LTC1645CS8#PBF

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Power management integrated circuits (PMICs) are specialized parts of semiconductor chips used to manage power and resource management. These functionalities can be used in various applications and in various components. The LTC1645CS8#PBF is a PMIC – Hot Swap Controllers with 2 network support, 2 isolated supply output and 32V operation voltage range.

Overview of LTC1645CS8#PBF with Application Field

The LTC1645CS8#PBF is a high-performance hot-swap controller that provides two networks power control supply, two isolated outputs (VOUT1/VOUT2) and 32V operation voltage range. The device provides robust power control when hot-swapping systems that contain sensitive integrated circuits.

The LTC1645CS8#PBF devices are typically used in applications such as computer servers, routers, switches, and control systems in the information technology, telecom and automotive industries. Additionally, the devices are also used in high-reliability test and measurement instrumentation. The device features low current shutdown, turn-on slew rate control, overcurrent protection, and voltage order sequencing capability.

Due to its small form factor and energy-efficiency, the device is also popularly used in consumer applications such as PCs, set-top boxes and gaming systems. Furthermore, the device reduces minimum hot-swap time due to its low gate driver turn-on slew rate. All these features make the LTC1645CS8#PBF a suitable part for various applications.

Working Principle of LTC1645CS8#PBF

The LTC1645CS8#PBF is based on an internal current sense amplifier and comparator. The internal current sense amplifier senses overled current, which helps to protect the device from any overcurrent damage. As the current rises, the signal that is generated is then compared to the OVP threshold, after which the device turns off.

The LTC1645CS8#PBF also features an on-chip oscillator with programmable frequency that varies the outputs that support both regulation and sequencing. The device integrates fault signalling and fault pins which helps to notify system when any fault conditions occur and limits boards damage in case of any overvoltage or overcurrent condition.

The device features a programmable slew-rate control which limits inrush currents when powering up. This feature can also be used to reduce current surges during the hot-swapping operations. Furthermore, the LTC1645CS8#PBF also supports up to 32V overvoltage protection and provides short-circuit protection.

Conclusion

The LTC1645CS8#PBF is a PMIC – Hot Swap Controllers device, which offers two network power controls, two isolated outputs, and a 32V operation voltage range. The device is commonly used in computer servers, routers, switches, control systems, high-reliability test and measurement instrumentation, and consumer applications such as PCs, set-top boxes and gaming systems. The device works based on the internal current sense amplifier and comparator, which senses the current to protect against overcurrents. Additionally, the device also provides programmable slew-rate control, up to 32V overvoltage protection, and short-circuit protection. Therefore, the LTC1645CS8#PBF is suitable for various applications.

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