电源新闻
电子发烧友网为您提供最新开关电源新闻，UPS电源资讯，最精准的电源适配器要闻，是您了解芯片电源行业新闻动态的网络平台。
Comparing the I²C Bus to
Abstract: The I²C bus and the SMBus™ are popular 2-wire buses that are essentially compatible with each other. Normally devices, both masters and slaves, are freely interchangeable between both buses. Both buses feature addressa...
2009-04-30 828
利用太阳能与智能功率转换技术-Harnessing Sola
Abstract: Charge NiCd or NiMH batteries with solar cells. This circuit extracts the maximum power from a solar array to charge a battery stack. It employs the MAX856 boost converter and MAX982 dual comparator with reference. ...
2009-04-30 818
输入电流限制电池充电器移动计算应用-Input Curren
Additional Information: Quick View Data Sheet for the MAX1645/MAX1645A Quick View Data Sheet for the MAX1772 Technical Support: Power IntroductionWith the increasing demand for mobile ...
2009-04-30 1143
选择的电池充电系统的体系结构-Choices for Bat
The SMBus™ specification has done a great deal to standardize the interface between portable products, batteries, and chargers. SMBus was defined in 1995, and it has steadily gained in popularity. SMBus charger ICs are more complex t...
2009-04-30 422
Simple Circuit Charges Lead-Ac
Abstract: A flyback converter implements a current-limited power supply to charge lead-acid batteries. The MAX773 current-mode controller limits the output current and the flyback transformer provides isolation and flexibility for input vo...
2009-04-30 1464
便携式设备需要高性能的电池充电器-Portable Devi
Abstract: Three techniques are shown for charging lithium-ion (Li+) batteries. Linear, switch-mode, and pulse circuits are shown for each type. The proliferation of portable devices in recent years has underlined the need...
2009-04-30 1223
超低电阻表面贴装电流分流-Ultra-Low Resista
Abstract: Ultra-low resistance surface mount current-sense resistors seem like the ideal package. The physical design, a strap of metal, seems ideal, offering the lowest inductance possible. Too often these resistors need some kind of resi...
2009-04-30 615
单节锂离子充电座充电器线性AC适配器-Single-Cell
Abstract: The single cell Lithium-ion (Li-ion) battery charger that does not dissipate power (no heat) can also use a low cost linear AC adapter. This application note discusses how to design a simple and low-cost Li-ion charger. ...
2009-04-30 1480
如何最大限度地减少功耗锂离子线性充电器-How to Min
Abstract: Techniques are described for minimizing power dissipation in linear battery chargers. Beginning with a stable wall-cube switching power source, methods are described to limit the dissipation in the linear charging circuit. Circui...
2009-04-30 1093
设计一个电源的便携式无线联络管理-Design Case S
Abstract: A portable wireless contact manager called Spotme was designed by the Swedish company Shockfish SA. Spotme was powered by a 4.2V Li+ rechargeable battery. However, the internal communicator circuitry requires four different volta...
2009-04-30 658
How to Design Battery Charger
Abstract: Notebook computers increasingly require complex battery charging algorithms and systems. This article provides information and background on lithium-ion (Li+), nickel-cadmium (NiCd), and nickel-metal-hydride (NiMH) batteries and ...
2009-04-30 4819
Switch-Mode, Linear, and Pulse
Abstract: There are three methods to charging Li+ batteries: switch-mode, linear and pulse. Each method has its advantages and disadvantages. Switch-mode charging minimizes power dissipation over a wide range of AC adapter voltages, but co...
2009-04-30 1823
正确的布局和元件选择控制电磁干扰
Proper Layout and Component Selection Controls EMI Abstract: Understanding the physics of voltage regulator topologies is important in designing power systems for EMI and EMC compliance. In particular, the physical princi...
2009-04-30 773
由USB端口便携式供应产生5 V和+3.3 V电源由USB端
Abstract: A portable device using the circuit of Figure 1 derives power from the USB bus. The MAX1811 uses USB power charges a lithium-ion (Li+) battery at, USB compatible, 100mA or 500mA rates. Battery power is then stepped up with the MA...
2009-04-30 1445
新增电流刺激驱动的USB接口充电器AC适配器-Add Cur
Abstract: A USB interface is capable of charging a portable device while transferring data. But for high-capacity batteries, the limited output current of USB hosts and hubs greatly extends the charging time. Powered USB hubs and USB hosts...
2009-04-30 1117
用DS2711/12检测原电池
摘要：DS2711和DS2712标准NiMH电池充电器(专为1节或2节AA或AAA NiMH“标准”电池设计)能够检测原电池(一次电池，不可充电电池)，避免对其充电。本应用笔记介绍了各种来自不同厂商的电...
2009-04-30 998
可充电电池：原理，隐患，及安全充电方法
摘要：本文概要介绍了电池充电方式和现代电池技术，以使读者能更好的了解便携设备中使用的电池。本文对镍镉(NiCd)电池，镍氢(NiMH)电池和锂离子(Li+)电池的化学性质进行了描述，...
2009-04-30 2231
用USB为电池充电
摘要：USB作为低功耗电子产品(大多数为电池供电产品)的电源提供了越来越多的应用机会，无处不在的USB也为充电器设计提供了更多机会和更大的挑战。本文介绍了电池充电器与USB电...
2009-04-30 987
提高MAX1737锂离子电池充电器的精度-Improving
Abstract: This application note describes how to improve full-scale current-sense and charge-termination accuracy of the MAX1737 lithium-ion (Li+) battery charger. The MAX1737 current-sense is more accurate than stated in the data sheet, b...
2009-04-30 1544
nMOS晶体管与DS2714的配合使用
摘要：DS2714独立式NiMH电池充电器的数据资料中提供了一个使用pnp晶体管的应用电路，利用pnp晶体管对充电电流进行开、关控制。这种方式可能存在某些问题，因为充电控制引脚的电...
2009-04-30 1389
充电电池和单机快速充电器概述
摘要：本应用笔记简单介绍了镍镉(NiCd)、镍氢(NiMH)和锂离子(Li-Ion，Li+)可充电电池, 讨论它们的性能，并说明在不需要微控制器的情况下如何构建单机结构，安全、快速地为镍氢和锂...
2009-04-30 966
锂离子电池充电运行的安全问题减少-Understanding
Abstract: Due to the high energy/power density, in relation to the weight and volume of Lithium-ion (Li+) battery technology, there are some lingering safety concerns when charging and discharging the batteries. Although an already mature ...
2009-04-30 1605
简化1节Li+电池供电设备的设计
摘要：MAX8671X电源管理IC (PMIC)能够为便携系统设计提供锂电池充电及电源稳压，该器件可利用USB端口或外部AC-DC电源适配器作为输入电源为锂离子(Li+)、锂聚合物(Li-Poly)电池充电。PMIC...
2009-04-30 747
估算DS2712 NiMH电池充电器的开关速度
摘要：开关模式下，DS2712电池充电器的开关速度因电感选择、充电电流和电池电压而有所不同。某些情况下，需要了解各种条件下的开关速度，以解决噪声灵敏度、峰值充电电流和...
2009-04-30 1134
Step-Up Supply Charges Battery
The circuit of Figure 1 supports the many portable applications in which a microprocessor (µP) or microcontroller (µC) controls charging of the battery. IC1 is a step-up switching regulator that boosts VIN (nominally 5V) as nec...
2009-04-30 1573
稳压电荷泵提供50毫安-Regulated Charge P
The DC-DC converter circuit of Figure 1 substitutes a voltage tripler in place of the external inductor and diode normally associated with switching regulator IC1. Inverting and noninverting drivers in the MOSFET-driver chip (IC2) activate...
2009-04-30 918
新发展的电池充电器-New Developments in
Electronic equipment is increasingly becoming smaller, lighter, and more functional, thanks to the push of technological advancements and the pull from customer demand. The result of these demands has been rapid advances in battery technol...
2009-04-30 1533
编辑推荐厂商产品技术软件/工具OS/语言教程专题
| 电机控制 | DSP | 氮化镓 | 功率放大器 | ChatGPT | 自动驾驶 | TI | 瑞萨电子 |
| BLDC | PLC | 碳化硅 | 二极管 | OpenAI | 元宇宙 | 安森美 | ADI |
| 无刷电机 | FOC | IGBT | 逆变器 | 文心一言 | 5G | 英飞凌 | 罗姆 |
| 直流电机 | PID | MOSFET | 传感器 | 人工智能 | 物联网 | NXP | 赛灵思 |
| 步进电机 | SPWM | 充电桩 | IPM | 机器视觉 | 无人机 | 三菱电机 | ST |
| 伺服电机 | SVPWM | 光伏发电 | UPS | AR | 智能电网 | 国民技术 | Microchip |
| 开关电源 | 步进电机 | 无线充电 | LabVIEW | EMC | PLC | OLED | 单片机 |
| 5G | m2m | DSP | MCU | ASIC | CPU | ROM | DRAM |
| NB-IoT | LoRa | Zigbee | NFC | 蓝牙 | RFID | Wi-Fi | SIGFOX |
| Type-C | USB | 以太网 | 仿真器 | RISC | RAM | 寄存器 | GPU |
| 语音识别 | 万用表 | CPLD | 耦合 | 电路仿真 | 电容滤波 | 保护电路 | 看门狗 |
| CAN | CSI | DSI | DVI | Ethernet | HDMI | I2C | RS-485 |
| SDI | nas | DMA | HomeKit | 阈值电压 | UART | 机器学习 | TensorFlow |
| Arduino | BeagleBone | 树莓派 | STM32 | MSP430 | EFM32 | ARM mbed | EDA |
| 示波器 | LPC | imx8 | PSoC | Altium Designer | Allegro | Mentor | Pads |
| OrCAD | Cadence | AutoCAD | 华秋DFM | Keil | MATLAB | MPLAB | Quartus |
| C++ | Java | Python | JavaScript | node.js | RISC-V | verilog | Tensorflow |
| Android | iOS | linux | RTOS | FreeRTOS | LiteOS | RT-THread | uCOS |
| DuerOS | Brillo | Windows11 | HarmonyOS |
工商网监