The MAX14691–MAX14693 adjustable overvoltage, undervoltage, and overcurrent protection devices guard systems against overcurrent faults in addition to positive overvoltage and reverse-voltage faults. When used with an optional external pMOSFET, the devices also protect downstream circuitry from voltage faults up to +58V, -60V (for -60V external pFET rating). The devices feature a low, 31mΩ, on-resistance integrated FET. During startup, the devices are designed to charge large capacitances on the output in a continuous mode for applications where large reservoir capacitors are used on the inputs to downstream devices. Additionally, the devices feature a dual-stage, current-limit mode in which the current is continuously limited to 1x, 1.5x, and 2x the programmed limit, respectively, for a short time after startup. This enables faster charging of large loads during startup. The MAX14691–MAX14693 also feature reverse-current and overtemperature protection. The devices are available in a 20-pin (5mm x 5mm) TQFN package and operate over the -40°C to 125°C temperature range. Applications * Control and Automation * High-Power Applications * Human Machine Interfaces * Industrial Power Systems * Motion System Drives * Robust, High-Power Protection Reduces System Downtime * Wide Operating Input Range: +5.5V to +58V * -60V Negative Input Tolerance (for -60V External pFET Rating) * Low 31mΩ (typ) RON * Reverse Current-Blocking Protection with External pFET * Enables Fast Startup and Brownout Recovery * Thermal Foldback Current-Limit Protection * Dual-Stage Current Limiting * 1.0x Startup Current (MAX14691) * 1.5x Startup Current (MAX14692) * 2.0x Startup Current (MAX14693) * Flexible Design Enables Reuse and Less Requalification * Adjustable OVLO and UVLO Thresholds * Programmable Forward Current Limit From 0.6A to 6A with ±15% Accuracy Over Full Temperature Range * Normal and High-Voltage Enable Inputs (EN and Active-Low HVEN) * Protected External pFET Gate Drive * Saves Board Space and Reduces External BOM Count * 20-Pin 5mm x 5mm TQFN Package * Integrated nFET https://elecena.pl/product/22315405/high-accuracy-adjustable-power-limiter 2022-12-27 https://elecena.pl/product/22315405/high-accuracy-adjustable-power-limiter 2025-01-22