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macdja38/series9travelcase.md

Last active March 18, 2022 02:58
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Oral b series 9 travel case
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series9travelcase.md

Not much information exists online about this travel case and what's inside it.

Opening it is likely possible to do without destroying it. there are lots of clips around the edge, but no glue.

Inside is one board, held down by 3 peices of melted plastic.

overview

It seems to have a coil, driven by the 12v source and a MOSFET.

board

Based on the markings the MOSFET is something along the lines of this https://datasheetspdf.com/datasheet/AP4503AGEM-HF.html

The three posts on the top right are the coil. The MOSFET is the chip. MOSFET

The other chip is a microcontroller. In specific an 8 bit EM78P372NSO14 with product code J

Micro Controller

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