ZXCT1008

High-Side Current Monitor

The ZXCT1008 is a high-side current monitor from Diodes Incorporated. View the full ZXCT1008 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Official ZXCT1008 datasheet (PDF) — the source this page was extracted from.

Manufacturer

Diodes Incorporated

ZXCT1008 Key Specifications

Parameter	Value
VCC Range (V_IN)	2.5 V (min) to 20 V (max)
Output Current (I_OUT) at V_SENSE = 0V	4 μA (typ)
Sense Voltage (V_SENSE)	0 mV (min) to 500 mV (max)
Accuracy (A_CC) at R_SENSE = 0.1Ω, V_SENSE = 200mV	-2.5% (min) to 2.5% (max)
Transconductance (G_M)	10,000 μA/V (typ)
Bandwidth (BW) at V_SENSE(DC) = 100mV	2 MHz (typ)
V_SENSE - Input Current (I_SENSE-)	100 nA (max)

ZXCT1008 Overview

Part: ZXCT1008 — Diodes Incorporated

Type: High-Side Current Sense Monitor

Description: High-side current sense monitor with a 2.5V to 20V supply range, up to 500mV sense voltage, 4μA quiescent current, and 1% typical accuracy.

Operating Conditions:

Supply voltage: 2.5–20 V
Operating temperature: -40 to +85 °C
Sense voltage range: 0 to 500 mV

Absolute Maximum Ratings:

Max voltage on any pin (relative to I OUT): 20 V
Max continuous output current: 25 mA
Max storage temperature: +125 °C

Key Specs:

VCC Range (V_IN): 2.5 V (min) to 20 V (max)
Output Current (I_OUT) at V_SENSE = 0V: 4 μA (typ)
Sense Voltage (V_SENSE): 0 mV (min) to 500 mV (max)
Accuracy (A_CC) at R_SENSE = 0.1Ω, V_SENSE = 200mV: -2.5% (min) to 2.5% (max)
Transconductance (G_M): 10,000 μA/V (typ)
Bandwidth (BW) at V_SENSE(DC) = 100mV: 2 MHz (typ)
V_SENSE - Input Current (I_SENSE-): 100 nA (max)

Features:

Low Cost, Accurate High-Side Current Sensing
Up to 500mV Sense Voltage
2.5V to 20V Supply Range
4μA Quiescent Current
1% Typical Accuracy
SOT23
Totally Lead-Free & Fully RoHS Compliant
Halogen and Antimony Free. 'Green' Device

Applications:

Automotive Current Measurement
DC Motor and Solenoid Control
Over Current Monitor
Power Management

Package:

SOT23

ZXCT1008 Features

Low Cost, Accurate High-Side Current Sensing
-40 to +125 °C Temperature Range
Up to 500mV Sense Voltage
2.5V to 20V Supply Range
4μA Quiescent Current
1% Typical Accuracy
SOT23
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 Data Sheet (ZXCT1008Q)

ZXCT1008 Applications

Automotive Current Measurement
DC Motor and Solenoid Control
Over Current Monitor
Power Management

ZXCT1008 Pin Configuration

(Top View)

ZXCT1008 Electrical Characteristics

Symbol	Parameter	Conditions	Min	Typ	Max	Unit
V IN	V CC Range	-	2.5	-	20	V
I OUT	Output Current (Note 5)	V SENSE = 0V V SENSE = 10mV V SENSE = 100mV V SENSE = 200mV V SENSE = 500mV	1 90 0.975 1.95 4.8	4 104 1.0 2.0 5.0	15 120 1.025 2.05 5.2	μA μA mA mA mA
V SENSE	Sense Voltage (Note 4)	-	0	-	500	mV
I SENSE-	V SENSE - Input Current	-	-	-	100	nA
A CC	Accuracy	R SENSE = 0.1Ω, V SENSE = 200mV	-2.5	-	2.5	%
G M	Transconductance, I OUT /V SENSE	-		10,000	-	μA/V
BW	Bandwidth	V SENSE(DC) = 10mV, RF P IN = -40dBm (Note 6)	-	300	-	kHz
BW	Bandwidth	V SENSE(DC) = 100mV, RF P IN = -20dBm (Note 6)		2	-	MHz

ZXCT1008 Absolute Maximum Ratings

Description	Rating	Unit
Voltage on Any Pin (relative to I OUT )	-0.6 to 20	V
Continous Output Current, I OUT	25	mA
Continuous Sense Voltage, V SENSE (Note 4)	-0.5 to 5	V
Operating Temperature, T A	-40 to +85	°C
Storage Temperature	-55 to +125	°C
Package Power Dissipation @TA = +25°C (Derate to Zero @+125°C)	450	mW

Operation above the absolute maximum rating may cause device failure. Operation at the absolute maximum ratings for extended periods may reduce device reliability.

ZXCT1008 Typical Application

No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
See http://www.diodes.com/quality/lead\_free.html for more information about Diodes Incorporated's definitions of Halogen- and Antimony-free, "Green" and lead-free.
Halogen- and Antimony-free "Green' products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds.

ZXCT1008 Package Information

Please see http://www.diodes.com/package-outlines.html for the latest version.

SOT23

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