MAX15301

InTune自动补偿数字PoL控制器,带有驱动器和PMBus遥测

通过模拟控制器设置可满足瞬态和轻载性能的唯一数字电源IC


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说明

MAX15301是一款全性能、高效率数字负载点(PoL)控制器,带有先进的电源管理以及遥测特性。与基于PID的数字电源调节器不同,MAX15301采用Maxim专利的InTune自动补偿、状态空间控制算法。InTune控制对小信号和大信号响应均有效,并受占空比饱和度的影响。这样就无需用户确定和设置从线性模式至非线性模式转换的门限。可产生快速的环路瞬态响应,与竞争的数字控制器相比,可减少输出电容的数量。

MAX15301具有优化效率的多个特性。内部开关BabyBuck调节器产生栅极驱动以及控制器的内部偏置电源,具有很低的功率损失。先进的、高效MOSFET栅极驱动器具有自适应非重叠定时,可连续调整高边和低边定时,在整个电压、电流以及温度范围内将开关损耗降到最小。

MAX15301在设计时考虑到终端用户的设计环境。板上PMBus兼容串行总线可与监控和故障管理的监控控制器进行通讯。全套的电源管理功能,无需复杂且昂贵的排序和监控IC。基本的DC-DC转换器可通过引脚搭接进行设置,无需用户配置固件。允许在板级系统工程完成之前快速开发电源子系统。Maxim提供配置MAX15301的硬件和软件支持。

MAX15301采用32引线、5mm × 5mm TQFN封装,工作在-40°C至+85°C温度范围。

MAX15301: Typical Operating Circuit MAX15301: Typical Operating Circuit 放大+

关键特性

  • InTune自动补偿确保在优化瞬态性能时保持稳定
  • 非线性补偿可产生快速瞬态响应,并减小输出电容
  • 差分远端电压采集,确保在整个温度范围内(-40°C至+85°C)具有±1% VOUT精度
  • PMBus接口用于配置、控制和监控
  • 支持电压定位
  • 提高效率
    • 驱动器具有自适应非重叠定时
  • 4.5V至14V宽输入范围
  • 高效片上BabyBuck调节器,用于自偏置
  • 0.5V至5.25V输出电压范围
  • 启动进入预偏置输出
  • 可配置软启动和软停止时间
  • 固定频率工作,带有SYNC (300kHz至1MHz)
  • 灵活的排序和故障管理
  • 引脚搭接配置
    • 输出电压、从地址、开关频率、电流限制
  • 开箱即用,加速原型开发

应用

  • 基站设备
  • 图形卡
  • 电源模块
  • 路由器/交换机
  • 服务器
  • 存储系统

MAX15301EVKITHP: MAX15301评估板
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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