TPS40070PWPRG4

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The TPS40070PWPRG4 is part of the new generic family of dc/dc help controllers from Texas Instruments. The TPS40070PWPRG4 is a synchronous four-phase DC/DC help controller which provides superior efficiency and transient response at high currents. The controller also features a unique double-spaced driver architecture, allowing for independent current sharing between the phases.

The TPS40070PWPRG4 provides a very accurate output voltage and consumes very little power. Its typical operating voltage range is from 0V to 3.3V with programmable switching frequency range of 150kHz–3MHz. It is capable of supporting output currents up to 10A. The TPS40070PWPRG4 offers a wide variety of features such as integrated gate drives, low input voltage detection, slew rate control, on-chip phase loss protection, and programmable phase shift.

The TPS40070PWPRG4 is designed to simplify design and reduce the external components count. It simplifies board-level layout and reduces the Bill of Materials (BOM) cost. The device provides integrated control and monitoring functions, such as overvoltage, and undervoltage lockout, current limit protection, frequency jitter, and voltage loss protection. Furthermore, the TPS40070PWPRG4 features a variable dead time to reduce EMI.

The TPS40070PWPRG4 can operate as a voltage regulator, providing a constant output voltage regardless of the variation of the input voltage, or as a switched mode power supply, providing power at a high efficiency. The TPS40070PWPRG4 can be used to regulate a DC output voltage from 28V to 48V, and provides an output current of up to 10A. The device also provides a low current standby mode and brown-out detection.

The TPS40070PWPRG4 is intended to be used in a variety of applications, including telecom, computing, industrial and consumer applications. Telecom applications include powering software-defined wide area network (SD-WAN) routers and base stations, as well as embedded computing solutions. Industrial applications include powering small form factor industrial machines and embedded industrial control systems. Consumer applications include powering home gateways and gaming consoles.

The TPS40070PWPRG4 operating principle is simple: it oscillates the switching transistor at an input frequency, varying the switching frequency of the controller accordingly. This is done by the modulated clock signal, generated internally by the TPS40070PWPRG4, and the oscillation frequency is then regulated using a feedback loop. This feedback loop is composed of two components: the control voltage and the voltage feedback. The output voltage is compared to the reference voltage, and the control voltage is used to regulate the switching frequency, thus maintaining the output voltage constant.

The TPS40070PWPRG4 is an ideal device to create high performance and efficient voltage regulators. Its wide input voltage range and variable frequency make it ideal for turning an unregulated source into a regulated source with high accuracy. The high efficiency and low power consumption make it an excellent choice for powering embedded systems. Finally, its wide variety of features, such as voltage loss protection, brown-out detection, and integrated gate drives make it a reliable and intelligent choice.

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