Datasheet Analog Devices LTC1960CG#PBF

LTC1960
Dual Battery Charger/
Selector with SPI Interface
DESCRIPTION FEATURES Complete Dual-Battery Charger/Selector System
n Serial SPI Interface Allows External µC Control and
Monitoring
n Simultaneous Dual-Battery Discharge Extends Run
Time by Typically 10%
n Simultaneous Dual-Battery Charging Reduces
Charging Time by Up to 50%
n Automatic PowerPath™ Switching in 5V CMSL CAI Input Common Mode Low CMSH CAI Input Common Mode High VCL1 CL1 Turn-On Threshold TG tr
TG tf TGATE Transition Time: TGATE Rise Time TGATE Fall Time BG tr
BG tf l –0.8
–1 0.8
1 %
% l –5
–6 5
6 %
% 345 kHz Duty Cycle ≥ 99% 255 300 20 25 kHz 99 99.5 % 140 155 190 150 µA 0 V
VDCIN–0.2 95 mV V 100 105 mV CLOAD = 3300pF, 10% to 90%
CLOAD = 3300pF, 10% to 90% 50
50 90
90 ns …

LTC1960
Dual Battery Charger/
Selector with SPI Interface
DESCRIPTION FEATURES Complete Dual-Battery Charger/Selector System
n Serial SPI Interface Allows External µC Control and
Monitoring
n Simultaneous Dual-Battery Discharge Extends Run
Time by Typically 10%
n Simultaneous Dual-Battery Charging Reduces
Charging Time by Up to 50%
n Automatic PowerPath™ Switching in 5V CMSL CAI Input Common Mode Low CMSH CAI Input Common Mode High VCL1 CL1 Turn-On Threshold TG tr
TG tf TGATE Transition Time: TGATE Rise Time TGATE Fall Time BG tr
BG tf l –0.8
–1 0.8
1 %
% l –5
–6 5
6 %
% 345 kHz Duty Cycle ≥ 99% 255 300 20 25 kHz 99 99.5 % 140 155 190 150 µA 0 V
VDCIN–0.2 95 mV V 100 105 mV CLOAD = 3300pF, 10% to 90%
CLOAD = 3300pF, 10% to 90% 50
50 90
90 ns …