TLC7705QDRG4

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The TLC7705QDRG4 is a dedicated supervisor integrated circuit (IC) used in a variety of power management applications. This supervisor provides a range of current and voltage monitoring and control functions that are essential in ensuring reliable system operation. The TLC7705QDRG4 is a high temperature, voltage-controlled device that can be used in diverse applications, ranging from automotive to industrial applications. The TLC7705QDRG4 is part of Texas Instruments’ TLC7705 family of supervisors.

The TLC7705QDRG4 is a wide operating temperature range device, with a temperature range of -40° to +125°C. It is packaged in a small 5x6.4mm Quad Flat No-Lead (QFN) package, making it ideal for use in space-constrained applications. The device includes an integrated MOSFET FET switch, a power supply monitor, a voltage monitor, and a thermal sensor diode output.

The TLC7705QDRG4 is designed to monitor and protect systems from overvoltage and undervoltage conditions, which would otherwise cause system damage or even failure. The device monitors power supply voltages and sequences the power up or down. It also features integrated thermal protection that allows the device to shut off the output in the event of thermal overload or die temperature excursion.

The device features a wide input voltage range from 2.0V to 16V, and can be used to monitor and control a variety of input voltages. The voltage monitor has an adjustable threshold for detecting an undervoltage condition, as well as two programmable trip points for overvoltage protection. The power supply monitor provides an accurate and reliable output current limit, providing stable rail performance and reducing ripple.

The TLC7705QDRG4 also includes an adjustable MOSFET switch, which can be used to power up or sequence the system. The switch can be triggered manually or automatically based on the input voltage signal. The on-chip MOSFET has a wide operating voltage range of up to 18V, and it is capable of switching currents up to 250mA. The MOSFET is protected against overvoltage and short circuit conditions, making it very reliable.

The TLC7705QDRG4 also features a thermal sensor diode, which is used to measure the temperature of the device. The thermal sensor diode is used to detect temperature excursions, allowing the device to shut down the system if temperatures exceed the pre-set limit. This feature is useful for applications where temperature extremes need to be avoided.

In summary, the TLC7705QDRG4 is a versatile and reliable supervisor IC, providing a range of features that help to protect power systems from unwanted voltage, current and temperature excursions. The device is capable of monitoring a wide range of voltages, sequencing the power up and down, and providing thermal protection. It is ideal for use in a variety of power management applications.

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