電源/新能源
提供權(quán)威的電源和新能源設(shè)計(jì)及電源管理資訊，內(nèi)容有醫(yī)療/工業(yè)電源、LED驅(qū)動(dòng)、數(shù)字電源、電池技術(shù)、太陽(yáng)能光伏等電源技術(shù)方案，包括電源測(cè)試/仿真/認(rèn)證、便攜電源、電動(dòng)車(chē)/新能源、AC-DC與DC-DC轉(zhuǎn)換、基準(zhǔn)/監(jiān)控/保護(hù)電路等專業(yè)領(lǐng)域。
選擇合適的系列電壓基準(zhǔn)源的絕對(duì)精度電壓輸出數(shù)模轉(zhuǎn)換器設(shè)計(jì)-S
Abstract: This article provides an in depth analysis, procedure, and selection tables for selecting the optimum series voltage reference for voltage output DACs. It covers all of the important parameters such as: input supply voltage, refe...
2009-05-06 標(biāo)簽： 788
手持給出系統(tǒng)柔性電路故障保護(hù)-Handy Circuit G
Abstract: When it is necessary to plug in a board into a system that is currently powered, it is critical to control the inrush current to prevent damage/system fault conditions. This application provides a simple circuit to achieve this f...
2009-05-06 標(biāo)簽：電路 1178
選擇最佳的電壓基準(zhǔn)源
摘要：電壓基準(zhǔn)源簡(jiǎn)單、穩(wěn)定的基準(zhǔn)電壓，作為電路設(shè)計(jì)的一個(gè)關(guān)鍵因素，電壓基準(zhǔn)源的選擇需要考慮多方面的問(wèn)題并作出折衷。本文討論了不同類型的電壓基準(zhǔn)源以及它們的關(guān)鍵...
2009-05-06 標(biāo)簽： 737
模擬集成電路的低電壓系統(tǒng)-Analog ICs for Lo
Abstract: This article about low-voltage ICs discusses many types of low-voltage ICs, including voltage regulators, data converters, op amps and current monitors, comparators, microprocessor supervisors, voltage references, analog switches...
2009-05-06 標(biāo)簽：集成電路 897
Keep Power Consumption in Chec
Abstract: Portable electronic devices usually include a single 3- or 4-connector jack which can be a stereo headphone jack, a mono headphone jack with microphone input and hook switch, or a stereo headphone jack with microphone/hook-switch...
2009-05-06 標(biāo)簽：Low-Power 1193
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...
硅雙極寬帶鎖相環(huán)積木塊集成電路-A Silicon Bipo
Abstract: A broadband phase-lock loop (PLL) building block integrated circuit (IC) that can accommodate signal frequencies from 0.5GHz to 9GHz is presented. The design integrates a prescaler with selectable divide ratio, a phase detector, ...
2009-05-06 標(biāo)簽：集成電路 1020
峰值采樣電路在渦流電導(dǎo)儀中的應(yīng)用
介紹了利用單片機(jī)中斷功能，結(jié)合峰值采樣電路對(duì)渦流正弦信號(hào)進(jìn)行峰值檢波的方法，該方法適用范圍廣，具有較好的實(shí)用性。? 關(guān)鍵詞：峰值采樣, 單片機(jī), 中...
創(chuàng)建非線性傳遞函數(shù)與線性電位器電路-Creating Non
Abstract: Linear digital potentiometers (pots) can be used in non-linear applications such as adjusting volume control in audio applications. This article discusses how to create a "pseudo-logarithmic" taper digital pot by simply adding a ...
2009-05-05 標(biāo)簽：電位器 1006
低噪聲音頻電源電路-Low Noise Audio Powe
Abstract: Audio application note describes a simple, compact scheme that provides a low noise, low ripple power source for use in audio amplifiers, microphones, headphone amplifiers, CODECs and other audio circuits. ...
Calculate Ratiometric Outputs
Abstract: The DS1802 is a dual audio taper-potentiometer with logarithmic resistive characteristics over the device range. Each potentiometer provides 65 wiper positions with a 1dB increment per step and device mute with at least 90dB of a...
2009-05-05 標(biāo)簽：DS1802 2082
利用Direc tDrive技術(shù)從3.3V單電源產(chǎn)生2VRM
摘要：本應(yīng)用筆記將Maxim的DirectDrive技術(shù)與傳統(tǒng)的單電源供電音頻線驅(qū)動(dòng)器相比較，給出了DirectDrive結(jié)構(gòu)的優(yōu)點(diǎn)，特別是在機(jī)頂盒和電纜調(diào)制解調(diào)器應(yīng)用中的優(yōu)勢(shì)。 ...
2009-05-05 標(biāo)簽：驅(qū)動(dòng) 955
自動(dòng)電平控制簡(jiǎn)介
摘要：自動(dòng)電平控制(ALC)是一種自動(dòng)控制輸出給揚(yáng)聲器的功率的技術(shù)。ALC可防止揚(yáng)聲器過(guò)載并優(yōu)化動(dòng)態(tài)范圍。本應(yīng)用筆記簡(jiǎn)單介紹ALC技術(shù)，并展示了其在MAX9756/MAX9757/MAX9758立體聲揚(yáng)聲...
2009-05-05 標(biāo)簽：電平 2186
Keep Power Consumption in Chec
Abstract: Portable electronic devices usually include a single 3- or 4-connector jack which can be a stereo headphone jack, a mono headphone jack with microphone input and hook switch, or a stereo headphone jack with microphone/hook-switch...
2009-05-05 標(biāo)簽：Low-Power 1368
參數(shù)測(cè)量單元(PMU)的布線指南
摘要：本應(yīng)用筆記討論了多種措施來(lái)指導(dǎo)系統(tǒng)設(shè)計(jì)人員采用正確的布局和信號(hào)走線技術(shù)。對(duì)布線設(shè)計(jì)和元件的相關(guān)介紹將減少用戶在使用PMU時(shí)的噪聲，并有助于處理散熱問(wèn)題。 ...
2009-05-05 標(biāo)簽：PMU 1446
節(jié)電模式降低繼電器驅(qū)動(dòng)功耗
摘要：本應(yīng)用筆記討論具有內(nèi)置節(jié)電電路、能降低總功耗的繼電器驅(qū)動(dòng)器MAX4822/MAX4824。在典型應(yīng)用中，總節(jié)電范圍能達(dá)5.5%至68.5%，具體數(shù)值取決于所使用的繼電器類型。節(jié)電模式還...
2009-05-05 標(biāo)簽：繼電器 1392
MAX9979管腳電子IC中PMU模式操作
摘要：該應(yīng)用筆記結(jié)合各種模式的等效電路圖介紹了MAX9979參數(shù)測(cè)量單元(PMU)最常用的四種工作模式(FVMI、FVMV、FIMI和FIMV)。關(guān)于各種功能的詳細(xì)介紹和模式操作請(qǐng)參考MAX9979數(shù)據(jù)資料。 ...
2009-05-05 標(biāo)簽：MAX9979 2558
人體各部位電阻實(shí)測(cè)例子及電阻表
人體各部位電阻實(shí)測(cè)例子及電阻表 由以上人體對(duì)電流的反應(yīng)和人體...
2009-05-05 標(biāo)簽：人體 6186
人體對(duì)電流的反應(yīng)
人體對(duì)電流的反應(yīng) 一般人體能感覺(jué)到刺激的電流值大約是1 mA,，當(dāng)人體通過(guò)5~20mA...
基于MODBUS通信協(xié)議的低壓交流配電柜智能監(jiān)控系統(tǒng)
基于MODBUS通信協(xié)議的低壓交流配電柜智能監(jiān)控系統(tǒng) 介紹了一種基于MODBUS協(xié)議的低壓開(kāi)關(guān)柜智能監(jiān)測(cè)系統(tǒng)：以工控機(jī)為主站，帶協(xié)議接口的智能控制...
充電管理芯片BQ2057及其應(yīng)用
充電管理芯片BQ2057及其應(yīng)用 摘要：本文介紹美國(guó)TI公司生產(chǎn)的先進(jìn)鋰電池充電管理芯片BQ2057，利用BQ2057系列芯片及簡(jiǎn)單外圍電路可設(shè)計(jì)低成本...
2009-05-04 標(biāo)簽：充電 16980
鋰離子電池詳細(xì)介紹
鋰離子電池詳細(xì)介紹 便攜式電子產(chǎn)品以電池作為電源。隨著便攜式產(chǎn)品的迅猛發(fā)展，各種電池的用量大增，并且開(kāi)發(fā)出許多新型電池。除大家較熟悉的高性能堿性電池...
2009-05-04 標(biāo)簽：鋰離子 1235
電壓型逆變器集成電路形式高效軌道器-Voltage-Inve
A switched-capacitor voltage inverter configured as a "rail splitter" (IC1 in Figure 1) provides a bipolar (dual-rail) local power supply that is useful in single-rail systems featuring one or more dual-rail ICs. Moreover, the tiny SOT-23 ...
2009-05-04 標(biāo)簽：逆變器 875
可滿載啟動(dòng)的開(kāi)關(guān)型轉(zhuǎn)換器
摘要：本文介紹的啟動(dòng)電路由微處理器(µP)監(jiān)控電路MAX809L和電荷泵組成，用于監(jiān)視升壓轉(zhuǎn)換器的輸出電壓。高效升壓控制器MAX608用于提升輸出電壓，電荷泵電路受監(jiān)控電路MAX809L...
2009-05-04 標(biāo)簽：轉(zhuǎn)換器 684
3.3V Supply Taps Power from th
Additional Information: Quick View Data Sheet for the MAX668 Samples and Literature Order Form Technical Support: PowerThe backplanes of popular multisupply buses (such as VME, VXI, an...
2009-05-04 標(biāo)簽：PCI 1417
監(jiān)測(cè)集成電路監(jiān)控電池供電設(shè)備-Supervisor ICs
Abstract: To ensure correct operation, most microprocessor-based systems require supervision during power-up and power-down, and when entering or exiting shutdown or sleep mode. The supervisor may only provide a power-on reset, or it may o...
2009-05-04 標(biāo)簽：集成電路 1306
Step-up Converter with LDO Bea
Abstract: A step-up converter followed by an LDO regulator offers better battery life than a classic SEPIC design when operating from one lithium-ion cell. This is demonstrated with the MAX1800 multi-channel digital camera power IC for the...
2009-05-04 標(biāo)簽：ldo 3040
MAX6652監(jiān)控系統(tǒng)結(jié)合電壓監(jiān)測(cè)與溫度傳感-MAX6652
Abstract: The MAX6652 temperature sensor combines voltage and overtemperature monitoring into a single integrated circuit. This device features an 8-bit analog-to-digital converter (ADC) for monitoring four window voltages with programmabl...
2009-05-04 標(biāo)簽：MAX6652 894
SLIC電源設(shè)計(jì)-SLIC Power-Supply Des
Abstract: Integrated communication systems incorporate voice service with data service. Such systems use subscriber-line interface card (SLIC) functions to maintain compatibility with legacy equipment. The voltages required in these system...
2009-05-04 標(biāo)簽：SLIC 2799
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