The XL6003 regulator is fixed frequency PWM Boost (step-up) DC/DC converter, capable of
driving 1
资源简介:The XL6003 regulator is fixed frequency PWM Boost (step-up) DC/DC converter, capable ofdriving 1050mA load Current with excellent line and load regulation. The regulator is simple to use because it includes internal frequency compensation a...
上传时间: 2013-11-07
上传用户:xy@1314
资源简介:自动检测技术 上海电机学院精品课件 PPT版 (New)
上传时间: 2013-07-12
上传用户:eeworm
资源简介:COT Drivers Control LED Ripple Current
上传时间: 2013-10-09
上传用户:31633073
资源简介:The A706 series is a high voltage Boost Driver with 6 channels adjustable Constant Current regula
上传时间: 2013-06-09
上传用户:青春给了作业95
资源简介:两节锂电充电IC-ASC8512 ASC8512 为开关型两节锂聚合物电池充电管理芯片,非常适合于便携式设备的充电管理应用。ASC8512 集内置功率MOSFET、高精度电压和电流调节器、预充、充电状态指示和充电截止等功能于一体,采用TSSOP-14、SSOP-14两种封装形式。ASC8512...
上传时间: 2013-11-06
上传用户:chfanjiang
资源简介:The TP4054 is a complete Constant-Current/Constant-voltage linear charger for single celllithium
上传时间: 2013-07-27
上传用户:bruce
资源简介: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 an...
上传时间: 2013-11-10
上传用户:子虚乌有
资源简介: 利用单片机具有的智能程序控制的特点,设计了基于STC89C52单片机的"二极管特性测试器",可对二极管一般特性进行快速测试。通过稳定线性电流源给二极管加载恒定电流,然后由高精度模数转换器测试其压降,以此为基础可判断二极管好坏、检测二极管极性和测试...
上传时间: 2013-11-13
上传用户:assef
资源简介:为了解决磁放大器性能测试过程中,需要对其供给不同数值恒定电流的问题,设计了一种基于DAC7512和单片机的数控恒流源系统。该系统采用AT89C51作为主控器件,将计算机发送的电流控制字命令转换为D/A转换器控制字,通过模拟SPI通信接口,写D/A控制字到DAC7512,...
上传时间: 2014-12-27
上传用户:invtnewer
资源简介:yright 2002 Cygnal Integrated Products, Inc. // // Filename: LIION_BC_MAIN.c // Target Device: 8051F300 // Created: 11 SEP 2002 // Created By: DKC // Tool chain: KEIL Eval C51 // // This is a stand alone battery charger for a Lithium ION ba...
上传时间: 2013-12-23
上传用户:牧羊人8920
资源简介:Wide 2.2V to 6V Input Voltage Range 0.20V FB adjustable LED drive Current Directly drive 9 Series 1W LED at VIN>=6V Fixed 800KHz Switching Frequency Max. 3A Switching Current Capability Up to 92% efficiency E...
上传时间: 2021-11-05
上传用户:d1997wayne
资源简介:The PW4556 series of devices are highly integrated Li-Ion and Li-Pol linear chargers targetedat small capacity battery for portable applications. It is a complete Constant-Current/ Constantvoltage linear charger. No external sense resistor ...
上传时间: 2022-02-11
上传用户:1208020161
资源简介:The PW4055 is a complete Constant-Current /Constant-voltage linear charger for single cell lithiumion batteries.Its ThinSOT package and low external component count make the PW4055 ideallysuited for portable applications.Furthermore, the PW...
上传时间: 2022-02-11
上传用户:jason_vip1
资源简介:开关升压型锂电池充电管理芯片FLD5302/3概述 为开关型两节或三节锂离子/锂 聚合物电池充电管理芯片,非常适合于便携 式设备的充电管理应用。 集电压和电 流调节器、预充、充电状态指示和充电截止 适配器自适应等功能于一体,采用 SOP-8 封装。 对电池充...
上传时间: 2022-06-25
上传用户:
资源简介:大功率照明LED(Light Emitting Diode)是新一代光源,它光转换效率高,也称作绿色光源。由于大功率照明LED本身的伏安特性,大功率LED的开关电源的研究从一开始就遇到了困难。而发展LED照明是现在节能环保的大趋势,所以研究开发一种新型的大功率照明LED开关...
上传时间: 2013-07-15
上传用户:大融融rr
资源简介:Boost LED Drivers are often used to drive LEDs in series. If an LED fails while open,overvoltage protection (OVP) is necessary to avoid the damage to a boost integrated circuit (IC) or output capacitor. This application report presents the ...
上传时间: 2013-10-14
上传用户:jiangfire
资源简介:LT3474 是一款支持多種電源的降壓型 1ALED 驅動器,具有一個 4V 至 36V 的寬輸入電壓範圍,並可通過編程以高達 88% 的效率來輸送 35mA 至1A 的 LED 電流
上传时间: 2013-11-09
上传用户:xhwst
资源简介:Abstract: There are differences between the operation of low-frequency AC transformers and electronic transformersthat supply Current to MR16 lamps, and there are also differences in the Current draw for MR16 halogen lamps andMR16 LED lamps...
上传时间: 2013-10-14
上传用户:playboys0
资源简介:LED 3W恒流电源方案资料
上传时间: 2013-10-22
上传用户:youth25
资源简介: Battery powered applications that have a signifi cantamount of time in standby mode, require electrical circuitsto operate with a low quiescent Current to preserve batterylife. The LTC3835 synchronous step-down controlleris an excellen...
上传时间: 2013-11-20
上传用户:stewart·
资源简介: Once relegated to the hinterlands of low cost indicatorlights, the LED is again in the spotlight of the lightingworld. LED lighting is now ubiquitous, from car headlightsto USB-powered lava lamps. Car headlights exemplifyapplications t...
上传时间: 2013-10-16
上传用户:togetsomething
资源简介: 现有基于MAX7219芯片的数码管驱动电路只适用于小尺寸LED,为扩展其使用范围,在介绍动态显示芯片MAX7219功能的基础上,提出了一个基于该芯片的8位高亮度8英寸数码管驱动电路。电路保留了MAX7219芯片的功能强大、编程简单等优点,通过74LS273锁存器和ULN28...
上传时间: 2013-10-23
上传用户:31633073
资源简介:The PAM2862 is a continuous mode inductivestep-down converter, designed for driving singleor multiple series connected LEDs efficientlyfrom a voltage source higher than the LEDvoltage. The device operates from an inputupply between 6V and 3...
上传时间: 2013-11-16
上传用户:司令部正军级
资源简介:QX5305 是一款高效率,稳定可靠的高亮度LED灯驱动控制IC,内置高精度比较器,off-time控制电路,恒流驱动控制电路等,特别适合大功率,多个高亮度LED灯串恒流驱动。 QX5305采用固定off-time控制工作方式,其工作频率可高达2.5MHz,可使外部电感和滤波电容、体...
上传时间: 2013-10-26
上传用户:TF2015
资源简介:螺旋桨PID控制 In response to Constant pressure to design more efficient, faster, smaller, and better systems, engineers are Constantly looking for ways to improve existing designs or replace them with better ones. Facing large fuel costs, ...
上传时间: 2016-11-22
上传用户:trepb001
资源简介:LED灯封装Altium Designer AD PCB封装库2D3D元件库文件PCB Library : LED.PcbLibDate : 2020/12/29Time : 16:50:29Component Count : 49Component Name-----------------------------------------------LED 1W/3WLED 1W/3W-WLED 3mm-2P...
上传时间: 2022-03-11
上传用户:
资源简介:基于PSIM仿真软件,分析了Boost电路拓扑结构,设定了参数要求进行电路仿真设计,通过电路仿真软件PSIM对Boost电路工作在CCM模式下,合理设置占空比参数。实验结果表明理论分析与仿真的一致性和参数设计的正确性,输出电压和电流参数稳定,Boost电路输出效率高...
上传时间: 2022-05-04
上传用户:
资源简介:LED视频显示屏实时处理与驱动技术
上传时间: 2013-07-10
上传用户:eeworm
资源简介:led
上传时间: 2013-07-03
上传用户:eeworm
资源简介:深圳大明光电子(LED发光二极管)
上传时间: 2013-07-23
上传用户:eeworm