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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-25 V |
| Output 1 | 1.8 V |
| IC revision | 1.0.0 |
Description
The XRP7714EVB-DEMO-3 demo board is acomplete, four channel, power systemmeasuring 2” by 2.5” capable of producingover 35 watts. It is optimized to provide 3.3V,2.5V 1.8V and 1V at a maximum of 4 ampsper channel. The 2.5V, 1.8V and 1V suppliescan be adjusted in 50mV increments, and the3.3V supply is adjustable in 100mVincrements. The order and ramp rates for eachsupply can be programmed to accommodateany sequencing requirement. All power supplyoperations can be controlled over an I2Cinterface. Faults, output voltages and currentscan also be monitored. Four GPIO signals areavailable and can be programmed to providestatus of power good signals enables andfaults. Unused GPIO pins can be programmedas I/O expansion for a microcontroller. Theboard is supported by PowerArchitectTM andplugs directly onto the Exar CommunicationsModule (XRP77XXEVB-XCM).
Features
- XRP7714 Programmable Controller
- 4 Channel Power System
- Wide Input Voltage Range: 4.5V-25V
- Over 35W Capable
- Small Form Factor: 2.0” x 2.5”
- I2C Interface
- Programming
- Monitoring
- Control
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Pins | Type | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 2 µH, 8.7 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance2 µH | Performance Rated Current8.7 A | Saturation Current @ 10%3 A | Saturation Current @ 30%9 A | DC Resistance14.2 mΩ | Self Resonant Frequency58 MHz | MaterialSuperflux | Pins2 | – | MountSMT | Length7 mm | Height3 mm | – | – | Operating Temperature -40 °C up to +150 °C | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 3.3 µH, 8.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance3.3 µH | Performance Rated Current8.1 A | Saturation Current @ 10%4.5 A | Saturation Current @ 30%11 A | DC Resistance17.2 mΩ | Self Resonant Frequency43 MHz | MaterialSuperflux | Pins2 | – | MountSMT | Length7 mm | Height3.8 mm | – | – | Operating Temperature -40 °C up to +150 °C | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 4.9 µH, 8.3 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance4.9 µH | Performance Rated Current8.3 A | Saturation Current @ 10%2.2 A | Saturation Current @ 30%6.5 A | DC Resistance14.5 mΩ | Self Resonant Frequency56 MHz | MaterialSuperflux | Pins2 | – | MountSMT | Length7 mm | Height4.8 mm | – | – | Operating Temperature -40 °C up to +150 °C | ||||
 | WR-PHD Socket Header - Dual, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Socket Header - Dual | – | – | – | – | – | – | – | Pins10 | TypeStraight | MountTHT | Length13.2 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | ||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | Pins40 | TypeStraight | MountTHT | Length101.6 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C |