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技术资料 PW4556_2.0.pdf规格书下载
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 is needed, and no blocking diode is required dueto the inter ...
技术资料 杰华特JW7805 datasheet
The JW® 7805 is a low noise low-dropout (LDO)  voltage regulator with enable function that  operates from 1.8V to 5.5V. It provides up to  300mA of output current and offers low-power  operation in miniaturized packaging. JW7805  supports fixed output voltage 0.9V, 1.0V, 1. ...
技术资料 无线遥控芯片CMT2150A手册,可作门铃方面设计和制作等
无线遥控门铃发射芯片可以用作门铃方面设计和制作等240 – 480 MHz OOK Stand-Alone Transmitter with EncoderFeatures  Embedded EEPROM Very Easy Development with RFPDK All Features Programmable  Frequency Range: 240 to 480 MHz  Symbol Rate: 0.5 to 40 ksps  Output Power: -10 ...
技术资料 一种柑橘采摘气动伸缩机构的设计
介绍一种采用模块化设计的柑橘采摘气动伸缩机构,包括电池模块、电机模块、气体压缩模块、驱动控制模块、储气装置、气动伸缩杆等模块。通过锂电池提供动力,单片机控制电动机带动气体压缩模块产生高压气体,推动伸缩杆平稳伸缩。实现了单人多方位柑橘果实采摘的功能,有效解决了传统柑橘采摘过程需要梯子辅助、多次上下攀爬等问 ...
单片机编程 单片机控制的铅酸蓄电池充电电源
 为了有效地提升铅酸蓄电池的使用寿命,同时实现对充电过程的监控,设计出一种用单片机控制的36 V铅酸蓄电池充电电源。本电路采用反激式拓扑,连续电流工作模式,电源管理IC设计在电源的副边,由ELAN公司的EM78P258N单片机模拟,是用可编程器件模拟电源管理IC,实现智能电源低成本化的一次成功尝试,通过对单片机的软 ...
技术资料 时钟芯片RX8025T
RX-8801 SA Features built-in 32.768 kHz DTCXO, High Stability Supports l'C-Bus's high speed mode (400 kHz)Alarm interrupt function for day, date, hour, and minute settings Fixed-cycle timer interrupt function Time update interrupt function32.768 kHz output with OE function Auto correction of ...
技术资料 IDT 15w 无线接收器P9221-R 数据手册
IDT P9221-R 15w 无线充接收资料The P9221-R is a high efficiency, Qi-compliant wireless power
receiver targeted for applications up to 15W. Using magnetic
inductive charging technology, the receiver converts an AC power
signal from a resonant tank into a regulated DC output voltage
setting with 9V and ...
技术资料 太阳能蓄电池充放电控制器的设计
清洁能源的开发日益受到许多国家的重视,世界各地都在发展光伏发电,由于独立式发电系统中蓄电池的充放电比较频繁,为了延长蓄电池寿命、减少系统故障和提高系统稳定性以及减少发电运营成本,需要对蓄电池的充放电进行管理。本文设计了一种基于PWM控制的太阳能蓄电池充放电控制器,系统主要由单片机、电压采集、充电控制和放电控 ...
技术资料 基于ATMEGA16L-8PI单片机的线阵LED图文显示装置
系统由标志杆、16位线阵LED、单片机、电机及调速控制装置、电池、稳压电源等模块组成。以单片机作为主控芯片,通过光敏三极管检测外界光照变化实现自动调节LED亮度显示,采用顶部的独立按键切换,通过C语言进行软件编程,在定位杆和LED装置中的红外对管进行对齐,利用视觉暂留的原理,实现了电机控制LED线阵进行同心圆的顺序和逆 ...
电源技术 DN436微型全桥压电马达驱动器
 
Piezoelectric motors are used in digital cameras for autofocus,zooming and optical image stabilization. Theyare relatively small, lightweight and effi cient, but theyalso require a complicated driving scheme. Traditionally,this challenge has been met with the use ofseparatecircuits, inclu ...