencing the state of a battery or battery pack, with an overall goal of accurately indicating the remaining time available for use. It’s used to monitor and maintain the health and capacity of a battery. Today’s…
Introduction to batteries and their types
What is a Battery? A battery is an electrochemical device that can store energy in the form of chemical energy. It translates to electric energy when the battery is connected in a circuit due to the flow of electrons because of the specific placement of chemicals. It was invented by Alessandro Volta, whereas Gaston Plante…
How rechargeable batteries, charging, and discharging cycles work
The battery stores electrical energy in form of chemical energy and the chemical energy again able to convert into electrical energy. The conversion of chemical energy to electrical energy is called discharging. The chemical reaction during discharge makes electrons flow through the external load connected at the terminals which causes the current flow in the…
What are the different battery types for specific applications?
In this article, we will learn how to choose a battery according to the specifications and requirements of your application. Some applications need more power and some need to be cheap with less power. There are various factors and parameters that to consider when choosing the best battery for your application. No one battery is…
What to consider when evaluating battery performance
Several important metrics and considerations are important when evaluating battery performance: Cell, module, and pack level: It is important to consider whether the data refers to an individual cell or a complete battery pack when comparing energy and power densities. Cells will always have the highest energy and power for a given size or weight.…
How to use a buck-boost converter to regulate a Li-ion battery
Nearly every electronic device today relies on a battery as a power source. The dc-dc converter plays a significant role in maintaining the working time of the battery. A buck-boost dc-dc converter is an ideal choice for the most efficient and reliable battery range. The buck-boost converter provides the regulated voltage in the Lithium (Li-ion)…
How to use a boost converter with a Li-ion battery and BL8530 IC
A major advantage of a switching regulator is that it can boost a lower voltage into a higher one. This type of regulator is also known as a boost or step-up converter. A boost converter is used to step up an input voltage to a higher level as required by a load. This capability is…
What battery chemistries are used in electric vehicles?
Despite a higher price tag initially, electric vehicles (EVs) tend to offer significant savings over time. The environmental benefits aside, which are noteworthy, EVs typically cost half as much to maintain and repair as gas-powered vehicles — and they’re growing in popularity. Unlike conventional vehicles, EVs don’t have internal combustion (IC) engines. Instead of gasoline,…
What are the battery-selection criteria for low-power design?
A battery is an electrochemical device that can store energy in the form of chemical energy. It translates to electric energy when the battery is connected in a circuit due to the flow of electrons because of the specific placement of chemicals. For more information on how batteries work, you can read the article which…
Battery configurations (series and parallel) and their protections
A single cell is not sufficient for some devices. To achieve the desired voltage, the cells are connected in series to add the voltage of cells. To achieve the desired capacity, the cells are connected in parallel to get high capacity by adding ampere-hour (Ah). This combination of cells is called a battery. Sometimes battery…
How to extend solar and battery power in a weather station
Experiment 2 Aim To run an MCU on low power mode, read the temperature, pressure, and humidity readings using AHT10 and BMP280 Sensors, and send the readings over wifi. Requirements MCU: ESP32-WROOM-32D (Generic Wi-Fi + Bluetooth + Bluetooth LE MCU module) Temperature/Humidity Sensor: AHT10 (Temperature and humidity sensor) Pressure and Altitude Sensor: BMP280(Absolute Barometric Pressure…
Renesas launches complex device-driver software for EV battery management
Renesas Electronics Corporation, a supplier of advanced semiconductor solutions, has introduced an AUTOSAR-compliant complex device-driver (CDD) software module for designers of automotive battery-management systems (BMS) in electric vehicles (EVs). The new software pairs with Renesas’ ISL78714 Li-Ion battery management IC to speed design and optimize the performance of next-generation systems. The CDD software is designed…
Infineon offers new battery-management ICs to optimize battery life
Infineon Technologies has introduced a new family of battery-management ICs, including TLE9012DQU and TLE9015DQU. The ICs enable an optimized solution for battery-cell monitoring and balancing. Combining excellent measurement performance with the highest application robustness, the new battery-management ICs are a competitive system-level solution for battery modules, cell-to-pack and cell-to-car battery topologies. The devices are suitable…
ADI’s wBMS earns top automotive cybersecurity certification
Analog Devices, Inc. announced that its Wireless Battery Management System (wBMS) is certified to the highest standard of automotive cybersecurity engineering and management. ISO/SAE 21434 is the new standard for cybersecurity risk-management throughout the lifecycle of the vehicle — from concept, product development and production, to operation, maintenance, and decommissioning of electrical and electronic systems.…
Infineon’s smart, automotive gate driver protects battery systems
Battery systems for 48V are used in multiple, growing market categories including mild hybrid electrical vehicles, trucks, e-wheelers, and battery packs for solar panels. However, these Li-ion battery systems need to be protected against negative and positive voltages. In addition, these batteries must quickly and reliably disconnect from loads within microseconds in the event of…
Toshiba launches 20Ah-HP SCiBTM rechargeable lithium-ion battery cell
Toshiba Corporation, a company dedicated to advancing carbon neutrality through its technologies, products, and services, expanded its SCiB product offering with the launch of an innovative 20Ah-HP rechargeable lithium-ion battery cell that delivers high energy and power at the same time. The market demands batteries that deliver high energy and power characteristics but, until now,…
STMicroelectronics releases new silicon-carbide devices for EVs
STMicroelectronics, a global semiconductor provider serving customers across the spectrum of electronics applications, is introducing its third generation of STPOWER silicon-carbide (SiC) MOSFETs. ST’s new SiC devices are advancing the state-of-the-art in power devices for electric-vehicle (EV) powertrains and other applications where power density, energy efficiency, and reliability are important target criteria. ST has incorporated…
Analog Devices’ battery-management IC delivers longer battery runtime
Analog Devices, Inc. (ADI) has announced the MAX17330 battery-management integrated circuit (IC) with integrated fuel gauge and advanced battery protection for one-cell lithium-ion/polymer batteries. They deliver longer battery runtime for consumer applications than similar products. The new IC expands ADI’s battery management portfolio, which already delivers accuracy for the automotive and industrial markets that is…
TI’s new buck/boost converter integrates supercapacitor charging capability
Texas Instruments (TI) introduced a new bidirectional buck/boost converter with an ultra-low quiescent current (IQ) of 60 nA, which is one-third the IQ of competing boost converters. The TPS61094 buck/boost converter integrates a buck mode for supercapacitor charging while providing ultra-low IQ, enabling engineers to extend battery life by as much as 20 percent when compared…
Basic Electronics 27 – cells and batteries
In the previous article, we discussed different types of power supplies. For prototyping and testing circuits, the linear regulated power supply is the most economical and feasible do-it-yourself solution. The power output from a linear regulated supply can also be adjusted with the help of a variable resistor. Electronics hobbyists and beginners who do not…