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热插拔控制器

LM5066I

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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

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LM5066I

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产品详情

Vabsmax_cont (V) 100 Vin (max) (V) 80 Vin (min) (V) 10 Features Adjustable OVLO, Current monitoring, Fault output, Overvoltage protection, PMBus, Power good signal, Short circuit protection, adjustable UVLO Overcurrent response Circuit breaker, Current limiting Fault response Auto-retry, Latch-off Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.0056 Quiescent current (Iq) (max) (A) 0.007 Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125
Vabsmax_cont (V) 100 Vin (max) (V) 80 Vin (min) (V) 10 Features Adjustable OVLO, Current monitoring, Fault output, Overvoltage protection, PMBus, Power good signal, Short circuit protection, adjustable UVLO Overcurrent response Circuit breaker, Current limiting Fault response Auto-retry, Latch-off Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.0056 Quiescent current (Iq) (max) (A) 0.007 Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 28 62.08 mm² (9.7 mm × 6.4 mm)
  • 10- to 80-V Operation
  • 100-V Continuous Absolute Max
  • 26 mV or 50 mV ILIM Threshold (±10%)
  • Programmable FET SOA Protection
  • Programable UV, OV, tFAULT Thresholds
  • External FET Temperature Sensing
  • Failed FET Detection
  • I2C / SMBus Interface
  • PMBus and Node Manager 2.0 and 3.0 Compliant Command Structure
  • Precision V IN, VOUT, IIN, PIN, VAUX Monitoring
    • V (±1.25%); I (±1.75%); P (±2.5%)
  • Supports Energy Monitoring via Read_EIN Command
  • Programable I/V/P Averaging Interval
  • 12-bit ADC with 1-kHz Sampling Rate
  • –40°C < TJ < 125°C Operation
  • 10- to 80-V Operation
  • 100-V Continuous Absolute Max
  • 26 mV or 50 mV ILIM Threshold (±10%)
  • Programmable FET SOA Protection
  • Programable UV, OV, tFAULT Thresholds
  • External FET Temperature Sensing
  • Failed FET Detection
  • I2C / SMBus Interface
  • PMBus and Node Manager 2.0 and 3.0 Compliant Command Structure
  • Precision V IN, VOUT, IIN, PIN, VAUX Monitoring
    • V (±1.25%); I (±1.75%); P (±2.5%)
  • Supports Energy Monitoring via Read_EIN Command
  • Programable I/V/P Averaging Interval
  • 12-bit ADC with 1-kHz Sampling Rate
  • –40°C < TJ < 125°C Operation

LM5066I provides robust protection and precision monitoring for 10- to 80-V systems. Programmable UV, OV, ILIMIT, and fast-short circuit protection allow for customized protection for any application. Programmable FET SOA protection sets the maximum power the FET is allowed to dissipate under any condition. The programmable fault timer (tFAULT) is set to avoid nuisance trips, ensure start-up, and limit the duration of over load events.

In addition to circuit protection, the LM5066I supplies real-time power, voltage, current, temperature, and fault data to the system management host through the I2C / SMBus interface. PMBus compliant command structure makes it easy to program the device. Precision telemetry enables intelligent power management functions such as efficiency optimization and early fault detection. LM5066I also supports advanced features such as I/V/P averaging and peak power measurment to improve system diagnostics.

LM5066I is pin-to-pin compatible with the LM5066 and offers improved telemetry accuracy and supports the Read_Ein command to monitor energy. See for a detailed comparison.

LM5066I provides robust protection and precision monitoring for 10- to 80-V systems. Programmable UV, OV, ILIMIT, and fast-short circuit protection allow for customized protection for any application. Programmable FET SOA protection sets the maximum power the FET is allowed to dissipate under any condition. The programmable fault timer (tFAULT) is set to avoid nuisance trips, ensure start-up, and limit the duration of over load events.

In addition to circuit protection, the LM5066I supplies real-time power, voltage, current, temperature, and fault data to the system management host through the I2C / SMBus interface. PMBus compliant command structure makes it easy to program the device. Precision telemetry enables intelligent power management functions such as efficiency optimization and early fault detection. LM5066I also supports advanced features such as I/V/P averaging and peak power measurment to improve system diagnostics.

LM5066I is pin-to-pin compatible with the LM5066 and offers improved telemetry accuracy and supports the Read_Ein command to monitor energy. See for a detailed comparison.
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LM5066 正在供货 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 Hot swap controller with current, voltage and power monitoring and PMBus

技术文档

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 LM5066I 10 to 80 V, Hotswap Controller With I/V/P Monitoring and PMBus Interface 数据表 (Rev. C) PDF | HTML 2016-7-20
模拟设计期刊 Analog Design Journal - Issue 1, 2025 PDF | HTML 2025-6-27
模拟设计期刊 优化电能计量中隔离式电流检测的信号链 成本和精度 PDF | HTML 英语版 PDF | HTML 2025-5-23
模拟设计期刊 使用热插拔控制器应对 48V AI 服务器的 保护挑战 PDF | HTML 英语版 PDF | HTML 2025-5-23
模拟设计期刊 电源开关瞬态保护设计，实现稳健可靠的 电源路径保护 PDF | HTML 英语版 PDF | HTML 2025-5-5
应用手册 使用 TPS25984、TPS25985 或 TPS25990 电子保险丝实现 PSYS 监控器 PDF | HTML 英语版 PDF | HTML 2023-11-16
电子书 11 Ways to Protect Your Power Path 2019-7-3
应用手册 Minimizing System Down-time with Smart eFuses 2019-6-12
技术文章 Simplify digital hot swap design using the PI-Commander GUI PDF | HTML 2016-6-6
应用手册 Handling System Transients in Hot Swap Applications 2015-5-8
应用手册 Robust Hot Swap Design (Rev. A) 2015-4-8

设计与开发

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）。

评估板

LM5066IEVM-626 — 具有 PMBus 的 LM5066IEVM-626 评估模块

LM5066IEVM-626 评估模块 (EVM) 是一个组装完备且经过测试的电路，用于评估 LM5066I 热插拔控制器。该控制器具有符合 PMBUS 协议的 SMBUS/I2C 接口，可准确测量和控制连接至背板电源总线的系统的电气工作条件并提供保护。该 EVM 包含接头连接器，可轻松连接外部测试和应用电路。

用户指南: PDF
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驱动程序或库

SLVC576 — LGPL Library Source Used by PI-Commander

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评估模块 (EVM) 用 GUI

SLVC572 — PI-Commander EVM GUI

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仿真模型

LM5066I Unencrypted PSpice Transient Model Package (Rev. A)

SNVM587A.ZIP (127 KB) - PSpice 模型
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计算工具

SLVC577 — LM5066I Design Calculator

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计算工具

SNVR507 — LM5066I Design Calculator With FET Recommendation

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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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参考设计

PMP23496 — 适用于 48V 人工智能服务器的 8kW 热插拔参考设计

随着人工智能 (AI) 和机器学习 (ML) 的进步，企业服务器已发展为能耗密集型服务器，因为这些服务器同时处理大量数据和存储。每个服务器主板的稳态额定功率高达 5kW 至 6kW，而通用服务器的额定功率为 1kW 至 2kW。但是，外形尺寸保持不变，因此随着功率密度的增加，系统设计面临着诸多挑战。与通用服务器相比，AI 服务器上瞬态负载的负载幅度、压摆率和频率增加了三到四倍。基于这些要求，此参考设计在开发时采用 LM5066I 热插拔控制器，可在标称输入电压为 54V 的高功率服务器背板系统中提供稳健可靠的输入电源路径保护设计。

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封装 引脚 CAD 符号、封装和 3D 模型
HTSSOP (PWP) 28 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

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