TPS62051DGSG4

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TPS62051DGSG4 is a monolithic synchronous boost/sepic/inverting DC-DC converter with integrated high-side and low-side switches. It\'s a step-up converter that operates from input voltage down to 0.8 V and provides configurable output voltage up to 5.5 V.

The TPS62051DGSG4 is suitable for many applications like providing a higher voltage supplied from a single-cell Li-ion battery in products like cell phones, GPS, digital cameras, discrete adjustable output voltage for media players, load switches, etc.

Application Field

The TPS62051DGSG4 device has a wide range of application fields like:

• Supply 5 V from a 1.8~3.6 V input for SD cards, Bluetooth, Wi-Fi, etc. mass storage solutions
• Flash memory supplies
• Battery powered systems
• Portable media such as cell phones and MP3 players
• DC/DC regulators used to regulate input voltage
• Handheld manufacturer accessories
• Automotive and consumer electronics

Working Principle

The TPS62051DGSG4 is a DC-DC switching regulator and switching controllers intended for use in step-up or step-down applications. It is a monolithic, synchronous device and consists of an integrated high side and low side switches and a voltage feedback loop.

The device operates in three stages: first, the high side switch and low side switch are connected together in series, acting like an inductor, creating a pulse-width modulated (PWM) signal. The PWM signal is then filtered to produce a smooth voltage signal at the output. Finally, the voltage is regulated via a voltage feedback loop and a comparator.

The TPS62051DGSG4 is integrated with over-temperature and short-circuit protection in addition to under-voltage lockout, current-limit, and thermal shutdown. This helps ensure the device is safe and efficient even in the most challenging working conditions.

Conclusion

The TPS62051DGSG4 device is an excellent choice for a wide variety of DC-DC switching regulator applications. Its integrated high-side and low-side switches, over-temperature and short-circuit protections, and other features make it ideal for powering a variety of electronic equipment in harsh working environments.

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