Power USB
usbpd工作原理
usbpd工作原理USB PD（Power Delivery）是一种新一代的USB充电标准，它通过增加供电电压和电流的能力，帮助设备更快速地充电。
USB PD可以提供高达100W的供电能力，不仅可以用于手机、平板电脑等小型设备的充电，还可以用于笔记本电脑、显示器、电视等大型设备的供电。
USBPD的工作原理主要涉及以下三个方面：1. 功率协商（Power Negotiation）：USB PD允许连接的设备之间进行功率协商，以确定最佳的供电功率和电压。
这种协商通常是通过使用“握手”的方式进行的，即设备之间通过交换消息来达成一致。
USB PD提供了一个能够发送和接收特定命令的芯片，这个芯片将为设备间的能源协商提供支持。
当两个设备连接并且握手成功后，它们将根据双方的能源需求和供应能力来确定最佳的供电功率和电压。
2. 可变电压输出（Variable Voltage Output）：USB PD允许设备在不同的电压下进行供电，以满足不同设备的需求。
传统的USB标准使用5V的电压进行供电，而USB PD可以提供5V、9V、12V、15V、20V等不同的电压输出。
通过增加电压，可以提供更大的功率输出，从而实现更快速的充电。
这种可变电压输出的机制使得USB PD可以适应不同设备的需求，并为不同类型的设备提供定制化的供电解决方案。
3. 功率传输（Power Delivery）：USB PD通过多个通道进行功率传输，以实现更高的充电效率。
传统的USB标准通常只使用其中两对线缆进行数据传输和供电，而USB PD允许使用多个线缆对进行供电，从而提供更高的功率输出。
这种多通道功率传输的机制可以减少线缆的电压下降和功率损失，提高能量的传输效率。
USBPD的工作原理可以通过以下步骤来解释：1. 设备连接：当USB PD设备连接时，它们会通过CC （Configuration Channel）信号线进行通信，以了解对方的电源需求和供电能力。
什么是USBPowershare？
什么是USBPowershare？ USB power share顾名思义就是USB端⼝的电源共享，换句话说就是，给您的USB外设充电。
我们都知道，很多⼿机，MP3产品，MP4等⾳乐播放器等等，以及现在市⾯上林林总总可以通过USB⼝来供电和充电的设备越来越多，如果总是随时带着充电器，即不便利，⼜显得和时尚不相称。
现在我们就可以直接通过E系列笔记本给您的USB 外设充电功能了，怎么样，可以迷到像您这样的时尚达⼈吧。
⼆、USB充电具体需要作些什么设置？ USB充电是需要进⼊到BIOS中启⽤该项功能。
我们在E系列BIOS 左边项⽬区找到system Configuration下的USB Powershare项。
在BIOS右边的功能区，我们可以通过勾选"Enable USB Powershare"来启⽤USB的充电功能。
USB充电的功能主要是通过笔记本的电池拥有的电量来实现对外设的充电。
下⾯我们可以通过选择电池的电量剩余模式来设置是否充电。
0％电池可以⽆线给外设充电，直到笔记本电池耗尽，但是此项设置可能会导致电池过度放电，影响电池的续航时间。
25％电池电量消耗到25％即停⽌对USB外设进⾏充电。
BIOS默认为该项设置。
其余⼏项设置可以根据个⼈喜好来设置。
如果接上外接电源，也可以直接对USB外设进⾏充电。
三、如果E系列笔记本不能对USB外设充电，如何来诊断呢？ 1．确认您的USB设备是否具有使⽤USB充电功能，⽬前有些⼿机或者设备其实还不具备使⽤USB来充电的功能。
2．确保您的USB线功能正常。
3．确保E系列笔记本BIOS启⽤USB充电功能。
4．检查BIOS中的USB poweshare项⽬下的电量表是否设置到0％以上。
电池电量耗尽也⽆法再对USB外设进⾏充电了。
USB3.0 简介
USB 3.0 IntroductionRD Product ManagerSUNIX TaiwanVer2.2Index•USB3.0 Market•USB History•USB3.0 Specification •Chipset Solution •SUNIX USB3.0 Product •SUNIX Product Roadmap•AppendixWhy USB3.0?•Data rate Requirements✓Increase data itself-HD Video: 4.7GB(DVD-R), 25G(BD-R)✓Increase the size of media-HDD: 500GB, HD-DVD:15GB✓New higher data rate media-Flash based products (SSD, HHD. etc.)Only 70sec to download14min to downloadUSB3.0 Super speedHD video 25GByteToo Slow !!HD video 25GByteFast, cool !!USB 3.05 GbpsUSB 2.0480 Mbps70 sec53.3 sec20 sec3.3 sec0.8 sec0.01 secUSB 3.013.9 min 8.9 min 3.3 min 33 sec 8.5 sec 0.1 sec USB 2.09.3 hr 5.9 hr 2.2 hr 22 min 5.7 min 5.3 sec USB 1.025 GB 16 GB 6 GB 1 GB 256 MB 4 MBHD-Movie USB Flash SD-Movie USB Flash 256 Flash Song/ Pic USB1.0(12Mbps)(1.5MB/s)USB2.0(480Mbps)(30MB/s)USB3.0(5Gbps)(over 300MB/s)USB Data RateData rate ThroughputUSB3.0 vs. eSATA•The user acknowledgement for USB is much higher than eSATA •Some PC and MB has eSATA, but, all PC will not it in the futureMost of PC vender and HDD vender expect USB3.0 rather than eSATADell, HP, Intel, Hitachi, Maxim, Seagate, Western DigitalIntel, Microsoft, HP,NXP, TI, NECCore members for spec.×◎User acknowledgement △Under consideration◎Up to 900mABus powered△(2m)△(5m)Cable length △Effective:100MB/s○Effective:300MB/sData rate △Storage◎All of existing USBapplication Application eSATAUSB3.0USB3.0 Development20072008200920102011PC with Chipset Chipset integrationHost Controller DesignUSB3.0 SPEC PromotersGroupStandards Development ProductDevelopment USB3.0 HostController Design•USB3.0 Promoter GroupSUNIX Board MPAdvanced Market for Add-On Card2012Target Market For USB3.0•USB3.0 Market is launched by Flash based products and HDD.•After that, DVC/DSC and Display will use USB3.0, too.2011~2009-2010SSD HDDMedia PlayerDVC DSCScannerCell PhoneMonitor :Replacement for RGB interface by USB3.0•Monitor:Internal flash will become higher density •Mobile :DVD/HDD may be replaced by flash memory •DSC,DVC USB3.0 device in 2nd stage and later:Needs higher data rate•HDD :Needs higher data rate •Flash Drive :Replacing for HDD market. And needs higher data rate •SSD :For video streaming•Media player USB3.0 device in 1st stageMarket for USB3.00500,0001,000,0001,500,0002,000,0002,500,0003,000,0003,500,0004,000,0002006200720082009201020112012USB3.0USB2.0USB1.0USB3.0 Market ForecastHigh speedTo U S B 3.0Source: In Stat, 3/03Units in ThousandsLow speedCable LengthPower SupplyTransmissionSpeedLogo5M5V / 900mA Dual-simplex, four wire differential signaling separate from USB2.0 signalingSimultaneous bi-directional data flowsLow-speed(1.5Mbps)Full-speed(12Mbps)High-speed(480Mbps)Super-speed(5.0Gbps)USB3.05M5V / 500mA Low-speed(1.5Mbps)Full-speed(12Mbps)High-speed(480Mbps)USB2.05M5V / 500mAHalf-duplex two-wire differential signaling Unidirectional data flow with negotiated directional bus transitionsLow-speed(1.5Mbps)Full-speed(12Mbps)USB1.1USB ComparisonUSB3.0 Standard-A Pin AssignmentsConnector metal shellShieldShellStdA_SSTX+9SuperSpeed transmitter differential pairStdA_SSTX-8Ground for signal return GND_DRAIN 7StdA_SSRX+6SuperSpeed receiverdifferential pair StdA_SSRX-5Ground for power return GND 4D+3USB2.0 differential pairD-2PowerVBUS 1DescriptionSignal NamePin NumberBackward Compatible with USB2.0 and 1.1Backward Compatible with USB2.0 and 1.1New USB3.0 PINNew USB3.0 PINUSB3.0 Standard-B Pin AssignmentsConnector metal shellShieldShellStdA_SSTX+9SuperSpeed transmitter differential pairStdA_SSTX-8Ground for signal return GND_DRAIN 7StdA_SSRX+6SuperSpeed receiverdifferential pair StdA_SSRX-5Ground for power return GND 4D+3USB2.0 differential pairD-2PowerVBUS 1DescriptionSignal NamePin NumberBackward Compatible with USB2.0 and 1.1Backward Compatible with USB2.0 and 1.1New USB3.0 PINNew USB3.0 PINUSB3.0 ConnecterUSB3.0 TypeA cable is completely compatible to USB1.1 & 2.0 connectors, therefore suit to all computer constructions, that will be the most important influence USB3.0 popularization.Blue (Pantone 300C) is the recommended color for the USB 3.0 Standard-A receptacle and plug plastic housings to help users distinguish it from the USB 2.0 Standard-A connector.Downer is standard 4-pin USB3.0 add upper 5-pinUSB3.0 Powered-B Pin AssignmentsGround return for DPWRDGND 11Power provided by Device DPWR 10Connector metal shellShieldShellStdA_SSTX+9SuperSpeed transmitter differential pairStdA_SSTX-8Ground for signal return GND_DRAIN 7StdA_SSRX+6SuperSpeed receiverdifferential pair StdA_SSRX-5Ground for power return GND 4D+3USB2.0 differential pairD-2PowerVBUS 1DescriptionSignal NamePin NumberBackward Compatible with USB2.0 and 1.1Backward Compatible with USB2.0 and 1.1New USB3.0 PINNew USB3.0 PIN Power Output PinPower Output PinPowered USB3.0 ApplicationStand USB data Communication and additional poweroutput UWB dongle or printer adapterNEC Host Controller Chipset Spec.•Product Name : µPD720200•Host Bus : PCI Express 2.0 x 1 Lane•USB ports : 2 ports•Comply spec to: PCI Express 2.0 Base SpecUSB3.0 reveion1.0Intel x HCI rev0.96 (1.0 TBD)•VDD :1.05V, 3.3VPCIExpress PCIExpress xHCIUSB3.0PHYUSB2.0PHYRoothubRoothubPort 1Port 2Port 1Port 2To USB receptacleNEC Chipset SolutionMay 2009: Released the world’s 1st Host controllerUSB3.0(SS) in Nov. 2008Apr 2007: Released the world’s 1st WHC/DWAWUSB in May 2005Jun 2000:Released the world’s 1st Hub controllerApr 2000:Released the world’s 1st Host controllerUSB2.0-Apr. 2000USB1.1-Sept. 1998Aug 1998:Released High-speed transceiverDec 1996:Released OHCI Host controller as custonUSB1.0-Jan. 1996NEC ElectronicsHistory of USBUSB2.0 Market shareHost HubNECElectronicsNECElectronicsOver 70%Over 30%Source: NEC ElectronicsTI Host Controller Chipset Spec.•Product Name : TSUB7320TSUB7340BUS : PCI Express 1.1 x 1 Lane•USB ports : 2 / 4 port•Comply spec to: PCI Express 2.0 Base SpecUSB3.0 reveion1.0Intel x HCI rev0.96PCIExpress PCIExpress xHCIUSB3.0PHYUSB2.0PHYRoothubRoothubPort 1Port 1To USB receptacleNEC Host Controller Chipset Spec.•Product Name : VL800•Host Bus : PCI Express 2.0 x 1 Lane•USB ports : 4 ports•Comply spec to: PCI Express 2.0 Base SpecUSB3.0 reveion1.0Intel x HCI rev0.96•VDD :1.05V, 3.3VPCIExpress PCIExpress xHCIUSB3.0PHYUSB2.0PHYRoothubRoothubPort 0~3Port 0~3USB3.0 Hub Controller Chipset Spec.•Product Name : SuperSpeed USB3.0 HUB•BUS : USB3.0•USB ports : 4 port•Comply spec to: USB3.0 reveion1.0Device Controller Chipset Spec.•Product Name : USB3.0 SATA Bridge•BUS : USB3.0 -to-SATA2•USB ports : 1 port•Comply spec to: USB3.0 reveion1.0Driver Support•Support Window XP / Vista / 7 / 2008R2•SUNIX Package with DriverNote:Do not support MAC OS until 2010 Q2Features•Supports PCI Express Base Specification Revision 2.0.•Single-lane ( x1) PCI Express throughput rates up to 5 Gbps.•Compliant with Universal Serial Bus 3.0 specification Revision 1.0.•Compliant with xHCI (eXtensible Host Controller Interface) specifications Revision 0.96.•Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices •Supports USB data transfer rate of 1.5/12/480/5000 Mbps.•Expands four external USB3.0 Super-Speed ports on the system.•Each USB port supplies maximum +5V / 900mA power output to USB device.•Built-in solid 4-pin power connector for receiving extra power supply from system.•Supports wake up function from USB device.•Each port built-in over current and ESD protection.•Hot-swapping feature allows you to connect/disconnect devices without powering down the system.•Driver supports for Microsoft Windows XP, Vista, and 7 operation system.•Certified by CE, FCC, RoHS, and Microsoft WQHL approval.SUNIX –USB4300USB3.0 Four ports PCI Express CardFeatures•Supports PCI Express Base Specification Revision 2.0.•Single-lane ( x1) PCI Express throughput rates up to 5 Gbps.•Compliant with Universal Serial Bus 3.0 specification Revision 1.0.•Compliant with xHCI (eXtensible Host Controller Interface) specifications Revision 0.96.•Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices •Supports USB data transfer rate of 1.5/12/480/5000 Mbps.•Expands two external USB3.0 Super-Speed ports on the system.•Each USB port supplies maximum +5V / 900mA power output to USB device.•Built-in 4-pin power connector for receiving extra power supply from system.•Hot-swapping feature allows you to connect/disconnect devices without powering down the system.•Driver supports for Microsoft Windows XP, Vista, and 7 operation system.•Certified by CE, FCC, RoHS, and Microsoft WQHL approval.SUNIX –USB2300USB3.0 Dual ports PCI Express CardSUNIX –ECU2300Features•Fully compliant with ExpressCard Specification 1.0.•Full single-lane (or x1) PCI Express throughput.•ExpressCard/34 form factor module•Compliant with Universal Serial Bus 3.0 specification Revision 1.0.•Compliant with xHCI (eXtensible Host Controller Interface) specifications Revision 0.96.•Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices •Supports USB data transfer rate of 1.5/12/480/5000 Mbps.•Expands two external USB3.0 Super-Speed ports on the system.•Built-in DC Jack connector for receiving extra power to meet USB3.0 +5V/900mA power output standard.•Hot-swapping feature allows you to connect/disconnect devices without powering down the system.•Driver supports for Microsoft Windows XP, Vista, and 7 operation system.•Certified by CE, FCC, RoHS, and Microsoft WQHL approval.USB3.0 Dual ports ExpressCardSUNIX –ECU2300Features•Patent mechanical design special for laptop ExpressCard solution•Fully compliant with ExpressCard Specification 1.0.•Full single-lane (or x1) PCI Express throughput.•ExpressCard/34 form factor module•Compliant with Universal Serial Bus 3.0 specification Revision 1.0.•Compliant with xHCI (eXtensible Host Controller Interface) specifications Revision 0.96.•Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices •Supports USB data transfer rate of 1.5/12/480/5000 Mbps.•Expands two external USB3.0 Super-Speed ports on the system.•Built-in DC Jack connector for receiving extra power to meet USB3.0 +5V/900mA power output standard.•Hot-swapping feature allows you to connect/disconnect devices without powering down the system.•Driver supports for Microsoft Windows XP, Vista, and 7 operation system.•Certified by CE, FCC, RoHS, and Microsoft WQHL approval.USB3.0 Single port ExpressCard(Embedded Type )SUNIX –EHD3000Features•USB3.0 to SATA EnclosureUniversal Serial Bus 3.0 interface up to 5Gbps data rate.•Compliant with 2.5”SATA I and SATA II Hard Disk Drives or SSD.•Supports simultaneous operation of multiple USB 3.0, 2.0, 1.1 interface•Supports USB data transfer rate of 1.5/12/480/5000 Mbps.•USB3.0 Bus power support without additional power supply.•Hot-swapping feature allows you to connect/disconnect devices without powering down the system.•Driver supports for Microsoft Windows XP, Vista, and 7 operation system.•Certified by CE, FCC, RoHS, and Microsoft WQHL approval.Optional:* Optional AES security protection* USB Attached SCSI Protocol (UASP)* SATA Gen3 6GSUNIX –SHB4300USB3.0 4-port HubFeatures•Expands four external USB3.0 Super-Speed ports.•Compliant with Universal Serial Bus 3.0 specification Revision 1.0.•Supports simultaneous operation of multiple USB 3.0, 2.0,and 1.1 devices•Supports USB data transfer rate of 1.5/12/480/5000 Mbps.•LED shows the status of each USB3.0 port.•Each USB port supplies maximum +5V / 900mA power output to USB device.•Built-in DC Jack power connector for receiving extra power supply.•Hot-swapping feature allows you to connect/disconnect devices without powering down the system.•Driver supports for Microsoft Windows XP, Vista, and 7 operation system.•Certified by CE, FCC, RoHS, and Microsoft WQHL approval.SUNIX –SHB4300USB3.0 3-port + USB2.0 2-port HubFeatures•Expands 3 external USB3.0 Super-Speed ports.4 external USB2.0 Super-Speed ports.•Compliant with Universal Serial Bus 3.0 specification Revision 1.0.•Supports simultaneous operation of multiple USB 3.0, 2.0,and 1.1 devices•Supports USB data transfer rate of 1.5/12/480/5000 Mbps.•LED shows the status of each USB port.•Each USB port supplies maximum +5V / 900mA power output to USB device.•Built-in DC Jack power connector for receiving extra power supply.•Hot-swapping feature allows you to connect/disconnect devices without powering down the system.•Driver supports for Microsoft Windows XP, Vista, and 7 operation system.•Certified by CE, FCC, RoHS, and Microsoft WQHL approval.SUNIX –BAY4300USB3.0 4-port Front BayFeatures•Expands four external USB3.0 Super-Speed ports to front panel.•Provides 2.5”and 5.25”form-factor type.•Supports simultaneous operation of multiple USB 3.0, 2.0,and 1.1 devices•Supports USB data transfer rate of 1.5/12/480/5000 Mbps.•LED shows the status of each USB3.0 port.•Each USB port supplies maximum +5V / 900mA power output to USB device.•4-pin power connector for receiving extra power supply from system.•Hot-swapping feature allows you to connect/disconnect devices without powering down the system.•Driver supports for Microsoft Windows XP, Vista, and 7 operation system.•Certified by CE, FCC, RoHS, and Microsoft WQHL approval.SUNIX USB3.0 Roadmap2009 Oct.2009 Nov.2009 Dec.2010 Jan.2010 Feb.HostControllerDeviceEnclosureDeviceHub 2010 Mar.2010 MayEngineer SampleMass ProductionMass ProductionMass ProductionAppendixBackward Compatible ApplicationUSB2.0 Device USB2.0 Cable X USB2.0 Device USB3.0 Cable USB3.0 Device USB2.0 Cable USB3.0 Device USB3.0 CableUSB2.0 Host USB2.0 Host USB3.0 Host USB3.0 HostPCI-E Ver1.0 / 1.1USB Device >150MB/sec 2.5GbpsUSB3.05.0Gbps SUNIX USB2300PCI-E Ver2.0USB Device >300MB/sec 5.0GbpsUSB3.05.0Gbps SUNIX USB2300The Performance of USB3.0The Performance of USB3.0The Performance of USB3.0The Performance of USB3.0•PCIe Gen2 + 32G SSDData Rate up to 180MB/sThe Performance of USB3.0The Performance of USB3.0•PCIe Gen1 + 32G SSDData Rate up to 113MB/sThe Performance of USB3.0The Performance of USB3.0•PCIe Gen2 + 250G SATA2 HDDData Rate up to 95MB/s。
充电器的执行标准
充电器的执行标准充电器的执行标准通常由国际组织、国家标准化机构或行业协会制定，以确保充电器的性能、安全性和互操作性。
以下是一些与充电器相关的常见执行标准：B电源规范（USB Power Delivery）：•USB Power Delivery是由USB推动的一种充电标准，旨在提供更高的功率传输。
相关的标准文件包括USB PowerDelivery Specification和USB Type-C Specification。
2.IEC 62684: Universal Charging Solution (UCS)：•由国际电工委员会（IEC）发布的标准，旨在实现各种设备（如移动电话、数字相机等）的通用充电解决方案，以减少废弃的充电器数量。
3.IEC 60950: 安全性- 信息技术设备的一般安全要求：•这是一项由IEC发布的通用安全标准，适用于各种信息技术设备，包括充电器。
4.UL 60950-1: Information Technology Equipment - Safety -Part 1: General Requirements：•美国标准与测试实验室（Underwriters Laboratories，UL）发布的关于信息技术设备安全性的标准，包括充电器。
5.GB/T 37605: 移动通信设备充电器和USB数据线的通用技术条件：•中国国家标准，规定了移动通信设备充电器和USB数据线的通用技术要求。
6.EN 62684: Universal Charging Solution (UCS) for mobilephones：•欧洲标准，类似于IEC 62684，旨在推动通用充电解决方案，特别是移动电话的充电器。
请注意，具体适用的标准可能会取决于充电器的类型和用途。
制造商通常需要确保其产品符合适用的国家和地区的标准要求。
在设计、制造和销售充电器时，建议参考最新版本的相关标准文档。
GoPower 15000mAh USB-C 多功能外接电源说明说明书
Color:Space Gray, Aluminum• 15,000 mAh Portable Battery delivers one full charge to your USB-C MacBook and multiple charges to your iPhone, Google Pixel C, or any other USB device• Universally compatible with most mobile devices and delivers multiple charges to your tablet, smartphone, smart watch, and other USB devices• Charge two devices simultaneously – one via USB-C and one via USB-A• 3.0 + 2.4A Fast Charging – Charge your devices twice as fast as the average charger• Premium Aluminum body design and high-capacity battery cells deliver optimal performance • High-efficiency circuitry design decreases power waste and increase charging efficiency • Priority charging detection enables pass-thru charging for your devices as well as better protection for the battery• Built-in circuit protection to prevent over-charging of your devices • LED battery status indicator• USB-IF Certified USB-C to USB-C CableYour Everyday CompanionIntroducing the first GoPower USB-C designed to charge your USB-C MacBook on the go! Take this portable battery with you in yourbackpack or bag and charge your USB-C MacBook and iPhone or iPad simultaneously. LED indicators let you check power levels and built-in safety features protect your device while charging.Technical Specifications:Battery Type: Lithium-Ion PolymerPower: 15,000 mAhOutput : USB A Port: 5V / 2.4Amps USB-C Port: 5V / 3Amps Input: USB-C Port: 2.4Amps Finish: Space Gray Aluminum Cable Length: 3.3 ft. / 1 mWarranty:1 YearMPN:K181-1010UPC:814556019597Packaging (W x H x L):6.25 x7.71 x 1.61 in (159.00 x 195.94 x 41.33 mm)High Capacity, Superior QualityPacked with 15,000 mAh of power and capable of charging an iPhone 6s seven times, the USB-C MacBook one full time, or Android smartphones and tablets multiple times. The Kanex GoPower USB-C Portable Battery ensures your devices are always charged while on the go!Power Management and ProtectionThe GoPower USB-C Portable Battery features built-in surge protection and smart charging technology to ensure that your device is protected while charging.Priority Charging DetectionEnables pass-thru charging feature. Your devices getcharged first, and then the portable battery recharges itself.GoPower™ USB-CPortable Battery for USB-C MacBookWhat’s InsidePortable Battery for USB-C MacBookUSB-IF Certified USB-C to USB-C Cable – 1M USB-C to USB Cable – 1M User ManualMacBook& other USB-C devices iPad, iPhone& other devicesCompatibility:MacBook (early 2015 and newer) Google Chromebook Pixel HP Spectre Google Pixel CLenovo ThinkPad X1 Tablet Nexus 5X Nexus 6PMicrosoft Lumia 950 / 950 XL LG G5HTC 10USB-C enabled computers, tablets, and devices iPhone, iPad, and iPod modelsSmartphones, digital cameras, action cameras, and GPS unitsCharge by Device ChartMacBookiPad Air 2iPhone 6s Plus iPhone 6s iPod touch 6th genGoPower USB-CUSB-C MacBook。
欣易科技 USB 桌面工具 POWER VA-Meter PWM 使用说明书
USB桌面工具POWER/VA-Meter/PWM适用型号:XY-UDTUSB Desktop ToolApplicable Model: XY-UDT尊敬的用户，感谢您购买由欣易科技出品的USB桌面工具，为了让您更快了解本产品的全部功能，获得更好的使用体验，避免出现误操作，使用前请仔细阅读并保留好本说明，以便日后查阅。
产品应用：电源系统（PER）：1.作为具有过压/过流/过功率/过温/欠压保护的普通升降压电源使用；2.本产品带有恒流功能，可给0.6V-30V内的各种小型可充电电池在15W内充电；充电步骤：（1）确定您可充电电池的浮充电压和充电电流；（假如锂电池参数为3.7V/2200mAh,那么浮充电压为4.2V，如果是12V的可充电电池，一般设定浮充电压到14V左右）（2）空载条件下，设定输出电压达到浮充电压；（假如给3.7V锂电池充电，把输出电压调为4.2V 即可）（3）设定充电电流（恒流值），直接设置电流即可。
注：设定电流的时候要计算下功率，要在功率范围内充电，超功率使用，产品会进入保护状态。
（4）接上电池充电。
3.本产品具有恒流功能，可以直接驱动0.6-30V，0-15W的LED灯；驱动LED灯步骤：（1）确定您需要驱动LED的工作电流和最高工作电压；（2）空载条件下，设定电压值和电流值使输出电压达到LED最高工作电压和工作电流（注：设置电流时候算下功率，要在功率范围内充电，超功率使用，产品会进入保护状态。
）（3）接上LED，试机。
本产品可以通过调节恒流值（0-工作电流之间），实现LED的无极调光，无频闪！！表头系统（VAH）：1. 可跟万用表一样，测量正向电压，正向电流，可以测量功率，容量，能量，时间，用于电池的充电、放电测量，高精度库仑计。
P WM系统（PWM）：1.用作方波信号发生器，脉冲信号发生器，产生方波脉冲信号供实验开发调试使用；2.用来产生控制直流电机或步进电机驱动器的方波信号；用于伺服电机、步进电机、电动夹爪，替代PLC脉冲等3.产生可调脉冲，配套驱动器实现调光、调速、控制电磁阀等注：PWM系统只是输出信号，不能直接驱动电灯、电机、电磁阀等功率型负载。
USB_POWER说明书
深圳市泰金田科技有限公司MODEL:USB_POWER
一.功能描述:
B(DC 5.0V1A)供电及内置锂电池(3.7V2A)供电.
2.智能升压/充电管理.
3.智能电子音量调节.
4.采用CSR(8670)蓝牙方案.
5.可发射蓝牙音频信号.
6.一路AUX输入.
二.参数说明:
1.输出功率为:2*8W喇叭阻抗6欧姆.
2.频响:20Hz--20KHz.
3.信噪比:≥60db
4.分离度:≥35db
三.操作说明:
1.每按一次POWER ON/OFF键(S1)进入开机或关机模式.
2.在开机模式下,长按蓝牙配对键(S4)进入蓝牙配对状态,蓝牙指示灯(LED4)闪动.蓝牙配对成功后,蓝牙指示灯(LED4)长亮.
3.在开机模式下,同时按下蓝牙配对键(S4)与VOL+键(S2)进入低音接收蓝牙配对.蓝牙配对成功后,低音接收蓝牙模块指示灯长亮.
4.在开机模式下,每按一下蓝牙配对键(S4)可进行蓝牙模式与AUX模式转换.
5.按VOL+键(S2)或VOL-键(S3)可进行音量大/小调节.
四.接线示意图:。
(完整版)USB接口针脚定义
USB接口针脚定义，插口针脚识别我曾经很早以前就在电子市场找USB手机充电器，但是都一个毛病，就是我把手机插到USB 充电器上没有反映，我怀疑是电压不够造成的，这两天看着自己的充电器一大堆（缘于丢了一堆NOKIA手机）所以想找一个自己玩玩。
好了说说怎么做的吧首先准备一下工具先。
很简单，一个废弃的NOKIA手机充电器，能不能充电无所谓了，关键是要前面的接头。
然后是usb头，可以找一个废弃的USB鼠标，USB延长线，坏USB 的电风扇，USB的HUB。
等等等等，只要一个USB头就可以，注意，一个就行了啊，不用准备那么多，然后黑胶布，绝缘的，电工用的防水胶布也可以，然后万用表一个。
先用万用表看看充电器的输出电压，NOKIA是普通的环形的接头，中间的芯是正+ ，环是负- ，理论上电压应该是按照NOKIA充电器上写的，3.7v，但是实际测量缺是10.3V，不知道为什么，姑且不管那么多，然后剪断，喀嚓。
NOKIA充电器里面只有两根线，一根黑色，一根白色，黑色的是外环，白色的是芯，也就是说白色是正极，黑色是负极，哦可，充电器先扔一边。
现在看USB延长线，先不用量，直接喀嚓，然后里面是四根线，红黑，然后两个其他的线，红是正极，黑是负极，我测了一下，电脑输出的应该是5V，但是实际测量是4.7V左右，还行吧，凑活用吧。
剩下的就很简单了，充电器的白色跟USB的红色接上，黑色跟黑色接上就OK了，测量一下，NOKIA充电器的与手机连接的一头，恩，果然是4.7V的输出。
据说电脑输出的电流比较小，有些新款的NOKIA手机，可能导致充不上电，老式的肯定没问题。
USB接口通常只有4根线，两根电源线和两根数据信号线，故信号是串行传输的。
USB接口也称为串行口，usb2.0的速度可以达到480Mbps。
可以满足各种工业和民用需要。
USB接口的输出电压和电流是：+5V 500mA 实际上有误差，最大不能超过+/-0.2V 也就是4.8-5.2V 。