ShenMao electronic subsoil 36 years, aluminum electrolytic capacitor
industry for aluminium electrolytic capacitor
on the power supply application has the rich production experience and some application examples.
Today, we share a story about a 90 w Nekteck USB PD fast appliances dismantling of the article.
Note: this article material and pictures from the
Related teardown report)
nekteck 90 w usb pd充电器支持9 v, 5 v, 12 v, 15 v, 20 v五个电压输出现,难保且充电器通过协整架会认证,相容性有保证,基本上可以适用于市面99%基础归于usb pd协商性充电笔试书电脑快充,应用广广泛。
Nekteck 90 w USB PD charger inside neat, protect the anti-interference measures in place, internal with NXP a full range of power solutions, support for active power factor correction, can improve the power factor and improve the conversion efficiency;
Products in addition to materials standards, also used a lot of the injecting auxiliary heat and thermal conductivity, very conscience of the work.
A, fast Nekteck 90 w USB PD was appliances appearance Nekteck 90 w USB PD charger using larger aircraft box packaging, the front, the white cover and stamped with the appearance of the product pictures, can learn from the pictures, the charger comes with a sealed, USB -
Name of charger: Wall Type C 90 w Adapter.
Product model: HKA09020045 -
2 u,进口:100 -
240 v ~ 2, 50/60Hz;
出口:9 v / 5 v / 3 a、3 a、15 20 v / v / 3 a, 4。
Using ChargerLAB POWER -
z kt001检测这款充电器的pdo报文,显示支持9 v / 5 v / 3 a、3 a、15 v / 12 v / 3 a, 3 a, 20 v / 4。
5 a五组电压档位,比标准称参非独了12 v输出,初版为usb继续协商。
Second, fast Nekteck 90 w USB PD was appliances dismantling along the charger shell in the middle of the weld will be split in two, shell adopts PC flame retardant materials;
Internal PCBA module is covered by a metal heat sink all-round.
Pull down the outer plastic insulation board, PCB daub is on the back a large amount of thermal conductive silicone.
Remove the silica gel, visible PCB primary side has a master control chip, from NXP TEA1755T of pu and integrated APFC controller.
Three light EL1019 light coupling, used in voltage feedback, over-current and other protective functions.
Positive main PCBA module for the plug-in components, inside filled with white silica gel, used in fixed components, and have the effect of heat dissipation.
With some filter at the input, rectifier and other components.
APFC next to boost inductance have a core technology of MOS, SW15N50, used in APFC booster.
初级滤波招聘一颗来自koshin申茂420 v 82μf铝电解电容。
初级滤波电容响遍边还两颗小电容语句,其中一个颗为koshin申茂100 v 6。
It's next to the transformer rectifier MOS tube and a secondary synchronization.
AC pins and dismantling.
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