內(nèi)涵PCB及其原理圖（原PCB為crazyboye所制，Gavin盡量把雙面改一面，因為學校沒有制版機）
上傳時間： 2013-11-24
上傳用戶：674635689
Abstract: Rail splitting is creating an artificial virtual ground as a reference voltage. It is used to set the signalto match the op amp's "sweet spot." An op amp has the most linear- and distortion-free qualities at that sweetspot. Typically, the sweet spot occurs near the center between the single POWER rail and ground. In the case ofa number of signals, the virtual ground can control channel DC errors when multiplexing or switching thesignals.
標簽： 電源調(diào)整 虛擬地
上傳時間： 2013-10-23
上傳用戶：wushengwu
上海晶豐明源半導體有限公司(Bright POWER Semiconductor ) 是一家從事電源管理芯片設計和銷售的公司，公司主要產(chǎn)品是大功率LED驅(qū)動芯片.
上傳時間： 2013-10-16
上傳用戶：aysyzxzm
The CN3052A is a complete constant-current /constant voltage linear charger for single cell Li-ion and Li Polymer rechargeable batteries. The device contains an on-chip POWER MOSFET and eliminates the need for the external sense resistor and blocking diode.
上傳時間： 2013-11-10
上傳用戶：子虛烏有
This document presents design techniques and reference circuits that POWER Virtex™-4 FXRocketIO™ multi-gigabit transceivers (MGTs) operating at data rates below 3.125 Gb/s.When using multiple transceivers, it is sometimes preferred to POWER them from a switchingPOWER supply. However, switching POWER supplies generate noise that affects transceiver
上傳時間： 2013-11-18
上傳用戶：huang111
The LT®1943 is a highly integrated, 4-output regulatordesigned to POWER large TFT LCD panels. The LT1943employs switching regulators—instead of linear regulators—to minimize POWER dissipation and accommodate awide input voltage range. The wide input range, 4.5V to22V, allows it to accept a variety of POWER sources,including the commonly used 5V, 12V and 19V AC adaptors.
標簽： TFT LCD 四路輸出 開關轉(zhuǎn)換器
上傳時間： 2013-10-19
上傳用戶：yuhaihua_tony
Abstract: It is critically important that lithium-ion battery stacks have a good battery-management system for monitoring many cellvoltages and cell temperatures. Without that monitoring, thermal runaway can lead to a battery explosion. This design idea presentsa low-POWER circuit that measures the temperature of up to 12 thermistors. It POWERs and configures the multiplexers, and also putsthe muxes into shutdown to save POWER when not measuring temperatures.
標簽： 電池管理系統(tǒng) 多點 溫度測量 方案
上傳時間： 2013-10-29
上傳用戶：xwd2010
POWER over Ethernet (PoE) is a new development thatallows for the delivery of POWER to Ethernet-based devicesvia standard Ethernet CAT5 cable, precluding the need forwall adapters or other external POWER sources. The PoEspecification defines a hardware detection protocol wherePOWER Sourcing Equipment (PSE) is able to identify PoEPOWERed Devices (PDs), thus allowing full backwardscompatibility with non-PoE-aware (legacy) Ethernetdevices.
標簽： PoE 電池電路 擴展 以太網(wǎng)供電
上傳時間： 2013-11-11
上傳用戶：daoyue
Linear Technology offers a variety of devices that simplifyconverting POWER from a USB cable, but the LTC®3455represents the highest level of functional integration yet. The LTC3455 seamlessly manages POWER flowbetween an AC adapter, USB cable and Li-ion battery,while complying with USB POWER standards, all from a4mm × 4mm QFN package. In addtion, two high efficiencysynchronous buck converters generate low voltage railswhich most USB-POWERed peripherals require. TheLTC3455 also provides POWER-on reset signals for themicroprocessor, a Hot SwapTM output for POWERingmemory cards as well as an uncommitted gain blocksuitable for use as a low-battery comparator or an LDOcontroller. The PCB real estate required for the entire USBPOWER control circuit and two DC/DC converters is only225mm2.
上傳時間： 2013-11-02
上傳用戶：名爵少年
The core voltages for FPGAs are moving lower as a resultof advances in the fabrication process. The newest FPGAfamily from Altera, the Stratix® II, now requires a corevoltage of 1.2V and the Stratix, Stratix GX, HardCopy®Stratix and CycloneTM families require a core voltage of1.5V. This article discusses how to POWER the core and I/Oof low voltage FPGAs using the latest step-down switchmode controllers from Linear Technology Corporation.
上傳時間： 2013-10-08
上傳用戶：wangfei22
