NI NIPXI-4130 20 v, 2 a source measure unit Datasheet

20 V, 2 A Source Measure Unit
NI PXI-4130 NEW!
SMU Channel
Operating Systems
•
•
•
•
•
• Windows Vista/XP/2000
±20 V, 2 A, isolated
4-quadrant operation – 10 W sinking
Remote sense capability
5 current ranges – 2 A to 200 µA
1 nA measurement resolution on
the 200 µA range
Utility Channel
• 6 V, 1 A, ground referenced
• 120 µV/20 µA setpoint resolution
• 16-bit voltage/current setpoint
and measurement
Recommended Software
•
•
•
•
LabVIEW
LabVIEW Real-Time
LabWindows™/CVI
Measurement Studio
Other Compatible Software
• Microsoft Visual Basic
• C/C++
Driver Software (included)
• NI-DCPower
2A
Overview
The NI PXI-4130 is a programmable, high-power source measure unit
(SMU) in a single-slot, 3U PXI module. It has a single isolated SMU
channel that offers a four-quadrant ±20 V output that incorporates
remote (4-wire) sense. This channel is capable of sourcing up to 40 W
in quadrants I and III and sinking up to 10 W in quadrants II and IV. With
five current ranges providing measurement resolution down to 1 nA, this
precision source is ideal for design validation and semiconductor test
applications that require programmatic sourcing and sweeping as well
as high-accuracy measurements.
The PXI-4130 also includes a utility channel that can source either
current or voltage with 16-bit setpoint and measurement resolution. You
can use this output, which provides up to 6 V and 1 A, as a complementary
power source to the SMU channel. Applications such as transistor
characterization that require accurately sourcing a constant current or
voltage while sweeping another current or voltage can greatly benefit from
the reduced complexity, footprint, and cost that this module offers.
Both channels of the PXI-4130 power SMU can act as either a constant
voltage source or a constant current source, with a settable compliance
limit for either mode. In addition, you can enable remote sense on the
SMU channel to maximize voltage output/measurement accuracy at your
device under test for high-precision applications.
200 mA
Maximum Power
Quadrants I and III = 40 W
Quadrants II and IV = 10 W
20 mA
Quadrant II
Sink
2 mA
Quadrant I
Source
200 µA
-20 V
20 V
-200 µA
Quadrant III
Source
-2 mA
-20 mA
Quadrant IV
Sink
-200 mA
-2 A
Figure 1. Channel 1 Quadrant Diagram (40 W in Quadrants I and III, 10 W in
Quadrants II and IV)
Internal/External Supply Options
You can power the PXI-4130 either internally from the PXI backplane or
externally through a front-panel-connected auxiliary DC supply such as
the NI APS-4100. When internally powered, the ground-referenced, 0 to
6 V channel can be operated at its full 1 A current range, but the isolated
SMU channel is limited to 300 mA or 2 W. When externally powered,
the SMU channel can source up to 2 A at 20 V in addition to the utility
channel, which sources up to 1 A at 6 V for a total maximum output
power of 46 W.
20 V, 2 A Source Measure Unit
Software for Programmatic Control
NI-DCPower, an IVI-compliant instrument driver, offers complete
programmatic control of the PXI-4130. You can use the NI-DCPower
soft front panel to quickly troubleshoot or debug power supply operation.
You can take advantage of the DCPower Express VI for an intuitive,
configuration-based method of programming in the NI LabVIEW
graphical development environment or the LabVIEW SignalExpress
programming-free environment.
For low-level control of SMU hardware, the NI-DCPower instrument
driver provides a complete API that exposes the full functionality of the
hardware in an intuitive hierarchy. NI-DCPower also includes example
programs that demonstrate concepts ranging from simple configuration
to advanced sweeping and monitoring.
Extensive Protection Features
In addition to standard voltage and current limiting functionality, the
PXI-4130 offers several other features to protect the supply and the load.
The nonisolated output is protected against a reverse-polarity voltage
application, and both outputs are protected against excessive voltages.
Output fuses provide additional protection to prevent catastrophic failure
as a last line of defense.
The operating voltage range for the auxiliary power input is 11 to
15.5 V. If the PXI-4130 detects voltages outside these limits, it shuts
down until an input voltage within range is applied. If an input larger
than 20 V is applied, the input crowbar protection turns on, protecting
the input solid-state switching devices (and preregulator power supply)
from overvoltage damage.
The PXI-4130 operates with only nominal temperature increases
internally due to the intelligent digital power control of the output
devices. If an overtemperature condition occurs in the PXI chassis due
to fan failure or intake blockage, the output channels are shut down and
a warning is issued. This type of condition requires user software
intervention to reset, thus preventing the module from damage at
excessive temperatures.
Ordering Information
NI PXI-4130............................................................................779647-30
Includes NI-DCPower and the DCPower Soft Front Panel.
NI APS-4100 ..........................................................................779671-01
NI PXI-4130, NI APS-4100 Bundle ........................................779647-31
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For complete product specifications, pricing, and accessory information,
call 800 813 3693 (U.S.) or go to ni.com/modularinstruments.
BUY ONLINE at ni.com or CALL 800 813 3693 (U.S.)
2
20 V, 2 A Source Measure Unit
IV Characterization of Transistors
Because the PXI-4130 has two programmable output channels, you can use a single module to characterize metal-oxide semiconductor field-effect
transistors (MOSFETs) and bipolar junction transistors (BJTs). Figure 2 shows the connections for performing IV curve tracing on a MOSFET using the
PXI-4130. In this configuration, the utility channel is used to set a constant value for the gate-source voltage and the SMU channel is used to sweep
the drain-source voltage and measure the induced current. You can also configure remote-sense connections on the SMU channel to precisely
measure the drain-source voltage so that the IV curve data is as accurate as possible.
HI
D
HI Sense
G
ID
SMU Channel
VGS = Vt + 4
LO Sense
S
LO
VGS = Vt + 1
HI
IV curves for field-effect transistor at different
values of VGS with breakdown region shown at right.
Utility Channel
VDS
GND
Figure 2. Connections for Performing IV Curve Tracing on a MOSFET Using the PXI-4130
Battery Charge-Cycle Testing and Rechargeable Source Simulation
The SMU channel on the PXI-4130 has the ability to sink up to 10 W of power, making it ideal for charge-cycle testing on rechargeable batteries.
The configuration shown on the left side of Figure 3 illustrates the connections needed to charge and discharge a battery in either constant current
or constant voltage mode. The remote-sense terminals precisely measure the voltage directly at the battery. Alternatively, you can use the PXI-4130
as a source simulator to test chargers or power other electronic devices. For rechargeable source simulation, replace the battery in Figure 3 with a
charger or other device under test.
HI
+
HI Sense
SMU Channel
4V
LO Sense
3.7 V Nominal Voltage
–
LO
3V
HI
Constant current discharge curve for a Lithium-ion
battery with nominal voltage shown as dashed line.
Utility Channel
GND
Figure 3. Connections for Charging and Discharging a Battery in Constant Current or Constant Voltage Mode Using the PXI-4130
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3
20 V, 2 A Source Measure Unit
Specifications
>> For complete specifications, see the NI PXI-4130 Specifications at
ni.com/manuals.
SMU Channel Specifications (Channel 1)
Voltage Programming Accuracy/Resolution
Range
±20 V
±6 V
Resolution
0.33 mV
0.1 mV
Accuracy ± (% of output + offset)
1 Year, 23 °C ± 5 °C
0.034% + 1.8 mV
0.034% + 1.5 mV
Current Programming Accuracy/Resolution
Range
200 µA
2 mA
20 mA
200 mA
2 A1
Resolution
10 nA
100 nA
1 µA
10 µA
100 µA
Accuracy ± (% of output + offset)
1 Year, 23 °C ± 5 °C
0.03% + 0.1 µA
0.03% + 1 µA
0.03% + 10 µA
0.03% + 100 µA
0.12% + 1 mA
Voltage Measurement Accuracy/Resolution
Range
±20 V
±6 V
Resolution
0.10 mV
0.10 mV
Accuracy ± (% of reading + offset)
1 Year, 23 °C ± 5 °C
0.03% + 1.5 mV
0.03% + 1.5 mV
Current Measurement Accuracy/Resolution
Range
200 µA
2 mA
20 mA
200 mA
2 A1
Resolution
1.0 nA
10 nA
0.1 µA
1 µA
10 µA
Accuracy ± (% of reading + offset)
1 Year, 23 °C ± 5 °C
0.03% + 0.02 µA
0.03% + 0.2 µA
0.03% + 2 µA
0.03% + 40 µA
0.12% + 200 µA
Channel 1 Additional Specifications
Settling time2 ......................................
Output capacitance
Low setting .....................................
High setting ....................................
Slew rate.............................................
Transient response (typical)................
500 µs
10 nF
6.8 µF
0.08 V/µs
Recovers to <0.1% of voltage
range within 200 µs after a
change in load current from
10 to 90% of current range
RMS normal mode noise .................... 15 mVpp typical into resistive load;
<5 mV RMS;
20 Hz to 20 MHz bandwidth
Remote sense ..................................... Up to 1 V drop per lead
using internal power or
≥12 V auxiliary power supply;
add 120 µV to accuracy
specification per volt of lead drop
Load regulation
Voltage............................................ 20 mV per amp of output
load using local sense
Current ............................................ 0.01% of range per volt of
output change
Line regulation (% of output + offset, per volt of change in auxiliary
power input)
Voltage............................................ 0.01 + 1 mV
Current ............................................ 0.01 + 0.02% of range;
temperature coefficient
(Tempco) is 10% of accuracy
specification per °C
Utility Channel Specifications (Channel 0)
Programming Accuracy/Resolution
Output Function
Voltage
Current
Range
+6 V
1 A1
Resolution
0.12 mV
0.02 mA
Accuracy ± (% of reading + offset)
1 Year, 23 °C ± 10 °C
0.05% + 4 mV
0.15% + 4 mA
Measurement Accuracy/Resolution
Measurement
Type
Voltage
Current
Range
+6 V
1 A1
Resolution
0.06 mV
0.01 mA
Accuracy ± (% of reading + offset)
1 Year, 23 °C ± 10 °C
0.05% + 4 mV
0.15% + 4 mA
General Specifications
Programming and Measurement Timing3
Maximum output update rate............. 3000 updates/s
Maximum measurement rate
(Samples to average = 1).................... 3 kS/s
Typical single point update latency.... 600 µs
Additional Information
Auxiliary power input protection
Overvoltage..................................... >15.5 VDC shut-off;
>20 VDC crowbar (fused)
Overcurrent or reverse voltage....... Fused
Recommended calibration interval..... One year
1See
specifications for derating information.
2Settled
to 1 percent, 1 V step, 50 percent of current range at final value; output capacitance
set to low, using auxiliary power supply.
3Does
not include load-dependent settling time.
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4
20 V, 2 A Source Measure Unit
D
A
E
F
B
G
H
C
I
A Channel 0
B Channel 1 Output
C Channel 1 Sense
D 0 to +6 V
E GND
F High Terminal
G Low Terminal
H Low Sense Terminal
I High Sense Terminal
Figure 4. NI PXI-4130 Output Connector
B
A
C
A Auxiliary Power Input
B +11 to +15.5 V
C GND
Figure 5. NI PXI-4130 Auxiliary Power Input Connector
Physical Characteristics
Dimensions.......................................... 3U, 1-slot, PXI/CompactPCI
module; 2.0 by 13.0 by 21.6 cm
(0.8 by 5.1 by 8.5 in.)
Weight................................................. 312 g (11 oz)
User-replaceable fuses
Channel 0 (internally socketed)...... 1 Littelfuse 045301.5
(F 1.5 A 125 V)
Auxiliary power input
(front panel-mount)......................... 1, 5 x 20 mm glass fuse
(T 6.3 A L 250 V)
Note: NI recommends Littelfuse 21806.3 for auxiliary power input fuse.
Front panel connectors
Output channels.............................. MINI-COMBICON,
3.81 mm (6 position)
Auxiliary power input ..................... MINI-COMBICON,
3.5 mm (2 position)
Note: Front panel connectors can accept wire gauges from 16 to 28 AWG.
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