TPS51100DGQG4

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TPS51100DGQG4 is a voltage regulator from Texas Instruments, belonging to the company’s family of Special Purpose PMICs (Power Management Integrated Circuits). Like all other voltage regulators, its main purpose is to control the electric potential of a given circuit. It takes in a power supply of direct current (DC) voltage and regulates it to a preferred output value.

The TPS51100DGQG4 is a special-purpose voltage regulator for high current applications. It features two integrated buck converters, both rated at 6A per channel, and can supply up to 3.3A/5A output current. The device also offers fixed 27V, 36V, and 46V input voltage, as well as variable output voltage that can range from 0.5V to 5.5V. It also has adjustable thermal protection and a host of built-in protection features that safeguard against faulty conditions. The TPS51100DGQG4 is available in an 8-pin exposed pad SOIC package.

TPS51100DGQG4’s typical applications include DC/DC converter designs used in industrial equipment, server motherboards, distributed power architecture (DPA) designs for data centers, point-of-load (POL) designs for computers, and automotive applications such as infotainment systems.

The working principle of the TPS51100DGQG4 is based on the fact that it is a switching power supply. This means that it uses an electronic switch to turn the input voltage into output voltage through a process known as pulse-width modulation. Essentially, the device engages an electronic switch at regular intervals, such that the switch is closed when the output voltage falls below the desired value, and opened when the output voltage reaches the desired value.

The device has a stepping motor on its inside, and when the voltage reaches the desired value, the stepping motor stops. The speed of the switching and regulation is controlled by a pulse-width modulator (PWM) circuit, which monitors the output voltage and adjusts the duty cycle of the switching cycle accordingly. The device also has an adjustable current limit and minimum on time to prevent over-voltage and over-current conditions, while the adjustable thermal protection ensures that the device’s heat dissipation stays within acceptable levels.

In conclusion, The TPS51100DGQG4 is a high current voltage regulator from Texas Instruments, offering two integrated buck converters rated at 6A, as well as adjustable output voltage, adjustable thermal protection, as well as a host of built-in protection features. Its working principle is based on the fact that it is a switching power supply, wherein an electronic switch is used to convert the input voltage into output voltage, controlled by a PWM circuit.

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