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...

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...

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...

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...

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...

電路簡單電池消耗的措...

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...

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...

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...

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以內了。 ...

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(huán)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...

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(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是專門設計以簡化獨立式、基于開路電壓(OCV)的電量計DS2786的評估。DS2786K數據資料中提供了硬件連接以及在PC上安裝軟件的相關說明。本應用筆記給出了DS2786K中術語的詳...

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)檢測電量計設計用于單節(jié)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(jié)鋰電池包的電量。本應用筆...