LM5068MMX-2/NOPB

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The LM5068MMX-2/NOPB is a PMIC Hot Swap Controller that offers a complete, single-pole, double-throw (SPDT) current-limiting power switch compatible with the zero insertion force (ZIF) socket. The device is designed to enable a system designer to increase system reliability while reducing the number of necessary components in tightly integrated stackable solutions. One of the main applications of the LM5068MMX-2/NOPB is the protection of low-voltage systems from overcurrent by limiting the maximum current that can be drawn from the power supply. Additionally, the device can be used for hot swap and overload applications.

The LM5068MMX-2/ NOPB provides two protection functions that are key to maintaining system reliability. The first is current-limiting, which is used to prevent the system from drawing too much current from the power supply. The device offers adjustable current-limit setpoints ranging from 3mA to 37mA, allowing system designers to configure the device to best match their system\'s power requirements. The other protection feature is overload protection, which activates when the system power draw exceeds the set current limit. The device will then limit the system current to keep it within safe levels.

The LM5068MMX-2/NOPB offers excellent power switch performance in a very small 3 × 3 mm package that features a Zero Insertion Forse (ZIF) socket and an integrated high-speed comparator. It has a wide input voltage range of 1.5V to 4.5V and a wide operating temperature range from –40°C to 125°C, making the device suitable for a wide range of applications. It also features over-temperature protection, allowing it to automatically shut down when excessive temperature conditions are detected.

The device works by monitoring an external current sense resistor to detect current draw from the power supply. The device will then enable the power switch based on the configured setpoints. When the power draw exceeds the setpoints, the device will activate the current-limit and/or over-temperature protection feature, depending on the system\'s configuration. The device also features built-in fault protection circuitry to detect power supply faults and prevent any potential damage caused by a loss of power.

In summary, the LM5068MMX-2/NOPB Hot Swap Controller is an ideal choice for increasing system reliability, reducing required system components, and preventing system failures due to overcurrent and overload. With its excellent power switch performance, wide operating temperature range, and built-in fault protection, the LM5068MMX-2/NOPB can provide robust, reliable, and cost-effective protection for low-voltage systems.

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