ADM1272-1ACPZ

ADM1272 is a hot swap controller that allows a circuit board to be removed from or inserted into a live backplane. It also features current, voltage, and power readback via an integrated 12bit analogue-to-digital converter (ADC), accessed using a PMBus™ interface. This device is able to withstand upto 120V, which makes it very robust in surviving surges and transients commonly associated with high voltage systems, usually clamped using protection devices such as transient voltage suppressors (TVSs) that can often exceed 100V. The load current, ILOAD, is measured using an internal current sense amplifier that measures the voltage across a sense resistor in the power path via the SENSE+ and SENSE− pins. It is used in application such as 48V/54V systems, servers, power monitoring and control/power budgeting, central office equipment, telecommunication and data communication equipment, industrial applications etc.

• Controls supply voltages from 16V to 80V (absolute maximum 120V)
• FET energy monitoring for adaptable FET SOA protection
• Programmable random start mode to stagger power-on, FET fault detection
• Remote temperature sensing with programmable warning and shutdown thresholds
• ±0.85% accurate current measurement with 12bit ADC, programmable start-up current limit
• ILOAD, VIN, VOUT, temperature, power, and energy telemetry
• 1% accurate UV and OV thresholds, programmable hot swap restart function
• 2 programmable GPIO pins, reports power and energy consumption
• Peak detect registers for current, voltage, and power, PMBus fast mode compliant interface
• Operating temperature is -40°C to +105°C, package style is 48-lead LFCSP

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ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party