Just wondering if anyone knew the exact differences between the bq20z65 and the newly released bq20z655?
So far these are the differences I've found:
- The bq20z655 is able to drive 3, 4, or 5-segment LCD (bar-graph) displays (as well as multiple single LEDs) to display battery pack conditions: "The LCD is operational at all times except when the bq20z655 is in shutdown mode"
- The two unused pins of the bq20z65 (12 & 19) are now used by the bq20z655:
Pin 12 (COM/TP): Output / open drain: LCD common connection
Pin 19 (CE): A logical high on this pin only affects the normal operation on the charge FET when the battery is in charge/relax mode. For a logic low, the normal bq20z655 firmware controls the charge FET.
It looks like the chips are practically pin-to-pin compatible though...
Are there any significant internal operational differences between the two?
I'd appreciate if anyone could shed some light on this new gas gauge - thanks!
