DS1810R-5/T&R

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Among the various system patterns in charge of microelectronic devices and systems, the PMIC (Power Management Integrated Circuit) non-volatile supervisors are the driving force behind many consumer electronic products. The DS1810R-5/T&R is one of the many PMIC superstars today, providing variety of applications and a generous range of features to make many consumer products function. This paper shall present what the DS1810R-5/T&R offers and its underlying principle of operation.

The DS1810R-5/T&R PMIC is a low power regulator with a very low quiescent current of just 2.4 mA measured at 3.3 V. This regulator is well-suited for low power applications such as digital signal processors and microcontrollers running on battery power. It is also used in many consumer products such as digital video recorders, digital cameras, digital music players, and many others. The regulator features a highly reliable P-FET switch and a variable output voltage range of 0.80 V to 3.6 V.

The DS1810R-5/T&R PMIC operates based on First-in-First-out (FIFO) architecture. This means that whenever the system receives an input, a FIFO will enable ON or OFF state and the output voltage will adjust accordingly. If a lower voltage is then applied to the system, the FIFO will turn OFF and the output voltage will be adjusted to the new voltage level. This cycle continues until the desired voltage level is reached. As the process continues, the regulator will alternately switch the output voltage between 0.80 V and 3.6 V until the desired voltage is obtained.

The primary application field of the DS1810R-5/T&R PMIC revolves around providing power or delivering supplies to microcontrollers and other digital devices that require low voltage. Being a regulator, it also features advanced features such as adjustable output current limit, under-voltage lockout, enabling of the output, and throttling modes. The adjustable output current limit allows the protection of integrated devices from overloading, while the under-voltage lockout ensures the safety against short circuit or voltage overload when the regulator is running at low voltage.

The DS1810R-5/T&R PMIC also offers several protection features such as latency protection, cycle-by-cycle protection, and soft-start. Latency protection prevents overshoot when the output voltage is switched off and then switched on again. The cycle-by-cycle protection feature prevents the regulator from suddenly entering a high current condition and wasting energy, which improves system efficiency. Finally, the soft-start feature helps prevent sudden power surges that may occur when the regulator is initially connected to the supply.

Finally, the DS1810R-5/T&R PMIC is specifically designed to meet the needs of today’s applications where low power is needed while maintaining a high degree of reliability. This minimizes the number of components that need to be used, thus reducing costs. It is also equipped with a built-in fault detection feature that can detect any excess load and shut off the system in order to protect it from any damage. The DS1810R-5/T&R is therefore an ideal choice for small and medium sized application boards.

In conclusion, the DS1810R-5/T&R PMIC is a very versatile and reliable regulator with a low quiescent current that is well suited for variying power needs in different applications. It also offers several protection features, adjustable output current limit, under-voltage lockout and soft-start, to ensure the safety of the system and its components.

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