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MAX34446

PMBus Power-Supply Data Logger

Detects and Records Out-of-Range Power-Supply Conditions to Determine Failure or Misuse

Data Sheet

Please check latest availability status for a specific part variant.

Overview

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 userprogrammable 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.

MAX34446: Typical Application Circuit/Block Diagram

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Key Features

Voltage, Current, and Temperature Measurement and Threshold Excursion Detection
Supports Up to Four Voltage or Current Measurements
Supports Up to Three Temperature Sensors: Two Remote Diodes Plus an Internal Sensor
Calculates Power Consumption
Differential 12-Bit ADC
PMBus™-Compliant Control Interface
Power-Good Outputs
Individual Fault Outputs
On-Board Nonvolatile Fault Logging and Default Configuration Setting
I²C/SMBus-Compatible Serial Bus with Bus Timeout Function
No External Clocking Required
2.7V to 5.5V Supply Voltage
Low Power Consumption
-40°C to +105°C Temperature Range
40-Pin TQFN (6mm x 6mm) Package

Applications/Uses

Base Stations
Industrial Controls
Network Switches/Routers
Servers
Smart Grid Network Systems

Key Specs

Part Number

Option

Interface

Input Chan.

V_IN
(V)

Oper. Temp.
(°C)

Package/Pins

Budgetary
Price

max

See Notes

MAX34446

Monitor

I²C/SMBus

PMBus™

5.5

-40 to +85

TQFN/40

$2.98 @1k

See All Power-Supply Sequencers and Voltage Trackers (52)

Pricing Notes:

This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Design Resources

Technical Documents

Tutorial 5133 Power-Supply Solutions for Altera FPGAs
Tutorial 5132 Power-Supply Solutions for Xilinx FPGAs

Quality and Environmental Data

Product Reliability Reports: MAX34446.pdf
Lead-Free Package Tin (Sn) Whisker Reports

Quality And Environmental

Device	Fab Process	Technology	Sample size	Rejects	FIT at 25°C	FIT at 55°C

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

Quality Management System >
Environmental Management System >