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Nexperia Expands Product Portfolio with First Integrated 5 V Load Switches

Update time : 2023-08-19 11:08:47

Nexperia, a high-capacity specialist in basic semiconductor devices, today announced that it has expanded its analog and logic product portfolio with the introduction of the NPS4053 load switch family, a high-density integrated circuit (IC) that provides excellent system protection in a small form factor to help improve system reliability and security. The device has been optimized and upgraded for applications in portable devices (e.g., notebook PCs), desktop PCs, docking stations and in-vehicle infotainment systems.

Load switches are essential for the proper functioning of a variety of modern electronic systems. These switches play a key role in managing the current/voltage from the power supply to the load in a controlled manner. In a typical power chain, the NPS4053 is usually located closer to the load and is responsible for managing the power supply sequence and controlling inrush currents, as well as shutting down the power supply to conserve power, making it particularly important for battery-powered devices. The solution is a monolithic structure that simplifies circuit design and reduces PCB size by up to 85% compared to comparable discrete devices.
The NPS4053 operates from an input voltage of 2.5 V to 5.5 V and includes a 55 mΩ self-protecting MOSFET that effectively manages the power flow to the load. The device includes programmable current limiting circuitry to precisely control the load current with +6% accuracy over the 110 mA to 2.5 A range. The device also provides "true" reverse current blocking for robust and reliable end-to-end system protection. To further enhance system monitoring, the NPS4053 incorporates a fault indicator pin that alerts the host controller of a fault event.
The NPS4053 is compliant with multiple certification standards, including UL 62368, and is also available in an AEC-Q100 certified version. For added flexibility, the device is available in both a pinned package and a pinless package (HWSON 6).

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