Fairchild Introduces IntelliMAXTM Series Advanced Load Management Switches

Highly complex mobile products such as smartphones, tablets, digital cameras and other consumer products require seamless power management and battery switching for greater flexibility and battery reliability. Fairchild Semiconductor's IntelliMAXTM family of advanced load management switches helps designers improve system protection and reduce design complexity while achieving higher system power and reliability.

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Fairchild Semiconductor's extensive portfolio of IntelliMAX intelligent load switches features surge rate control, overcurrent limiting and thermal shutdown protection, reverse current blocking, and low operating input voltage to prevent inrush currents. Multi-channel configuration and high voltage and current load applications. The IntelliMAX family of expansion products solves the dynamic power challenges of light industrial applications with a single-chip solution, enabling designers to meet their design needs with off-the-shelf products, reducing component count and increasing efficiency.

The FPF1039 and FPF1048 switches are suitable for smart devices and portable memory devices that require high current capability and low on-resistance solutions for power path management, providing 20mΩ and 23mΩ on-resistance, 1.2V – 5.5V and 1.5V – 5.5V The input voltage range, as well as the extremely low turn-off current leakage, help meet the requirements of low standby power applications. The optimized slew rate controlled turn-on feature of TR = 2.7mS prevents voltage drops on power rails with large capacitances up to 200μF. The FPF1048 also offers true True Reverse Current Block, which eliminates unwanted reverse power regardless of whether the product is on or off.

The FPF2165R and FPF2195 full-featured load switches feature adjustable current limiting, making them ideal for applications with physical connectors such as USB and HDMITM for high current conditions. Using a current-limiting feature with an external resistor, the input power budget control can be easily adjusted to provide reverse current blocking to prevent unwanted reverse currents when the device is turned off. These devices operate in constant current mode to help prevent current damage and maintain a defined current after a current limiting fault.

The FPF1320 and FPF1321 devices are ideal for wireless charging applications with dual-input single-output (DISO) load switches, using a SEL pin with advanced break-before-make operation for seamless power conversion between the two input rails. These devices are designed to interface directly with low voltage control signal general purpose input and output (GIPO) applications.

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