zxct1023 Diodes, Inc., zxct1023 Datasheet

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zxct1023

Manufacturer Part Number
zxct1023
Description
Micropower Fixed Gain Of 50 Current Monitor
Manufacturer
Diodes, Inc.
Datasheet

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Part Number:
zxct1023DFGTA
Quantity:
6 241
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
charge/discharge measurement applications.
Features
Applications
Ordering Information
ZXCT1023
Document Rev. 1
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
Li-Ion/polymer battery
Marking
Device
1023
MICROPOWER FIXED GAIN OF 50 CURRENT MONITOR
www.diodes.com
1 of 6
Status
Active
Pin Connections
Typical Operating Circuit
Reel Size
(inches)
V
7
OUT
S+
OUT
GND
Diodes Incorporated
A Product Line of
R
R
G
Quantity
per Reel
GT
1
2
3000
TDFN1218-4L
Top View
©
Diodes Incorporated
ZXCT1023
MARCH 2009
Tape Width
R
GND
3
4
S
(mm)
8
S+
S-
S-

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zxct1023 Summary of contents

Page 1

... 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 ...

Page 2

... SENSE SENSE V = 50mV SENSE V = 50mV SENSE V (DC) = 10mV SENSE V (DC) = 50mV SENSE V = 30mV 2.5 to 20V SENSE www.diodes.com A Product Line of Diodes Incorporated ZXCT1023 MIN MAX Units 2 380 -40 85 °C Limits Unit Min. Typ. Max. 0.3 ...

Page 3

... SENSE 0.4% 10mV V SENSE 0. 30mV SENSE 30mV 0.0% 50mV -0. 10mV SENSE -0.4% -0. -40 -15 Relative output voltage change Vs Temperature www.diodes.com A Product Line of ZXCT1023 Vs+ = 3.6v Relative to gain = 25° 0° (mV) SENSE T = 85° 25° 0° -40° ...

Page 4

... GND Ground and substrate connection of device connection 3 S- High impedance negative sense voltage input 4 S+ Positive sense input. Also acts as power supply pin to ZXCT1023 ZXCT1023 Document Rev. 1 Diodes Incorporated MICROPOWER FIXED GAIN OF 50 CURRENT MONITOR Typical AC characteristics 50mV 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 external components. The only external component required is the sense resistor. This coupled with the 1 ...

Page 6

... Incorporated products in such safety-critical, life support devices or systems. Copyright © 2009, Diodes Incorporated www.diodes.com ZXCT1023 Document Rev Product Line of Diodes Incorporated MICROPOWER FIXED GAIN OF 50 CURRENT MONITOR IMPORTANT NOTICE LIFE SUPPORT www.diodes.com ZXCT1023 Further, MARCH 2009 © Diodes Incorporated ...

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