TPS54316PWPG4

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TPS54316PWPG4 is a high quality DC-DC switching regulator. It is designed for use in power control applications as well as voltage and switching regulation. With its small package size, low pin count and wide input/output voltage range, this regulator is suitable for various applications ranging from mobile phone to home appliance and automotive applications.

Application Field

The TPS54316PWPG4 is well suitable for low voltage and high current applications. It can accept input voltage from 0V to 6.5V, with an output current up to 12A. It features an integrated high efficiency switching regulator that provides up to 95% efficiency and can work with an input voltage range from 1V to 6.5V. With its low operating temperature and low EMI, this regulator is well suitable for various applications. These include portable and embedded processor applications, automotive applications, consumer electronics such as laptops and cellular phones, and industrial purposes.

Working Principle

The TPS54316PWPG4 switching regulator consists of a DC output stage, a control stage, and a drive stage which has an error amplifier plus a PIN diode and resistor. The DC output stage consists of a MOSFET switch and a synchronous rectifying P-channel MOSFET which increases efficiency when the voltage is below a certain threshold. The error amplifier is responsible for compensating the output stage with precise feedback and the drive stage controls the switch states resulting in a precise output voltage. The PIN diode has two main functions: it serves as a synchronous rectification control and an impedance controller. The output voltage is controlled by adjusting the impedance of the PIN diode.

The TPS54316PWPG4 features various protective features such as short-circuit, overload, over temperature, under voltage lockout, and thermal shutdown, to prevent permanent damages and malfunctions.

For optimal performance, the TPS54316PWPG4 switching regulator should be placed in a proper PCB layout. To ensure correct functionality, the designer should take special care to the input and output voltages, the capacitors, and their relative proximity to the regulator.

The TPS54316PWPG4 can be used in many applications, from home appliance to automotive applications, even portable and embedded applications. With its small form factor, high efficiency and low operating temperature, this regulator can meet the requirements of many applications and provide reliable performance. At the same time it provides great protection to the system, with its different protective measures. This makes it a great choice for any power control applications.

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