Longteng Semiconductor Co., Ltd. is a high-tech enterprise dedicated to the research and development and sales of new power semiconductor devices. The company regards technological innovation as the core competitiveness of enterprise development and has built a first-class R&D center and application testing laboratory in China. The company has passed the ISO9001-2015 quality system certification and applied for 83 patents in the field of power semiconductor device design and application. The company has built a first-class R&D center and laboratory in China. The company's super junction power field effect transistor (Super Junction VDMOS, Shielding Gate VDMOS), insulated gate bipolar transistor (IGBT), fast recovery diode (FRD) and other series of products have the advantages of high energy efficiency, high reliability and high cost performance. They have been widely used in many fields such as computer and server power supply, LED drive power supply, charger, adapter, TV board power supply, etc.; they continue to grow in the fields of new energy vehicle charging piles, on-board chargers, automotive motor drives, photovoltaic inverters, industrial inverters, UPS, and welding machine markets.
[i=s]This post was last edited by lyzhangxiang on 2015-9-2 17:49[/i] I started to implement the program for VGA timing. As I was writing, I found that the R7F0C809 IC is quite good, and the register d...
[i=s] This post was last edited by Feihong Haojie on 2017-5-27 23:17 [/i]The left side of the circuit is connected to the key signal (the key is connected to the interface through a wire of about half...
[i=s]This post was last edited by cl17726 on 2017-4-12 12:03[/i] Used 0 times, because I can't compile his program. He requires MDK4.54, but I'm too lazy to do it. I've put it aside for a while. No ma...
[i=s]This post was last edited by paulhyde on 2014-9-15 04:22[/i]I wrote an EEPROM program for MSP430, and it passed IIC. I am using the same IIC to make MMA7455, but why is there no response to ACK o...
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