LTC3882

推荐新设计使用

具有数字电源系统管理功能的双输出 PolyPhase 降压型 DC/DC 电压模式控制器

数据手册 (Rev. C) 产品选型表
产品模型
9
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

  • PMBus/I2C兼容串行接口
    • 监控电压、电流、温度和故障
    • 数字可编程电压、限流、软启停、时序控制、裕量调节、AVP和UV/OV阈值
  • 3V ≤ VINSNS ≤ 38V，0.5V ≤ VOUT ≤ 5.25V
  • 输出电压精度：±0.5%
  • 可编程PWM频率或外部时钟同步频率范围为250kHz至1.25MHz
  • 精确PolyPhase®均流
  • 具有故障记录和ECC功能的内部EEPROM
  • IC电源范围：3V至13.2V
  • 电阻或电感DCR电流检测
  • 对关键参数进行可选电阻编程
  • 40引脚(6mm × 6mm) QFN封装
  • 通过 AEC-Q100 汽车应用认证
LTC3882
具有数字电源系统管理功能的双输出 PolyPhase 降压型 DC/DC 电压模式控制器
Efficiency and Power Loss vs Load Current 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

应用笔记 7

技术文章 4

信息 1

规范通知 1

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软件资源

器件驱动器 1

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
LTC2974
推荐新设计使用 具有精确输出电流的4通道PMBus电源系统管理器
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工具及仿真模型

LTspice 1

LTspice中提供以下器件型号：

  • LTC3882
  • LTC3882-1

Linduino 3

LTpowerCAD 1

IBIS 模型 1

LTpowerPlay®

LTpowerPlay®是一款功能强大且基于Windows的开发环境，支持凌力尔特的数字电源系统管理(PSM)产品。

打开工具
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
DC1936A

LTC3882EUJ Demo Board | Dual Buck Voltage Mode Controller with PSM, 7V ≤ VIN ≤ 14V; 0.8V ≤ VOUT0 ≤ 1.8V @ 30A, 0.8V ≤ VOUT1 ≤ 1.8V @ 30A

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产品详情

Demonstration circuit 1936A is a high current, high efficiency, polyphase synchronous buck converter featuring the LTC3882EUJ, a dual output polyphase voltage mode controller. The LTC3882 has the PMBus interface and power system management functions.


The DC1936A uses 6mm × 6mm DrMOS as the power stage. The input range of this board is from 7V to 14V, and the output voltage can be programmed from 0.8V to 1.8V. The DC1936A provides two outputs, with each output capable of 1V/30A. The DC1936A has optional discrete driver (LTC4449EDCB) and MOSFET footprints for high input voltage applications up to 38V. The DC1936A also has an on-board dynamic load circuit, which makes it easy for the customer to evaluate the transient performances.



eval board
schematic 2
DC2291A

LTC3882EUJ Demo Board │LTC3882 (x2) 4-Phase PMBus Buck , 7V ≤ VIN ≤ 14V; 0.5V ≤ VOUT ≤ 2V @ 140A

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产品详情

Demonstration circuit 2291A is a high current, high efficiency, PolyPhase® synchronous buck converter featuring the LTC3882EUJ, a dual output voltage mode controller. This demo board incorporates two LTC3882 controllers which provide four phases to deliver up to 140A. The default output voltage is 1V and can be adjusted from 0.5V to 2V. The LTC3882 has the PMBus interface and digital power system management functions.

eval board
schematic 3
schematic 4
schematic 5
schematic 6
DC2174A-B

LTC3882EUJ演示板 | 双相单路输出PMBus降压器件，7V ≤ VIN ≤ 14V；0.5V ≤ VOUT0 ≤ 2V (70A)

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产品详情

演示电路2174A-B是一款高电流、高效率、双相单路输出同步降压转换器，内置双路输出电压模式控制器LTC3882EUJ。DC2174A-B采用7V至14V输入电压工作，且配置为70A时提供1V输出。输出电压调整范围为0.5V至2V。LTC3882具有PMBus接口和电源系统管理功能。


 


eval board
schematic 7
DC2252A-A

LTC3882EUJ Demo Board | EEPROM Programming Board for LTC3882

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产品详情

Demonstration circuit 2252A-A is a lab tool to program and verify the EEPROM inside the LTC3882 IC. The DC2252A-A is shipped with a LTC3882 placed in the clamshell style programming socket. The EEPROM contains the factory default configuration. The demo system also requires a Windows PC, the DC1613A USB-to-I2C/SMBus/PMBus Controller and the LTpowerPlay software. The LTpowerPlay™ .proj file that corresponds to the factory default can be found in the GUI.

eval board
schematic 8
DC2174A-A

LTC3882EUJ Demo Board | 7V ≤ VIN ≤ 14V; 0.5V ≤ VOUT0 ≤ 2V @ 35A, 0.5V ≤ VOUT1 ≤ 2V @ 35A

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产品详情

Demonstration circuit 2174A-A is a high current, high efficiency, dual-phase dual-output synchronous buck converter featuring the LTC3882EUJ, a dual output voltage mode controller. The DC2174A-A operates with a 7V to 14V input voltage and is configured for 1.5V at 35A and 1V at 35A. The output voltage adjustment range is 0.5V to 2V. The LTC3882 has the PMBus interface and power system management functions.


 
DC1936A
LTC3882EUJ Demo Board | Dual Buck Voltage Mode Controller with PSM, 7V ≤ VIN ≤ 14V; 0.8V ≤ VOUT0 ≤ 1.8V @ 30A, 0.8V ≤ VOUT1 ≤ 1.8V @ 30A
DC1936A - Schematic
DC2291A
LTC3882EUJ Demo Board │LTC3882 (x2) 4-Phase PMBus Buck , 7V ≤ VIN ≤ 14V; 0.5V ≤ VOUT ≤ 2V @ 140A
DC2291A - Schematic
DC2174A-B
LTC3882EUJ演示板 | 双相单路输出PMBus降压器件，7V ≤ VIN ≤ 14V；0.5V ≤ VOUT0 ≤ 2V (70A)
DC2174A-B Evaluation Board DC2174A-B Evaluation Board - Top View DC2174A-B Evaluation Board - Bottom View DC2174A - Schematic
DC2252A-A
LTC3882EUJ Demo Board | EEPROM Programming Board for LTC3882
DC2252A - Schematic
DC2174A-A
LTC3882EUJ Demo Board | 7V ≤ VIN ≤ 14V; 0.5V ≤ VOUT0 ≤ 2V @ 35A, 0.5V ≤ VOUT1 ≤ 2V @ 35A
DC2174A - Schematic

参考电路

QorIQ LS1088A-RDB Dev Kit
QorIQ LS1088A-RDB Dev Kit
Qor IQ LS1088-RDB Power Tree
NXP (Freescale) QorIQ LS1088A-RDB 参考设计

查看参考设计详情

特性和优点

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
NXP (Freescale) QorIQ LS1088A-RDB
QorIQ LS1088A-RDB Dev Kit
Qor IQ LS1088-RDB Power Tree

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