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PMAXREFDES1131: 0.72V/12A Supply for Xilinx Ultrascale+ FPGAs

MAXREFDES1131

参考设计免责声明 参照  重要声明和免责声明  涵盖参考设计和其他Maxim资源

描述

The MAXREFDES1131 provides the internal core voltage (VCCINT) for Xilinx Ultrascale+ FPGAs. This reference design targets FPGAs with a -2L speed grade that require 0.72V for VCCINT from a 12V intermediary bus. The converter supports a maximum load of 12A at a 400kHz switching frequency. The MAXREFDES1131 is centered around the MAX20730 step-down regulator, which is configured for standalone operation. However, the PMBus interface allows for monitoring and control of various converter parameters. All circuitry for the PMBus interface is provided and the MAXPOWERTOOL002# can be used to communicate with the MAXREFDES1131.

The MAXREFDES1131 uses the MAX20730 synchronous step-down regulator. The internal MOSFETs and control loop compensation allow for a compact design with minimal external resources. Additionally, the differential sense lines allow for accurate sensing of the CPU core voltage when located remotely from the MAX20730 IC. The loop gain is selectable to allow design flexibility between stability and output capacitance. A programmable soft-start limits inrush currents during startup. The MAX20730 also offers protections such as input UVLO, output overvoltage/ undervoltage alerts, output overvoltage protection, overtemperature, and current limiting. Moreover, the PMBus interface allows additional parameters to be monitored such as input voltage, output voltage, output current, and temperature. For a full list of PMBus commands, see Application Note 6042.

Key Features

  • PMBus Interface
  • Soft-Start
  • Protections
    • Output Undervoltage/Overvoltage Alert
    • Current Limit and Short-Circuit Protection
    • Overtemperature Protection

0.72V/12A Supply for Xilinx Ultrascale+ FPGAs

Icon

设计,建造,测试

图中的电路板已完全组装并经过测试。不可出售。

 

参数化

输入类型 Vin(Min) Vin(Max) Iout(Max) 单路/多路输出 Vout(V) Pout(W) 隔离/非隔离 拓扑
DC 11.4 12.6 12 - 0.698 8.64 Non-Isolated Synchronous Buck

参数化

输入类型 DC
Vin(Min) 11.4
Vin(Max) 12.6
Iout(Max) 12
单路/多路输出 -
Vout(V) 0.698
Pout(W) 8.64
隔离/非隔离 Non-Isolated
拓扑 Synchronous Buck

Maxim设备 (2)

器件号 名称 产品线 购买 设计套件和评估模块
MAX20730 开关稳压器 立即购买 设计套件
MAX1615 高压、低功耗线性稳压器,用于笔记本电脑 线性稳压器 立即购买 Not Available

Maxim设备 (2)

器件号 产品线
开关稳压器
线性稳压器
高压、低功耗线性稳压器,用于笔记本电脑
Not Available

设计资料 (4)

标题 类型 尺寸 日期
TTS MAXREFDES Test Results Template_Rev 0_0318 PDF 338KB 2019-07-09
maxrefdes1131-bom PDF 997KB 2019-07-09
maxrefdes1131-pcb PDF 2MB 2019-07-09
maxrefdes1131-schematic PDF 90KB 2019-07-09
日期 类型
2019-07-09

TTS MAXREFDES Test Results Template_Rev 0_0318

(PDF, 338KB)

2019-07-09

maxrefdes1131-bom

(PDF, 997KB)

2019-07-09

maxrefdes1131-pcb

(PDF, 2MB)

2019-07-09

maxrefdes1131-schematic

(PDF, 90KB)

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