TLC7705IP

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The TLC7705IP is a supervisor integrated circuit whose application field is most associated with power cycling, resetting voltage offsets and signal filtering for reset signals in both low and high end systems in numerous industries. It is one of the many components of a power management Integrated circuit (PMIC). PMIC packaging varies from slab tiles and Ball Grid Arrays (BGA) to individual integrated circuits, though what they all have in common is their ability to handle a power delivery system\'s specific requirements. Generally, these components require different voltages and currents, as well as an orderly sequence when powered up or powered down.

The packaged TLC7705IP measures up to 3x3x0.3 mm and has an array of features that serve to make it suitable for any power monitoring or reset signals needs. One of its features is its voltage monitoring capability which allows it to trigger a reset signal at the required voltages thereby preventing power glitches from overloading components. It also features temperature supervision and ESD protection. Furthermore, the circuit has integrated digital temperature sensor output and an open drain reset output that has an adjustable delay of up to 30 ms.

In terms of its working principle, the TLC7705IP serves as a voltage supervisor by using an internal reference voltage to monitor a supply voltage (labeled VDD). When VDD drops below the preset threshold, a reset signal output (labeled RESET) goes low, initiating a reset action. This is done through an active-low logic configuration. This means that the voltage supervisor will be active if the RESET pin is connected to the supply voltage that is being monitored.

When there is power applied to the circuit, the internal voltage reference is compared to that of the applied voltage value. The circuit then waits for the voltage to exceed the threshold or for the supply voltage to drop below the threshold. When the voltage is greater than the set point, the RESET pin will remain high. However, if the voltage drops below the threshold, the RESET pin will go low, and the VDD pin will then reset to its pre-programmed voltage or current level.

The reset signal will also be outputted when the temperature goes above or below a certain level as set in the circuit\'s thermal protection settings.Triggered by a digital temperature input (labeled TEMP) which is connected to the supply voltage being monitored, the circuit can detect temperatures that are either too hot or too cold, depending on the expected temperature range. The TLC7705IP can also protect against Electro Static Discharge (ESD) up to 6KV. This means that the voltage supervisor still works even in the presence of hazardous charges that are higher than normal.

To sum it up, the TLC7705IP is an integrated circuit used in power cycling, resetting voltage offsets and signal filtering for reset signals. It can be used for both low and high end systems such as computers, cell phones and standalone embedded systems. As a voltage supervisor, the circuit effectively protects from power glitches, temperature related fluctuations and ESD damages.The TLC7705IP is user friendly and efficient, and its features ensure that it remains suitable for many applications.

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