TPS61103RGER

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TPS61103RGER is a cost-efficient and ultra-low quiescent current Linear + Switching (L+S) Power Management Integrated Circuit (PMIC) voltage regulator. It is designed to be used in a wide range of applications from microprocessor to digital signal processors (DSPs), embedded microcontrollers, and other single-chip microprocessor architectures.

The device supports different output voltage levels ranging from 0.7 up to 5.5V with an extremely low quiescent current of 1.1 uA and an ultra-small surface mounted solution of 1.6mm x 1.2mm. It has selectable Auto-mode, which allows the device to determine the correct operating mode automatically and Silent-mode, which enables low-noise operation. It also features advanced current overload protection with a programmable current limit, as well as a dedicated internal power-on reset pin.

The regulator is suitable for supplying power to mobile and portable systems where low power consumption and small size are critical requirements. It is especially optimized for cloud computing, powering edge node processors and low power microcontrollers requiring an ultra-low quiescent current, small size and non-phase-shift support.

The TPS61103RGER operates in two distinct modes – Linear Regulation Mode (LRM) and Switched Mode Operation (SMO). In LRM, the device operates as a linear regulator, and the output voltage is regulated by sensing the difference between the input and output voltages and providing the necessary feedback control to the error amplifier. In SMO, the output voltage is regulated by controlling the duty cycle of the switching regulator. This mode is more efficient and allows for a faster response time with lower output ripple.

The internal circuitry of the TPS61103RGER provides various protection features such as input overvoltage protection, output short circuit protection, thermal shutdown, and output current protection. The thermal shutdown is monitored by an internal temperature sensor and shuts off the device if temperatures rise beyond the specified limits. The output current protection prevents the output voltage from dropping below a given level if the load current is too high.

In summary, the TPS61103RGER provides a highly efficient, cost-effective and small-footprint solution for powering mobile and portable systems. It is particularly well-suited for low power microcontrollers and processors requiring low power dissipation and noise-free operation. Its features including selectable Auto-mode and Silent-mode, as well as integrated protection, make it a great choice for powering a wide range of devices.

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