Electronics > Projects, Designs, and Technical Stuff
Help identifying IC?
iXod:
It's in a rechargeable flashlight (torch) utilizing a single 18650 Li-Ion cell. It's the only IC in the flashlight (except for the cell's dedicated protection board) so I presume it's the charge controller.
The 6-pin SMD package is labeled "57b4". That's it, no other markings or logo.
Any idea who makes it and (if I'm so lucky) a datasheet?
Thanks.
amyk:
That's an easy one... TP4057.
scuzzyTerminator:
And if english is your thing...http://www.analog.com/media/en/technical-documentation/data-sheets/4057f.pdf
iXod:
Just now getting around to working on this.
This datasheet offered shows a 5-pin device. This is a 6-pin.
Any guesses at a proper datasheet?
Thanks.
jhpadjustable:
Hree's the product page with datasheet link: http://www.tp-asic.com/te_product_a/2009-05-20/33.chtml
Unfortunately, it's all in Chinese. Google Translate looks to be your best bet.
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