ZXCT1051_0611 ZETEX [Zetex Semiconductors], ZXCT1051_0611 Datasheet

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ZXCT1051_0611

Manufacturer Part Number
ZXCT1051_0611
Description
Precision wide input range current monitor
Manufacturer
ZETEX [Zetex Semiconductors]
Datasheet
ZXCT1051
Precision wide input range current monitor
Description
The ZXCT1051 is a wide input range current
monitor, which operates over a range of input
voltages from ground up to V
the ZXCT1051 can be used on the high or low
side of the load.
The very low offset voltage enables a typical
accuracy of 1% for sense voltages of only
30mV, giving better tolerances for small sense
resistors necessary at higher currents.
Features
Pin connections
Ordering information
Issue 2 - November 2006
© Zetex Semiconductors plc 2006
Order code
ZXCT1051E5TA
Accurate down to end current sensing
Output voltage scaling x10
0 to V
2.7 to 20V supply range
50 µA quiescent current
1% typical accuracy
SOT23-5 package
V
GND
OUT
V
CC
CC
-2V sense input range
SOT23-5
Package
CC
V
V
-2V. As a result
SENSE
SENSE
-
+
Partmark
1051
1
The ZXCT1051 provides a fixed gain of 10
thereby removing the need for an additional
resistor.
Applications
Typical application circuit
V
SENSE
V
Power supply
DC motor and solenoid control
Battery management
Over current monitor
Power management
Short circuit detection
CC
+
Reel size
(inches)
GND
V
7
SENSE
ZXCT1051
R
SENSE
+
V
V
SENSE
OUT
Tape width
(mm)
-
8
V
OUT
V
SENSE
www.zetex.com
-
Quantity
per reel
3,000

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ZXCT1051_0611 Summary of contents

Page 1

ZXCT1051 Precision wide input range current monitor Description The ZXCT1051 is a wide input range current monitor, which operates over a range of input voltages from ground the ZXCT1051 can be used on the high or low ...

Page 2

Absolute maximum ratings V max. CC Voltage and V SENSE SENSE Voltage on all other pins V "( SENSE SENSE SENSE Operating temperature, T amb Storage temperature Maximum junction temperature Package power dissipation Operation ...

Page 3

Electrical characteristics Test conditions T = 25°C, V amb Symbol Parameter I V pin current Output voltage OUT input current V SENSE SENSE input current V SENSE SENSE ...

Page 4

Typical characteristics Supply Current v Supply Voltage Supply Current v Sense Voltage Sense- Current v Temperature Issue 2 - November 2006 © Zetex Semiconductors plc 2006 Supply Current v Input Voltage Sense- Current v Supply Voltage Sense- Current v Sense ...

Page 5

Typical characteristics 1 100m 10m 1E-3 0.01 1100 1050 1000 950 900 -20 -15 - Load Current OUT ...

Page 6

Typical characteristics -10 -20 -30 -40 -50 -60 100 1k 10k Bandwidth 100 1k 10k CMRR 1.02 1.00 0.98 0.96 0.94 0.92 0.90 0. ...

Page 7

Application information The ZXCT1051 is Zetex’ first current monitor with a separate power supply pin. All biasing for the internal amplifiers comes from its separate V ZXCT1021. This means that at very small sense voltages the ZXCT1051 draws very little ...

Page 8

The ZXCT1051 has been designed to allow it to operate from supplies (V 20V while sensing common mode signals from When choosing appropriate values for R signal loss (including potential power dissipation effects) and small signal ...

Page 9

Packaging details - SOT23-5 DIM Min. A 0.90 A1 0.00 A2 0.90 b 0.20 C 0.09 D 2.70 E 2. 0.10 a° 0° Note: Controlling dimensions are in millimeters. Approximate dimensions are provided in inches ...

Page 10

Definitions Product change Zetex Semiconductors reserves the right to alter, without notice, specifications, design, price or conditions of supply of any product or service. Customers are solely responsible for obtaining the latest relevant information before placing orders. Applications disclaimer The ...

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