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LTC4155 Datasheet Dual-input Power Manager / 3.5a Li-ion Battery Charger

Manufacturer: Linear Technology (now Analog Devices)

Overview: LTC4155 Dual-Input Power Manager/ 3.5A Li-Ion Battery Charger with I2C Control and USB.

General Description

The LTC®4155 is a 15 watt I2C controlled power manager with PowerPath™ instant-on operation, high efficiency switching battery charging and USB patibility.

The LTC4155 seamlessly manages power distribution from two 5V sources, such as a USB port and a wall adapter, to a single-cell rechargeable Lithium-Ion/Polymer battery and a system load.

The LTC4155’s switching battery charger automatically limits its input current for USB patibility, or may draw up to 3A from a high power wall adapter.

Key Features

  • n High Efficiency Charger Capable of 3.5A Charge Current n Monolithic Switching Regulator Makes Optimal Use of Limited Power and Thermal Budget n Dual-Input Overvoltage Protection Controller n Priority Multiplexing for Multiple Inputs n I2C/SMBus Control and Status Feedback n NTC Thermistor ADC for Temperature Dependent Charge Algorithms (JEITA) n Instant-On Operation with Low Battery n Battery Ideal Diode Controller for Power Management n USB On-The-Go Power Delivery to the USB Port n Full Feat.

LTC4155 Distributor