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Analog Devices LT2972 | Demoboard DC2363-1
LTC2972 4-Channel PMBus Power System Manager with LTM4644 Quad 4A Power Supply
Overview
| Topology | Buck Converter |
| Input voltage | 4.5-15 V |
| Output 1 | 3.3 V |
Description
The DC2363A is a single circuit board that contains four independent power supply rails. The board employs a single LTM4644 4-channel 4A DC/DC regulator. The board is pre-configured with 1.0V, 1.5V, 2.5V, and 3.3V supply rails and may be reconfigured with feedback resistors.The LTpowerPlay® graphical user interface (GUI) supports this demonstration system and enables complete control of all the features of the LTC2972. Together, the LTpowerPlay software and DC2739A hardware system create a powerful development environment for designing and testing configuration settings of the LTC2972. LTpowerPlay stores these settings in the LTC2972’s internal EEPROM or in a project file. The software displays all of the configuration settings and real time measurements from the Power System Management IC. Telemetry allows easy access and decoding of the fault log created by the LTC2972. The board comes preprogrammed with the EEPROM values appropriate for the four power supply rails on the DC2739A. Just plug and play!Multiple DC2739A boards can be cascaded together to form a high channel count power supply (see Multi-Board Arrays). This cascaded configuration demonstrates features of the LTC Power System Management ICs which enable timing and fault information that is shared across multiple Power System Management ICs. The user can configure up to eight DC2739A boards, thereby controlling up to 32 separate power supply rails. Larger board arrays can be built using programmable I2C base addresses or bus segmentation.
Features
- Sequence, Trim, Margin, and Supervise Four Power Supplies
- Manage Faults, Monitor Telemetry, and Create Fault Logs
- PMBus Compliant Command Set
- Supported by LTpowerPlay GUI
- Margin or Trim Supplies to 0.25% Accuracy
- Four IOUT and One IIN Monitor
- Input Power Measurement and Energy Accumulation
- Fast OV/UV Supervisors per Channel
- Multichannel Fault Management
- Automatic Fault Logging to Internal EEPROM
- Operates Autonomously without Additional Software
- Monitors: Voltage, Current, Power, Temperature
- 4-Channel Time-Based Output Sequencer
- I2C/SMBus Serial Interface
- Powered from 4.5V to 14V
Typical applications
- Industrial Test and Measurement
- Computers and Network Servers
More information
Products
Order Code | Datasheet | Downloads | Status | Product series | PCB/Cable/Panel | Modularity | Wire Section | Pins | Type | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWR-TBL Series 102 - 5.00 mm Horizontal Entry Modular, Wire Protector, PCB | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 102 - 5.00 mm Horizontal Entry Modular | PCB/Cable/PanelPCB | ModularityYes | Wire Section 22 to 14 (AWG) 0.75 to 1.5 (mm²) | Pins2 | TypeHorizontal | MountTHT | Length10 mm | Height10 mm | Rated Current17.5 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | –Check availability | ||
 | SPECWR-PHD Jumper, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | Pins2 | – | – | – | – | Rated Current3 A | Working Voltage200 V (AC) | Operating Temperature -25 °C up to +105 °C | –Check availability | ||
 | SPECWR-PHD Pin Header, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | – | – | Pins3 | TypeStraight | MountTHT | Length6 mm | – | Rated Current2 A | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C | –Check availability |
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |