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Shenzhen KINRI Energy Technology Co.,Ltd.

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· Introduction to Electric Motorcycle Charger

Electric motorcycle charger is a charging device used to charge electric motorcycles (electric vehicles), with one end connected to the electric vehicle's battery and the other end connected to an AC power source. Principles of Electric Motorcycle ChargersThe principle of electric motorcycle chargers mainly involves the following aspects:Rectification and filtering: The charger first converts the AC power from the external power source into DC power, which is usually completed through a rectifier. The rectifier uses a single-phase or three-phase bridge rectifier circuit composed of rectifier diodes. The rectified DC current contains high-frequency harmonics that need to be filtered out through a filter to ensure the quality of battery charging.Control circuit: The control circuit is responsible for implementing the control and protection functions of the charger, including adjusting the output voltage, current, and charging time. It can also provide protection for the charger, such...
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03-04
2024
· Switching power supply half bridge driver chip IR2153

IR2153 is a high-voltage, high-speed, half bridge driver with high and low end drives. This chip is produced by Infineon and for new designs, Infineon recommend IRS2153D.The following is a detailed introduction to the chip.Self-Oscillating 600 V Half Bridge Driver IC with typical 0 A source and 0 A sink currents in 8 Lead PDIP package for IGBTs and MOSFETs. Also available in 8 Lead SOIC.Diagrams Summary of Features●Integrated 600 V half-bridge gate driver●15.6 V zener clamp on Vcc●True micropower start up●Tighter initial deadtime control●Low temperature coefficient deadtime●Shutdown feature (1/6th Vcc) on CT pin●Increased undervoltage lockout Hysteresis (1 V)●Lower power level-shifting circuit●Constant LO, HO pulse widths at startup●Lower di/dt gate driver for better noise immunity●Low side output in phase with RT●Excellent latch immunity on all inputs and outputs●ESd protection on all leadsParametrics●Channels:2 ●Configuration:Half Bridge●Input Vcc min max:10 V 15.6 V●Iso...
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06-03
2023
· The most commonly used switching power supply chip models

With the continuous development of the switch mode power supply market, various types of chips are also emerging one after another. So, do you know which models of switching power supply chips are most commonly used? This article will provide a detailed introduction from four aspects. 1. Overview of Common Switching Power Supply ChipsA switching power supply chip is a circuit that combines dynamic electronic components (usually field-effect transistors or bipolar transistors) with static electronic components (usually diodes and resistors). It can convert DC power sources into output circuits with different voltages, currents, and powers. Switching power supply chips have advantages such as small size, high efficiency, controllability, and good stability. The commonly used switch mode power supply chips in the current market include LTC1759, IR2153, UCC3895, etc.2. Comparison of Common Switching Power Supply Chip ParametersChip parameters are important indicators for measuring chip q...
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08-01
2023
· The Most Commonly Used Chip for Switching Power Supply-LTC1759

The manufacturer of LTC1759 is ADI, which is currently a commonly used switch mode power supply chip in the market. The following is a detailed introduction to LTC1759. Features●Single Chip Smart Battery Charger Controller●100% Compliant (Rev 1.0) SMBus Support Allows for Operation with or without Host●SMBus Accelerator Improves SMBus Timing●Hardware Interrupt and SMBAlert Response Eliminate Interrupt Polling●High Efficiency Synchronous Buck Charger●0.5V Dropout Voltage; Maximum Duty Cycle > 99.5%●AC Adapter Current Limit Maximizes Charge Rate*●1% Voltage Accuracy; 5% Current Accuracy●Up to 8A Charging Current Capability●Dual 10-Bit DACs for Charger Voltage and Current Programming●User-Selectable Overvoltage and Overcurrent Limits●High Noise Immunity Thermistor Sensor●Small 36-Lead Narrow (0.209 Inches) SSOP PackageAdditional DetailsThe LTC1759 Smart Battery Charger is a single chip charging solution that dramatically simplifies construction of an SBS compliant system. The LTC1759...
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03-02
2024
· 6W Efficient power adapter solution LM25011AMYX

The manufacturer of MSP430G2413 is Texas Instruments.16 MHz MCU with 8KB Flash, 512B SRAM, comparator, UART/SPI/I2C, timer Description for the MSP430G2413The Texas Instruments MSP430 family of ultra-low-power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 1 µs.The MSP430G2x13 and MSP430G2x53 series are ultra-low-power mixed signal microcontrollers with built-in 16-bit timers, up to 24 I/O capacitive-touch enabled pins, a versatile analog comparator, and built-in communication capability using the universal serial communication interfac...
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02-29
2024

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