Datasheet > ZXCT21x

ZXCT21x

更新时间： 2024-12-01 14:49:51

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
15页	1440K
描述
26V, Zero-Drift, Hight-Precision Current Monitor

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中文翻译

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ZXCT21x 数据手册

ZXCT21x

26V, ZERO-DRIFT, HIGH-PRECISION CURRENT MONITOR

Description

Pin Assignments

The ZXCT21x series are high-precision current-shunt monitor with

different choices of gain options to measure low-voltage drop (10mV)

across a small shunt resistor with minimal error. This enables high

accuracy of large current measurement and reduces a power loss

caused by the measurement at common-mode voltages from -0.3V to

26V.

OUT pin is a voltage proportional to the load current. It can then be

processed with an ADC. There are six fixed gains available: 50, 75,

100, 200, 500, and 1000 V/V respectively. This device is designed with

zero-drift architecture and is manufactured by post trim technology to

achieve low offset voltage, low gain drift and low gain error among full

temperature range for precise measurement.

Top View

The ZXCT21x operates from a single 2.7V to 26V power supply with a

maximum of 100μA of supply current from -40°C to +125°C, and is

offered in SOT363 and U-QFN1418-10 package.

REF

GND

V+

OUT

IN-

Features

IN+



Supply Voltage Range: 2.7V to 26V

Temperature Range: -40°C to +125°C

Wide Common-Mode Range: -0.3V to 26V

Support Shunt Drops of 10mV Full-Scale

Gain Error (Maximum Overtemperature)

SOT363

Applications

A and B Version: ±0.8%

C Version: ±0.5%



Notebook computers



Low Offset Voltage: ±30μV (max)

Quiescent Current: 100μA (max)

Low Gain Error Drift: 10ppm/°C (max)

Rail-to-Rail Output Capacity

Choice of Gains:

Server farms

Telecoms

Current sensing (high-side/low-side)

Battery charging and discharging

High-performance video cards

Industrial power supplies

Instrumentation

–

ZXCT210: 200V/V

ZXCT211: 500V/V

ZXCT212: 1000V/V

ZXCT213: 50V/V

ZXCT214: 100V/V

ZXCT215: 75V/V

Control systems

Metering



Package: 6-pin SOT363 and 10-pin U-QFN1418-10

Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

Halogen and Antimony Free. “Green” Device (Note 3)

An automotive-compliant part is available under separate

datasheet (ZXCT21xQ)

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.

2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and

Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

1 of 15

www.diodes.com

April 2023

ZXCT21x

Document number: DS45449 Rev. 2 - 2

12 3 4 5 6 7...15

中文翻译

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