電源/新能源
提供權威的電源和新能源設計及電源管理資訊，內容有醫療/工業電源、LED驅動、數字電源、電池技術、太陽能光伏等電源技術方案，包括電源測試/仿真/認證、便攜電源、電動車/新能源、AC-DC與DC-DC轉換、基準/監控/保護電路等專業領域。
使用DS2746確定一個電池包基于識別電阻-Using th
Abstract: The DS2746 has two auxiliary inputs to allow voltage sampling of resistor divider circuits; these inputs are ideal for measuring thermistor or battery-pack identification resistors. This application note describes how to calculat...
2009-04-30 標簽：DS2746 1064
電路提供電池反向保護-Circuit Provides Re
A universal problem in battery-operated devices is the threat of damage when an end user (never an engineer) inserts the battery backward. You can avoid damage by inserting a single diode or by using a diode-bridge configuration, but those...
2009-04-30 標簽：電路 656
檢測和校準1 DS2760鋰電池監測與保護器電路-Testi
Abstract: This application note describes to the reader how to properly test a circuit board and battery pack containing a Dallas Semiconductor DS2760 battery monitor and protector. A step-by-step test procedure is provided which can be fo...
2009-04-30 標簽：DS2760 1577
DS276x產品比較-DS276x Product Comp
Abstract: This application note describes the differences between the DS2760 battery monitor and protector and the DS2761 battery monitor and protector. It describes each difference in detail and indicates what, if any, changes would be re...
2009-04-30 標簽：DS276x 1115
校準偏置注冊的DS2761-Calibrating the
Abstract: The DS2761 contains a current offset register that can be utilized by the designer to eliminate inherent offset introduced by the current A/D within the IC. Improper calibration of this register, however, can negate any positive ...
2009-04-30 標簽：DS2761 1142
Overcurrent/Overdischarge Prot
Abstract: This application note describes the use of a current-sense amplifier with internal dual comparators to monitor and protect against too low battery voltage and too high battery current. While written for lead-acid batteries, the c...
2009-04-30 標簽：Batteries 1323
MOSFET驅動器是電池反向保護-MOSFET Driver
Abstract: MOSFET power-switch drivers must be protected from a reverse-battery connection. A small rectifier diode can protect against reversed batteries, but that approach is generally unacceptable for systems in which battery life is cru...
2009-04-30 標簽：驅動器 1611
電路的鎳氫電池可單模擬鋰電池-Circuit Enables
Abstract: This circuit uses a NiMH cell to replace a lithium battery. Its output simulates the discharge characteristic of a lithium (Li+) battery. IntroductionLithium-based (Li+) batteries are becoming common ...
2009-04-30 標簽：鋰電池 759
充電器反接時，DS2784高邊nFET保護器的保護電路
摘要：DS2784高邊nFET保護器沒有針對充電器反接的保護電路。因此，故障狀態下，如果充電器反向連接，DC FET將可能處于導通狀態。本文介紹了發生充電器反接時可使DC FET保持關閉的...
利用DS2726在充電器反接時保護Li+電池
摘要：本應用筆記通過簡單的設計修改，可以利用DS2726 Li+電池保護器承受負壓，在充電器反接時為電池提供保護。 概述充電器反接會損壞DS2726 Li+電池保護器。...
Switch-Mode Supply Charges Bat
In the portable-system power supply of Figure 1, L2 and Q2 are part of an unorthodox battery-charger configuration for the auxiliary switch-mode output (which normally generates a negative bias voltage for LCDs). Combining the battery char...
2009-04-30 標簽：Battery 2046
升壓型DC-DC電壓調節器轉換為電流源的電池充電-Boost
Abstract: A boost DC-DC controller built with the MAX1771 DC-DC controller makes a simple switch-mode current source that is useful for battery charging. The voltage control loop is disabled so that the current control loop provides regula...
2009-04-30 標簽：電流源 1616
One-Hour Battery Charger Has S
Because battery charges control power, they resemble regulators in some respects. Linear chargers, for example, are less efficient than switching types when operating at high current and a large VIN - VOUT difference. A linear charger, pow...
2009-04-30 標簽：Battery 1538
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 標簽：bus 990
利用太陽能與智能功率轉換技術-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 標簽：太陽能 945
輸入電流限制電池充電器移動計算應用-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 標簽： 1318
選擇的電池充電系統的體系結構-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 標簽： 517
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 標簽：circuit 1785
便攜式設備需要高性能的電池充電器-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 標簽： 1332
超低電阻表面貼裝電流分流-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...
單節鋰離子充電座充電器線性AC適配器-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 標簽：AC適配器 1728
如何最大限度地減少功耗鋰離子線性充電器-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 標簽： 1285
設計一個電源的便攜式無線聯絡管理-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...
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 ...
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 標簽：Switch-Mod 2086
正確的布局和元件選擇控制電磁干擾
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 標簽：電磁干擾 962
由USB端口便攜式供應產生5 V和+3.3 V電源由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 標簽：USB端口 1633
編輯推薦廠商產品技術軟件/工具OS/語言教程專題
| 電機控制 | DSP | 氮化鎵 | 功率放大器 | ChatGPT | 自動駕駛 | TI | 瑞薩電子 |
| BLDC | PLC | 碳化硅 | 二極管 | OpenAI | 元宇宙 | 安森美 | ADI |
| 無刷電機 | FOC | IGBT | 逆變器 | 文心一言 | 5G | 英飛凌 | 羅姆 |
| 直流電機 | PID | MOSFET | 傳感器 | 人工智能 | 物聯網 | NXP | 賽靈思 |
| 步進電機 | SPWM | 充電樁 | IPM | 機器視覺 | 無人機 | 三菱電機 | ST |
| 伺服電機 | SVPWM | 光伏發電 | UPS | AR | 智能電網 | 國民技術 | Microchip |
| 開關電源 | 步進電機 | 無線充電 | LabVIEW | EMC | PLC | OLED | 單片機 |
| 5G | m2m | DSP | MCU | ASIC | CPU | ROM | DRAM |
| NB-IoT | LoRa | Zigbee | NFC | 藍牙 | RFID | Wi-Fi | SIGFOX |
| Type-C | USB | 以太網 | 仿真器 | RISC | RAM | 寄存器 | GPU |
| 語音識別 | 萬用表 | CPLD | 耦合 | 電路仿真 | 電容濾波 | 保護電路 | 看門狗 |
| CAN | CSI | DSI | DVI | Ethernet | HDMI | I2C | RS-485 |
| SDI | nas | DMA | HomeKit | 閾值電壓 | UART | 機器學習 | TensorFlow |
| Arduino | BeagleBone | 樹莓派 | STM32 | MSP430 | EFM32 | ARM mbed | EDA |
| 示波器 | LPC | imx8 | PSoC | Altium Designer | Allegro | Mentor | Pads |
| OrCAD | Cadence | AutoCAD | 華秋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 |
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