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Describes the PAC2000S12-B1 power supply unit (PSU).
Lists the target audience for the document.
Defines symbols used in the document.
Details the first release of the document.
Provides a summary of the PSU's capabilities and design.
Lists key technical specifications and capabilities of the PSU.
Explains the naming convention for the PSU model.
Lists the typical applications for the PSU.
Details environmental operating conditions and parameters.
Specifies AC and HVDC input voltage, frequency, and current characteristics.
Details output voltage, current, power, and regulation.
Specifies output efficiency under various conditions.
Details AC input overvoltage and undervoltage protection thresholds.
Graph showing PSU efficiency versus load percentage.
Graph showing PSU power dissipation versus load percentage.
Shows startup and shutdown waveforms under AC and DC input.
Displays voltage response to load changes under AC input.
Shows output voltage ripple under AC and DC input conditions.
Describes active/standby operation and characteristics.
Explains how the PSU enters and exits deep sleep mode.
Details cold standby mode entry and exit conditions.
Describes hot swapping PSU without AC power.
Details hot swapping via management system.
Explains hot swapping with AC power applied.
Lists fan operational requirements in different modes.
Describes how the fan is powered and controlled.
Details fan protection mechanisms and fault reporting.
Outlines design requirements for current sharing in parallel operation.
Defines timing sequences for PSU turn-on and turn-off.
Explains the ORing-FET circuit for fault isolation in parallel systems.
Describes the PSON12V# signal for MV12/MV6 output control.
Explains the PRESENT# signal for PSU presence detection.
Describes the INSTALLED# signal for PSU insertion detection.
Explains the OPOK# signal for MV12 output status.
Describes the IPOK# signal for PSU input status.
Explains the IPOK LINK# signal for standby PSU input status.
Details the CYC_PWR# signal for PSU shutdown/restore.
Describes the I_MON# signal for current share.
Explains the IP PRESENT# signal for SV12 switch control.
Explains the PS_INTERRUPT# signal for I2C alarm.
Describes the EFUSEV signal for input current monitoring.
Explains the SMART_ON# signal for cold standby.
Describes the physical layer protocol for communication.
Details the I2C interface and its signal characteristics.
Explains I2C addressing for the PSU.
Describes the data link layer protocol used.
Details the I2C data transmission mode and rate.
Specifies I2C bus timeout behavior.
Discusses the network layer protocol.
Explains slave device addressing.
Details data packet verification using CRC.
Specifies CRC generation rules.
Outlines PMBus data transmission formats.
Describes the application layer protocol.
Explains linear 11 and linear 16 data formats.
Lists PMBus commands and their parameters.
States that PSU supports online upgrade.
Discusses the black box function for fault logging.
Explains calculation of total runtime.
Describes the circular event log and its format.
Details the format for reading log data.
Provides the physical dimensions of the PSU.
Defines the pin assignments for the output connector.
Describes the Power status indicator colors and states.
Specifies EMC conducted emission criteria.
Specifies EMC radiated emission criteria.
Details ESD immunity test criteria.
Specifies criteria for electrical fast transient immunity.
Specifies criteria for radiated susceptibility.
Specifies criteria for conducted susceptibility.
Specifies criteria for power magnetic susceptibility.
Details AC and HVDC input surge test criteria.
Specifies AC voltage dip immunity criteria.
Specifies HVDC voltage dip immunity criteria.
Details dielectric strength test parameters and expected results.
Outlines ground continuity testing procedures.
Specifies the Mean Time Between Failures (MTBF).
General| Model | PAC2000S12-B1 |
|---|---|
| Input Voltage | 100-240VAC |
| Input Frequency | 50/60Hz |
| Output Voltage | 12VDC |
| Cooling Method | Forced Air Cooling |
| Operating Temperature | +50°C |
| Storage Temperature | +70°C |
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