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FULL DATA SHEET (PDF, 228kB) Download   E-Mail The MAX5944 evaluation kit (EV kit) circuit demonstrates the multiple functions of the MAX5944 IC. The MAX5944 IC is a two-channel controller that performs hot-swapping, power-supply ORing, and current-limiting functions for FireWire® applications. The MAX5944 controls n-channel MOSFETs to regulate load current from two input power supplies and performs low-voltage-drop power-supply ORing. The output current limit and input undervoltage-lockout thresholds are configurable. The MAX5944 EV kit is intended for 7.5V to 37V FireWire power-supply applications. The current-limit threshold is configured to 1.6A per channel. Shutdown mode can be controlled with an on-board jumper. A fault output for each channel is provided for circuit monitoring.

Key Features		Applications/Uses
Safely Hot-Swaps 7.5V to 37V FireWire Power Supplies Demonstrates Two-Channel Hot-Swap Current Limit Configured for 1.6A per Channel Low-Voltage-Drop Power ORing Demonstrates Active Current-Limit Feature Programmable Load Current Limit 2ms Regulated Current-Limit Timeout Autoretry Fault Management Configurable Undervoltage Lockout Overcurrent FAULTA-bar and FAULTB-bar Output Status Indicators Surface-Mount Construction Fully Assembled and Tested		FireWire® Desktop/Notebook Port FireWire® Hub FireWire® Peripheral Device Current Limit Hot Swap

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