TPS3850H12QDRCRQ1

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PMIC (Power Management IC) is an important integrated circuit that assists an electronic system to manage the power consumption of its components. PMICs are used to control the power distribution, as well as regulate and monitor the various voltages of the system. Supervisors are a type of PMICs that manage and control critical internal and external signals, detect system errors, and take corrective action. The TPS3850H12QDRCRQ1 is one such supervisor IC, widely used in communications, consumer and industrial applications.

The TPS3850H12QDRCRQ1 is a dedicated Supervisor IC designed to monitor the power rail voltages used in a variety of System-on-Chips (SoCs). It is equipped with a low voltage monitor that switches the output when a preset voltage level is detected. The output of the IC can then be used to activate reset, or perform any other necessary operations. It can also be used to control the SoC performance by monitoring the system current, as well as its temperature.

The TPS3850H12QDRCRQ1 consists of three voltage inputs. The primary voltage (VCC) is used to power the logic, while the reference voltage (VREF) is utilized as a reference for the voltage monitor circuit. The third voltage input (VIN) is used to monitor the actual system voltage. This IC also contains two outputs, a reset output and a watchdog output. The reset output is used to reset the SoC, while the watchdog output can be used to reset the system if an error is encountered. Additionally, the IC contains two internal timers, one being used to identify power up reset, and the other to reset the system if the watchdog timer expires.

The working mechanism of the TPS3850H12QDRCRQ1 is based on its voltage monitor circuit. When the voltage on VIN is lower than the prescribed voltage level on VREF, the IC sends a reset signal to the SoC’s reset pin and halts its operations. Similarly, when VIN is higher than the prescribed voltage level, the IC sends a reset signal to the SoC’s watchdog pin and reset the system. This allows the IC to protect the SoC from over or undervoltage. Furthermore, the IC contains watchdog timers which allows the system to reset if an invalid event occurs.

The TPS3850H12QDRCRQ1 is a versatile and reliable supervisor IC that has been widely deployed in a variety of consumer and industrial applications. It is most prevalent in communications, consumer and industrial applications where it is used to monitor and protect the SoC from unexpected voltage levels. The IC is designed to protect against total system failure, while providing sufficient flexibility so that users can tailor the IC’s behavior to meet their individual requirements.

In conclusion, the TPS3850H12QDRCRQ1 is a reliable and highly configurable Supervisor IC that is extremely useful in a wide variety of applications. Its low voltage monitor and watchdog timers enable it to monitor and protect system voltage levels, while its reset and watchdog outputs allow it to reset the system if any undesired events occur. This makes it an ideal choice for any system that demands a robust solution for monitoring and controlling its power rail voltages.

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