Hi,
I would like to use the external temperature protection of the BQ51003 in order to protect a Li-ion battery.
Though, i see tolerances below in the datasheet:
- Bias voltage : 10%
- % Vcold 3.5%
- % Vhot 5.5%
In my calculus, in order to have a typical 55°C protection i find maximum tolerances of 46.4°C < 55.0°C < 66.8°C.
Calculus are done wit 1% external resistance and 2% NTC.
Is it correct? Is there any tricks to reduce these tolerances?
Thanks in advance,
Julien