WTD: copy of Benchmarq data CD

Benchmarq data is available on the TI website.

Document names seem unchanged.

RL

That's great. I got a copy of the evkit software from the Wayback Machine (web.archive.org) and hacked together an interface pod using the schematic in the evkit datasheet. Only problem is, I can't see from the evkit (EV2014x.pdf) and device (Bq2014.pdf) datasheets how to calculate the "Average Vsr Current", which I need to calculate an estimation of the time the battery is going to last (at the average load). The Evkit software (EV2014.EXE) seems to get fairly accurate readings (60mA seems about right for the motor, and 1A is about right for the halogen lamp), but I'll be damned if I can work out how it does it. As usual, source code is included for the communication routines and the communication test tool, but the ZIP from Wayback didn't include the source code for EV2014.EXE. Problem is, the comms test tool allows you to read and write chip registers, but it doesn't do any calculations on them. EV2014 reads the chip regs and gives an average current measurement, and all the other useful little things.

Has anyone managed to work out how Benchmarq got the chip to divulge the voltage on the SR pin (aka Vsr), from which the current running through the battery is derived?

Thanks.