TPS2112PWR

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The TPS2112PWR is an advanced power management and monitoring integrated circuit (PMIC) widely used in applications like digital photo frames, Bluetooth headsets and other battery operated mobile products. This PMIC is developed by Texas Instruments using the latest process technology. It provides full protection against over-voltage, over-current and thermal shock conditions. It also incorporates an on-chip temperature sensor, ideal diode and ideal rectifier circuits.

As a Power Management IC (PMIC), the TPS2112PWR integrates several functions:

• Voltage Conversion: The TPS2112PWR has two wide input voltage ranges (3V~16V and 2.6V~20V) that can easily convert voltages from one form to another with a minimum of voltage drop.
• Current Regulation: TPS2112PWR has internal current-regulation circuitry that protects against over-current and thermal conditions. It can constantly monitor the current and adjust it based on the system requirements.
• Over-Voltage Protection: The TPS2112PWR also has built-in protection against over-voltage conditions by limiting the maximum output voltage.
• Power Monitor: This PMIC also features a power monitor which can continuously monitor the input and output power levels and provide system information such as voltage and current levels.

The Ideal Diode circuit in the TPS2112PWR is used to provide a low-voltage drop across the output load and reduce its power loss. This Ideal Diode circuit is connected between the input and output voltage sources and its main purpose is to provide an On/Off control. When the input voltage is at its normal level, the Ideal Diode will remain in its Off state, thus allowing the current to flow through the output load. When the input voltage drops below the desired level, the Ideal Diode will go into its On state, which will cause the current to be diverted away from the output and back to the input source.

The Ideal Rectifier circuit integrated in the TPS2112PWR is used to convert the output AC signals into a constant DC voltage. The Ideal Rectifier is connected to the output of the power supply and provides a low voltage drop when the output voltage changes. This Ideal Rectifier circuit is driven by the switching transistor and is designed to reduce the current demand from the output load. This ensures that the voltage at the output load follows the desired levels more accurately and that the system is protected from over-voltage conditions.

The TPS2112PWR is designed to provide high-performance, efficient and advanced power management solutions in a highly integrated and cost-effective way. This PMIC offers a wide range of features such as current-regulation, over-voltage protection, temperature sensing, ideal diode and ideal rectifier circuits, making it ideal for applications requiring high-efficiency power supply and monitoring in battery operated mobile products.

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