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...

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...

摘要：DS27xx系列是Dallas Semiconductor的電量計器件，專門設(shè)計用于精密測量電池的流入或流出電流。然而，當(dāng)采用外部檢流電阻時，如果不認(rèn)真考慮元件布局，則可能會降低檢測的精度...

usb接口的電壓是多少？ USB接口的電壓是5.0V，電流要求是不大于500ma. 實際上功率就是限制在2.5W以內(nèi)了。 ...

摘要：DS2780電流測量失調(diào)誤差在很大程度上取決于電路板布局。應(yīng)盡可能縮小測量環(huán)路，以降低電感效應(yīng)對測量結(jié)果的影響。 概述適當(dāng)?shù)碾娐钒宀季謱τ谌魏?..

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間，并提供額外的中斷...

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...

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...

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(xù)供電的時間，本應(yīng)用筆記討論測量鋰離子電池剩余電量所面臨的挑戰(zhàn)以及面對這些挑戰(zhàn)所采...

摘要：DS2786K是專門設(shè)計以簡化獨立式、基于開路電壓(OCV)的電量計DS2786的評估。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)說明。本應(yīng)用筆記給出了DS2786K中術(shù)語的詳...

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...

摘要：DS2786獨立式、開路電壓(OCV)檢測電量計設(shè)計用于單節(jié)鋰離子(Li+、Li-ion)電池。然而，只需在典型應(yīng)用電路中添加幾個額外器件，DS2786即可用來測量2節(jié)鋰電池包的電量。本應(yīng)用筆...

摘要：本文描述了如何對基于開路電壓的電池監(jiān)視器DS2786的電路進行正確測試。文中給出了測試步驟，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...

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(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電量計的精度可通...

摘要：DS2786獨立式、開路電壓(OCV)檢測電量計針對單節(jié)鋰離子(Li+)電池包應(yīng)用設(shè)計。然而，只需在典型應(yīng)用電路中添加幾個額外器件，DS2786即可用來測量2節(jié)鋰離子電池包的電量。本應(yīng)...

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...

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"...

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...

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...

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...