Datasheet > LM25066IPSQX/NOPB

LM25066IPSQX/NOPB

更新时间： 2024-11-16 11:13:27

品牌	Logo	应用领域
德州仪器 - TI		控制器
页数	文件大小	规格书
59页	929K
描述
具有 I2C 和 PMBus 的 2.9V 至 17V 热插拔控制器，带有 Intel 节点管理器 \| NHZ \| 24 \| -40 to 125

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LM25066I, LM25066IA

www.ti.com

SNVS824C –JUNE 2012–REVISED MARCH 2013

Intel Node Manager Compliant System Power Management and Protection IC with PMBus

Check for Samples: LM25066I, LM25066IA

FEATURES

DESCRIPTION

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.

•

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

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

Configurable under- and over-voltage lockouts

with hysteresis

Real time monitoring of V_IN, V_OUT, I_IN, P_IN, V_AUX

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 V_IN, I_IN, P_IN, and V_OUTover

programmable interval ranging from 0.001 to 4

seconds

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

•

Programmable WARN and FAULT thresholds

with SMBA notification

Blackbox capture of telemetry measurements

and device status triggered by WARN or

FAULT condition

the

READ_EIN

command.

black

box

(Telemetry/Fault Snapshot) function captures and

stores telemetry data and device status in the event

of a warning or a fault.

•

24-lead WQFN package

APPLICATIONS

•

Server backplane systems

Basestation power distribution systems

Solid state circuit breaker (eFuse)

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...59

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与LM25066IPSQX/NOPB相关器件

型号	品牌	获取价格	描述	数据表
LM25066PSQ/NOPB	TI	获取价格	具有 PMBus 的 2.9V 至 17V 热插拔控制器 \| NHZ \| 24 \| -40
LM25066PSQE/NOPB	TI	获取价格	2.9-V to 17-V hot swap controller with PMBus 24-WQFN -40 to 125
LM25066PSQX/NOPB	TI	获取价格	具有 PMBus 的 2.9V 至 17V 热插拔控制器 \| NHZ \| 24 \| -40
LM25069	NSC	获取价格	Positive Low Voltage Power Limiting Hot Swap Controller
LM25069	TI	获取价格	具有功率限制和电源正常指示功能的 2.9V 至 17V 热插拔控制器
LM25069PMM-1	NSC	获取价格	Positive Low Voltage Power Limiting Hot Swap Controller
LM25069PMM-1/NOPB	TI	获取价格	具有功率限制和电源正常指示功能的 2.9V 至 17V 热插拔控制器 \| DGS \| 10
LM25069PMM-2	NSC	获取价格	Positive Low Voltage Power Limiting Hot Swap Controller
LM25069PMM-2/NOPB	TI	获取价格	具有功率限制和电源正常指示功能的 2.9V 至 17V 热插拔控制器 \| DGS \| 10
LM25069PMME-1	NSC	获取价格	Positive Low Voltage Power Limiting Hot Swap Controller

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