1S LiFePo4 Fuel Gauge w/ impedance track

Matt Palmer

Intellectual 450 points

Other Parts Discussed in Thread: BQ34Z100, BQ34Z100EVM

What is the best option for a 1S Iron Phosphate fuel gauge that supports impedance track?

over 12 years ago

0 Onyx Ahiakwo over 12 years ago

TI__Guru* 76230 points

Hi Matt,

I would recommend the bq34z100.

thanks

Onyx

0 Buyssens Hubert over 8 years ago in reply to Onyx Ahiakwo

Intellectual 685 points

Hello,
Couldn't have been problem with BQ34Z100 and LIFEPO4 1S?
I've seen p2 of BQ34Z100EVM User's Guide (SLUU904A) that Input Voltage (Bat+ to Bat-) is minimum 3V.
But LIFEPO4 could go done to 2.5V... (see some discharge tests here : budgetlightforum.com/.../20415 ).
Regards,
Hubert

Power management

Power management forum

1S LiFePo4 Fuel Gauge w/ impedance track