https://wiki.asteroidos.org/api.php?action=feedcontributions&feedformat=atom&user=Paleolas 2026-05-30T17:48:53Z User contributions MediaWiki 1.39.8 https://wiki.asteroidos.org/index.php?title=File:75CK371.jpg&diff=816 2026-02-21T17:18:06Z

<p>Paleolas: 75CK871 is only the lot code.</p> <hr /> <div>Chip labeled 75CK871, a single-cell Li-ion gauge from Texas Instruments BQ27421YZFR-G1D.</div>

Paleolas https://wiki.asteroidos.org/index.php?title=File:SF739_chip.jpg&diff=815 2026-02-21T17:01:40Z

<p>Paleolas: few researches around these chips, packages size, marking area make it plausible.</p> <hr /> <div>SF739 chip. may be the secure element paired to the NFC chip (perhaps a ST33J2M0 family as they are designed to work together).</div>

Paleolas https://wiki.asteroidos.org/index.php?title=File:Unknown_chips_3_and_4_on_back_of_catfish.jpg&diff=814 2026-02-21T16:18:48Z

<p>Paleolas: the other part is still unknown.</p> <hr /> <div>unknown chips 3 and 4 on back of catfish. Chip 3 is probably a Class‑K speaker amplifier (from Awinic AW87318CSR).</div>

Paleolas https://wiki.asteroidos.org/index.php?title=File:Unknown_chip_-2_on_front_of_catfish_main_board.jpg&diff=813 2026-02-21T15:24:36Z

<p>Paleolas: removed &quot;unknown and added information about that chip.</p> <hr /> <div>Chip #2 on front of catfish main board : Voltage detector XC6114 from Torex. 2.1V detection.</div>

Paleolas https://wiki.asteroidos.org/index.php?title=File:F412REY6_chip.jpg&diff=812 2026-02-21T15:10:52Z

<p>Paleolas: Using marking on the chip, that one is not unknown. it&#039;s a STM32F412RE. its purpose is still unknown for now.</p> <hr /> <div>Chip #1 in front of catfish main board : STM32F412REY (package WLCSP).</div>

Paleolas