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Dual Smart Battery System Manager
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LTC1760
Dual Smart Battery
System Manager
FEATURES DESCRIPTION SMBus Charger/Selector for Two Smart Batteries*
n Voltage and Current Accuracy within 0.2% of Value
Reported by Battery
n Simplifies Construction of “Smart Battery System
Manager”
n Includes All SMBus Charger V1.1 Safety Features
n Supports Autonomous Operation without a Host
n Allows Both Batteries to Discharge Simultaneously
into Single Load with Low Loss (Ideal Diode)
n SMBus Switching for Dual Batteries with Alarm
Monitoring for Charging Battery at All Times
n Pin Programmable Limits for Maximum Charge
Current and Voltage Improve Safety
n Fast Autonomous PowerPath™ Switching (95% Efficient Synchronous Buck Charger
n AC Adapter Current Limiting* Maximizes Charge Rate
n SMBus Accelerator Improves SMBus Timing**
n Available in 48-Lead TSSOP Package The LTC®1760 Smart Battery System Manager is a highlyintegrated SMBus Level 3 battery charger and selector
intended for products using dual smart batteries. Three
SMBus interfaces allow the LTC1760 to servo to the
internal voltage and currents measured by the batteries …