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MAX34406

MAX34406

Quad Current-Sense Amplifier with Overcurrent Threshold Comparators

Accurate Current Measurement with Automatic Overcurrent Shutdown for Four Supply Rails

Data Sheet
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Overview

Description

The MAX34406 is a quad, high-side, unidirectional, current-sense amplifier that offers precision accuracy. It provides analog outputs for each of the four amplifiers that can be routed to an external ADC, and contains four overcurrent comparators with a fixed 1.0V threshold. All four comparators are logically ORed, and the result can be delayed/filtered with an external capacitor before it is fed to a latched common shutdown open-drain output pin.

Key Features

  • Four Precision Current-Sense Amplifiers
  • Fixed Gains of 25V/V, 50V/V, 100V/V, and 200V/V
  • Less Than ±600µV of Input Offset
  • Less Than ±0.6% of Gain Error (T/F/H) or ±0.8% of Gain Error (W)
  • Wide 2.0V to 28V Common Mode Range
  • Analog Voltage Outputs for Each Amplifier
  • Independent Overcurrent Comparators with Fixed 1.0V Threshold
  • Low Power Consumption
  • -40°C to +85°C Temperature Range
  • Small 24-Pin TQFN (4mm x 4mm) Package

Applications/Uses

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

Parametric Specs

Part NumberOutput FormatCMVR
(V)		CMVR
(V)		VCC
(V)		VCC
(V)		ICC
(µA)		Bi-Dir. Curr. SenseVSENSE_FS
(mV)		VOS @25°C
(µV)		GainGain Accuracy @25°C
(%)		BW
(kHz)		Comp-
arators		ReferenceOper. Temp.
(°C)		Package/PinsBudgetary
Price
minmaxminmaxtyprecomm.maxmax@ -3dBSee Notes
MAX34406 Voltage2282.75.5100No
5
10
20
40
600
100 V/V
200 V/V
25 V/V
50 V/V
0.6
15
30
60
125
4Bandgap-40 to +85
TQFN/24
$1.62 @1k
See All Current Sense Amplifiers (51)
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


MAX34406EVKIT: Evaluation Kit for the MAX34406

Quality and Environmental Data

Product Reliability Reports: MAX34406.pdf 
Lead-Free Package Tin (Sn) Whisker Reports

CAD Symbols and Footprints

  • MAX34406FETG+
  • MAX34406FETG+T
  • MAX34406HETG+
  • MAX34406HETG+T
  • MAX34406HETG+TW
  • MAX34406TETG+
  • MAX34406TETG+T
  • MAX34406WETG+
  • MAX34406WETG+T
    •

    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 >

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    Related Resources

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    Reference Designs

    Type ID Title
    Evaluation Board7568MAX34406EVKIT Evaluation Kit for the MAX34406