MAX4374TEUB+T datasheet, PDF - EEWORLD Datasheet

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MAX4374TEUB+T: Descriptioncurrent sense amplifiers upower high-side current-sense amp; CategoryAnalog mixed-signal IC The signal circuit; File Size284KB，13 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html; Environmental Compliance

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MAX4374TEUB+T Overview

current sense amplifiers upower high-side current-sense amp

MAX4374TEUB+T Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Maxim
Parts packaging code	SOIC
package instruction	TSSOP, TSSOP10,.19,20
Contacts	10
Reach Compliance Code	compli
ECCN code	EAR99
Factory Lead Time	6 weeks
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
JESD-30 code	S-PDSO-G10
JESD-609 code	e3
length	3 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	10
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP10,.19,20
Package shape	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
power supply	2.7/28 V
Certification status	Not Qualified
Maximum seat height	1.1 mm
Maximum supply current (Isup)	0.1 mA
Maximum supply voltage (Vsup)	28 V
Minimum supply voltage (Vsup)	2.7 V
Nominal supply voltage (Vsup)	12 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3 mm

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19-1630; Rev 4; 1/11

KIT

ATION

EVALU

AVAILA

Low-Cost, Micropower, High-Side Current-Sense

Amplifier + Comparator + Reference ICs

General Description

The MAX4373/MAX4374/MAX4375 low-cost, micropow-

er, high-side current-sense supervisors contain a high-

side current-sense amplifier, bandgap reference, and

comparator with latching output. They feature a voltage

output that eliminates the need for gain-setting resistors,

making them 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 battery-powered systems since it

does not interfere with the ground path of the battery

charger. The 0 to +28V input common-mode range is

independent of the supply voltage, which ensures that

the current-sense feedback remains viable even when

connected to a battery pack in deep discharge.

The comparator output of the MAX4373/MAX4374/

MAX4375 is latched to provide a turn-off flag that

doesn’t oscillate. In addition, the MAX4374/MAX4375

contain a second comparator for use in window-detec-

tion functions. The MAX4373/MAX4374/MAX4375 are

available in three different gain versions (T = +20V/V,

F = +50V/V, H = +100V/V) and use an external sense

resistor to set the sensitivity of the input voltage to the

load current. These features offer a high level of inte-

gration, resulting in a simple and compact current-

sense solution.

The MAX4373/MAX4374/MAX4375 operate from a sin-

gle +2.7V to +28V supply and consume 50µA. They are

specified for the extended operating temperature range

(-40°C to +85°C) and are available in 8-pin and 10-pin

µMAX® packages.

♦

50µA Supply Current

♦

Single +2.7V to +28V Operating Supply

♦

1mV (max) Input Offset Voltage

♦

2% (max) Full-Scale Accuracy

♦

Internal Bandgap Reference (±1.6% Accuracy)

♦

Latching Comparator Output

♦

Three Gain Versions Available (+20V/V, +50V/V,

+100V/V)

♦

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

Range, Functional Down to 0V, Independent of

Supply Voltage

Features

♦

Current-Sense Amplifier plus Internal Comparator

and Bandgap Reference with Improved Accuracy

MAX4373/MAX4374/MAX4375

Ordering Information

PART

MAX4373TEUA+

MAX4373TESA+

MAX4373FEUA+

MAX4373FESA+

MAX4373HEUA+

TEMP RANGE

-40°C to +85°C

PIN-

PACKAGE

8 µMAX

8 SO

8 µMAX

8 SO

8 µMAX

GAIN

(V/V)

+20

+50

+100

MAX4373HESA+ -40°C to +85°C 8 SO

+100

+Denotes

a lead(Pb)-free/RoHS-compliant package.

Ordering Information continued at end of data sheet.

Applications

Notebook Computers

Portable/Battery-Powered Systems

Smart Battery Packs/Chargers

Cell Phones

Power-Management Systems

General-System/Board-Level Current Monitoring

Precision Current Sources

Typical Operating Circuit

+ V

SENSE

= 0 TO 28V

SENSE

RS+

= 2.7V TO 28V

0.1µF

RS-

LOAD/

BATTERY

LOAD

MAX4373

OUT

PULL-UP

(UP TO 5V)

COUT

CIN

µMAX is a registered trademark of Maxim Integrated Products, Inc.

Pin Configurations appear at end of data sheet.

RESET

GND

________________________________________________________________

Maxim Integrated Products

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.

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