Datasheet Analog Devices LTC4101EG#PBF

LTC4101
Smart Battery
Charger Controller
DESCRIPTION FEATURES n Single Chip Smart Battery Charger Controller
100% Compliant (Rev. 1.1) SMBus Support Allows
for Operation with or without Host
Up to 4A Charging Current Capability
High Efficiency Synchronous Buck Charger
VBAT Optimized 3V to 5.5V
SMBus Accelerator Improves SMBus Timing
Hardware Interrupt and SMBAlert Response
Eliminate Interrupt Polling
0.5V Dropout Voltage; Maximum Duty Cycle > 98%
AC Adapter Current Limit Maximizes Charge Rate
±0.8% Voltage Accuracy; ±4% Current Accuracy
10-Bit DAC for Charge Current Programming
11-Bit DAC for Charger Voltage Programming
User-Selectable Overvoltage and Overcurrent Limits
High Noise Immunity SafetySignal Sensor
Available in a 24-Pin SSOP Package The LTC®4101 Smart Battery Charger is a single chip
charging solution that dramatically simplifies construction
of an SBS compliant system. The LTC4101 implements
a Level 2 charger function whereby the charger can be …