TPS22976DPUR

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TPS22976DPUR is a power management integrated circuit (PMIC) manufactured by Texas Instruments. It is a single-channel, low-negative voltage, PMOS power switch with current-limit, EMI-protection, and short circuit protection. The device’s low-power design allows it to be used in applications with moderate power requirements, such as battery-operated systems.

TPS22976DPUR belongs to the Power Distribution Switches, Load Drivers, and is used in a variety of system applications. It’s designed to be used as a low-current hard switch with an adjustable current limit setting. It can control the connection and disconnection of an external load to the power bus, allowing for an efficient way of managing the power delivery on the system. It is also capable of increasing the available current to the load, thus increasing the power source’s efficiency. The device can be enabled/disabled through a logic control pin or a voltage signal.

The TPS22976DPUR working principle starts with the current-sense circuitry, which senses the output current and sends a signal to the Error Amplifier (EA) block when the current-limit threshold is exceeded. The EA amplifies the signal and sends it to the Control Logic block that then turns off the switch. Furthermore, the EMI protection circuit monitors the output voltage, and if it exceeds the EMI protection threshold, the current-limit control circuit is activated. Finally, the Short Circuit Protection circuit monitors the output voltage, and if it exceeds the preset threshold, the power switch turns off. After the fault condition is resolved, the power switch is (automatically) re-enabled.

The device is also equipped with thermal information protection and protection against over-voltage and reverse-voltage conditions. It is available in a small footprint package and has an adjustable current limiting circuit, making it suitable for a wide range of applications such as battery-powered systems, gaming consoles, or other mobile computing or communication devices. The device is also EMI compliant, meaning it reliably maintains the desired output voltage while completely suppressing undesirable high-frequency EMI noise.

In conclusion, the TPS22976DPUR application field and working principle make it an ideal choice for low-power applications. Its adjustable current limit setting and EMI compliance make it an excellent option for a variety of systems. Additionally, its over-voltage and reverse-voltage protection and thermal protection make it a safe, reliable, and robust option.

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