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电子保险丝和热插拔控制器

LM25066IA

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具有 I2C 和 PMBus 及更高监控精度的 2.9V 至 17V 热插拔控制器，带有 Intel 节点

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LM25066IA

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产品详情

FET External Vin (min) (V) 2.9 Vin (max) (V) 17 Vabsmax_cont (V) 24 Current limit (min) (A) 0.01 Current limit (max) (A) 500 Overcurrent response Circuit breaker, current limiting Fault response Auto-retry, Latch-off Soft start Adjustable Overvoltage response Cut-off Features Current monitoring, Fault output, PMBus, Power good signal Rating Catalog Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125 Function Adjustable current limit, Current monitoring, Inrush current control, Overvoltage protection, Power good signal, Short circuit protection, Thermal shutdown
FET External Vin (min) (V) 2.9 Vin (max) (V) 17 Vabsmax_cont (V) 24 Current limit (min) (A) 0.01 Current limit (max) (A) 500 Overcurrent response Circuit breaker, current limiting Fault response Auto-retry, Latch-off Soft start Adjustable Overvoltage response Cut-off Features Current monitoring, Fault output, PMBus, Power good signal Rating Catalog Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125 Function Adjustable current limit, Current monitoring, Inrush current control, Overvoltage protection, Power good signal, Short circuit protection, Thermal shutdown
WQFN (NHZ) 24 20 mm² 5 x 4
  • Fully Node Manager 2.0 and 2.5 Compliant with I2C/SMBus interface and PMBus™ compliant command structure
  • Input voltage range: 2.9V to 17V
  • Programmable 25mV or 46mV current limit threshold
  • Read_EIN accurately measures true input power via simultaneous sampling
  • Configurable circuit breaker protection for hard shorts
  • Configurable under- and over-voltage lockouts with hysteresis
  • Real time monitoring of VIN, VOUT, IIN, PIN, VAUX with 12-bit resolution and 1 kHz sampling rate
  • Current measurement accuracy: ±1% (LM25066IA) and Power measurement accuracy: ±2.0% (LM25066IA) over temperature
  • Averaging of VIN, IIN, PIN, and VOUT over programmable interval ranging from 0.001 to 4 seconds
  • Programmable WARN and FAULT thresholds with SMBA notification
  • Blackbox capture of telemetry measurements and device status triggered by WARN or FAULT condition
  • 24-lead WQFN package

All trademarks are the property of their respective owners.

  • Fully Node Manager 2.0 and 2.5 Compliant with I2C/SMBus interface and PMBus™ compliant command structure
  • Input voltage range: 2.9V to 17V
  • Programmable 25mV or 46mV current limit threshold
  • Read_EIN accurately measures true input power via simultaneous sampling
  • Configurable circuit breaker protection for hard shorts
  • Configurable under- and over-voltage lockouts with hysteresis
  • Real time monitoring of VIN, VOUT, IIN, PIN, VAUX with 12-bit resolution and 1 kHz sampling rate
  • Current measurement accuracy: ±1% (LM25066IA) and Power measurement accuracy: ±2.0% (LM25066IA) over temperature
  • Averaging of VIN, IIN, PIN, and VOUT over programmable interval ranging from 0.001 to 4 seconds
  • Programmable WARN and FAULT thresholds with SMBA notification
  • Blackbox capture of telemetry measurements and device status triggered by WARN or FAULT condition
  • 24-lead WQFN package

All trademarks are the property of their respective owners.

While the LM25066I/A is functionally similar to the LM25066/A, the LM25066I/A is fully compliant to Intel Node Manager 2.0, 2.5 and adds the READ_EIN energy accumulator feature. The LM25066I/A combines a high-performance hot-swap controller with a PMBus 1.2™ compliant SMBus/I2C interface to accurately measure, control and protect the electrical operating conditions of critical systems. The LM25066I/A continuously supplies real-time power, voltage, current, temperature, and fault data to the system management host via the SMBus interface.

The LM25066I/A control block includes a unique hot-swap architecture that provides current and power limiting to protect sensitive circuitry even during the most stressful conditions. A fast-acting circuit breaker prevents damage in the event of a short circuit on the output. The input under-voltage, over-voltage hysteresis, insertion delay time and fault detection time are all configurable. A temperature monitoring block on the LM25066I/A interfaces with a low-cost external diode for continuous temperature assessment of the external MOSFET or other thermal sensitive components. The POWER GOOD output provides a fast alert when the input and/or output voltages are outside their programmed range. Accurate power readings are accomplished by using the READ_EIN command. A black box (Telemetry/Fault Snapshot) function captures and stores telemetry data and device status in the event of a warning or a fault.

While the LM25066I/A is functionally similar to the LM25066/A, the LM25066I/A is fully compliant to Intel Node Manager 2.0, 2.5 and adds the READ_EIN energy accumulator feature. The LM25066I/A combines a high-performance hot-swap controller with a PMBus 1.2™ compliant SMBus/I2C interface to accurately measure, control and protect the electrical operating conditions of critical systems. The LM25066I/A continuously supplies real-time power, voltage, current, temperature, and fault data to the system management host via the SMBus interface.

The LM25066I/A control block includes a unique hot-swap architecture that provides current and power limiting to protect sensitive circuitry even during the most stressful conditions. A fast-acting circuit breaker prevents damage in the event of a short circuit on the output. The input under-voltage, over-voltage hysteresis, insertion delay time and fault detection time are all configurable. A temperature monitoring block on the LM25066I/A interfaces with a low-cost external diode for continuous temperature assessment of the external MOSFET or other thermal sensitive components. The POWER GOOD output provides a fast alert when the input and/or output voltages are outside their programmed range. Accurate power readings are accomplished by using the READ_EIN command. A black box (Telemetry/Fault Snapshot) function captures and stores telemetry data and device status in the event of a warning or a fault.
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技术文档

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类型 标题 下载最新的英语版本 日期
* 数据表 LM25066I/LM25066A Intel Node Mgr Compliant Sys Pwr Mgmt and Protectn IC 数据表 (Rev. C) 2013年 3月 6日
技术文章 Simplify digital hot swap design using the PI-Commander GUI PDF | HTML 2016年 6月 6日
应用手册 Handling System Transients in Hot Swap Applications 2015年 5月 8日
应用手册 Robust Hot Swap Design (Rev. A) 2015年 4月 8日

设计和开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

评估模块 (EVM) 用 GUI

SLVC572 — PI-Commander EVM GUI

lock = 需要出口许可（1 分钟）
支持的产品和硬件

支持的产品和硬件

产品
电子保险丝和热插拔控制器
LM25066 — 具有 PMBus 的 2.9V 至 17V 热插拔控制器 LM25066A — 具有 I2C 和 PMBus 及更高监控精度的 2.9V 至 17V 热插拔控制器 LM25066I — 具有 I2C 和 PMBus 的 2.9V 至 17V 热插拔控制器，带有 Intel 节点管理器 LM25066IA — 具有 I2C 和 PMBus 及更高监控精度的 2.9V 至 17V 热插拔控制器，带有 Intel 节点 LM5064 — 具有 PMBus 的 -10V 至 -80V 热插拔控制器 LM5066 — 具有电流、电压和功率监控功能及 PMBus 的 10V 至 80V 热插拔控制器 LM5066I — 具有更高电流、电压和功率监控精度的 10V 至 80V 热插拔控制器
电源设备
TPS23861 — 具有自主模式的 2 线对、2 类、4 通道 PoE PSE
硬件开发
评估板
LM5056EVM — LM5056 高电压系统电源管理 IC 评估模块 TPS23861EVM-612 — TPS23861EVM：TPS23861 四路 IEEE 802.3at 以太网供电 PSE 控制器评估模块
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支持软件

SNVU310 — LM25066 Design Calculator

支持的产品和硬件

支持的产品和硬件

产品
电子保险丝和热插拔控制器
LM25066 — 具有 PMBus 的 2.9V 至 17V 热插拔控制器 LM25066A — 具有 I2C 和 PMBus 及更高监控精度的 2.9V 至 17V 热插拔控制器 LM25066I — 具有 I2C 和 PMBus 的 2.9V 至 17V 热插拔控制器，带有 Intel 节点管理器 LM25066IA — 具有 I2C 和 PMBus 及更高监控精度的 2.9V 至 17V 热插拔控制器，带有 Intel 节点
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计算工具

SNVR505 — LM25066 Design Calculator With FET Recommendation

支持的产品和硬件

支持的产品和硬件

产品
电子保险丝和热插拔控制器
LM25066 — 具有 PMBus 的 2.9V 至 17V 热插拔控制器 LM25066A — 具有 I2C 和 PMBus 及更高监控精度的 2.9V 至 17V 热插拔控制器 LM25066I — 具有 I2C 和 PMBus 的 2.9V 至 17V 热插拔控制器，带有 Intel 节点管理器 LM25066IA — 具有 I2C 和 PMBus 及更高监控精度的 2.9V 至 17V 热插拔控制器，带有 Intel 节点
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计算工具

TVS-RECOMMENDATION-CALC — TVS diode recommendation tool

This tool suggests suitable TVS for given system parameters and abs max voltage rating of the device.
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支持的产品和硬件

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模拟工具

PSPICE-FOR-TI — 适用于 TI 设计和模拟工具的 PSpice®

PSpice® for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence® 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

借助 PSpice for TI 的设计和仿真环境及其内置的模型库，您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案，然后再进行布局和制造，可缩短产品上市时间并降低开发成本。

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参考设计

PMP11399 — 面向企业级以太网交换机的 PMBus 电源系统参考设计

PMP11399 是完整的 PMBus 电力系统，可以为 3 个 ASIC/FPGA 内核、DDR3 内核内存、VTT 终端供电，并为高性能以太网交换机提供辅助电压。硬件附带有 GUI，便于用户对电源执行实时配置和监控。
测试报告: PDF
原理图: PDF
封装 引脚 下载
WQFN (NHZ) 24 查看选项
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订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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