Maxim Alternatives for the TEXAS INSTRUMENTS bq26220
TEXAS INSTRUMENTS bq26220
Benefits of the DS2761 over the bq26220:
DS2761 has an integrated single cell Li-Ion Protector, bq26220 does not.
DS2761 has optional integrated 25mΩ sense resistor, bq26220 does not.
DS2761 is available in flip chip package, smallest package for bq26220 is 8-pin TSSOP.
DS2761 has lower max current measurement offset of +15.625uV vs. bq26220 max current measurment offset of +20uV.
DS2761 has lower max voltage measurement offset of 4.88mV vs. bq26200 max voltage measurment offset of +34.16mV, -7.32mV.
DS2761 temperature measurement is more accurate at +3°C vs. +4°C for the bq26220.
DS2761 has lower sleep current of 2uA (max) vs 5uA (max) in the bq26220.
Several DS2761s can reside on same Dallas 1-Wire interface bus for multi-pack applications. Only one bq26220 may reside on its single wire interface bus.
Benefits of the bq26220 over the DS2761:
bq26220 has more NV memory, 96 bytes of flash or flash-backed RAM vs 32 bytes EEPROM for the DS2761.
bq26220 has lower active supply current of 37uA (max) vs 90uA (max) for the DS2761.
bq26220 voltage measurement resolution is 2.44mV vs. 4.88mV for the DS2761.
bq26220 has an internal self discharge estimation calculation, the DS2761 does not.
