Maxim Alternatives for the TEXAS INSTRUMENTS bq2018
TEXAS INSTRUMENTS bq2018
Benefits of the DS2761 over the bq2018:
DS2761 has an integrated single cell Li-Ion Protector, bq2018 does not.
Optional integrated 25m sense resistor, bq2018 does not.
Available in flip chip package, smallest package for bq2018 is 8-pin TSSOP.
DS2761 can measure voltage, bq2018 does not.
Has lower max current measurement offset of +15.625uV vs. bq2018 max current measurment offset of +500uV.
Has true NV memory vs. battery-backed RAM in bq2018.
Has lower sleep current of 2uA (max) vs 10uA (max) in the bq2018.
Temperature measurement resolution is 0.125°C vs. 10°C for the bq2018.
Several DS2761s can reside on same Dallas 1-Wire interface bus for multi-pack applications. Only one bq2018 may reside on its single wire interface bus.
Benefits of the bq2018 over the DS2761:
The bq2018 has lower active supply current of 80uA (max) vs 90uA (max) for the DS2761.
Has more total memory of 128 bytes battery-backed RAM vs. 32 bytes EEPROM and 16 bytes of RAM for the DS2761.
Has an internal self discharge estimation calculation, the DS2761 does not.
sense resistor, bq2018 does not.