Reference Design: Xilinx Zynq 7000 Industrial Ethernet Board
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The MPS Industrial Ethernet Reference design for the Xilinx Zynq-7000 SoC combines a small footprint with good efficiency and tight regulation. Three MPM3630 3 amp buck modules combine with an MPM3610 1 amp buck module and two LDO regulators to provide power rails to the Zynq SoC. The output rails are from 0.75V to 3.3V, from a 12V input supply.
Features
- Small Footprint: 0.45sq inches.
- MPM3630, 3A, 18V DC/DC in 3x5 QFN
- MPM3610A, 1.0A, 21V DC/DC in 3x5mm QFN
- Module solutions, include inductor with DC/DC Converter
- Efficiency = 78% (12V to 1.0V/2A)
- +/-4% DC accuracy, -40 to +125ºC, including feedback resistors
- Effective Sequencing gated by Power Good and Enable signals
- MP20073 VTT Regulator, up to 2A sink/source, MSOP-8 package
- MP20043 Dual 300mA LDO Regulator, 2x2 QFN package, 75dB PSRR, 7uV low noise output
Block diagram
MPS Products Used
| Part Number | Quantity | Description | |
| MPM3630 | 3 | 3A, 18V, High-Efficiency, Step-Down Regulator Module with Integrated Inductor and Power Good | |
| MPM3610A | 1 | Synchronous rectified, step-down module converter with built-in power MOSFETs, inductor, and two capacitors. | |
| MP20073 | 1 | The VTT-LDO is a 2A sink/source tracking termination regulator. Specifically designed for low-cost/low-external component count systems, where space is a premium. | |
| MP20043 | 1 | Dual-channel, low noise, low dropout and high PSRR linear regulator with programmable output voltage. |
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