SOC Estimation Methods for Electric Vehicle Batteries

The definition of SOC (state of charge) varies widely, but a more unified international definition is based on capacity, representing the remaining capacity of the battery with SOC, which numerically equals the ratio of the remaining capacity Q to the maximum available capacity Qmax. SOC estimation is one of the key technologies in battery management … Read more

PCBs in New Energy Vehicles: The Electronic Heart Driving the Future

PCBs in New Energy Vehicles: The Electronic Heart Driving the Future

Click the above “Mechanical and Electronic Engineering Technology” to follow us Hey friends, today let’s talk about a topic that is both high-tech and close to our lives—PCBs (Printed Circuit Boards) in new energy vehicles. Sounds a bit fancy and mysterious, right? Don’t worry, we will slowly unveil its veil and see how this “unsung … Read more

In-Depth Analysis of Battery Management Systems (BMS)

In-Depth Analysis of Battery Management Systems (BMS)

Today’s electronic devices, ranging from TWS headphones and wearable devices to electric vehicles, rely heavily on lithium-ion or polymer batteries for power. Depending on the power requirements of the electronic devices, a battery pack may consist of multiple battery cells (cells) arranged together. The charging and discharging of the battery pack, as well as the … Read more

2018 Predictions for Industrial Control System Cybersecurity

2018 Predictions for Industrial Control System Cybersecurity

Next year, public utility operators will face more new challenges in industrial cybersecurity. However, the good news is that new developments will also help minimize these threats. The bad news is: more complex ransomware will emerge; the Industrial Internet of Things (IIoT) will bring more threats; and the severe shortage of cybersecurity talent will continue … Read more

ISO-SPI Simulation Technology: Efficient Solutions for High Voltage Battery BMS Testing

ISO-SPI Simulation Technology: Efficient Solutions for High Voltage Battery BMS Testing

The voltage of electric vehicle batteries is increasing from 400V to 800V, and the voltage of large-scale energy storage system batteries is rising from 600V-900V to 1500V. Engineers face a dilemma when proposing hardware-in-the-loop (HIL) requirements for high voltage battery BMS: the number of battery cell channels versus the simulation effectiveness. When the number of … Read more

Understanding Automotive Power Management PMIC

Understanding Automotive Power Management PMIC

In the era of electrification and intelligence transformation in the automotive industry, automotive power management integrated circuits (PMICs) are also important participants. These electronic components play a crucial role in ensuring the efficient and safe operation of modern vehicles. We will delve into the basics of automotive PMICs, the different types available, their applications, and … Read more

Automotive PMIC Research: Domestic Substitution Process Under Chip Shortage

Automotive PMIC Research: Domestic Substitution Process Under Chip Shortage

Zuosi Automotive Research has released the 2023 Automotive Power Management Chip Industry Research Report. Automotive power management chips (PMIC) are widely used in scenarios such as automotive intelligent cockpits, autonomous driving, body electronics, instrument and entertainment systems, lighting systems, and battery management systems (BMS). By product, PMIC can be mainly divided into AC/DC, DC/DC, LDO, … Read more

Simulation and Fault Injection Testing of DC Charging for Electric Vehicles

Simulation and Fault Injection Testing of DC Charging for Electric Vehicles

The charging system is an important foundational support system for new energy vehicles and is a key condition for the industrialization and popularization of new energy vehicles, significantly impacting its industrial development. Currently, the charging modes are divided into AC and DC. New energy vehicles that support AC mode are equipped with on-board AC-DC converters … Read more

FMEDA Fault Injection Validation of SPI Safety Architecture

FMEDA Fault Injection Validation of SPI Safety Architecture

For more information about meetings and live classes, please inquire via WeChat “NewCarRen”. Abstract In recent years, the integration of advanced technologies in electric vehicles (EVs) has been increasing, making it crucial to assess the risks associated with the deployed technologies. Functional safety is necessary for automobiles to ensure human life safety. The Battery Management … Read more

2023 Top 50 Domestic PMIC Manufacturers Analysis Report

2023 Top 50 Domestic PMIC Manufacturers Analysis Report

PMIC Report Overview Chips can generally be divided into two major categories: analog and digital chips. Among them, analog chips include analog signal chains, mixed-signal chips, power devices, RF devices, and sensors. Power devices are further divided into Power Management Integrated Circuits (PMICs) and power devices. The technologies and application areas involved in PMICs include … Read more