LTC2972IUJF#TRPBF

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The LTC2972IUJF#TRPBF is a two-channel monitoring and power supply controller (PMIC) designed to provide users with real-time high power supply performance and power system monitoring. It features a temperature range of -40°C to 158°C with a wide 5V to 60V input voltage range and a 0V to 80V output voltage range. The device also features a high power efficiency in both the standby and active mode, allowing it to consume less power even in high performance applications.

The LTC2972IUJF#TRPBF provides a wide range of features and benefits to system designers, including:

• A two-channel multiplexer for monitoring two different power supply conditions.
• Integrated power good control register for resetting the system in an event of undervoltage or overvoltage condition monitoring.
• Built-in overvoltage and undervoltage analog comparators with programmable trip-point registers and corresponding flags.
• High accuracy and low power current sensing capability with a wide range of current ranges.
• Programmable power limit (PWRGD) with a hysteresis loop.
• High-side MOSFET gate driver output.
• Power Save Mode which disables internal current sources when the system is not operating.
• Hardware shut-down with programmable soft-on time delay.
• A serial bus interface for communication with MSP microcontrollers.

The device is designed primarily to reduce overall system power consumption while still providing robust monitoring and control capabilities. It is ideal for use in multiple types of power supply applications such as:

• Computer and networking power supplies
• Telecommunication and industrial control applications
• Battery powered, automotive, and solar panel based systems
• High temperature and high humidity switched-mode power supplies

The working principle of the LTC2972IUJF#TRPBF is based on a two-channel multiplexer circuit, which is used to monitor two different power supply conditions. It contains two buck converters that convert a wide 5V to 60V input voltage range into a 0V to 80V output voltage range. The buck converters can be configured to provide either continuous or pulse width modulation mode of operation with the help of the Device Information Tool software. The device also has integrated overvoltage, and undervoltage detection circuitry with programmable trip point registers, as well as programmable power limit.

The device integrates a high-side MOSFET gate driver output, as well as current sensing capabilities with a wide range of current range. The LTC2972IUJF#TRPBF also contains a power-saving mode, which disables the internal current sources when the system is not operating. This helps to reduce overall system power consumption. Furthermore, the device has a built-in shutdown mode which activates a programmable soft-on delayed toggle, in order to ensure proper shut-down of the system when the voltage drops below a certain level.

In summary, the LTC2972IUJF#TRPBF is a high performance, cost-effective, and energy-efficient two-channel monitoring and power supply controller. It is suitable for use in a variety of power supply applications, and offers a wide range of features and benefits that can help to reduce overall system power consumption, while still providing robust monitoring and control capabilities.

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