LTC2935CTS8-1#TRMPBF

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Power management integrated circuits (PMICs) are critical components in a range of electronic systems. These chips provide power management features like voltage regulation, current monitoring, and temperature monitoring. A subcategory of PMICs is supervisors, which monitor and control power supply voltages, system oscillators, and the primary power state.

The LTC2935CTS8-1#TRMPBF is an example of a supervisor IC. It is an automotive-grade supervisor that provides system monitoring and protection functions. The chip is capable of monitoring 8 independent power supply rails, clock signals, and digital outputs. It can also control 4 reset outputs, and offers additional protection against overvoltage, overcurrent, reverse polarity, undervoltage, and temperature.

The LTC2935CTS8-1#TRMPBF can be used in a variety of automotive applications, such as power train systems, driver information displays, infotainment systems, and body control modules. It is also suitable for use in a wide range of industrial systems, such as test & measurement equipment, robotics, automation, HVAC, lighting systems, and other process control applications.

The key features of the LTC2935CTS8-1#TRMPBF are its two-level reset logic and automatic power-on reset (POR) capability. The chip provides an active-low reset output (reset_L) and a power-on reset output (POR_L) which can be used to drive reset signal for other components. The reset_L output provides a signal which is not only released when a power supply voltage is above the preset level, but also remains asserted until the internal or remote digital input is enabled.

The monitoring features of the LTC2935CTS8-1#TRMPBF are based on a pair of comparators that can be used to sense overvoltage (UV) and undervoltage (OV) conditions for each power supply rail. These comparators work in conjunction with voltage limit reference inputs and a configureable digital alarm output. The chip also has an internal temperature monitor that can be used to detect thermal events and trigger an alarm (TOUT) signal when specified temperature limits are exceeded.

The LTC2935CTS8-1#TRMPBF can also be used to monitor clock signals and digital outputs. To do so, it uses a pair of synchronisers and a configurable digital input with selectable debounce filtering. This allows the user to detect when a signal is stuck high or low, so that the system can respond appropriately. The chip also has a programmable enable input which can be used to quickly enable or disable monitoring of the signals.

Finally, the LTC2935CTS8-1#TRMPBF can control up to four independent power-on reset outputs. These outputs generate a reset signal when a configurable power-on condition is detected, and are ideal for applications which require multiple power-on reset signals. In addition, the chip has an open-drain wake-up output which can be used to generate an active-low signal when a distinct power supply voltage or high level digital input is detected.

In summary, the LTC2935CTS8-1#TRMPBF is a reliable and versatile supervisor IC. It is suitable for use in a wide range of automotive and industrial applications, and provides advanced power management and protection functions. Its two-level reset logic, automatic power-on reset, voltage monitoring, temperature monitoring, clock monitoring, and reset outputs make it an excellent choice for system design and power management.

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