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- Automotive＆EV
- ADCMT DC Voltage Current Source Monitor 6253 / 6254
DC Voltage Current Source Monitor
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The DC voltage current source/monitor 6253/6254 is suitable as power source for evaluation of semiconductors and other electronic components and as power source of characteristic systems. In addition to high accuracy, high stability and low noise of our strengths, the 6253/6254 realizes higher precision features such as 5½ digit source resolution, 6½-digit measurement resolution and basis accuracy of ±0.02 %.
Furthermore, the 6253/6254 can support various applications by the sweep functions, high-speed pulse source function with a minimum pulse width of 25 μs, the variable integration function and the newly adopted variable slew rate function.
Features
• Source and measurement range
6253 Voltage: 0 to ±110 V, Current: 0 to ±2 A
6254 Voltage: 0 to ±20 V, Current: 0 to ±20 A
• 5½ source digits and 6½ measurement digits (measurement resolution: 100 nV/1 pA)
• High-speed pulse source with the minimum pulse width of 25 μs
• Variable slew rate function: 10.0 V/s to 99.9 kV/s
• Variable integration function
• Sink-enabled bipolar output
• Voltage and current parallel measurement by twin A/D converters
Applications
DC/DC converter evaluation
The following functions are effective for DC/DC converter characteristic test.
• The input current and the output voltage or current can be measured simultaneously by synchronizing two units.
• ±Source and ±sink by bipolar output.
The 6253/6254 allows 0 V sink which is unavailable by normal electronic load.
Protection of overshoot at capacitive load
When a capacitive load is connected, overshoot occurs at the rising or falling edge and the DUT may be damaged or the output becomes unstable. Using the variable slew rate (SR) function will alleviate voltage waveforms and protect overshoot.
Diode VF temperature dependence evaluation
Pulse current application is effective for power diode characteristic test to avoid the influence of self-heating.
By using the current pulse sweep function and voltage measurement in synchronization with pulses, precise VF characteristic test is available even with large current.
Average current measurement 【Variable Integration Function】
The integration time can be set arbitrarily from 100 μs to 1000 ms, making it easy to measure the average current consumption of cell phones, LCDs, and other devices.
As any integration time of the AD converter itself can be set and analog integration is adopted, there are no omissions in waveforms differently from digital integration, resulting in precise average measurement.
ADCMT DC Voltage Current Source/Monitor 6253
Specifications
| Model | 6253 | 6254 | |
| Number of digits for generation |
5½ | ||
| Output method | Bipolar | ||
| Maximum output
(top) Minimum resolution (bottom) |
Voltage | ±110 V/0.5 A | ±20 V/7 A |
| 5 μV | |||
| Current | ±2 A/32 V | ±20 A/7 V | |
| 50 pA | 5 pA | ||
| Number of digits for
measurement |
6½ | ||
| Accuracy (typical range) | 0.02 % | ||
| Minimum
measurement resolution |
Voltage | 100 nV | |
| Current | 1 pA | 100 pA | |
| Pulse application /
Measurement |
Available | ||
| Minimum pulse width | 25 μs | ||
| Interface | USB/ GPIB/ LAN (option)/ RS232 (option) | ||
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