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TEA1755DB1100: TEA1755 90 W / 19.5 V QR / DCM Flyback + PFC Combo Controller Demo Board

Overview

This board demonstrates a 90W laptop adapter reference design with an output voltage of +19.5 V. The reference design combines the TEA1755 GreenChip 3.5 controller with the TEA1792 Synchronous Rectifier and TEA1703 low standby controller to achieve high efficiency and an extreme low no load power level.

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-08-09 10:00:42

Connection command file (CMD file) F28027.cmd
[b][color=#ff0000]1.通过MEMORY伪指令来指示存储空间[/color][/b] MEMORY {PAGE 0:/* Program Memory */[color=#ff0000]/* 程序存储空间 */[/color]/* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE1 for data allocation */PR
The input power of the switching power supply transformer is zero. What might be the reason?
As shown in the figure above, the input is 220V AC. After the rectifier bridge, the voltage across the 47uF capacitor is 318V, which is fine. The TNY277PN BP/M power supply is 5.80V, which is also fin
Year-end summary, looking back
[font=宋体]There are still 4 days left until 2017. EEWorld just gave me such a good event. It is really a good choice to summarize my 2016. [/font] [font=宋体]I changed my job in 2016. I started from soft
VCA822 Hardware Debug
I connected VCA822 according to the data sheet, but why is there such a big difference between the amplification factor calculated by the formula and that measured by the oscilloscope?
BOOT.BIN in wince
Does the BOOT.BIN file refer to the BOOT LOADER part?
Introduction to Several Useful Modules in Keil C51 Programming
A resource header file of the microcontroller hardware should be included. Each module uses some data types defined in Common.h. For example: BIT (bit) BYTE (unsigned char), etc. For details, please r

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