|
BQ24123 |
BQ24120 |
BQ24125 |
Description |
BQ24123 Synchronous Switch-Mode 2-cell Li-Ion Charger w/2A FET, enhanced EMI performance |
BQ24120 Synchronous Switch-Mode 1-cell Li-Ion Charger w/2A FET, enhanced EMI performance |
BQ24125 Single Chip Switchmode Li-Ion and Li-Polymer Charge Management IC with Enhanced EMI Performance |
Operating Vin(Min)(V) |
4.35 |
4.35 |
4.35 |
Rating |
Catalog |
Catalog |
Catalog |
Battery charge voltage(Max)(V) |
4.2,8.4 |
4.2 |
15.5 |
Battery charge voltage(Min)(V) |
4.2,8.4 |
4.2 |
2.1 |
Operating Vin(Max)(V) |
16 |
16 |
16 |
Absolute Vin (safety rating)(Max)((V)) |
20 |
20 |
20 |
Number of series cells |
1,2,3 |
1 |
1,2,3 |
Control topology |
Switch-Mode Buck |
Switch-Mode Buck |
Switch-Mode Buck |
Charge current(Max)(A) |
2 |
2 |
2 |
Features |
Integrated FET,OVP,Temp Monitoring (Thermistor Pin) |
Integrated FET,OVP,Temp Monitoring (Thermistor Pin) |
Integrated FET,OVP,Temp Monitoring (Thermistor Pin) |
Package Group |
VQFN|20 |
VQFN|20 |
VQFN|20 |
Approx. price(US$) |
1.95 | 1ku |
1.95 | 1ku |
2.95 | 1ku |
Control interface |
Standalone (RC-Settable) |
Standalone (RC-Settable) |
Standalone (RC-Settable) |
Cell chemistry |
Li-Ion/Li-Polymer |
Li-Ion/Li-Polymer |
Li-Ion/Li-Polymer |