Questions

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  What is the reason for the small viewing angle of the customized segment LCD display? Segment code LCD screen

  November 25, 2020 by Adele 1104
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  Why can mobile phone chips keep low power consumption? ARM

  September 23, 2020 by Emery 1101
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  Which circuit of SCR AC voltage regulating module and Buck AC voltage regulating module is more efficient? Power module

  September 22, 2020 by Bradford 1154
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  Power is pulled down? Power

  September 21, 2020 by Mohammed 1103
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  Problems with TVS diodes and varistors. TVS

  September 21, 2020 by Micah 1190
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  How to superimpose the power carrier 5V square wave and 32V voltage? Power design

  September 18, 2020 by Brylee 1154
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  How to choose the power supply for operational amplifiers? power supply

  September 9, 2020 by Arie 1121
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  Why do I need to step down the power supply by 18V before entering the power chip to step down to 5V? Buck

  August 19, 2020 by Ahmed 1285
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  I need to provide a 5v 2A power supply for my single-chip microcomputer system. Lithium batteries must be used for compactness and convenience. How to use two 3.7v lithium batteries to design this power supply? power supply

  August 19, 2020 by River 1180
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  Is it reasonable to add the DAC output of the single-chip microcomputer to the FB pin to realize the output voltage program control? DCDC

  August 19, 2020 by Ali 1088
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  Regarding 7805, there is a serious current noise after the voltage drop? Switching power supply

  August 19, 2020 by Mohammed 1173
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  The voltage source is connected in series with the current source, and the voltage source cannot work normally. Voltage source circuit

  August 19, 2020 by James 1186
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  Is the asymmetric half-bridge a buck or boost converter? Switching power supply

  July 24, 2020 by Kennedy 1238
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  I use 4148 to rectify the 5V tube for voltage stabilization, but the voltage at the receiving end is only about 2.5V after load. Why? How can the voltage of the receiving terminal be 5V? Power Supply

  July 24, 2020 by Payton 1147
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  Power on and burn the 2A insurance, check that all the components are not short-circuited, and there is no wrong paste. What's wrong? Power technology

  July 21, 2020 by Rahul 1193
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  MP2482 switching regulator chip, no output burning chip. Stabilization

  July 21, 2020 by Kristy 1105
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  LDO output, the voltage rises at the moment of power-on. LDO

  July 21, 2020 by Casper 1232
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  The inductance has the same magnetic core and the same number of turns, why is the inductance different? ? inductance

  July 21, 2020 by Gisele 1197
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  Regarding the serial connection of 18650 lithium batteries. Lithium battery

  July 21, 2020 by Jody 1202
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  Does the battery boost circuit add load and the output drops to 2V. Is there a problem with the circuit? Circuit design

  July 20, 2020 by Riley 1150