Other Parts Discussed in Thread: TVS1401
Hi,
I've used the BQ24074 and I'd be grateful if someone could take a look at my schematic to see if there's anything that looks incorrect.
I've read the documentation available on the product page but I cannot see a guide which shows how best to hook this up to a USB-C port to esure adequate input transient voltage protection
My schematic looks like this at the moment,
- D302 is TVS1401 (https://www.ti.com/product/TVS1401)
- F304 is Littelfuse 160mA PTC (https://datasheet.lcsc.com/lcsc/2304140030_Littelfuse-1206L012WR_C151160.pdf)
I also want to be resiliant to faulty USB power supplies that have higher than expected voltages and lack current limiting. So I've used a PTC with 100A transient rating ahead of the TVS1401. It's based on an example in a Littelfuse USB design guide. I believe this provides adequate transient voltage surge protection and will also cut the input if the voltage is too high or inverted.
Any help is greatly appreciated,
Kind regards,
-Jason
