Datasheet > MAX34440

MAX34440

更新时间： 2024-09-13 14:57:27

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
43页	1003K
描述
PMBus 6通道电源管理器

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MAX34440 数据手册

EVALUATION KIT AVAILABLE

MAX34440

PMBus 6-Channel Power-Supply Manager

General Description

Features

S 6 Channels of Power-Supply Management

The MAX34440 is a complex system monitor that can

manage up to six power supplies. The power-supply

manager monitors the power-supply output voltage and

constantly checks for user-programmable overvoltage

and undervoltage thresholds. It can also margin the

power-supply output voltage up or down to a user-

programmable level. The margining is performed in a

closed-loop arrangement whereby the device automati-

cally adjusts a pulse-width-modulated (PWM) output and

then measures the resultant output voltage. The power-

supply manager can also sequence the supplies in any

order at both power-up and power-down. With the addi-

tion of an external current-sense amplifier, the device

can also monitor currents.

Voltage Measurement/Monitoring

Differential 12-Bit 1% Accurate ADC

Min/Max Threshold Excursion Detection

Supports Current Monitoring with External

Current-Sense Amplifier

Automatic Closed-Loop Margining

Programmable Up and Down Sequencing

Power-Good Output

S Supports Up to Eight Temperature Sensors

Two Remote Diode Temperature Sensors

Five Local Temperature Sensors

One Internal Temperature Sensor

Fault Detection on All Temp Sensors

S PMBus™-Compliant Command Interface

Applications

Network Switches/Routers

Base Stations

S I C/SMBus-Compatible Serial Bus with Bus

Timeout Function

S On-Board Nonvolatile Fault Logging and Default

Servers

Configuration Setting

Smart Grid Network Systems

Industrial Controls

S No External Clocking Required

S +3.3V Supply Voltage

Ordering Information

PIN-

PACKAGE

PART

FIRMWARE

MAX34440ETL+

MAX34440ETL+T

MAX34440ETLA1+

MAX34440ETLA1+T

40 TQFN-EP*

Note: All devices operate over the -40°C to +85°C tempera-

ture range.

+Denotes a lead(Pb)-free/RoHS-compliant package.

T = Tape and reel.

*EP = Exposed pad.

PMBus is a trademark of SMIF, Inc.

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about device errata, go to: www.maximintegrated.com/errata.

For pricing, delivery, and ordering information, please contact Maxim Direct

at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.

19-5527; Rev 4; 11/15

12 3 4 5 6 7...43

中文翻译

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与MAX34440相关器件

型号	品牌	获取价格	描述	数据表
MAX34440_12	MAXIM	获取价格	PMBus 6-Channel Power-Supply Manager
MAX34440ETL	MAXIM	获取价格	PMBus 6-Channel Power-Supply Manager
MAX34440ETL T	MAXIM	获取价格	PMBus 6-Channel Power-Supply Manager
MAX34440ETL+	MAXIM	获取价格	PMBus 6-Channel Power-Supply Manager
MAX34440ETL+T	MAXIM	获取价格	PMBus 6-Channel Power-Supply Manager
MAX34440ETLA1+	MAXIM	获取价格	Power Supply Management Circuit,
MAX34441	MAXIM	获取价格	PMBus 5-Channel Power-Supply Manager and Intelligent Fan Controller
MAX34441ETL+	MAXIM	获取价格	PMBus 5-Channel Power-Supply Manager and Intelligent Fan Controller
MAX34441ETL+T	MAXIM	获取价格	PMBus 5-Channel Power-Supply Manager and Intelligent Fan Controller
MAX34446	MAXIM	获取价格	PMBus Power-Supply Data Logger Calculates Power Consumption

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