TPS3705-33DGNG4

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The TPS3705-33DGNG4 is a supervisory circuit designed to improve system reliability in harsh environments, such as automotive applications, by providing reliable power supply monitoring and reset signals to ensure a reliable system restart. This device is part of the PMIC - Supervisors series. It protects circuits from drooping or excessive supply voltages by monitoring the power supply voltage and generating a reset signal when triggered. In addition, it also provides undervoltage monitoring and reset signals, to protect power supplies from dipping too low.

The TPS3705-33DGNG4 is an excellent supervisor for power supply systems. It has a wide input supply voltage range, from 4.5V to 42V, so it can be used in a variety of environments, including automotive and industrial applications. It is also designed to be low standby current, making it an efficient option that reduces power draw in your system. Additionally, the TPS3705-33DGNG4 features programmable reset and undervoltage thresholds, as well as an active-high POR_B reset pin, to give you the flexibility in setting up your system.

The TPS3705-33DGNG4’s main function is to monitor the voltage level at the system’s power supply point and issue a reset signal when a specific voltage level is reached. This is achieved through an internal PMOS transistor and an Internal Undervoltage Detector (IUD). The IUD monitors the supply voltage and generates a reset signal when it drops below the lower threshold voltage. The PMOS transistor then acts as a failsafe in case the reset signal is delayed or fails. This ensures that the system will reset safely and reliably.

The TPS3705-33DGNG4 can be used in a wide variety of applications. It is especially useful in automotive and industrial applications, where it can provide immediate feedback and protection to the system in the event of an unexpected drop or surge in the supply voltage. It can also be used to monitor and reset CPUs in microcontrollers, such as in medical and other alarm controls. Additionally, it can be used in gaming systems and embedded systems to help ensure that the system reboots reliably after experiencing a power interruption.

The TPS3705-33DGNG4 is an excellent supervisor circuit for a wide range of applications. It provides reliable power supply monitoring and reset signals to ensure a reliable system restart. Its wide input supply voltage range, low standby current, and programmable reset thresholds make it an ideal choice for projects that require immediate and reliable feedback from the system. With its robust design and reliable protection capabilities, the TPS3705-33DGNG4 is sure to keep your system running reliably for a long time.

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