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技术资料  FreeModbus 英文资料

If register should be written or read.This value is passed to the calback functions which support either reading or writing register values. Writing means that the application registers should be updated and reading means that the modbus protocol stack needs to know the current register values.See a ...

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技术资料  PID-小车类-基于Cortex-M0的BLDC电机驱动

#include "NUC1xx.h"#include "Hal.h"#include "pwm.h"//wait current PWM cycle done, otherwise there maybe short pulse on FETvoid PWM_Stop(U8 ch){ switch(ch) { case PWM_CHANNEL_A: PWMA->u32CNR1 = 0; PWMA->u32CMR1 = 0; while(PWMA->u32PDR1 != 0); break; case PWM_CHANNEL_B: PWMA->u32CNR2 = 0; ...

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技术资料  时钟芯片RX8025T

RX-8801 SA Features built-in 32.768 kHz DTCXO, High Stability Supports l&#39;C-Bus&#39;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 ...

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技术资料  sony CMOS传感器 IMX385LQR-C DataSheet

DescriptionThe IMX385LQR-C is a diagonal 8.35 mm (Type 1/2) CMOS active pixel type solid-state image sensor with a squarepixel array and 2.13 M effective pixels. This chip operates with analog 3.3 V, digital 1.2 V, and interface 1.8 V triplepower supply, and has low power consumption. High sensitivi ...

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技术资料  sony CMOS传感器 IMX178LQJ-C dataSheet

sony CMOS传感器datasheet，IMX178LQJ-C_Data_SheetDescriptionThe IMX178LQJ-C is a diagonal 8.92 mm (Type 1/1.8) CMOS active pixel type image sensor with a square pixelarray and 6.44 M effective pixels. This chip operates with analog 2.9 V, digital 1.2 V and interface 1.8 V triple powersupply, and has ...

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技术资料  IGBT图解

le flows through MOS channel while Ih flows across PNP transistor Ih= a/(1-a) le, IE-le+lh=1/(1-a)&#39; le Since IGBT has a long base PNP, a is mainly determined by ar si0 2ar= 1/cosh(1/La), La: ambipolar diff length a-0.5 (typical value)p MOSFET channel current (saturation), le=U"Cox"W(2"Lch)"(Vc-V ...

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技术资料  分立元件IGBT驱动电路的改进与测试

摘要：本文在分析1GBT的动态开关特性和过流状态下的电气特性的基础上，通过对常规的IGBT推挽驱动电路进行改进，得到了具有良好过流保护特性的IGBT驱动电路。该电路简单，可靠，易用，配合DSP等控制芯片能达到很好的驱动效果Abstract：Based on the studies on the dynamic switching and over-current characteristics of I ...

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技术资料  基于IGBT的150KHZ大功率感应加热电源的研究

本文以感应加热电源为研究对象，阐述了感应加热电源的基本原理及其发展趋势。对感应加热电源常用的两种拓扑结构-电流型逆变器和电压型逆变器做了比较分析，并分析了感应加热电源的各种调功方式。在对比几种功率调节方式的基础上，得出在整流侧调功有利于高频感应加热电源频率和功率的提高的结论，选择了不控整流加软斩波器 ...

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技术资料  升压型电源管理电路内部ldo设计

文章首先阐述了整个方案的工作原理，给出LDO设计的指标要求；其次，依据系统方案的指标要求和制造1艺约束，实现包含误差放大器、基准源和保护电路等了模块在内的电压调整器：此外，文章还着重探讨了“如何利用放大器驱动100pF数量级的大电容负载"的问题；最后，给出整个模块总体电路的仿真验证结果。LDO的架构分析和设计以 ...

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技术资料  开关升压型锂电池充电管理芯片FLD5302/3 技术手册

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。对电池充电分为三个阶段：预充（ Pre-charge ）、恒流（CC/Constant Current） ...

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