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LT8609/LT8609A/LT8609B - 42V, 2A/3A Peak
LT8609/LT8609A/LT8609B - 42V, 2A/3A Peak

... LT8609A/LT8609B to regulate the FB pin to equal the TR/ SS pin voltage. When TR/SS is above 0.782V, the tracking function is disabled and the internal reference resumes control of the error amplifier. An internal 2μA pull-up current from INTVCC on this pin allows a capacitor to program output voltag ...
Válcovny plechu TECHNOTRON, s.r.o.
Válcovny plechu TECHNOTRON, s.r.o.

Brushed Motor ESC
Brushed Motor ESC

... If you wish to obtain 64 possible motor speed settings then each motor speed represents 0.012msec of control pulse width and the ESC must measure the pulse with sufficient accuracy and resolution to permit determination of the throttle position. There are two main techniques for measuring the thrott ...
chapter2_circuit_breakers_jan_2014
chapter2_circuit_breakers_jan_2014

... Under normal working conditions, the fixed and moving contacts are closed. On the occurrence of fault, the moving contacts come down and an arc is struck between the contacts. The oil between the contacts gets decomposed and hydrogen gas bubble is formed around the contacts. The hydrogen gas cools t ...
Safety precautions 1
Safety precautions 1

... - If the retry mode has been selected, the inverter will restart suddenly after a break in the tripping status. Stay away from the machine controlled by the inverter when the inverter is under such circumstances. (Design the machine so that human safety can be ensured, even when the inverter restart ...
Resistors Resistors are the most commonly used component in
Resistors Resistors are the most commonly used component in

... occurring. This feedback is called "Motor-boating" as it sounds like the noise from a motor-boat. This noise is only produced when more than one stage is employed. As more stages are added to a circuit, the chance of feedback, in the form of instability or motor-boating, will occur. This noise appea ...
ICM7555, ICM7556 Datasheet
ICM7555, ICM7556 Datasheet

... CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and result in failures not covered by warranty. NOTES: 4. Due to the SCR structure inherent in the CMOS process used to fabricate these dev ...
BD95831MUV
BD95831MUV

... 1. Output LC Filter Selection (Buck Converter) 1-1. Inductor (L) Selection The Output LC filter is required to supply constant current to the output load. A larger value inductance at this filter results in less inductor ripple current (∆IL) and less output ripple voltage. However, the larger value ...
AN-8208 Introduction to Automotive Ignition Systems Introduction
AN-8208 Introduction to Automotive Ignition Systems Introduction

... The basic operational waveforms of ignition system are shown in Figure 4 and Figure 5. In Figure 4, the waveforms of the dwell portion (primary charging) of the cycle are illustrated; however, the time span of “on command state” depends on the engine speed and control strategy of the ECU. As the com ...
Boost Matrix Converter Applied to Wind Energy Conversion Systems
Boost Matrix Converter Applied to Wind Energy Conversion Systems

... Figure 4.2: Load voltage and grid voltage – case study 1 ........................................................... 76 Figure 4.3: Voltage and current in the grid side- case study 1.................................................... 76 Figure 4.4: d component of the voltage regulator error........ ...
active inverter output filtering methods
active inverter output filtering methods

BD91364AMUU
BD91364AMUU

... BD91364AMUU has a ripple implanted system at output detection which keeps a normal switching operation even if a low ESR output capacitor is used. This feature also resolved a weakness of a regular hysteresis control, which is, to keep a steady frequency from a variation of frequencies. When operati ...
(pn-Junction) Diodes Semiconductor (pn-Junction) Diodes
(pn-Junction) Diodes Semiconductor (pn-Junction) Diodes

... Simplified Exponential: Accurate if iD >> IS (e.g., >A); useful for iterative analyses. Ideal Diode: Adequate if vD is small compared to other voltages in the circuit; also useful for qualitative analysis of circuit operation. Constant-Voltage-Drop: Reasonable approximation at higher currents. Piec ...
ADP2105 数据手册DataSheet 下载
ADP2105 数据手册DataSheet 下载

... external part count and high efficiency. During logic controlled shutdown, the input is disconnected from the output, and it draws less than 0.1 μA from the input source. Other key features include undervoltage lockout to prevent deep battery discharge and programmable soft start to limit inrush cur ...
Data Sheet or Brochure - TTid Instrument Distribution
Data Sheet or Brochure - TTid Instrument Distribution

technical report iec tr 60909-1
technical report iec tr 60909-1

TPS54160-Q1 数据资料 dataSheet 下载
TPS54160-Q1 数据资料 dataSheet 下载

... The TPS54160 device is a 60-V 1.5-A step-down (buck) regulator with an integrated high-side n-channel MOSFET. To improve performance during line and load transients the device implements a constant frequency, current mode control which reduces output capacitance and simplifies external frequency com ...
AutoMax™ Distributed Power System Overview
AutoMax™ Distributed Power System Overview

ADM1172 数据手册DataSheet 下载
ADM1172 数据手册DataSheet 下载

... backplane. This is achieved using an external N-channel power MOSFET with a current control loop that monitors the load current through a sense resistor. An internal charge pump is used to enhance the gate of the N-channel FET. When an overcurrent condition is detected, the gate voltage of the FET i ...
Slide 1
Slide 1

04_ELC4345_Fall2013_DC_DC_Buck_PPT
04_ELC4345_Fall2013_DC_DC_Buck_PPT

... • Occurs for light loads, or low operating frequencies, where the inductor current eventually hits zero during the switchopen state • The diode opens to prevent backward current flow ...
MAX16055 - Maxim Part Number Search
MAX16055 - Maxim Part Number Search

MAX1765 800mA, Low-Noise, Step-Up DC-DC Converter with 500mA Linear Regulator General Description
MAX1765 800mA, Low-Noise, Step-Up DC-DC Converter with 500mA Linear Regulator General Description

Laser PCB Milling Machine - Department of Electrical Engineering
Laser PCB Milling Machine - Department of Electrical Engineering

BD95861MUV
BD95861MUV

... Then, the inductor saturation current must be larger than the sum of the maximum output current (IOUTMAX) and 1/2 of the inductor ripple current (∆IL / 2). A larger current than the inductor’s saturation current will cause magnetic saturation in the inductor, and decrease efficiency. When selecting ...
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Stepper motor



A stepper motor or step motor or stepping motor is a brushless DC electric motor that divides a full rotation into a number of equal steps. The motor's position can then be commanded to move and hold at one of these steps without any feedback sensor (an open-loop controller), as long as the motor is carefully sized to the application in respect to torque and speed.Switched reluctance motors are very large stepping motors with a reduced pole count, and generally are closed-loop commutated.
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