The MAX5978 hot-swap controller provides complete protection for systems with a supply voltage from 0 to 16V. The device includes four programmable LED outputs. The IC provides two programmable levels of overcurrent circuit-breaker protection: a fast-trip threshold for a fast turn-off, and a lower slow-trip threshold for a delayed turn-off. The maximum overcurrent circuit-breaker threshold range is set with a trilevel logic input (IRNG), or by programming through the I²C interface. The IC is an advanced hot-swap controller that monitors voltage and current with an internal 10-bit ADC, which is continuously multiplexed to convert the output voltage and current at 10ksps. Each 10-bit sample is stored in an internal circular buffer so that 50 past samples of each signal can be read back through the I²C interface at any time or after a fault condition. The device includes five user-programmable digital comparators to implement overcurrent warning and two levels of overvoltage/undervoltage detection. When measured values violate the programmable limits, an external active-low ALERT output is asserted. In addition to the active-low ALERT signal, the IC can be programmed to deassert the power-good signal and/or turn off the external MOSFET. The IC features four I/Os that can be independently configured as general-purpose input/outputs (GPIOs) or as open-drain LED drivers with programmable blinking. These four I/Os can be configured for any mix of LED driver or GPIO function. The device is available in a 32-pin thin QFN-EP package and operates over the -40°C to +85°C extended temperature range. Applications * Blade Servers * DC Power Metering * Disk Drives/DASD/Storage Systems * Network Switches/Routers * Soft-Switch for ASICs, FPGAs, and Microcontrollers * Hot-Swap Controller Operates from 0 to 16V * 10-Bit ADC Monitors Load Voltage and Current * Circular Buffers Store 5ms of Current and Voltage Measurements * Internal Charge Pump Generates n-Channel MOSFET Gate Drive * Internal 500mA Gate Pulldown Current for Fast Shutdown * VariableSpeed/Bilevel™ Circuit-Breaker Protection * Precision-Voltage Enable Input * Alert Output Indicates Fault and Warning Conditions * Open-Drain Power-Good Output with Programmable Polarity * Open-Drain Fault Output * Four Open-Drain General-Purpose Outputs Sink 25mA to Directly Drive LEDs * Programmable LED Flashing Function * Latched-Off Fault Management * 400kHz I²C Interface * Small, 5mm x 5mm, 32-Pin TQFN-EP Package https://elecena.pl/product/22330631/0-to-16v-hot-swap-controller-with-10-bit-current-voltage-monitor-and-4-led-drivers 2022-12-28 https://elecena.pl/product/22330631/0-to-16v-hot-swap-controller-with-10-bit-current-voltage-monitor-and-4-led-drivers 2025-01-17