LTC3577-3
Overview
The LTC®3577-3/LTC3577-4 are highly integrated power management ICs for single cell Li-Ion/Polymer battery applications. It includes a PowerPath manager with automatic load prioritization, a battery charger, an ideal diode, input overvoltage protection and numerous other internal protection features.
- Full Featured Li-Ion/Polymer Charger/PowerPath™ Controller with Instant-On Operation
- Triple Adjustable High Efficiency Step-Down Switching Regulators (800mA, 500mA, 500mA IOUT)
- I2C Adjustable SW Slew Rates for EMI Reduction
- High Temperature Battery Voltage Reduction Improves Safety and Reliability
- Overvoltage Protection Controller for USB (VBUS)/Wall Inputs Provide Protection to 30V
- Integrated 40V Series LED Back Light Driver with 60dB Brightness Control and Gradation via I2C
- 1.5A Maximum Charge Current with Thermal Limiting
- Battery Float Voltage: 4.2V (LTC3577-3)
- 1V (LTC3577-4)
- Pushbutton ON/OFF Control with System Reset
