ZXCT1023_0910 DIODES [Diodes Incorporated], ZXCT1023_0910 Datasheet

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ZXCT1023_0910

Manufacturer Part Number
ZXCT1023_0910
Description
MICROPOWER FIXED GAIN OF 50 CURRENT MONITOR
Manufacturer
DIODES [Diodes Incorporated]
Datasheet
Description
The ZXCT1023 is a precision high-side current sense monitor.
Using this type of device eliminates the need to disrupt the
ground plane when sensing a load current.
The ZXCT1023 has a fixed internal gain of 50 and the only
external component required is the external current sense
resistor; this combined with its 1.2mm x 1.8mm TDFN
package more than quarters the solution size of the
ZXCT1010.
The wide input voltage range of 20V down to as low as 2.5V
makes it suitable for a range of applications.
The combination of operation down to 2.5V and just 3.5µA
quiescent current makes it ideal for single cell Li-Ion/polymer
battery charge/discharge measurement applications.
Features
Applications
Ordering Information
ZXCT1023
Rev. 2
ZXCT1023DFGTA
Order Reference
Accurate high-side current sensing
Fixed gain of 50 output scaling
2.5V – 20V operating range
3.5µA quiescent current
TDFN1218 package
Battery capacity measurement
Battery chargers
Over-current monitor
TDFN1218
Package
Marking
Device
MICROPOWER FIXED GAIN OF 50 CURRENT MONITOR
1023
www.diodes.com
1 of 7
Status
Active
Pin Connections
Typical Operating Circuit
Reel Size
(inches)
V
Diodes Incorporated
OUT
7
S+
GND
OUT
A Product Line of
R
R
G
GT
1
2
Quantity
per Reel
TDFN1218-4L
3000
Top View
ZXCT1023
+
Tape Width
R
© Diodes Incorporated
S
GND
October 2009
(mm)
4
3
8
S+
S-
S-

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ZXCT1023_0910 Summary of contents

Page 1

Description The ZXCT1023 is a precision high-side current sense monitor. Using this type of device eliminates the need to disrupt the ground plane when sensing a load current. The ZXCT1023 has a fixed internal gain of 50 and the only ...

Page 2

Absolute maximum ratings 1 Voltage on S+ ................................................. -0.5V to 20V 1,2 1 Voltage OUT ............................ -0. ........................................................... -0.5V to +2.5V SENSE Junction temperature ........................................ -40 to125ºC Storage temperature ........................................ -55 to 150ºC ...

Page 3

3.6V SENSE -40° 0° 85° 0 ( input current vs ...

Page 4

V =3. =25° 10mV SENSE 10 0 -10 -20 10E+0 100E+0 1E+3 10E+3 100E+3 frequency (Hz) Small signal frequency response V =3.6V 25° 20mV SENSE ...

Page 5

Application information The ZXCT1023 is line powered (derives its power from the rail being sensed) this reduces the number of pins used and PCB trace routing. The fixed gain of 50 reduces the PCB area by reducing the number of ...

Page 6

Recommended PCB Land Pattern ZXCT1023 Rev Product Line of Diodes Incorporated MICROPOWER FIXED GAIN OF 50 CURRENT MONITOR www.diodes.com ZXCT1023 October 2009 © Diodes Incorporated ...

Page 7

DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDING TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY ...

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