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保護(hù)電流檢測(cè)放大器反對(duì)過(guò)壓瞬變-Protect Curren
Abstract: This application note describes methods of protecting lower-voltage current sense amplifiers from high-voltage spikes and transients. Such conditions are frequently encountered in automotive car battery operation, and are referre...
2009-05-02 標(biāo)簽：放大器 748
電池切換電路制3V的系統(tǒng)-Battery-Switchove
Abstract: Portable systems often require operation from batteries or from a wall adapter. The MAX8865 low-dropout (LDO) linear regulator is used to provide the switchover function while supplying a regulator 2.84V that can deliver 100mA. ...
2009-04-30 標(biāo)簽：電路 1511
Using Dallas' 1-Wire ICs i
Abstract: This application note presents to the reader a recommended Li-Ion battery pack circuit design for using Dallas Semiconductor 1-Wire® products with low-side N-channel safety FETs. Critical design considerations concerning the ...
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(biāo)簽：IC 1056
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(biāo)簽：Battery 1451
隔離式電源電信應(yīng)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(biāo)簽：Power 1003
DS2746應(yīng)用注意事項(xiàng)
DS2746應(yīng)用注意事項(xiàng) 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(biāo)簽：Lithium-Io 1287
使用DS2760或DS2761電池監(jiān)視器多重電池應(yīng)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(biāo)簽：ESD 981
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(biāo)簽：Voltage 1435
補(bǔ)償檢測(cè)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(biāo)簽：電阻 752
雙向電流檢測(cè)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(biāo)簽：雙向電流 1526
使用DS2751電池電量計(jì)在多個(gè)電池包應(yīng)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(biāo)簽：DS2751 967
DS2740高精度庫(kù)侖計(jì)參考設(shè)計(jì)-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(biāo)簽：DS2740 4150
DS27xx電量計(jì)電路板布局技巧，實(shí)現(xiàn)測(cè)量誤差最小化
摘要：DS27xx系列是Dallas Semiconductor的電量計(jì)器件，專(zhuān)門(mén)設(shè)計(jì)用于精密測(cè)量電池的流入或流出電流。然而，當(dāng)采用外部檢流電阻時(shí)，如果不認(rèn)真考慮元件布局，則可能會(huì)降低檢測(cè)的精度...
合理的DS2780線路板布局降低電流測(cè)量失調(diào)誤差
摘要：DS2780電流測(cè)量失調(diào)誤差在很大程度上取決于電路板布局。應(yīng)盡可能縮小測(cè)量環(huán)路，以降低電感效應(yīng)對(duì)測(cè)量結(jié)果的影響。 概述適當(dāng)?shù)碾娐钒宀季謱?duì)于任何...
2009-04-30 標(biāo)簽：DS2780 1838
從DS2761升級(jí)到DS2762
摘要：DS2762是DS2761引腳兼容的替代產(chǎn)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(tài)以及不同的DQ、PS濾波器和短路延遲時(shí)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(biāo)簽：DS2780 1646
簡(jiǎn)單的表征電路充電節(jié)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(biāo)簽： 1506
電池電量計(jì)：以精度制勝
摘要：電池電量計(jì)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(xù)供電的時(shí)間，本應(yīng)用筆記討論測(cè)量鋰離子電池剩余電量所面臨的挑戰(zhàn)以及面對(duì)這些挑戰(zhàn)所采...
2009-04-30 標(biāo)簽：電量計(jì) 2485
DS2786K入門(mén)
摘要：DS2786K是專(zhuān)門(mén)設(shè)計(jì)以簡(jiǎn)化獨(dú)立式、基于開(kāi)路電壓(OCV)的電量計(jì)DS2786的評(píng)估。DS2786K數(shù)據(jù)資料中提供了硬件連接以及在PC上安裝軟件的相關(guān)說(shuō)明。本應(yīng)用筆記給出了DS2786K中術(shù)語(yǔ)的詳...
2009-04-30 標(biāo)簽：DS2786K 995
基于開(kāi)路電壓(OCV)的電量計(jì)DS2786
摘要：DS2786是基于開(kāi)路電壓(OCV)的電量計(jì)，可報(bào)告儲(chǔ)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(chǔ)容量指示器。然而，由于電池阻抗隨溫度...
2009-04-30 標(biāo)簽：OCV 2191
DS2786電池電量計(jì)在2節(jié)鋰離子電池包中的使用
摘要：DS2786獨(dú)立式、開(kāi)路電壓(OCV)檢測(cè)電量計(jì)設(shè)計(jì)用于單節(jié)鋰離子(Li+、Li-ion)電池。然而，只需在典型應(yīng)用電路中添加幾個(gè)額外器件，DS2786即可用來(lái)測(cè)量2節(jié)鋰電池包的電量。本應(yīng)用筆...
2009-04-30 標(biāo)簽：DS2786 1432
基于DS2786電路的編程及測(cè)試
摘要：本文描述了如何對(duì)基于開(kāi)路電壓的電池監(jiān)視器DS2786的電路進(jìn)行正確測(cè)試。文中給出了測(cè)試步驟，依據(jù)該步驟可以確認(rèn)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(biāo)簽：DS2786 1174
獲取鋰離子(Li+)電池參數(shù)，用于基于開(kāi)路電壓(OCV)的電
摘要：DS2786是一款基于開(kāi)路電壓的電量計(jì)，能夠報(bào)告鋰離子電池總儲(chǔ)存電量。該器件在出廠前已經(jīng)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(jì)的精度可通...
2009-04-30 標(biāo)簽：OCV 1511
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