TPS53128PW

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TPS53128PW is a switch-controller integrated circuit (IC) unit used specifically for Voltage Regulators and PMIC/DC-DC switching control applications. It is considered as a low-power solution with integrated MOSFETs, allowing versatility in its usage. By utilizing this integrated power device, the TPS53128PW allows users to achieve multiple load providing regulated voltages.

The TPS53128PW’s package is a small but powerful unit that can fit into a variety of applications and applications environments. The device’s 6-Lead SOT-23 package allows single-ended and differential external voltage sensing. This kind of versatile packaging can fit into a variety of applications where space is limited, or one that requires a low power solution.

The TPS53128PW can be integrated into a range of controllers for a variety of devices, such as mobile phones and computer systems. Other applications include digital-data-clocks and reference enclosures, automotive systems, medical and HVAC, and portable equipment.

The integrated MOSFET can handle load currents up to 4.5A. With this, the TPS53128PW can provide multiple outputs, including output voltages of 5-36V at up to 60V of input voltage, a wide operating range from -40 to +85oC, a 1.5µs fast start-time, an efficiency of up to 95%, and a fast transient response.

The TPS53128PW has input undervoltage lockouts labeled at both OVP and UVP, locking out operation by the device if either of these limits is tripped. Additionally, the device features a low-current sleep mode to reduce power consumption and dissipated heat. The TPS53128PW’s internal circuitry can detect sudden changes in voltage and protected against over-current and thermal faults.

This circuit operates on the principle of pulse-width modulation (PWM). It has four key components that play important roles in its operation. The first is the Gate driver, which is responsible for controlling the switching of the external field effect transistors (FETs). This is done so as to ensure that the correct amount of current is supplied to the load. The second component is the Pulse-width modulator (PWM), which generates the PWM signal to control the external FETs. The third component is the Error Amplifier and its function is to ensure that the output voltage is kept constant. Lastly, the fourth component is the Current Limit Amplifier, which controls the external FETs so that the load current is kept constant.

In conclusion, TPS53128PW is a great choice for Voltage Regulators and DC-DC switching control applications, as it provides multiple output voltages and fast transient response. Its integrated MOSFET can handle up to 4.5A of current and it comes with built-in features such as input undervoltage lockouts, low-current sleep mode, over-current and thermal protection. With its compact design, it can be integrated into a range of applications and devices.

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