TPS59116RGET

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The TPS59116RGET is a special-purpose voltage regulator manufactured by Texas Instruments that is designed for use in low-power microprocessor systems. It provides a regulated power supply for low-voltage microprocessors such as those found in embedded systems. The TPS59116RGET is a low-voltage synchronous DC/DC buck regulator that uses a low-cost and low power input voltage from 1.5 to 3.6 V (VDD1), allowing for self supply from a single battery, and then integrates a high-efficiency synchronous buck PWM controller to provide a regulated voltage output across a wide range of operation. The output voltage is adjustable from 0.6 to 1.8 V (VOUT1).

The TPS59116RGET is designed to provide high efficiency and power savings, while meeting the low quiescent current requirements of low voltage microprocessor applications. It also features a wide operating temperature range and a wide switching frequency (200kHz to 1MHz) that allows the use of tiny external components. All of these features make the TPS59116RGET an ideal voltage regulator solution for applications such as medical instrumentation, medical wearables, computing, and communications.

When used, the TPS59116RGET device consists of two main components needed for voltage regulation, which include the buck regulator itself and the control logic. The buck regulator consists of a N-channel MOSFET that connects the input voltage (Vdd1) to the output voltage (Vout1). The buck regulator is controlled by the PWM controller, which is connected directly to the output. The PWM controller converts the incoming voltage into a pulse-width-modulated signal that controls the duty cycle of the MOSFET.

The PWM logic generates the gate voltage for the buck regulator, and also controls the switching frequency of the buck. The frequency is adjustable via an external resistor or can be set to a fixed frequency. It also features a gain setting and over-current protection to ensure the load current is within a safe operating range. The PWM controller also features an adjustable voltage feed-forward loop, which helps ensure that the output voltage is within a few millivolts of the setpoint.

The TPS59116RGET also includes a power-saving mode that can switch off the DC/DC converter at light loads, saving power and battery life. An over-temperature protection circuit helps to prevent the output from exceeding its maximum value, while the device\'s POR (power on reset) feature helps keep voltage levels stable during power-up or brown-out conditions. The device has an integrated low standby current that reduces power consumption while the system is in sleep or idle mode.

In conclusion, the TPS59116RGET is a special-purpose voltage regulator that is used in low-power microprocessor systems. It provides a regulated power supply for low-voltage microprocessors, and its wide range of features makes it an ideal solution for medical instrumentation, medical wearables, computing and communications applications. It can also be used to power battery-operated devices, and its low standby current and adjustable frequency help keep power consumption to a minimum.

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