UP1542SSU8 5V/12V Synchronous-Rectified Buck Controller
uP1542S is a compact synchronous-rectified buck controller specifically designed to operate from 5V or 12V supply voltage and to deliver high quality output voltage as low as 0.6V for linear OCP. The UP1542SSU8 adopts constant frequency, voltage mode control scheme, featuring easy-to-use, low external component count, and fast transient response. Fixed 300kHz operation provides an optimal level of integration to reduce size and cost of the power supply. Other features include internal soft start, over/undervoltage protection, over current protection and shutdown function. This part is available in PSOP-8L package.
Bitmain antminer S9 hashboard repair Spare parts kit. During the long-term continuous operation of the hash board, some components are prone to failure. For example, BM1387B, T451 temperature sensor, UP1542S, PIC16F1704 I/SL, capacitor 1000uf 16V, TPHR9003NL, etc. They are some vulnerable electronic components on the S9 hash board, and a low hash rate on a single chip will also result in a low or no hash rate for the entire hash board. Therefore, after the summary of professional repair personnel, to achieve fast and accurate maintenance, professional S9 hash board maintenance kits can be used.
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