LTM4650

推荐新设计使用

双通道 25A 或单通道 50A DC/DC μModule 稳压器

数据手册 (Rev. E) 产品选型表
产品模型
5
产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。
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产品详情

  • 双通道 25A 或单通道 50A 输出
  • 输入电压范围：4.5V 至 15V
  • 输出电压范围：0.6V 至 1.8V
  • 在整个电压、负载和温度范围内具有 ±1.5% 的最大总 DC 输出误差
  • 差分远端采样放大器
  • 电流模式控制 / 快速瞬态响应
  • 可调开关频率
  • 频率同步
  • 过流折返保护
  • 可利用多个 LTM4650 实现多相并联均流 (高达 300A)
  • 内部温度监视器
  • 引脚与 LTM4620 (双通道 13A，单通道 26A) 及 LTM4630 (双通道 18A，单通道 36A) 相兼容
  • 可选的突发模式 (Burst Mode®) 操作
  • 软起动 / 电压跟踪
  • 输出过压保护
  • 16mm x 16mm x 5.01mm BGA 封装
LTM4650
双通道 25A 或单通道 50A DC/DC μModule 稳压器
50A, 1.2V Output DC/DC μModule Regulator 1.2VOUT Efficiency vs IOUT Product Package 1
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参考资料

数据手册 1

可靠性数据 1

用户手册 4

设计笔记 1

技术文章 3

了解更多
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将产品添加到myAnalog 的现有项目或新项目中（接收通知）。

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硬件生态系统

部分模型 产品周期 描述
数字电源系统管理器 1
LTC2975
推荐新设计使用 具准确输入电流和能量测量功能的 4 通道 PMBus 电源系统管理器
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将产品添加到myAnalog 的现有项目或新项目中（接收通知）。

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工具及仿真模型

LTspice 6

LTspice中提供以下器件型号：

  • LTM4650
  • LTM4650-1
  • LTM4650-2
  • LTM4650A
  • LTM4650A-1

LTpowerCAD 2

LTspice

LTspice®是一款强大高效的免费仿真软件、原理图采集和波形观测器，为改善模拟电路的仿真提供增强功能和模型。

LTpowerCAD

LTpowerCAD®是一种电源设计程序，它选择功率级元件，提供详细效率信息，显示快速环路波特图稳定性和负载瞬态分析，并可导出至LTspice进行仿真。

评估套件

eval board
schematic 1
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DC2481B-A

LTM4677 和 LTM4650 演示板 | 具有 PMBus 电源系统管理功能的降压型 μModule 稳压器 LTM4677 + LTM4650，86A

立即购买 更多内容

产品详情

演示电路 2481B-A 是一款高效率、高密度、μModule® 稳压器，具有 4.5V 至 15V 输入电压范围。输出电压可在 0.6V 至 1.8V 范围内调整，并可提供最大 86A 负载电流。该演示板具有 1 个 LTM4677 和 1 个 LTM4650 μModule 稳压器。LTM4677 是一款具有 PMBus 电源系统管理功能的双通道 18A 或单通道 36A 降压型稳压器，而 LTM4650 是一款双通道 25A 或单通道 50A 降压稳压器。有关更多详细信息，请参见 LTM4677 和 LTM4650 数据手册。

DC2481BDC2481B-A 上电至默认设置并基于配置电阻产生电源，无需任何串行总线通信。这样可轻松评估 DC/DC 转换器。为了充分发掘该器件丰富的电源系统管理功能，请将 GUI 软件 LTpowerPlay® 下载到 PC 上并使用 ADI 公司的 I2C/SMBus/PMBus 加密狗 DC1613A 连接到该板。LTpowerPlay 允许用户重新配置联机器件，将配置存储在 EEPROM 中，并查看电压、电流、温度和故障状态的遥测功能。

有关 LTpowerPlay 的更多详细信息和说明，请参阅 LTpowerPlay 软件 GUI。

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DC2479A-A

LTM4650EY演示板 | 双相降压型μModule稳压器，4.5V ≤ VIN ≤ 15V，VOUT = 0.6V至1.8V (50A)

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产品详情

演示电路2479A-A内置高效率、高密度、双通道25A、单通道50A开关模式降压电源模块稳压器LTM4650EY。输入电压范围为4.5V至15V。输出电压的可编程范围为0.6V至1.8V。DC2479A-A配置为双相、单路输出，可提供高达50A的最大电流。该电路板使用较少的元件即可设计以演示此高效率、高密度μModule。如数据手册中所述，某些VIN、VOUT和热条件需要输出电流降额。LTM4650EY采用16mm × 16mm × 5.01mm BGA封装以及许多特性和可用性，使其适合许多高密度终端负载应用。在处理或修改演示电路DC2479A-A之前，必须结合本演示手册阅读LTM4650数据手册。


 


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DC2378A-A

LTM4650演示板 | 双相降压型μModule稳压器，4.5V ≤ VIN ≤ 15V，VOUT = 0.6V至1.8V (50A)或双路25A

立即购买 更多内容

产品详情

演示电路DC2378A-A内置高效率、高密度、双通道25A、单通道50A、开关模式降压电源模块稳压器LTM4650EY。输入电压范围为4.5V至15V。输出电压的可编程范围为0.6V至1.8V。DC2378A-A每通道可提供最大25A的电流。如数据手册中所述，某些VIN、VOUT和热条件需要输出电流降额。在重负载条件下，该板在连续导通模式下工作。针对低负载电流下的高效率，MODE跳线(JP1)选择面向噪声敏感应用的跳脉冲模式或噪声不敏感应用中的突发工作模式(Burst Mode®)。可以使用可选的跳线电阻将两个输出并联，以实现单个50A输出解决方案。

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schematic 11
DC2481A-A

LTM4677/LTM4650演示板 | 具有数字PSM功能的降压μModule稳压器，LTM4677 + LTM4650，4.5V ≤ VIN ≤ 16V，VOUT = 0.5V至1.8V (86A)

立即购买 更多内容

产品详情

演示电路2481A-A是一款高效率、高密度、μModule®稳压器，具有4.5V至16V输入电压范围。输出电压可在0.5V至1.8V范围内调整，并可提供最大86A负载电流。该演示板具有1个LTM4677和1个LTM4650 μModule稳压器。LTM4677是一款具有PMBus电源系统管理功能的双通道18A或单通道36A降压型稳压器，而LTM4650是一款双通道25A或单通道50A降压稳压器。有关更多详细信息，请参见LTM4677和LTM4650数据手册。

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DC2481A-B

LTM4677/LTM4650演示板 | 具有数字PSM功能的降压μModule稳压器，LTM4677 + LTM4650(x3)，4.5V ≤ VIN ≤ 16V，VOUT = 0.5V至1.8V (186A)

立即购买 更多内容

产品详情

演示电路2481A-B是一款高效率、高密度、μModule®稳压器，具有4.5V至16V输入电压范围。输出电压可在0.5V至1.8V范围内调整，并可提供最大186A负载电流。该演示板具有1个LTM4677和3个LTM4650 μModule稳压器。LTM4677是一款具有PMBus电源系统管理功能的双通道18A或单通道36A降压型稳压器，而LTM4650是一款双通道25A或单通道50A降压稳压器。有关更多详细信息，请参见LTM4677和LTM4650数据手册。
DC2481B-A
LTM4677 和 LTM4650 演示板 | 具有 PMBus 电源系统管理功能的降压型 μModule 稳压器 LTM4677 + LTM4650，86A
DC2481B-A Image DC2481B-A Board
DC2479A-A
LTM4650EY演示板 | 双相降压型μModule稳压器，4.5V ≤ VIN ≤ 15V，VOUT = 0.6V至1.8V (50A)
DC2479A-A Demo Board DC2479A-A Demo Board DC2479A-A Demo Board DC2479A-A Demo Board
DC2378A-A
LTM4650演示板 | 双相降压型μModule稳压器，4.5V ≤ VIN ≤ 15V，VOUT = 0.6V至1.8V (50A)或双路25A
DC2378A-A Demo Board DC2378A-A Demo Board DC2378A-A Demo Board DC2378A-A Demo Board
DC2481A-A
LTM4677/LTM4650演示板 | 具有数字PSM功能的降压μModule稳压器，LTM4677 + LTM4650，4.5V ≤ VIN ≤ 16V，VOUT = 0.5V至1.8V (86A)
DC2481A-A - Demo Board Image
DC2481A-B
LTM4677/LTM4650演示板 | 具有数字PSM功能的降压μModule稳压器，LTM4677 + LTM4650(x3)，4.5V ≤ VIN ≤ 16V，VOUT = 0.5V至1.8V (186A)
DC2481A-B Demo Board DC2481A-B Demo Board DC2481A-B Demo Board DC2481A-B Demo Board

参考电路

Ultrascale+ 910
Ultrascale+ 910
HTG-910 BD Block Diagram
HTG-910 Power Tree Picture
HTG-910: Xilinx Virtex UltraScale+™ Low-Profile PCI Express Development Platform 参考设计

查看参考设计详情

特性和优点

The HTG-910 is low profile network card that provides access to eight lanes of PCI Express. It is populated with the Xilinx Zynq Virtex Ultrascale VU5P, VU9P, VU13P or Ultrascale VU190 FPGA. Analog Devices power solution on this platform is fully validated to meet the requirements of Xilinx Zynq Virtex Ultrascale FPGAs to ensure a robust power delivery solution.

DC/DC μModule regulators are used on the HTG-910 to power Xilinx FPGA and/or SoC rails as well as other system rails. These regulators are highly integrated solutions with built in controller, power FETs, inductors, and capacitors that simplify layout and provide robust power delivery performance.

We provide supporting documentation including power schematics, layout, LTpowerPlanner and applicable LTpowerPlay configuration files to enable you to validate the power solution for your application seamlessly.

Zynq UltraScale Board 922
Zynq UltraScale Board 922
ZYNQ UltraScale+ MPSOC
HTG-Z922 Xilinx ZYNQ® UltraScale+™ Actual Power Tree
HTG-Z922: Xilinx ZYNQ® UltraScale+™ MPSoC PCI Express Development Platform 参考设计

查看参考设计详情

特性和优点

The HTG-Z922 provides access to large FPGA gate densities, wide range of I/O and expandable DDR4 memory for variety of different programmable applications. It is populated with the Xilinx Zynq Ultrascale+ ZU17-2 or ZU19-2 FPGA. Analog Devices power solution on this platform is fully validated to meet the requirements of Xilinx Zynq Ultrascale+ FPGAs to ensure a robust power delivery solution.

DC/DC μModule regulators are used on the HTG-Z922 to power Xilinx FPGA and/or SoC rails as well as other system rails. These regulators are highly integrated solutions with built in controller, power FETs, inductors, and capacitors that simplify layout and provide robust power delivery performance.

We provide supporting documentation including power schematics, layout, LTpowerPlanner and applicable LTpowerPlay configuration files to enable you to validate the power solution for your application seamlessly.

Stratix 10 GX PCIE FPGA Development Kit
Stratix 10 GX PCIE FPGA Development Kit
Stratix 10 GX PCIE FPGA Development Kit Block Diagram
Stratix 10 GX PCIE FPGA Development Kit (Recommended Simplified Power Tree: 12Vin to required I/O voltages)
Stratix 10 GX PCIE FPGA Development Kit (Actual Power Tree representative of components used on board)
Intel Stratix 10 FPGA PCIe Development Kit 参考设计

查看参考设计详情

特性和优点

  • Analog Devices has worked closely with Intel PSG to develop verified power solutions that optimize cost, size and efficiency in high performance applications.
  • The validated power solutions include uModules power products that address time and space constraints while delivering high efficiency, reliability, and low noise.
  • The actual power tree represents the best solution at time of design.
  • A recommended power tree has also been included to present the ideal solution at time of Stratix 10 GX PCIe development kit release. An updated alternate version of the power tree represents the latest solutions available from Analog Devices. For many applications, an intermediate rail is not ideal, so recommendations an alternate power tree that allow for direct power conversion from 12V input is provided below.
Stratix 10 GX Signal Integrity Development Kit
Stratix 10 GX Signal Integrity Development Kit
Stratix 10 GX Signal Integrity Development Kit Block Diagram
Stratix 10 GX Signal Integrity Development Kit (Actual Power Tree representative of components used on board)
Stratix 10 GX Signal Integrity Development Kit (updated alternate Simplified Power Tree: 12Vin to required I/O voltages)
Stratix 10 GX Signal Integrity Development Kit 参考设计

查看参考设计详情

特性和优点

  • Analog Devices has worked closely with Intel PSG to develop verified power solutions that optimize cost, size and efficiency in high performance applications.
  • The validated power solutions include uModules power products that address time and space constraints while delivering high efficiency, reliability, and low noise.
  • The actual power tree represents the best solution at time of design.
  • A recommended power tree has also been included to present the ideal solution at time of Stratix 10 GX SI development kit release. An updated alternate version of the power tree represents the latest solutions available from Analog Devices. For many applications, an intermediate rail is not ideal, so recommendations for an alternate power tree that allows for direct power conversion from 12V input is provided below.
HTG-910: Xilinx Virtex UltraScale+™ Low-Profile PCI Express Development Platform
Ultrascale+ 910
HTG-910 BD Block Diagram
HTG-910 Power Tree Picture
HTG-Z922: Xilinx ZYNQ® UltraScale+™ MPSoC PCI Express Development Platform
Zynq UltraScale Board 922
ZYNQ UltraScale+ MPSOC
HTG-Z922 Xilinx ZYNQ® UltraScale+™ Actual Power Tree
Intel Stratix 10 FPGA PCIe Development Kit
Stratix 10 GX PCIE FPGA Development Kit
Stratix 10 GX PCIE FPGA Development Kit Block Diagram
Stratix 10 GX PCIE FPGA Development Kit (Recommended Simplified Power Tree: 12Vin to required I/O voltages)
Stratix 10 GX PCIE FPGA Development Kit (Actual Power Tree representative of components used on board)
Stratix 10 GX Signal Integrity Development Kit
Stratix 10 GX Signal Integrity Development Kit
Stratix 10 GX Signal Integrity Development Kit Block Diagram
Stratix 10 GX Signal Integrity Development Kit (Actual Power Tree representative of components used on board)
Stratix 10 GX Signal Integrity Development Kit (updated alternate Simplified Power Tree: 12Vin to required I/O voltages)

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