Dual Firewire Current Limiter And Low-drop Oring

The MAX5944 is a dual, current limiter/low-drop ORing, Switch controller power-management IC for FireWire applications. Each independent channel controls two external Power MOSFETs to regulate current from the input power supply to the load and performs low-voltage- drop power-supply ORing. The MAX5944 operates over the 7.5V to 37V input range and provides inrush and out- put current limit in addition to Diode ORing functions suit- able for FireWire applications. The MAX5944 allows the safe insertion and removal of FireWire peripherals into a live FireWire port by providing inrush current control and output current-limiting func- tions. The MAX5944 features a current-limit function that actively limits the current drawn by the load with a 2ms timeout. Its autoretry function then automatically restarts after the 259ms autoretry delay time. The ORing feature provides a very efficient way to pro- tect the FireWire port when connected to another FireWire peripheral that sources a higher voltage. By turning off the external MOSFETs the MAX5944 provides a true bidirectional load disconnect. Each channel has an independent ON/OFF control that results in less than 10A supply current per channel. By Maxim Integrated Products
MAX5944 's PackagesMAX5944 's pdf datasheet

MAX5944 Pinout, Pinouts
MAX5944 pinout,Pin out
This is one package pinout of MAX5944,If you need more pinouts please download MAX5944's pdf datasheet.

MAX5944 Application circuits
MAX5944 circuits
This is one application circuit of MAX5944,If you need more circuits,please download MAX5944's pdf datasheet.

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