STM6905TGEDS6F

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The STM6905TGEDS6F Supervisors are a targeted power management integrated circuit (PMIC) with low-voltage protection and reset functions. The PMIC is designed for applications such as automotive, industrial, mobile, and consumer electronics. It is available in a 5 pin PDIP package with input voltage range from 1.7V to 5.5V.

The STM6905TGEDS6F provides a variety of benefits for a wide range of applications. It provides power-on reset (POR) and watchdog functions. The PMIC can detect over-voltage and under-voltage conditions and provide a reset signal if either condition is detected. It also provides a monitoring circuit for monitoring the status of the power supply, an adjustable watchdog timer, and a shutdown input that can be used to power down the system. The device also features a reset status output flag and three delay outputs.

In terms of working principle, the STM6905TGEDS6F is an analog voltage supervisor. It is powered by a single, low-voltage supply and is always under control of one or more input logic levels. The input logic level controls the reset and data inputs. The reset input causes a reset when it is driven low, while the watchdog input causes a reset whenever it is driven high. If a reset is triggered, the output will switch from high to low and then back to high after an adjustable time delay. The time delay is set by external capacitors.

The watchdog timer can be enabled or disabled using the watchdog enable control bit. When enabled, the watchdog input is monitored and if a high logic level is not asserted within the timeout period, the watchdog will trigger a reset. The watchdog input can also be used to reset the device manually. The reset output is an open-drain output, so a pull-up resistor is usually required. The reset output can be used to reset other components and devices.

The STM6905TGEDS6F provides three delay outputs, which can be used in applications such as sequenced resets. Each delay output has its own adjustable timeout that can be set with external capacitors. The delay output can be used as part of a system’s startup sequence or to reset downstream logic.

Overall, the STM6905TGEDS6F is an excellent choice for a wide range of applications. It is easy to use and provides a versatile solution for power management. Its low voltage protection and reset functions make it an ideal choice for a variety of applications.

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