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Single channel PCB mount High Voltage Power Supply
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A7585D: SMD version
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A7585DU: Through-Hole version
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20÷85 V (10 mA) output range
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Suitable for large SiPM matrix
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Analog and Digital Control (UART and I2C)
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Very low ripple (<0.1 mVpp typical)
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High resolution on voltage and current monitor
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Programmable temperature compensation
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Open-source C library for I2C interfacing of multiple devices available on GitHub repository
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ZEUS Control Software for easy management of the module
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Python Library available on GitHub repository
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USB interface (A7585DU Only)
The A7585D/A7585DU are high voltage regulators specifically designed for SiPM bias. Each has a built in temperature compensation controller with programmable coefficient. The module can be digitally controlled by UART and I2C. A7585DU moreover integrates a USB to UART bridge and it could be powered from USB. Output voltage could be also controlled proportionally to an analog input.
A7585D/A7585DU can provide up to 10 mA and the output voltage could be regulated between 20V and 85V with a resolution of 1 mV. Moreover, the ZEUS control software is provided for free; ZEUS allows to monitor and control multiple modules at same time.
Zeus Software
ZEUS is a Windows compatible software that allows to control multiple A7585DU modules using USB connection. The software is based on a user friendly GUI that allows the parameters configuration and the data logging on file. It integrates real-time plot capabilities (voltage, current and temperature) with the possibility to superimpose measurements from several modules.
ZEUS software is the simplest way to program temperature LUT compensation.
Moreover, a Python Library is available as well.
The Unit is developed in close collaboration with NUCLEAR INSTRUMENTS SRL.
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Technical Specifications
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Packaging |
SMD or Through-hole |
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Supply Voltage |
6 ÷ 28 V |
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Maximum Input Current |
210 mA |
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Maximum Power Consumption |
5 W |
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Temperature Range (no load) |
-10 ÷ +60 °C |
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Storage Temperature |
-20 ÷ +80 °C |
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Output Voltage |
20 ÷ 85 V |
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Voltage Set Resolution |
1 mV |
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Voltage Monitor Resolution |
1.3 mV |
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Output Current |
Low range: 0 ÷ 2.5 mA; High range: 2.5 ÷ 10 mA |
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Current Monitor Resolution |
Low range: 100 nA; High range: 650 nA |
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Output power |
0.5W ± 10% |
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Ramp up/down |
0.1 10000 V/s (step: 1 mV/s) |
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Output Voltage Ripple |
typ. <0.1 mVpp ; max. <0.2 mVpp |
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Vout vs. Vset accuracy |
±0.2%±50 mV |
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Vmon vs. Vout accuracy |
±0.025% |
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Imon vs. Iout accuracy |
Low range: ±0.2%±2µA; High range: ±0.4%±4µA |
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Temperature Stability |
1.25 mV/°C |
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Output Impedance |
10 Ω |
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