MAX4173EVKIT+ Maxim Integrated Products, MAX4173EVKIT+ Datasheet

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MAX4173EVKIT+

Manufacturer Part Number
MAX4173EVKIT+
Description
EVALUATION KIT FOR MAX4173
Manufacturer
Maxim Integrated Products
Datasheets
1.MAX4173EVKIT.pdf (10 pages)
2.MAX4173EVKIT.pdf (4 pages)

Specifications of MAX4173EVKIT+

Channels Per Ic
1 - Single
Amplifier Type
Current Sense
Output Type
Single-Ended
-3db Bandwidth
1.7MHz
Operating Temperature
-40°C ~ 85°C
Current - Supply (main Ic)
420µA
Voltage - Supply, Single/dual (±)
3 V ~ 28 V
Board Type
Fully Populated
Utilized Ic / Part
MAX4173
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output / Channel
-
Slew Rate
-
The MAX4173 low-cost, precision, high-side current-
sense amplifier is available in a tiny SOT23-6 package.
It features a voltage output that eliminates the need for
gain-setting resistors and it is ideal for today’s notebook
computers, cell phones, and other systems where cur-
rent monitoring is critical. High-side current monitoring
is especially useful in battery-powered systems, since it
does not interfere with the ground path of the battery
charger. The input common-mode range of 0 to +28V is
independent of the supply voltage and ensures that the
current-sense feedback remains viable even when con-
nected to a battery in deep discharge. The MAX4173’s
wide 1.7MHz bandwidth makes it suitable for use inside
battery charger control loops.
The combination of three gain versions and a user-
selectable external sense resistor sets the full-scale
current reading. This feature offers a high level of inte-
gration, resulting in a simple and compact current-
sense solution.
The MAX4173 operates from a single +3V to +28V sup-
ply, typically draws only 420µA of supply current over
the extended operating temperature range (-40°C to
+85°C), and is offered in the space-saving SOT23
package.
19-1434; Rev 4; 6/10
+ Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
Pin Configurations appear at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
MAX4173TEUT+T
MAX4173TESA+
MAX4173FEUT+T
MAX4173FESA+
MAX4173HEUT+T
MAX4173HESA+
Notebook Computers
Portable/Battery-Powered Systems
Smart Battery Packs/Chargers
Cell Phones
Power-Management Systems
General System/Board-Level Current Monitoring
PA Bias Control
Precision Current Sources
PART
________________________________________________________________ Maxim Integrated Products
General Description
GAIN (V/V)
Low-Cost, SOT23, Voltage-Output,
High-Side Current-Sense Amplifier
Applications
100
100
20
20
50
50
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
o Low-Cost, Compact Current-Sense Solution
o High Accuracy +2V to +28V Common-Mode
o Three Gain Versions Available
o ±0.5% Full-Scale Accuracy
o ±3mV Input Offset Voltage (MAX4173T)
o Wide 1.7MHz Bandwidth (MAX4173T)
o 420µA Supply Current
o Available in Space-Saving SOT23 Package
Range, Functional Down to 0V, Independent of
Supply Voltage
+20V/V (MAX4173T)
+50V/V (MAX4173F)
+100V/V (MAX4173H)
CONVERTER
+3V TO +28V
0 TO +28V
A/D
0.1μF
Typical Operating Circuit
6 SOT23
8 SO
6 SOT23
8 SO
6 SOT23
8 SO
PIN-PACKAGE
OUT
RS+
V
Ordering Information
CC
MAX4173T/F/H
R
V
SENSE
GND
SENSE
RS-
I
LOAD
SOT TOP MARK
BATTERY
LOAD/
Features
AABN
AABO
AABP
—
—
—
1

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MAX4173EVKIT+ Summary of contents

Page 1

... MAX4173HESA+ + Denotes a lead(Pb)-free/RoHS-compliant package Tape and reel. Pin Configurations appear at end of data sheet. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. o Low-Cost, Compact Current-Sense Solution o High Accuracy +2V to +28V Common-Mode ...

Page 2

Low-Cost, SOT23, Voltage-Output, High-Side Current-Sense Amplifier ABSOLUTE MAXIMUM RATINGS V , RS+, RS- to GND .......................................... -0.3V to +30V CC OUT to GND .............................................. -0. Output Short-Circuit GND ......................... Continuous CC Differential Input Voltage (V ...

Page 3

Low-Cost, SOT23, Voltage-Output, High-Side Current-Sense Amplifier ELECTRICAL CHARACTERISTICS (continued +28V +3V to +28V +25°C.) (Note 1) A PARAMETER SYMBOL Bandwidth BW Gain A V ΔA V Gain Accuracy ΔA ...

Page 4

Low-Cost, SOT23, Voltage-Output, High-Side Current-Sense Amplifier (V = +12V +12V +100mV RS+ SENSE SUPPLY CURRENT vs. SUPPLY VOLTAGE 440 MAX4173T 430 420 MAX4173H 410 400 MAX4173F 390 380 370 ...

Page 5

Low-Cost, SOT23, Voltage-Output, High-Side Current-Sense Amplifier (V = +12V +12V +100mV RS+ SENSE TOTAL OUTPUT ERROR vs. TEMPERATURE 2.0 1.5 1.0 MAX4173H MAX4173T 0.5 0 -0.5 MAX4173F -1.0 -1.5 -2.0 -50 -35 -20 -5 ...

Page 6

Low-Cost, SOT23, Voltage-Output, High-Side Current-Sense Amplifier (V = +12V +12V +100mV RS+ SENSE MAX4173H SMALL-SIGNAL TRANSIENT RESPONSE (V = 95mV to 100mV) SENSE C = 5pF L IN (5mV/div) OUT (200mV/div) 2μs/div PIN NAME ...

Page 7

Low-Cost, SOT23, Voltage-Output, High-Side Current-Sense Amplifier Detailed Description The MAX4173 high-side current-sense amplifier fea- tures +28V input common-mode range that is independent of supply voltage. This feature allows the monitoring of current out of a battery in ...

Page 8

Low-Cost, SOT23, Voltage-Output, High-Side Current-Sense Amplifier Table 1. Recommended Component Values FULL-SCALE LOAD CURRENT I (A) LOAD 0 INPUT R SENSE 0.3 in. COPPER 0.1 in. COPPER SENSE RS+ RS MAX4173T OUT ...

Page 9

Low-Cost, SOT23, Voltage-Output, High-Side Current-Sense Amplifier TOP VIEW + GND 1 MAX4173 GND SOT23 Chip Information TRANSISTOR COUNT: 187 _______________________________________________________________________________________ 6 OUT 5 RS- GND 4 RS+ For the latest package outline information and land patterns, ...

Page 10

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2010 Maxim Integrated Products DESCRIPTION Maxim is a registered trademark of Maxim Integrated Products, Inc ...

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