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電源設(shè)計應(yīng)用
采用PIC單片機芯片的三相半控整流電路設(shè)計
三相半控整流橋電路結(jié)構(gòu)是一種常見的整流電路，其容易控制，成本較低。本文中介紹了一種基于 PIC690單片機與專用集成觸發(fā)芯片TC787的三相半控整流電路，它結(jié)合專用集成...
2009-04-24 標簽：整流 1775
DVS與AVS的原理及設(shè)計應(yīng)用
在電池供電的嵌入式系統(tǒng)中，或采用高效率的電源管理芯片，或采用大容量的電池以解決能耗問題。但這兩種辦法已無法滿足快速增長的芯片動態(tài)功耗和靜...
2009-04-24 標簽：DVS 3189
A Comparison between Battery B
Abstract: Dallas Semiconductor nonvolatile (NV) SRAMs are backed up with an internal battery. Some other NV memories on the market, such as NOVRAMs, back up the data with internal EEPROM. This application note discusses the difference...
2009-04-24 標簽： 916
Battery Monitoring in NV SRAM
Abstract: As a prerequisite to this article, it is recommended that Application Note 505 be reviewed to gain a better understanding of the general behavior of lithium coin-cell batteries.Dallas Semiconductor offers a variety of pro...
電阻電橋基礎(chǔ)
摘要：電橋是用來精密測量電阻或其他模擬量的一種非常有效的方法。本文繼第一部分之后，介紹了如何實現(xiàn)具有較大信號輸出的硅應(yīng)變計與模數(shù)轉(zhuǎn)換器(ADC)的接口。特別是Σ-Δ ADC，...
DC/DC輻照損傷與VDMOS器件噪聲相關(guān)性研究
大量的研究表明，低頻噪聲除了與產(chǎn)品性能有關(guān)之外，還與產(chǎn)品質(zhì)量和可靠性密切相關(guān)。國內(nèi)外出現(xiàn)了一系列使用低頻噪聲特別是1/f噪聲表征器件可靠性的方法，這些器件不...
2009-04-23 標簽：DC/DC 779
上網(wǎng)本電源管理系統(tǒng)的設(shè)計挑戰(zhàn)
上網(wǎng)本的電源管理系統(tǒng)可分為以下幾部分：1. 電池充電和管理；2. CPU 處理器供電；3.系統(tǒng)5V/3.3V供電；4. I/O和顯卡供電；5. 顯示背光供電；6. DDR存儲器供電。 &nb...
2009-04-23 標簽：電源管理 659
Battery-Switchover Circuit Acc
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. ...
2009-04-23 標簽： 1180
大型電容器替代備用電池-Large Capacitor Re
Abstract: Use a supercap to reduce cost of simple battery backup circuits. In low-power systems that require a battery backup switchover circuit during brownout conditions, a supercap may provide adequate power to maintain memory operation...
2009-04-23 標簽：電容器 988
PC Chipset Power Fail and Rese
Abstract: The following application note discusses the advantages of using the DS1632 PC Power Fail and Reset Controller to consolidate various power management functions into one device vs. using discreet components. The DS1632 performs c...
2009-04-23 標簽：Chipset 1896
在斷電時如何保存數(shù)據(jù)-How to Save Data Du
Abstract: The following application note discusses how the DS1233 can be used to save data during a power failure without corrupting the NV SRAM. For many memory systems requiring nonvolatile memory, Dallas Semiconductor ...
2009-04-23 標簽：數(shù)據(jù) 2232
微電路具有自動關(guān)機和低電池鎖定功能-Micropower C
Abstract: The following application note provides a circuit that automatically performs shutdown, power-up, and low-battery lockout functions without the need for software control. This micropower circuit provides shutdow...
2009-04-23 標簽：微電路 1040
最大限度地延長電池壽命，減少更換-Maximize Batt
Abstract: The MAX6326 microprocessor supervisor is used in an application to provide a battery switchover circuit when the wall adapter is disconnected. The reset output drives an external MOSFET that is used as a switch. This switchover c...
2009-04-23 標簽： 585
低成本供應(yīng)交流-Low-Cost AC Supply
Abstract: The following application note discusses a low-cost solution to implement a 3V, 3.3V or 5V logic supply from AC power. It uses the MAX6330 shunt regulator which can supply up to 50mA as well as offering a reset output (power-on r...
2009-04-23 標簽：電源 812
Battery Monitoring in NV SRAM
Abstract: As a prerequisite to this article, it is recommended that Application Note 505 be reviewed to gain a better understanding of the general behavior of lithium coin-cell batteries.Dallas Semiconductor offers a variety of pro...
2009-04-23 標簽：Battery 1891
上電復(fù)位與相關(guān)監(jiān)控功能
摘要：本文討論用于單電源或雙電源處理器的上電復(fù)位功能和門限電壓的選擇策略，另外，還探討了手動復(fù)位、電源失效和低電壓檢測等功能。文中闡述了避免使用分立POR和處理器...
2009-04-23 標簽：復(fù)位 845
高可靠系統(tǒng)的電源電壓監(jiān)控和排序
摘要：該應(yīng)用筆記說明高可靠系統(tǒng)中合理監(jiān)控電源電壓和電源排序的必要性，給出了監(jiān)控器的選擇標準，并說明上電復(fù)位(POR)電路、多電壓監(jiān)控和余量功能的必要性。另外，還討論了...
過壓保護的備用電路: 技巧和竅門
摘要：過壓保護(OVP)器件用于保護后續(xù)電路免受甩負載或瞬間高壓的破壞，在某些特定的應(yīng)用中，基本的過壓保護電路不足以勝任器件保護的要求，通常有以下兩種需求。第一，電路...
2009-04-23 標簽：備用電路 810
監(jiān)集成電路監(jiān)控電池供電設(shè)備-Supervisor ICs M
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...
2009-04-23 標簽：集成電路 696
復(fù)位電路確保有效的電源電壓-Reset Circuit En
Abstract: This article focuses on using an external MOSFET switch to ensure a valid system voltage is present before applying it to the load. This simple circuit uses a reset circuit and the MOSFET to provide a protection circuit during po...
2009-04-23 標簽：復(fù)位電路 2156
上電復(fù)位與相關(guān)監(jiān)控功能
摘要：本文討論用于單電源或雙電源處理器的上電復(fù)位功能和門限電壓的選擇策略，另外，還探討了手動復(fù)位、電源失效和低電壓檢測等功能。文中闡述了避免使用分立POR和處理器...
過壓保護的備用電路: 技巧和竅門
摘要：過壓保護(OVP)器件用于保護后續(xù)電路免受甩負載或瞬間高壓的破壞，在某些特定的應(yīng)用中，基本的過壓保護電路不足以勝任器件保護的要求，通常有以下兩種需求。第一，電路...
單電源運算放大器的偏置與去耦電路設(shè)計
目前在許多手持設(shè)備、汽車以及計算機等設(shè)備只用單電源供電，但是單電源容易出現(xiàn)不穩(wěn)定問題，因此需要在電路外圍增加輔助器件以提高穩(wěn)定性。在電路圖1中展示了單電源供電運...
2009-04-22 標簽：單電源 4462
DS1077L EconOscillator建筑與在線互動式
Abstract: Theory of operation and description of the DS1077 dual-output all-silicon EconOscillator. A link to an interactive frequency calculator permits calculation of available frequencies online. ECONOSCILLATOR ARCHITE...
2009-04-22 標簽：DS1077L 1136
專門針對數(shù)字光投影儀而優(yōu)化的電源設(shè)計
投影系統(tǒng)中的電源設(shè)計優(yōu)化體現(xiàn)在高強度放電 (HID) 或 LED 要求、功率因數(shù)校正以及能效方面。 TI 開發(fā)的數(shù)字光投影儀 (DLP) 顯示技術(shù)采用光半...
2009-04-22 標簽：投影 863
應(yīng)用處理器專用電源--TPS65024x
摘要：本文詳細說明了 TI 推出的TPS65024x電源產(chǎn)品系列之間的不同之處，此系列電源產(chǎn)品是專門為 PDA、智能電話以及導(dǎo)航系統(tǒng)的應(yīng)用處理器而設(shè)計的。 在為智能電話開發(fā)一款...
動態(tài)電源路徑管理簡化了太陽能板對電池的充電
動態(tài)電源路徑管理簡化了太陽能板對電池的充電 最初，TI 的線性充電穩(wěn)壓器bqTINY-III 系列只是設(shè)計用于通過一個 AC 適配器或 USB 端口為單體鋰離...
2009-04-22 標簽：動態(tài) 990
UC3855A/UC3855B高性能功率因數(shù)預(yù)調(diào)節(jié)器
UC3855A/B高性能功率因數(shù)預(yù)調(diào)節(jié)器 電源轉(zhuǎn)換器正朝著越來越高的功率密度的方向發(fā)展。通常，獲得這種高功率密度的方法是提高開關(guān)頻率，可以縮小濾波...
2009-04-22 標簽：功率因數(shù) 2527
編輯推薦廠商產(chǎn)品技術(shù)軟件/工具OS/語言教程專題
| 電機控制 | DSP | 氮化鎵 | 功率放大器 | ChatGPT | 自動駕駛 | TI | 瑞薩電子 |
| BLDC | PLC | 碳化硅 | 二極管 | OpenAI | 元宇宙 | 安森美 | ADI |
| 無刷電機 | FOC | IGBT | 逆變器 | 文心一言 | 5G | 英飛凌 | 羅姆 |
| 直流電機 | PID | MOSFET | 傳感器 | 人工智能 | 物聯(lián)網(wǎng) | NXP | 賽靈思 |
| 步進電機 | SPWM | 充電樁 | IPM | 機器視覺 | 無人機 | 三菱電機 | ST |
| 伺服電機 | SVPWM | 光伏發(fā)電 | UPS | AR | 智能電網(wǎng) | 國民技術(shù) | Microchip |
| Arduino | BeagleBone | 樹莓派 | STM32 | MSP430 | EFM32 | ARM mbed | EDA |
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| C++ | Java | Python | JavaScript | node.js | RISC-V | verilog | Tensorflow |
| Android | iOS | linux | RTOS | FreeRTOS | LiteOS | RT-THread | uCOS |
| DuerOS | Brillo | Windows11 | HarmonyOS |
