The PW2305 uses advanced trench technology to provide excellent RDS(ON), low gate charge and operation with gate voltages as low as 4.5V. This device is suitable for use as a Battery protection or in other Switching application
标签： pw2305
上传时间： 2022-02-11
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The PW2302A uses advanced trench technology to provide excellent RDS(ON), low gate charge andoperation with gate voltages as low as 2.5V. This device is suitable for use as a Battery protection orin other Switching application
标签： pw2302a
上传时间： 2022-02-11
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The PW2301A uses advanced trench It utilizes the latest processing techniques to achieve the highcell density and reduces the on-resistance with high repetitive avalanche rating. These featurescombine to make this design an extremely efficient and reliable device for use in power switchingapplication and a wide variety of other applications
标签： pw2301a
上传时间： 2022-02-11
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The PW2300S3 uses advanced trench technology to provide excellent RDS(ON), low gate charge andoperation with gate voltages as low as 2.5V. This device is suitable for use as a Battery protection orin other Switching application
标签： pw2300s3
上传时间： 2022-02-11
上传用户：canderile
InGaAs/AlGaAs semiconductor lasers come in threetypes: VCSELs and two types of EELs. The VCSEL, asits name implies, emits vertically, normal to the planeof the device, owing to cavity mirrors grown withinthe epitaxial material itself. The VCSEL’s circular beamhas a numerical aperture (NA) of roughly 0.2, or a fullangle of approximately 25 degrees.
标签： tof
上传时间： 2022-02-12
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The PW2053 is a high-efficiency monolithic synchronous buck regulator using a constantfrequency, current mode architecture. The device is available in an adjustable version. Supply currentwith no load is 40uA and drops to <1uA in shutdown. The 2.5V to 5.5V input voltage range makesthe PW2053 ideally suited for single Li-Ion battery powered applications. 100% duty cycle provideslow dropout operation, extending battery life in portable systems. PWM/PFM mode operationprovides very low output ripple voltage for noise sensitive applications. Switching frequency isinternally set at 1.2MHz, allowing the use of small surface mount inductors and capacitors. Lowoutput voltages are easily supported with the 0.6V feedback reference voltage
标签： pw2053
上传时间： 2022-02-14
上传用户：jason_vip1
The PW8205A6S uses advanced trench technology to provide excellent RDS(ON), low gate chargeand operation with gate voltages as low as 2.5V. This device is suitable for use as a Battery protectionor in other Switching application.
标签： 8205a6
上传时间： 2022-02-14
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CH341系列编程器芯片usb转串口Altium Designer AD原理图库元件库CSV text has been written to file : 1.9 - CH341系列编程器芯片.csvLibrary Component Count : 56Name Description----------------------------------------------------------------------------------------------------CH311Q PC debug port monitorCH331T Mini USB Disk ControllerCH340G CH340H USB to TTL Serial / UART, USB to IrDACH340T USB to TTL Serial / UART, USB to IrDACH340R USB to IrDA, USB to RS232 SerialCH340S_P USB to Print Port / ParallelCH340S_S USB to TTL Serial / UART, pin compatible with CH341CH341A_S USB to TTL Serial / UART / I2C/IICCH341S_P USB to Print Port / ParallelCH341A_P USB to Print Port / ParallelCH341S_S USB to TTL Serial / UARTCH341S_X USB to EPP Parallel / SPI / I2C/IICCH341A_X USB to EPP Parallel / SPI / I2C/IICCH341T USB to TTL Serial / UART / I2C/IICCH345T USB to MidiCH352L_M PCI to 8255 mode 2 Parallel for MCU and 16C550 UART / IrDACH352L_P PCI to Print Port / Parallel and 16C550 UART / IrDACH352L_S PCI to Dual 16C550 UART, TTL Serial*2 / IrDA*1CH362L PCI Device / Slave only for RAM / Expansion ROMCH364F Member of CH364 chipsetsCH364P PCI Device / Slave Embedded Flash ROM, for Expansion ROMCH365P PCI Device / Slave, for I/O port or RAM / ROMCH372T USB Device / Slave for MCU, ParallelCH372A USB Device / Slave for MCU, ParallelCH372V USB Device / Slave for MCU, ParallelCH374S USB Host & Device / Slave for MCU, parallel / SPICH374T USB Host & Device / Slave for MCU, parallel / SPICH375S USB Host & Device / Slave for MCU, parallel / UART SerialCH375A USB Host & Device / Slave for MCU, parallel / UART SerialCH375V USB Host & Device / Slave for MCU, parallel / UART SerialCH411G FDC MFM encode and decodeCH421A Dual port bufferCH421S Dual port bufferCH423D I2C/IIC I/O expander, 16 GPO + 8 GPIO, 128 LEDs DriveCH423S I2C/IIC I/O expander, 16 GPO + 8 GPIO, 128 LEDs DriveCH423D_D I2C/IIC I/O expander, 16 GPO + 8 GPIO, 128 LEDs DriveCH423S_D I2C/IIC I/O expander, 16 GPO + 8 GPIO, 128 LEDs DriveCH423G I2C/IIC I/O expander, 6 GPO + 5 GPIOCH432Q Dual 16C550 UART with IrDA, parallel / SPICH432T SPI Dual 16C550 UART with IrDACH450K 6 Digits / 48 LEDs Drive & 8x6 Keyboard, I2C/IICCH450H 6 Digits / 48 LEDs Drive & 8x6 Keyboard, I2C/IICCH450L 8 Digits / 64 LEDs Drive & 8x8 Keyboard, I2C/IICCH451L 8 Digits / 64 LEDs Drive & 8x8 Keyboard, 4 Wire Interface, SPICH451S 8 Digits / 64 LEDs Drive & 8x8 Keyboard, 4 Wire Interface, SPICH451D 8 Digits / 64 LEDs Drive & 8x8 Keyboard, 4 Wire Interface, SPICH452L_2 8 Digits / 64 LEDs Drive & 8x8 Keyboard, I2C/IICCH452L_4 8 Digits / 64 LEDs Drive & 8x8 Keyboard, 4 Wire Interface, SPICH452S_2 8 Digits / 64 LEDs Drive & 8x8 Keyboard, I2C/IICCH452S_4 8 Digits / 64 LEDs Drive & 8x8 Keyboard, 4 Wire Interface, SPICH453S 16 Digits / 128 LEDs Drive, I2C/IICCH453D 16 Digits / 128 LEDs Drive, I2C/IICPCI 32Bit PCI Bus, simple / short cardPCI32 32Bit PCI BusUSB USB Port
标签： ch341 编程芯片 usb 串口 altium designer
上传时间： 2022-03-13
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本系统采用电动机电枢供电回路串接采样电阻的方式来实现对小型直流有刷电动机的转速测量。该系统主要由二阶低通滤波电路,小信号放大电路、单片机测量显示电路、开关稳压电源电路等组成。同时自制电机测速装置,用高频磁环作为载体,用线圈绕制磁环,利用电磁感应原理检测电机运行时的漏磁,将变化的磁场信号转化为磁环上的感应电流。用信号处理单元电路将微弱电信号转化为脉冲信号,送由单片机检测,从而达到准确测量电机的速度的要求。In this system, the sampling resistance of armature power supply circuit is connected in series to measure the speed of small DC brush motor. The system is mainly composed of second-order low-pass filter circuit, small signal amplifier circuit, single-chip measurement and display circuit, switching regulated power supply circuit and so on. At the same time, the self-made motor speed measuring device uses high frequency magnetic ring as the carrier, coil winding magnetic ring, and electromagnetic induction principle to detect the leakage of magnetic field during the operation of the motor, which converts the changed magnetic field signal into the induced current on the magnetic ring. The weak electric signal is transformed into pulse signal by signal processing unit circuit, which is sent to single chip computer for detection, so as to meet the requirement of accurate measurement of motor speed.
标签： 直流电动机
上传时间： 2022-03-26
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随着光伏发电系统快速发展,以及电动汽车充电桩的普及,传统的剩余电流保护器无法满足实际需求。介绍了一款B型剩余电流保护器,采用磁调制剩余电流互感器和零序电流互感器采集剩余电流。根据GB/T 22794—2017标准要求,可识别1 kHz及以下的正弦交流、带和不带直流分量的脉动直流、平滑直流等剩余电流信号。经信号调理电路将电压信号送到单片机进行采集和判断。通过试验测试,该样机在测试精度和速度上均符合国家标准的相关要求。The rapid development of photovoltaic power generation systems and the popularity of electric vehicle charging piles make the traditional residual current protective devices unable to meet the actual demand.This paper proposed a type B residual current protective device,which uses the magnetically modulated residual current transformer and the zero sequence current transformer to acquire the residual current.According to the requirements of GB/T 22794—2017,the type B residual current protective device can detect sinusoidal AC residual current of 1kHz and below 1kHz,pulsating DC residual current with and without DC component,smooth DC residual current and so on.The signal processing circuit sends the voltage signal to the MCU for acquisition and judgment.Through experimental tests,the device meets the relevant requirements of national standards in terms of test accuracy and speed.
标签： 电流保护器
上传时间： 2022-03-27
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