ZXCT1023 View Datasheet(PDF) - Diodes Incorporated.
Part Name
Description
Manufacturer
ZXCT1023 Datasheet PDF : 8 Pages
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ZXCT1023
MICROPOWER FIXED GAIN OF 50 CURRENT MONITOR
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
• Accurate high-side current sensing
• Fixed gain of 50 output scaling
• 2.5V – 20V operating range
• 3.5µA quiescent current
• TDFN1218 package
Pin Assignments
TDFN1218-4L
OUT 1
4 S+
GND 2
3 S-
Top View
Applications
• Battery capacity measurement
• Battery chargers
• Over-current monitor
Typical Application Circuit
S+
RG T
VO UT
RG
RS
S-
–
+
GND
ZXCT1023
Document number: DS31997 Rev. 3 - 2
1 of 8
www.diodes.com
June 2011
© Diodes Incorporated
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