TPS562210DDFT

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The Texas Instruments TPS562210DDFT is a synchronous buck DC/DC controller that regulates a voltage rail of up to 10A. It can be used to control the output voltage of a power converter, either as a stand alone regulator or as part of a more complex system. This device is designed to drive a high current load by using a synchronous rectification technique. It is capable of providing a precision output voltage with very high efficiency.

Features

• Wide input voltage range from 5V up to 28V
• Output current up to 10A
• 5V logic control input with programmable under-voltage lockout
• Integrated temperature monitor for safety and reliability
• High efficiency (>97%)
• Over current, over temperature and short-circuit protection

Applications

• PC Peripheral Power Supplies
• Storage Devices
• Motherboard Power Regulation
• Industrial and Medical Equipment
• Automotive Infotainment Systems

Working Principle

The TPS562210DDFT operates in a buck topology. The input voltage is applied to the input electrolytic capacitor and is then regulated by the internal voltage reference. The controller uses a power switch, combined with a synchronous rectifier, to regulate the output voltage and create a pulse width modulated signal. This PWM signal is then used to control the power switch and rectifier in order to accurately regulate the output voltage.

Protection Features

The TPS562210DDFT has several integrated protection features to ensure safe and reliable operation. These include over current, over temperature and short-circuit protection. In the event of a fault condition, the device will automatically shut down in order to protect itself and the connected load. The integrated temperature monitor also allows the device to operate safely under extreme environmental conditions.

Conclusion

The TPS562210DDFT is a high current DC/DC controller that is capable of regulating a voltage rail of up to 10A. It is designed with a wide input voltage range, 5V logic control input and various protection features. This device is ideal for applications such as PC peripheral power supplies, storage devices, motherboard power regulation and industrial and medical equipment.

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