ZXCT1030
ZXCT1030  
Document number: DS32161 Rev. 4 - 2 
1 of 7
www.diodes.com
June 2010
?Diodes Incorporated 
 Product Line of
Diodes Incorporated
HIGH-SIDE CURRENT MONITOR WITH COMPARATOR 
 
Description 
The   ZXCT1030   is   a   high   side   current   sense   monitor
containing an internal reference and comparator with a non-
latching output. Using this device eliminates the need to
disrupt the ground plane when sensing a load current.
 
The wide input voltage range of 20V down to as low as 2.2V
make it suitable for a range of applications. Dynamics and
supply current are optimized for the processing of fast pulses,
associated with switch mode applications. 
Pin Assignments 
 
 
 
 
 
 
 
 
Features 
"     Low cost, accurate high-side current sensing
"     Output voltage scaling
"     Up to 18V output
"     2.2V - 20V supply range
"     Voltage reference on chip
"     Comparator on chip
"     SO8 package
 
 
 
Applications 
"     Battery chargers
"     Electronic fuse
"     DC motor control
"     Over current monitor
"     Power management
"     Inrush current limiting 
 
Typical Application Circuit 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
V
CC
V
SENSE-
V
SENSE+
GND
V
COMP_OUT
V
OUT
Vref_out
V
COMP_IN
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001-0001 ANTENNA 2.4GHZ DIPOLE 2DBI
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