MAX34446EVKIT#【PDF 1/36 页】KIT EVAL FOR MAX34446

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EVALUATION KIT AVAILABLE

MAX34446

PMBus Power-Supply Data Logger

General Description

The MAX34446 data logger for power supplies can

monitor voltages for overvoltage and undervoltage, as

well as for overcurrent conditions and overtemperature

conditions. The device constantly checks for user-

programmable thresholds; when these thresholds are

exceeded, the device logs the recent real-time operating

conditions in nonvolatile flash memory. The device can

monitor up to four voltages or currents, and can monitor

three temperature sensors. See the Typical Application

Circuit/Block Diagram for more details.

Applications

Base Stations

Industrial Controls

Network Switches/Routers

Servers

Smart Grid Network Systems

Ordering Information appears at end of data sheet.

Features

S Voltage, Current, and Temperature Measurement

and Threshold Excursion Detection

S Supports Up to Four Voltage or Current

Measurements

S Supports Up to Three Temperature Sensors: Two

Remote Diodes Plus an Internal Sensor

S Calculates Power Consumption

S Differential 12-Bit ADC

S PMBus?-Compliant Control Interface

S Power-Good Outputs

S Individual Fault Outputs

S On-Board Nonvolatile Fault Logging and Default

Configuration Setting

S I 2 C/SMBus-Compatible Serial Bus with Bus

Timeout Function

S No External Clocking Required

S 2.7V to 5.5V Supply Voltage

S Low Power Consumption

S -40 N C to +105 N C Temperature Range

S 40-Pin TQFN (6mm x 6mm) Package

Typical Application Circuit/Block Diagram appears at end

of data sheet.

PMBus is a trademark of SMIF, Inc.

For related parts and recommended products to use with this part, refer to: www.maximintegrated.com/MAX34446.related

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

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

19-5879; Rev 3; 10/13

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