The Bluetooth speaker is broken, the charging light is not on, and there is no response when powered on, indicating a possible power module failure. Upon disassembly, I was shocked to find no charging circuit or voltage reduction circuit. Could it all be integrated into the main chip? It appears that there are only the … Read more
Follow our official account: Original Design Sharing by Attack Engineer.【All articles are completely free, available anytime after following】】The treasure trove of development materials for embedded engineers, providing chip information and design references.//==================================================// Many friends have asked what steps should be followed to design a DCDC power supply chip PCB properly, and what the consequences are … Read more
[Image] The electronic boards commonly used in elevators can generally be divided into the following modules: 1. Power module, which typically includes rectifier circuits, voltage regulation circuits, and filtering circuits; power monitoring circuits; 2. Core processing module, containing CPU (or microcontroller, DSP processor), EEPROM, RAM, address signal decoding circuits, oscillation circuits, …
Charging Head Network’s 3661st disassembly report. Introduction The Charging Head Network has acquired the Huawei R4850G1 power module. This module uses digital control, supports a wide range of voltage inputs, with a default output voltage of 53.5V and a rated output power of 3000W. The output power is 1200W at low voltage input. The power … Read more
Finding Optimal Solutions to Reduce Failures Revitalizing with Minor Technical Improvements – Shanshan Power Station, Xinjiang Region – The solar power station in Shanshan, Xinjiang, completed in December 2011, has been in operation for nearly 10 years. Under the scorching heat and dust storms of the “Fire State” Turpan, the aging of power generation equipment … Read more
In modern AI data centers and edge computing environments, high power density and integration are mandatory requirements. To meet the demand for efficient power management solutions, Microchip Technology has launched the MCPF1412 power module, a highly integrated Point of Load (POL) buck converter featuring I2C and PMBus® interfaces, compact size, system telemetry, and protection functions, … Read more
Flex Power Modules has launched an upgraded version of its BMR510 2-phase integrated power module. The new BMR5101041/002 version not only improves efficiency and increases the peak current from 140A to 160A, but also includes a 528μF onboard output capacitor, significantly enhancing transient response. This onboard capacitance reduces the need for customers to add external … Read more
With the rapid development of electronic technology, DC power modules play an increasingly important role in various electronic devices. Optocouplers, as an important electronic component, are widely used in DC power modules for signal isolation and transmission. This article will explore the working principle, characteristics, and specific applications of optocouplers in DC power modules. 01 … Read more
Flex Power Modules has launched an upgraded version of its BMR510 dual-phase integrated power module. The new BMR5101041/002 version not only improves efficiency and increases the peak current from 140A to 160A, but also includes a 528μF onboard output capacitor, significantly enhancing transient response. This onboard capacitance reduces the need for customers to add external … Read more
If you are a power engineer, you can skip the introduction to power modules. However, if you are a beginner or studying microcontrollers, it is best to read carefully. A power module is a power supply that can be directly mounted on a printed circuit board (see Figure 1). It is designed to provide power … Read more