BU46K234G-TL Integrated Circuits (ICs)

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The BU46K234G-TL part is a supervisor circuit with low voltage reset that operates from a wide supply voltage range (1.8 V to 5.5 V). The device provides a propagation delay of 3 ms when powered up by a regulated voltage.

The BU46K234G-TL has two primary functions which are monitoring the regulated voltage and providing a reset pulse when the voltage level is under the threshold voltage. The monitored voltage level can remain in either low or high state so long as the voltage is above the threshold voltage.

In a system where the supervisor circuit is used, the reset pulse is used to reset other devices, such as the microcontroller or clock chip, or to the power up the system after a power failure. The reset pulse is typically triggered when the monitored voltage level drops below a certain threshold. This threshold is specified by the user-defined voltage.

The BU46K234G-TL is used in a wide variety of applications including automotive, industrial and consumer applications. For automotive applications, the device is used to detect when the input voltage is below the threshold level, providing a short pulse before releasing a long reset pulse that is used to reset onboard components. For industrial applications, the supervisor can be used to detect when the input voltage level is low, providing feedback to a controller to either activate a power saving mode or issue a system reset. In consumer applications, the supervisor can be used to detect voltage levels and initiate system power up following a power failure.

The BU46K234G-TL has an active-low-reset (LRESET) output that can be used to reset other devices in the system. It also features an integrated circuit reset voltage supervisor (CRV) which enables the reset pulse to be released when the input voltage drops below a certain threshold. The CRV is a patented circuit which triggers a reset pulse when the input voltage is less than the threshold voltage level. The reset pulse is typically active for 1 ms before the regulator releases the reset pulse.

The device also includes an integrated voltage detector (VDD) which can be used to detect if the voltage is within the operating range. If the VDD drops below the threshold level, it will trigger the LRESET output and issue a reset pulse. The voltage level can remain low or high as long as the voltage is above the threshold level.

The BU46K234G-TL is an extremely useful and versatile product, providing a low voltage reset circuit in a wide variety of applications. This low voltage reset circuit can be used to provide feedback to the controller to either activate a power saving mode or issue a system reset. Additionally, the integrated voltage detector can be used to detect if the voltage is within the operating range and will trigger the reset pulse when the threshold is met.

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