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。
Using Dallas Battery Managemen
Abstract: This application note presents to the reader a reference circuit design that allows the use of the Dallas Semiconductor DS2438 battery monitor in a high voltage battery pack. Originally designed for use in battery packs whose vol...
2009-04-30 標簽：IC 1110
Battery Considerations for Tod
This application note is courtesy of Lou Adams from Tadiran Batteries, Port Washington, NY. Temperature RangeYour battery must work over the temperature range of the finished device. Although this seems obvious many times...
2009-04-30 標簽：Battery 1508
隔離式電源電信應用-Isolated Power Suppl
Abstract: Simple easy to use high side current sense amps protects power supplies as a result of irregular supply voltage caused by short-circuit conditions. To ensure compliance with all international standards, the desi...
Technology Changes: From a Por
Abstract: Portable power presents a range of design challenges. While major changes such as new battery technologies make headlines, the minor, almost negligible shifts are arguably more fascinating. The effects of these shifts is often no...
2009-04-30 標簽：Power 1038
DS2746應用注意事項
DS2746應用注意事項 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 iden...
Lithium-Ion Cell Fuel Gauging
Abstract: This application note describes to the user how to improve remaining capacity estimation for Li-ion battery packs beyond the accuracy level of using a coulomb counter alone. It outlines a methodology using Maxim battery monitor I...
2009-04-30 標簽：Lithium-Io 1300
使用DS2760或DS2761電池監視器多重電池應用-Usi
Abstract: The DS2760 and DS2761 battery monitor and protector are battery management ICs geared mainly for single-cell Li-Ion battery pack applications. Although designed mainly for use in the single cell applications, these devices can be...
Recommended ESD Protection and
Abstract: This application note presents to the reader a recommended Li-Ion/polymer battery pack circuit reference design using the Dallas Semiconductor DS2438 battery monitor. Special emphasis is placed on placement of the DS2438 in the b...
2009-04-30 標簽：ESD 1026
Inaccuracies of Estimating Rem
Abstract: Implementing a battery fuel gauge can be done in a variety of ways including using voltage measurements or coulomb counting. Although the use of voltage measurement has been a popular method of choice, it does not produce the mos...
2009-04-30 標簽：Voltage 1512
補償檢測電阻自暖氣-Compensating for Sen
Abstract: Many of Dallas Semiconductor’s battery monitors contain the option to include an internal sense resistor to measure current. In certain applications, heat generated by the flow of current through the sense resistor can introduc...
2009-04-30 標簽：電阻 787
雙向電流檢測與單輸出-Bi-directional Curr
Abstract: Battery operated devices often need to monitor both charge and discharge currents. A dual current-sense amplifier and differential amplifier are combined to produce a single output voltage that indicates magnitude and direction o...
2009-04-30 標簽：雙向電流 1600
使用DS2751電池電量計在多個電池包應用-Using th
Abstract: The DS2751 Li+/NiMH battery Fuel Gauge IC is designed to monitor single-cell Lithium-ion (Li-ion) or 3-cell NiMH battery packs. However, with the appropriate circuit modifications, the DS2751 fuel gauge can also be used to monito...
2009-04-30 標簽：DS2751 1008
DS2740高精度庫侖計參考設計-DS2740 High-P
Abstract: The DS2740 High-Precision Coulomb Counter IC can perform the fuel gauging function for a 1-cell Lithium-ion (Li-ion) or 3-Cell NiMH battery pack.The user has a choice of whether to mount the coulomb counter IC in the battery pack...
2009-04-30 標簽：DS2740 4203
DS27xx電量計電路板布局技巧，實現測量誤差最小化
摘要：DS27xx系列是Dallas Semiconductor的電量計器件，專門設計用于精密測量電池的流入或流出電流。然而，當采用外部檢流電阻時，如果不認真考慮元件布局，則可能會降低檢測的精度...
合理的DS2780線路板布局降低電流測量失調誤差
摘要：DS2780電流測量失調誤差在很大程度上取決于電路板布局。應盡可能縮小測量環路，以降低電感效應對測量結果的影響。 概述適當的電路板布局對于任何...
2009-04-30 標簽：DS2780 1865
從DS2761升級到DS2762
摘要：DS2762是DS2761引腳兼容的替代產品，兩款芯片只有微小的差異。它們具有不同的倒裝芯片封裝尺寸、不同的上電狀態以及不同的DQ、PS濾波器和短路延遲時間，并提供額外的中斷...
Getting Started with the DS278
Abstract: The DS2780K was created to make evaluating the DS2780 Standalone Fuel Gauge easy. The DS2780K Datasheet provides information on connecting the hardware and installing the software on the PC. This Application Note provides a detai...
2009-04-30 標簽：DS2780 1667
簡單的表征電路充電節AA電池-Simple Characte
Abstract: This characterization circuit, plus a PC and some software, accurately measures the full discharge cycle for a rechargeable AA cell. Cell capacity and output resistance can easily be determined from the curve resulting from these...
2009-04-30 標簽： 1536
電池電量計：以精度制勝
摘要：電池電量計用于確定可充電電池中的剩余電量以及在特定工作條件下電池還能持續供電的時間，本應用筆記討論測量鋰離子電池剩余電量所面臨的挑戰以及面對這些挑戰所采...
2009-04-30 標簽：電量計 2565
基于開路電壓(OCV)的電量計DS2786
摘要：DS2786是基于開路電壓(OCV)的電量計，可報告儲存在鋰離子(Li+)電池中的總電量。正常工作溫度條件下，OCV是理想的鋰離子(Li+)電池存儲容量指示器。然而，由于電池阻抗隨溫度...
2009-04-30 標簽：OCV 2258
DS2786電池電量計在2節鋰離子電池包中的使用
摘要：DS2786獨立式、開路電壓(OCV)檢測電量計設計用于單節鋰離子(Li+、Li-ion)電池。然而，只需在典型應用電路中添加幾個額外器件，DS2786即可用來測量2節鋰電池包的電量。本應用筆...
2009-04-30 標簽：DS2786 1475
基于DS2786電路的編程及測試
摘要：本文描述了如何對基于開路電壓的電池監視器DS2786的電路進行正確測試。文中給出了測試步驟，依據該步驟可以確認電路安裝是否正確。此外，文中還介紹了DS2786安裝到電路...
2009-04-30 標簽：DS2786 1262
獲取鋰離子(Li+)電池參數，用于基于開路電壓(OCV)的電
摘要：DS2786是一款基于開路電壓的電量計，能夠報告鋰離子電池總儲存電量。該器件在出廠前已經建立了理想的OCV曲線，可以精確估算Li+電池的剩余電量。DS2786 OCV電量計的精度可通...
2009-04-30 標簽：OCV 1564
DS2786電池電量計在2節電池供電系統主機側的使用
摘要：DS2786獨立式、開路電壓(OCV)檢測電量計針對單節鋰離子(Li+)電池包應用設計。然而，只需在典型應用電路中添加幾個額外器件，DS2786即可用來測量2節鋰離子電池包的電量。本應...
2009-04-30 標簽：DS2786 1287
多種電池組應用的DS2760或DS2761-Multiple
Abstract: This application note presents to the reader a recommended reference circuit design that supports monitoring and control of power delivery to a multiple battery system using the Dallas Semiconductor DS2760 or DS2761 battery monit...
The FET-OR Connection for Powe
Abstract: This power-supply sequencer senses a loss of the main supply voltage and, by controlling the two FETs, automatically switches the load to the secondary (backup) supply. The Figure 1 circuit provides a "diode-OR"...
2009-04-30 標簽：FET 962
編輯推薦廠商產品技術軟件/工具OS/語言教程專題
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