The CSA-1VG-SO & CSA-1V-SO are available for ongoing engineering projects or existing GMW customers.
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Engineering
Kits
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Kit
summary PDF document |
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AN_115 - Low currents to 1A RMS - Wire
Bobbin
• AN_116 - Low currents
to 2A RMS - PCB
• AN_120 - Medium currents
to 8A RMS - PCB trace
• AN_118 - Medium currents
to 8A RMS - PCB jumper
• AN_128 - Medium currents
to 8A RMS - Dual devices, High Noise Immunity
• AN_122 - Medium currents
to 15A RMS - High Sensitivity Current Sensor
• AN_126 - Higher currents
to 20A RMS - Current Sensing PCB with multi layer traces
• AN_124 - Higher currents
to 20A RMS - Current Sensing High Voltage Isolation Current Sensor
• AN_123 - Higher currents
to 25A RMS - PCB with mini bus bar
• AN_117 - Higher currents
to 40A RMS - 4 layer PCB with shield
• AN_119 - Current
sensing in a wire
• AN_119B - Clamp On Current Sensor - PCB
• AN_121 - Current
sensing on a bus bar
• AN_106 - High Dielectric Isolation Current Sensor
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 CSA-1V
Application Engineering Kit - AN_115KIT
• Low current - up to 1A RMS
• Bi-directional
• High dielectric isolation
This kit is ideal for evaluating low current and high
voltage isolation applications. The sensitivity depends
on the number of turns of magnet wire on the bobbin (approx
30mV/amp-turn).
The kit includes:
• PCB assembly with CSA-1V-SO
(PCB size: 12.7mm
x 19.0mm x 3.6mm (excluding bobbin))
• Nylon bobbin
• Mating connector
• Extra CSA-1V-SO Sample
• Instruction Sheet - AN_115KIT pdf, 82KB
Also see the Ametes CS Series Current Sensors with sensitivites of 10V/A, 1V/A and 0.25V/A.
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 CSA-1V
Application Engineering Kit - AN_116KIT
• Low current - up to 2A RMS
• Peak current to 5A (< 1 second)
• Sensitivity ~ 460mV/A
• Large differential output voltage
- ±5V
• High immunity to stray fields
This kit is useful in evaluating the sensing of low currents
on PCB’s. The kit has a CSA on top and another one
directly under it on the other side of the board. The
differential output is measured between the two IC’s.
Common mode magnetic fields are cancelled out.
The kit includes:
• PCB assembly with CSA-1V-SO
(PCB size: 12.7mm
x 19.0mm x 3.6mm (excluding bobbin))
• Mating connector
• Extra CSA-1V-SO Sample
• Instruction Sheet - AN_116KIT pdf, 92KB
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 CSA-1V
Application Engineering Kit - AN_120KIT
• Mid current
range - 0 to 8A RMS
• Peak current,
50A for < 1 sec
• Bi-directional
• Sensitivity
~ 38 mV/A
This kit is useful in evaluating the sensing of current
in traces directly under the IC for mid range currents.
Current is limited by the trace width and copper thickness.
Kit includes:
• PCB assembly
with CSA-1V-SO
(PCB size: 12.7mm
x 19.0mm x 3.6mm)
• Mating connector
• Extra CSA-1V-SO Sample
• Instruction Sheet - AN_120KIT pdf, 65KB
• Technical Note - Transient
Common Mode Voltage Rejection - AN_120KIT pdf, 52KB
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 CSA-1V
Application Engineering Kit - AN_118KIT
• Mid current range – 0 to
8A RMS
• Peak current – 22A < 1 sec
• Bi-directional
• Sensitivity ~ 110 mV/A
This kit has more sensitivity than the standard AN_120
and is the preferred configuration for this current range
if installing a “thru-hole” jumper is an acceptable
assembly process.
Kit includes:
• PCB assembly with CSA-1V-SO
(PCB size: 12.7mm
x 19.0mm x 3.6mm)
• Mating connector
• Extra CSA-1V-SO Sample
• Instruction Sheet - AN_118KIT pdf, 70KB
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 CSA-1V
Application Engineering Kit - AN_128KIT
• Mid current range - 0 to 8 amps
RMS
• Peak current – 22A < 1 sec
• High sensitivity ~ 220 mV/A
• Large differential output voltage
- ±5 Volts
• High Immunity to stray fields
This kit is useful for evaluating the sensing configuration
where high sensitivity and high immunity to stray fields
is desired. The output is a differential output and can
provide a large voltage swing of ±5 volts for bi-directional
current or 0-5 volts for DC currents
Kit includes:
• PCB assembly with CSA-1V-SO
(PCB size: 12.7mm
x 19.0mm x 3.6mm)
• Mating connector
• Extra CSA-1V-SO Sample
• Instruction Sheet - AN_128KIT pdf, 92KB
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 CSA-1V
Application Engineering Kit - AN_122KIT
• Mid current range - 0 to 15 amps
RMS
• Peak current – 35A < 1 sec
The AN_122KIT provides an easy method of evaluating the Sentron CSA-1VG current sensor in a PCB layout configuration that greatly improves the signal to noise ratio for a medium current range measurement. This arrangement will produce a nominal sensitivity of 65mV/A for a linear output to ±30A of primary current. The maximum continuous capability for this layout is 15A rms, but the PCB can handle short peak current up to ±35A.
Kit includes:
• PCB assembly with CSA-1VG-SO
(PCB size: 12.7mm
x 19.0mm x 3.6mm)
• Mating connector
• Extra CSA-1VG-SO Sample
• Instruction Sheet - AN_122KIT pdf, 61KB
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 CSA-1V
Application Engineering Kit - AN_126KIT
• Mid current range - 20 amps
RMS
• Peak current – 60A < 1 sec
• High sensitivity ~ 35 mV/A
• High Immunity to stray fields
The AN_126KIT provides an easy method of evaluating the Sentron CSA-1VG current sensor in a PCB layout configuration that utilizes top and bottom PCB traces for medium current range measurement. This arrangement will produce a nominal sensitivity of 35mV/A thereby generating a full scale output at ±60A of primary current. The maximum continuous capability for this layout is 20A rms, but the PCB can handle short term higher currents up to the ±60A peak.
Kit includes:
• PCB assembly with CSA-1V-SO
(PCB size: 12.7mm
x 19.0mm x 3.6mm)
• Mating connector
• Extra CSA-1V-SO Sample
• Instruction Sheet - AN_126KIT pdf, 92KB
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 CSA-1V
Application Engineering Kit - AN_124KIT
• Moderately High Currents - 0 to
20A RMS
• Peak current – 75A < 1 sec
• Bi-directional
This kit provides a easy method of evaluating the Sentron CSA-1VG current sensor IC in a configuration that provides a high dielectric voltage isolation between the primary conductor and the sensor circuitry that may be required for UL applications. The sensor measures the magnetic field created by the current flowing in the conductor and converts it to a voltage proportional to the current. The primary current conductor is on the back side of the PCB and there is a SMD ferrite chip mounted
over the conductor to increase the sensitivity and increase immunity to stray magnetic fields. The Sensitivity is 35mV/A with a 20A continuous rating. The kit can respond to short, high current
pulses (<25mS) up to 75A.
Kit includes:
• PCB assembly with CSA-1VG-SO
(PCB size: 12.7mm
x 19.0mm x 3.6mm)
• Mating connector
• Extra CSA-1VG-SO Sample
• Instruction Sheet - AN_124KIT pdf, 89KB
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 CSA-1V
Application Engineering Kit - AN_123KIT
• Higher current range – 0
to 25A RMS
• Peak current – 50A < 1 sec
• Bi-directional
• Sensitivity ~ 44 mV/A
This kit is useful for evaluating the sensing of higher currents
on the PCB. This kit demonstrates the use of a “mini
bus bar” over the top of the IC.
Kit includes:
• PCB assembly with CSA-1V-SO
(PCB size: 12.7mm
x 19.0mm x 3.6mm)
• Mating connector
• Application note
• Extra CSA-1V-SO Sample
• Spare Mini bus bar
• Instruction Sheet - AN_123KIT pdf, 89KB
• Technical Note - Transient
Common Mode Voltage Rejection - AN_123KIT pdf, 52KB
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 CSA-1V
Application Engineering Kit - AN_117KIT
• Moderately High Currents - 0 to
40 RMS
• Peak current – 100A < 1 sec
• Bi-directional
• Sensitivity without concentrator ~
15 mV/amp
• Sensitivity with concentrator ~ 30
mV/amp
This kit is a four layer PCB with a wide current trace
on the three bottom layers to allow for higher currents
on the PCB. The optional magnetic concentrator increases
the sensitivity and the immunity to stray fields.
Kit includes:
• PCB assembly with CSA-1V-SO
(PCB size: 12.7mm
x 19.0mm x 3.6mm)
• Mating connector
• Terminating hardware and optional
magnetic concentrator
• Extra CSA-1V-SO Sample
• Instruction Sheet - AN_117KIT pdf, 89KB
• Technical Note - Transient
Common Mode Voltage Rejection - AN_117KIT pdf, 58KB
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 CSA-1V
Application Engineering Kit - AN_119KIT
• External wire current sensing-
No limit on current
• Bi-directional
• Sensitivity ~ 60 mV/(d+0.3)A, where
d=distance between
center of wire and top surface of IC
in mm.
This kit is ideal for sensing currents in wires. The sensitivity
is dependant on the diameter of the wire and thickness
of the insulation. Any wire size can be used in this application.
Sensitivity can be increased by making a wrap around the
sensor.
Kit includes:
• PCB assembly with CSA-1V-SO
(PCB size: 12.7mm
x 19.0mm x 3.6mm)
• Nylon tie wrap
• Mating connector
• Extra CSA-1V-SO Sample
• Instruction Sheet - AN_119KIT pdf, 90KB
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 CSA-1V
Application Engineering Kit - AN_119BKIT
• Clamp On Current Sensor-
No limit on current
• Bi-directional
• Sensitivity ~ 0.056 *I /(d+0.3mm), for wires mounted above the IC
Sensitivity ~ 0.056 *I /(d-0.3mm), for wires mounted below the PCB
Where d = distance between the top of the IC to the center of the wire in mm, I = current in conductor in A
The AN_119BKIT provides a easy method of evaluating the Sentron CSA-1VG current sensor IC in a configuration that can be strapped to conductors for medium to high current range measurements. The sensor measures the magnetic field created by the current flowing in the conductor and converts it to a voltage proportional to the current. The current measurement is sensitive to the position of the wire with respect to the conductor, therefore this kit configuration provides for two tie wraps to secure the wire to the PCB in a stable and consistent position. There are two sets of slots in the PCB to accommodate various conductor sizes.
Kit Includes:
• PCB assembly with CSA-1VG-SO
(PCB size: 12.7mm
x 19.0mm x 3.6mm)
• Mating connector
• Extra CSA-1VG-SO Sample
• Instruction Sheet - AN_119BKIT pdf, 74KB
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 CSA-1V
Application Engineering Kit - AN_121KIT
• Very High Current in Bus Bar and
Flat conductors
• Bi-directional
This kit is useful in sensing currents in bus bars and
flat conductors. Sensitivity depends on the width and
thickness of the conductor. Increasing the width and thickness
decreases the sensitivity. Currents in the range of 100’s
of amps to thousands of amps can be sensed. By installing
two kits, one each side of the bus bar and taking the
differential output from the two kits, the effect of background
fields is reduced.
Kit Includes:
• PCB assembly with CSA-1V-SO
(PCB size: 12.7mm
x 19.0mm x 3.6mm)
• #8-32 Nylon screw
• Mating connector
• Extra CSA-1V-SO Sample
• Instruction Sheet - AN_121KIT pdf, 74KB
• Mechanical Drawings - AN_121KIT pdf, 11KB
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 CSA-1V
Application Engineering Kit - AN_106-AC KIT
and AN_106K-DC KIT
The AN_106 is a development kit that provides a reference design using the CSA-1VG-SO IC and a scaling amplifier that will measure AC and DC currents from 0 to 20A continuous. This reference design provides a high dielectric voltage isolation between the primary conductor and the sensor circuitry that may be required for applications requiring UL approval. The CSA-1VG IC measures the magnetic field created by the current flowing in the conductor and converts it to a voltage proportional to the current.
DC Version P/N is AN_106-DC KIT
AC Version P/N is AN_106-AC KIT
• Spec Sheet - AN_106KIT pdf, 596KB
Last updated on
3 March, 2011
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