TPS650860A0RSKR

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PMIC - Voltage Regulators - Special Purpose

The TPS650860A0RSKR is a special-purpose voltage regulator integrated circuit subsystem targeted towards portable electronic devices that require low-power operation. It has two independent buck (step-down) regulators, two independent linear regulators, an integrated battery charger, an I2C/USB interface, power manager, and an integrated passthrough charging resistor (PCR) sensing pin to improve charging accuracy during USB charging. The TPS650860A0RSKR\'s protective features include Over-Voltage Protection (OVP) and Under-Voltage Lockout (UVLO).

Application Field

The TPS650860A0RSKR is designed to serve as an efficient platform for powering a wide range of portable devices such as smartphones, digital cameras, and tablets. Its protective features make it well-suited for applications where frequent, high-current transients may be encountered or equipment is being used in extreme environmental conditions, such as in aircraft and other high-altitude applications.

Working Principle

The TPS650860A0RSKR is equipped with two buck (step-down) and two linear regulators, as well as an integrated battery charger. The buck regulators each regulate an on-board DC-DC converter by providing a constant output voltage over a wide range of input voltages and can also provide input current , implementing a very efficient regulator. The linear regulators provide a steady output voltage, eliminating the need for an external voltage regulator or other type of voltage converter.

The integrated battery charger is designed to recharge any type of battery from a USB port, typically from a wall adapter. The charger is optimized for high-power, high-current applications, and is capable of charging and discharging. Additionally, the integrated PCR sensing pin allows the charger to accurately measure the voltage and current on the USB port when charging, improving accuracy while the device is plugged in.

Protective Features

The TPS650860A0RSKR has two protective features; Over-Voltage Protection (OVP) and Under-Voltage Lockout (UVLO). The OVP protects the circuit against excessive output voltages and the UVLO prevents equipment from operating when the input voltage is too low, such as in extreme environmental conditions. In the event that either of these features are tripped, the TPS650860A0RSKR will shut down and automatically reset, protecting the integrity of the system.

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