LTC4162EUFD-FAD#TRPBF

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The LTC4162EUFD-FAD#TRPBF is a power management integrated circuit (PMIC) used for battery management with a high level of integration. The device has four key features: a synchronous buck converter (step down regulator), reverse current protection, charge termination and system level protection. It is specialized in tracking low voltage batteries and providing efficient, low-cost power supplies with a wide range of applications.

The LTC4162EUFD-FAD#TRPBF is an advanced, small form factor PMIC with a wide range of applications. This low power device enables efficient use of energy sources in small system designs such as portable medical equipment, Internet of things (IoT) nodes, and meters, etc. This device integrates selectable buck converter, five system level protections, rechargeable battery charger and reverse current protection, enabling system level monitoring and protection from various conditions in one IC, reducing the space and cost of existing designs.

The buck converter integrated with the LTC4162EUFD-FAD#TRPBF is a synchronous step down converter featuring a wide input voltage range and high efficiency up to 94%. The buck is capable of being programmed with a fixed frequency or with one of the programmable frequency range. The converter employs pulse-width modulation (PWM) to primary control the inductor current flow allowing automatic optimization and synchronization with the inductor current.

The device also integrates a rechargeable battery charger. The charger implements a charge controller with an adjustable threshold voltage and a programmable timer to achieve fast and accurate charge termination. The terminal voltage is adjustable in a wide range with the provided resistor (RST) and can be monitored with the output of the voltage DAC (VREF) for accurate and reliable current limiting.

With five protection and diagnostic functions, the LTC4162EUFD-FAD#TRPBF helps to protect the system from various faults. A low temperature cut-off function prevents over discharge of low temperature batteries, current and voltage monitoring provide adjustable limits for over current, over voltage, and under voltage protection of the system, and a reverse current protection blocks the current flow from the battery back to the source.

To provide additional protection, the LTC4162EUFD-FAD#TRPBF integrates a fault latch which will shut down the system when a fault is detected, allowing the user to recover the system manually. An on-board EEPROM can store up to 32 bytes of user programmable data enabling customization of the device with external ports.

Overall, the LTC4162EUFD-FAD#TRPBF is a versatile high performance PMIC specially designed to provide efficient power supply, accurate power management and effective fault protection in low voltage battery powered applications.

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