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(zhuān)業(yè)領(lǐng)域。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...
2009-04-21 標(biāo)簽:Power 1291
選擇高亮度LED驅(qū)動(dòng)器用于汽車(chē)照明應(yīng)用
Abstract: This application note provides an overview of HB LED driver selection criteria for automotive lighting applications. It reviews HB LED driver topologies and recommends configurations for various automotive lighting applications, ...
2009-04-21 標(biāo)簽:led驅(qū)動(dòng)器 624
ResourceSmart™ (Green) I
Abstract: As consumers demand environmentally friendly ("green," or ResourceSmart) electronics, design engineers must seek new design techniques, standards, and products. This application note lists links to a variety of government, indust...
2009-04-21 標(biāo)簽: 555
Designing a 4-20mA Current Loo
Abstract: Current-mode data transmission is the preferred technique in many environments, particularly in industrial applications. This application note describes the design of a 4-20mA current loop using the MAX1459 sensor signal conditio...
2009-04-20 標(biāo)簽:Designing 3401
Sawtooth Generator Exhibits ~1
Abstract: Two integrated circuits (ICs) and some associated components form a voltage-controlled sawtooth generator that costs less than $3 and produces an auxiliary square wave at the same frequency. The generator is useful in a varie...
2009-04-20 標(biāo)簽:Sawtooth 1347
Buffered Linear-Ramp Generator
Abstract: A precision ramp generator produces a 0 to 5V ramp while operating from a single 5V supply. Using standard circuits and no auxiliary voltage generators, such as charge pumps or inductive DC-DC converters, it is ...
2009-04-20 標(biāo)簽:Linear-Ram 2244
DS1090頻率計(jì)算器
摘要:本應(yīng)用筆記提供一個(gè)簡(jiǎn)單易用的頻率計(jì)算器,用于確定適當(dāng)?shù)男吞?hào)、偏置電阻以及DS1090低頻、電阻可編程、擴(kuò)頻EconOscillator™的輸入設(shè)置。DS1090可提供125kHz至8MHz的擴(kuò)頻、方...
2009-04-20 標(biāo)簽: 582
簡(jiǎn)化電源測(cè)試的SPST雙極性功率開(kāi)關(guān)
摘要:本應(yīng)用筆記介紹了一種獨(dú)立的隔離SPST (單刀/單擲)雙極性電源開(kāi)關(guān),用于產(chǎn)生200A、75V瞬變信號(hào)。該開(kāi)關(guān)能夠用來(lái)測(cè)試電源或電源IC,用于高速電路的測(cè)試,開(kāi)關(guān)的通、斷時(shí)間可...
2009-04-20 標(biāo)簽: 1339
Analog Switches Operate With 3
Abstract: By adding a voltage doubler and voltage inverter, a single 3V or 5V power supply can produce the voltages necessary to improve the performance on a dual voltage analog switch. With the higher power supplies and wider range, the o...
2009-04-20 標(biāo)簽:Operate 1076
Minimizing Total Harmonic Dist
Abstract: Analog switches are commonly used in audio systems to switch low-level inputs or adjust audio filter characteristics. Selecting the proper analog switch can help optimize the total harmonic distortion (THD) of a system within the...
2009-04-20 標(biāo)簽:Systems 1447
Analog Switch Lowers Relay Pow
Abstract: Design idea outlining a method to use an analog switch and discrete components to reduce the power dissipated in relay actuation. Relays are often used as electrically controlled switches. Unlike transistors, th...
2009-04-20 標(biāo)簽:Power 1815
Selectable-Range Current Loop
Abstract: This article shows an example of implementing a 4-20mA or 0-20mA current-loop output using a voltage output digital-to-analog converter (DAC) and a V to I converter. Current-loop signals, as opposed to voltage s...
Fault Protection Saves Multipl
Abstract: Discrete components are available to protect against faults caused when a voltage applied to the input of a switch, mux, or signal-line circuit protector exceeds the voltage at the power supply pins. A more practical approach to ...
Selecting the Right CMOS Analo
Abstract: This tutorial outlines the basic construction, operation, and applications of analog switches. On-resistance, flatness, and charge-injection, each a performance-related specification, are defined. Application-specific features in...
2009-04-20 標(biāo)簽:CMOS 1398
Multiplexer Enables Pseudomult
Abstract: A circuit is described that allows four remote RS-232 transceivers to share a single UART. A dual four-to-one multiplexer permits transceiver IC1 to form a network with the four remote transceivers. RS-232 commu...
2009-04-20 標(biāo)簽:RS-232 1378
High-Speed Pulse Generator Has
Abstract: As integrated circuits (ICs) speed up, the rise/fall times of most pulse and function generators (5ns typical) become inadequate for measuring time intervals below 20ns. You can overcome this limitation with analog switches or ad...
2009-04-20 標(biāo)簽:High-Speed 1751
低電壓故障保護(hù)
摘要:本應(yīng)用筆記討論過(guò)壓保護(hù)在連接系統(tǒng)電路的開(kāi)關(guān)和復(fù)用器中的必要性。MAX4711/MAX4712/MAX4713模擬開(kāi)關(guān)工作在2.7V至11V,集成了故障保護(hù)功能。本文還介紹了其它幾種故障保護(hù)方案...
2009-04-20 標(biāo)簽:電壓 1240
利用模擬開(kāi)關(guān)實(shí)現(xiàn)T1/E1/J1的N+1冗余
摘要:具有多端口T1/E1/J1線卡的現(xiàn)代通信系統(tǒng)通過(guò)增加冗余來(lái)滿足電信網(wǎng)絡(luò)的高可用性要求。過(guò)去,這些系統(tǒng)曾經(jīng)用繼電器來(lái)實(shí)現(xiàn)N+1冗余切換。隨著每個(gè)線卡上的T1/E1/J1端口數(shù)和每...
2009-04-20 標(biāo)簽:模擬開(kāi)關(guān) 2770
Protecting Against Momentary P
Abstract: Impact or vibration can cause momentary interruptions when batteries lose contact. To ensure continuity of power in battery-powered systems, add this three-IC circuit. When you drop a battery-powered device, the...
2009-04-20 標(biāo)簽: 595
電池與PWM充電電源短路保護(hù)
摘要:本應(yīng)用筆記提供了一個(gè)簡(jiǎn)單的蜂窩電話電池充電系統(tǒng)的保護(hù)方案,避免在基帶處理器閉鎖時(shí)損壞電池。該電路通過(guò)監(jiān)視處理器和插接操作,避免電池與PWM充電電源短路。 ...
2009-04-20 標(biāo)簽:PWM 2129
IC驅(qū)動(dòng)多達(dá)四個(gè)單線圈鎖定繼電器
摘要:?jiǎn)尉€圈鎖定繼電器在信號(hào)路由、音頻、汽車(chē)系統(tǒng)類(lèi)的應(yīng)用中經(jīng)常被使用。由于線圈電流需要在同一個(gè)線圈中雙向傳輸,因此在繼電器的兩個(gè)狀態(tài)間對(duì)其進(jìn)行驅(qū)動(dòng)成為一個(gè)設(shè)計(jì)...
2009-04-20 標(biāo)簽:繼電器 1381
Using DS4510/DS4520/DS4550 to
Abstract: Many high-reliability systems maintain a backup copy of their flash memory should a new software download become unusable for any reason. This application note describes how the DS4510, DS4520, and DS4550 non-volatile I/O expande...
2009-04-20 標(biāo)簽:Memory 1349
Driving White LEDs in Clamshel
Abstract: A switching-converter IC—designed as a white-LED driver—and an analog switch control three forms of LED illumination in a mobile (clamshell) phone. This circuit multiplexes the drive to three sets of LEDs fo...
2009-04-20 標(biāo)簽:led 751
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(lèi)型。節(jié)電模式還...
2009-04-20 標(biāo)簽:繼電器 2049
DS33X162產(chǎn)品線的FAQ
摘要:本應(yīng)用筆記是DS33X162 EoPDH以太網(wǎng)映射器產(chǎn)品線的常見(jiàn)問(wèn)題解答(FAQ)。DS33X162產(chǎn)品線可以應(yīng)用于運(yùn)營(yíng)級(jí)以太網(wǎng)、以太分界設(shè)備、以太網(wǎng)接入、MSPP、DSLAM、ROADM、微波通信、WAN路由器...
2009-04-20 標(biāo)簽:DS33X162 1659
改善USB 2.0開(kāi)關(guān)系統(tǒng)的響應(yīng)特性
摘要:本應(yīng)用筆記介紹如何利用MAX4906EF實(shí)現(xiàn)一個(gè)超低功耗、低成本的雙USB 2.0端口切換開(kāi)關(guān)。這個(gè)電路在幾乎沒(méi)有增加電流消耗的情況下為USB設(shè)計(jì)增加了一個(gè)2:1開(kāi)關(guān),從而使幾個(gè)插座...
2009-04-20 標(biāo)簽:usb 1336
使用MAX4951 SATA雙向轉(zhuǎn)接器驅(qū)動(dòng)eSATA電纜
摘要:采用增強(qiáng)串行ATA (eSATA),帶有外部驅(qū)動(dòng)的計(jì)算機(jī)系統(tǒng)在性能上實(shí)際與內(nèi)部驅(qū)動(dòng)計(jì)算機(jī)系統(tǒng)相當(dāng),要比USB 2.0快得多。eSATA提供單獨(dú)的接收/發(fā)送通道,速率高達(dá)3.0Gbps,而USB 2.0只是...
2009-04-20 標(biāo)簽: 777
編輯推薦廠商產(chǎn)品技術(shù)軟件/工具OS/語(yǔ)言教程專(zhuān)題
| 電機(jī)控制 | DSP | 氮化鎵 | 功率放大器 | ChatGPT | 自動(dòng)駕駛 | TI | 瑞薩電子 |
| BLDC | PLC | 碳化硅 | 二極管 | OpenAI | 元宇宙 | 安森美 | ADI |
| 無(wú)刷電機(jī) | FOC | IGBT | 逆變器 | 文心一言 | 5G | 英飛凌 | 羅姆 |
| 直流電機(jī) | PID | MOSFET | 傳感器 | 人工智能 | 物聯(lián)網(wǎng) | NXP | 賽靈思 |
| 步進(jìn)電機(jī) | SPWM | 充電樁 | IPM | 機(jī)器視覺(jué) | 無(wú)人機(jī) | 三菱電機(jī) | ST |
| 伺服電機(jī) | SVPWM | 光伏發(fā)電 | UPS | AR | 智能電網(wǎng) | 國(guó)民技術(shù) | Microchip |
| Arduino | BeagleBone | 樹(shù)莓派 | STM32 | MSP430 | EFM32 | ARM mbed | EDA |
| 示波器 | LPC | imx8 | PSoC | Altium Designer | Allegro | Mentor | Pads |
| OrCAD | Cadence | AutoCAD | 華秋DFM | Keil | MATLAB | MPLAB | Quartus |
| C++ | Java | Python | JavaScript | node.js | RISC-V | verilog | Tensorflow |
| Android | iOS | linux | RTOS | FreeRTOS | LiteOS | RT-THread | uCOS |
| DuerOS | Brillo | Windows11 | HarmonyOS |









































