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| Hantek 6254BD 250MHz 1GSa/s PC/USB DSO |
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| Hantek:
i have an Hantek 6254BD 250MHz 1GSa/s PC/USB DSO can anyone tell me what is the part number of a square tiny chip with 10 leads/legs U38, seats next to the 2r2 inductor on the right side of the usb port, the metal spring facing up. started to get overheated and soon it blew up. i cannot read the part number. and if you know what it is for please let me know. thank you |
| Microcheap:
The U38 IC is a TPS63000 (marking code BPT). It's a buck-boost converter from TI. You can easily buy it from many sources, it's cheap. https://www.ti.com/lit/ds/symlink/tps63001.pdf |
| Hantek:
thank you very much. |
| danman:
--- Quote from: rgon on April 01, 2019, 01:30:14 pm ---There's a recurring loop that does the following: --- Code: ---controlWrite(0x40, 179, 0, 0, WEIRD_BYTE_ARRAY) always followed by controlRead(0xC0, 178, 0, 0, 10) --- End code --- --- End quote --- I've managed to load the FX2 firmware into ghidra and the above block seems to be resetting EP buffers and signalling something to PORTA (FPGA?). I'll keep investigating the code. My device is about to come on Friday. |
| danman:
I have really basic opensource python version working here: https://github.com/danielkucera/pyhantek Contributions are welcome! |
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