LTC4313IDD-2#PBF

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The LT®C4313IDD-2#PBF is a single-channel high-side current detection switch optimized for high-side current monitoring in automotive body, powertrain, and climate control systems. It provides a galvanically isolated signal to its output, allowing for current to be monitored independent of its reference. It has an operating temperature range from -40°C to 125°C, making it ideal for harsh automotive conditions. The switch is designed to provide a low-power solution while maintaining a low-noise, true-amplification free ground-referenced voltage output.

This switch offers high input impedances and low quiescent current drain. It also has built-in protection that allows it to withstand reverse-voltage, over-voltage, and over-current conditions. The LT®C4313IDD-2#PBF supports a wide range of input voltages and is capable of handling input voltages up to 60V. It has a guaranteed latch-up immunity of 200V, which is especially useful in automotive applications.

The LT®C4313IDD-2#PBF features various configuration options including a programmable dead zone and detection threshold, hysteresis, and an adjustable output voltage. It can be configured via an external 2-wire interface or via SMBus, allowing the user to change the settings either on-the-fly or when the system is already operational. Its open-drain output provides a signal compatible with many digital systems, allowing the design engineer to easily integrate the switch into the system.

The LT®C4313IDD-2#PBF can be used in a variety of applications, including current monitoring, circuit protection, and as a signal actuating switch. It can be used to monitor the current in automotive systems, protecting batteries from over-discharge or over-charge. In switch mode, it can be used to activate circuit protection elements, such as crowbar circuits or fuses. It can also be used to control the switching of a high-side power transistor.

The primary function of the LT®C4313IDD-2#PBF is to detect, monitor, and switch high-side current in automotive systems. Its high-impedance, low-power design makes it ideal for use in tight environments. The ability to change the device settings via an external interface or SMBus makes it a flexible part for any automotive application. The switch is designed to provide accurate, noise-free operation in any number of high voltage applications, making it a reliable and versatile switch.

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