MAX4372TEBT+T Maxim Integrated Products, MAX4372TEBT+T Datasheet

MAX4372TEBT+T

Manufacturer Part Number

MAX4372TEBT+T

Description

IC AMP CURRENT SENSE 5-UCSP

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX4372HEUKT.pdf (11 pages)

Specifications of MAX4372TEBT+T

Amplifier Type

Current Sense

Number Of Circuits

-3db Bandwidth

275kHz

Current - Input Bias

2µA

Voltage - Input Offset

300µV

Current - Supply

30µA

Voltage - Supply, Single/dual (±)

2.7 V ~ 28 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

5-UCSP®

Number Of Channels

Single

Common Mode Rejection Ratio (min)

85 dB

Available Set Gain

26.02 dB

Input Voltage Range (max)

28 V

Input Offset Voltage

1.3 mV

Operating Supply Voltage

28 V

Supply Current

0.03 mA

Maximum Power Dissipation

273.2 mW

Maximum Operating Temperature

+ 85 C

Minimum Operating Temperature

- 40 C

Mounting Style

SMD/SMT

Supply Voltage (max)

28 V

Supply Voltage (min)

2.7 V

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Output Type

Current - Output / Channel

Slew Rate

Gain Bandwidth Product

Lead Free Status / Rohs Status

Details

Other names

MAX4372TEBT+T
MAX4372TEBT+TTR

Current page: 1 of 11
Download datasheet (221Kb)

The MAX4372 low-cost, precision, high-side current-

sense amplifier is available in a tiny, space-saving

SOT23-5-pin package. Offered in three gain versions

(T = 20V/V, F = 50V/V, and H = 100V/V), this device

operates from a single 2.7V to 28V supply and con-

sumes only 30µA. It features a voltage output that elimi-

nates the need for gain-setting resistors and is ideal for

today’s notebook computers, cell phones, and other

systems where battery/DC current monitoring is critical.

High-side current monitoring is especially useful in bat-

tery-powered systems since it does not interfere with

the ground path of the battery charger. The input com-

mon-mode range of 0 to 28V is independent of the sup-

ply voltage and ensures that the current-sense

feedback remains viable even when connected to a

2-cell battery pack in deep discharge.

The user can set the full-scale current reading by

choosing the device (T, F, or H) with the desired volt-

age gain and selecting the appropriate external sense

resistor. This capability offers a high level of integration

and flexibility, resulting in a simple and compact cur-

rent-sense solution. For higher bandwidth applications,

refer to the MAX4173T/F/H data sheet.

19-1548; Rev 4; 7/09

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

Pin Configurations continued at end of datasheet.

GND

OUT

Low-Cost, UCSP/SOT23, Micropower, High-Side

Power-Management Systems

General-System/Board-Level Current Monitoring

Notebook Computers

Portable/Battery-Powered Systems

Smart-Battery Packs/Chargers

Cell Phones

Precision-Current Sources

TOP VIEW

MAX4372T/F/H

Current-Sense Amplifier with Voltage Output

SOT23-5

________________________________________________________________ Maxim Integrated Products

RS-

RS+

General Description

Pin Configurations

RS+

(BUMPS ON BOTTOM)

MAX4372T/F/H

Applications

TOP VIEW

UCSP

GND

OUT

RS-

o Low-Cost, Compact Current-Sense Solution

o 30µA Supply Current

o 2.7V to 28V Operating Supply

o 0.18% Full-Scale Accuracy

o 0.3mV Input Offset Voltage

o Low 1.5Ω Output Impedance

o Three Gain Versions Available

o High Accuracy +2V to +28V Common-Mode

o Available in a Space-Saving 5-Pin SOT23 Package

Note: Gain values are as follows: 20V/V for the T version, 50V/V

for the F version, and 100V/V for the H version.

Ordering Information continued at end of datasheet.

UCSP is a trademark of Maxim Integrated Products, Inc.

MAX4372TEUK-T

MAX4372TESA

MAX4372TEBT-T

Range, Functional Down to 0V, Independent of

Supply Voltage

and 3 x 2 UCSP™ (1mm x 1.5mm) Package

+2.7V TO +28V

CONVERTER

20V/V (MAX4372T)

50V/V (MAX4372F)

100V/V (MAX4372H)

PART

A/D

0.1μF

Typical Operating Circuit

GND

OUT

-40°C to +85°C

-40°C to +85°C 3 x 2 UCSP

TEMP RANGE PIN-PACKAGE

MAX4372T/F/H

Ordering Information

RS+

RS-

SENSE

5 SOT23-5

8 SO

0 TO 28V

SENSE

LOAD

Features

BATTERY

LOAD/

MARK

ADIU

TOP

ACX

—

Related parts for MAX4372TEBT+T

MAX4372TEBT+T Summary of contents

Page 1

... A/D CONVERTER GND OUT MAX4372T/F/H V +2.7V TO +28V RS- 0.1μF UCSP UCSP is a trademark of Maxim Integrated Products, Inc. Features Ordering Information Ordering Information TEMP RANGE PIN-PACKAGE TEMP RANGE PIN-PACKAGE -40°C to +85°C 5 SOT23-5 -40°C to +85°C 5 SOT23-5 -40°C to +85° -40°C to +85° -40° ...

Page 2

Low-Cost, UCSP/SOT23, Micropower, High-Side Current-Sense Amplifier with Voltage Output ABSOLUTE MAXIMUM RATINGS V , RS+, RS- to GND ...........................................-0.3V to +30V CC OUT to GND ...........................................................-0.3V to +15V Differential Input Voltage ( ..............................±0.3V RS+ RS- Current into ...

Page 3

Low-Cost, UCSP/SOT23, Micropower, High-Side Current-Sense Amplifier with Voltage Output ELECTRICAL CHARACTERISTICS (continued 28V 2.7V to 28V +25°C.) (Note 1) A PARAMETER SYMBOL -3dB Bandwidth BW Gain Gain Accuracy OUT ...

Page 4

Low-Cost, UCSP/SOT23, Micropower, High-Side Current-Sense Amplifier with Voltage Output (V = 12V 12V 100mV RS+ SENSE SUPPLY CURRENT vs. SUPPLY VOLTAGE 35.0 32 +100V +50V/V 30 ...

Page 5

Low-Cost, UCSP/SOT23, Micropower, High-Side Current-Sense Amplifier with Voltage Output (V = 12V 12V 100mV RS+ SENSE MAX4372T SMALL-SIGNAL TRANSIENT RESPONSE MAX4372T toc10 30mV V SENSE 10mV 600mV V OUT 200mV 20μs/div MAX4372T LARGE-SIGNAL TRANSIENT ...

Page 6

Low-Cost, UCSP/SOT23, Micropower, High-Side Current-Sense Amplifier with Voltage Output PIN SOT23 SO UCSP — — _______________Detailed Description The MAX4372 high-side current-sense amplifier ...

Page 7

Low-Cost, UCSP/SOT23, Micropower, High-Side Current-Sense Amplifier with Voltage Output Table 1. Recommended Component Values FULL-SCALE LOAD CURRENT, I (A) LOAD 0 Using a PC Board Trace the cost issue and ...

Page 8

Low-Cost, UCSP/SOT23, Micropower, High-Side Current-Sense Amplifier with Voltage Output Ordering Information (continued) PART TEMP RANGE PIN-PACKAGE MAX4372FEUK-T -40°C to +85°C 5 SOT23-5 MAX4372FESA -40°C to +85° MAX4372FEBT-T -40°C to +85° UCSP MAX4372HEUK-T -40°C to +85°C ...

Page 9

Low-Cost, UCSP/SOT23, Micropower, High-Side Current-Sense Amplifier with Voltage Output For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show ...

Page 10

Page 11

... 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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11 © 2009 Maxim Integrated Products DESCRIPTION Maxim is a registered trademark of Maxim Integrated Products, Inc ...

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