GW Instek GPP-3650 - 385W Triple-Channel Programmable DC Power Supply
GPP-3060, GPP-6030 and GPP-3650 triple-channel programmable DC power supplies are extension models of the GPP-X323 series. The maximum output power of these two models is 385W. GPP-3060 supports CH1/CH2: 0 ~ 60V / 0 ~ 3A output; CH3 of both models supports 1.8V, 2.5V, 3.3V, 5.0V/5A.
GPP-3060 and GPP-6030 inherit the high program resolution (1mV/0.1mA) and read back resolution (0.1mV/0.1mA) of the GPP series with low-ripple noise characteristics ≤1mVrms/≤2mArms and ≤100µs output transient recovery ability. An independent output on-off switch is provided for each channel.
For series and parallel applications of CH1 and CH2, the tracking function can automatically switch to series or parallel output without additional external wiring. Multiple display modes including single channel or multi-channel setting value, measurement value and waveform display to collocate with the built-in output monitoring function allow users to set the monitoring conditions according to their needs so as to generate an alarm or stop the output during the measurement process in order to stop the measurement and protect the customer's DUT. The output recorder function can record the voltage/current of the output process in the internal memory, and save the result as a (*.REC) or (*.CSV) file, and then save it to USB flash drive. The unique load function of the GPP series can arbitrarily set CH1/CH2 as power supply or load function. For example, one channel is set as power output, and the other channel is set as load function to consume the power of the DUT to satisfy simple battery charging and discharging or load characteristic test by a single power supply. The sequence output function allows users to edit the power output waveforms by themselves, and also allows users to set the sequential constant voltage (CV) or constant current (CC) load waveforms such as serial power output or dynamic load simulation test. Channel 3 (CH3) incorporates 3A USB (Type A) output terminal, which can be used for USB charging test.
Pertaining to measurement protections, OVP/OCP/OPP/OTP protection functions are provided. The protection mechanism of OVP/OCP/OTP is implemented by hardware circuits, which has a faster response time to protect equipment or DUT while comparing with competitors who use software for protection. The OVP and OCP functions allow users to set the protection action point according to the conditions or the DUT. OPP only provides protection during the operation of the load function.
In addition, GPP-3060 and GPP-6030 incorporate terminal output on the rear panel, and include a voltage remote sensing terminal. Users can choose front panel or rear panel terminal output, which is convenient for stand-alone or rack operation. Output value setting and Sequence/ The Delay/Recorder functions provide 10 sets of internal memory, which can be uploaded/stored by a USB flash drive. Other than the standard RS-232 and USB Device interfaces, the GPP series also has optional LAN or LAN or LAN + GPIB interfaces to facilitate different user requirements.
- LCD Display
- Number Pad
- Function Keys
- Output Buttons
- USB Host
- Front Panel Output Terminals
- Power Button
- Power Output Terminal (CH3, USB Type)
- AC Selector Switch
- AC Input Socket and Line Fuse
- RS-232 Port
- USB Device Port
- Ext I/O Port
- GPIB Port
- LAN Port
- Rear Output Terminals
|Model Number||Number of Output||Max. Power||CH1||CH2||CH3|
Output Function List
|Sequence Output function||✓||✓||x|
|Load Functions (CC, CV, CR mode)||✓||✓||x|
|Output Delay function||✓||✓||x|
|Output Monitoring Function (10 Sets)||✓||✓||x|
|Output Recorder Function||✓||✓||x|
✓: Support; x: No support
Tracking Series and Parallel Function
For series and parallel applications of CH1 and CH2, the tracking function of the GPP series utilizes the internal circuit to automatically switch the output to serial or parallel output without additional external wiring, providing users with convenience not only in operating procedures but also a more stable output. The tracking function design of other brands requires additional external wiring connections for the output in series or parallel. However, excessively long, thin or inconsistent external wiring may cause inaccurate voltage or current output.
Monitoring function setting
Sequence Output Function
Output waveform of the GPP Series
Hardware Protection Function (OVP/OCP/OTP)
GPP series application
The CH1/CH2 of the GPP series is designed with the load function. A single power supply can meet the basic battery charging and discharging test requirements. It can provide power output in channel 1 and channel 2. The rated constant voltage load (CV), rated constant current load (CC) and maximum lkΩ constant resistance load (CR) function are built-in to allow users to conduct discharging test without using an electronic load. In application, users can also set either that one channel of the single GPP series as the power output, one channel as the load function to consume the power of the DUT, or that both channels as load functions to consume the power of different loads simultaneously.
Output Delay Function
GPP series delayed waveform
Output Recorder Function
Schematic diagram for output recorder function
Recorder function setting
Save as *.REC
Features, Advantages and Benefits
|CH1/CH2 are designed with the load function||
A single GPP series can simultaneously set one channel as the power output, and one channel as the load function to consumethe power of the DUT.
Power output and load test to be conducted by a single power supply
|Linear power output characteristics||Low noise, low ripple power output||Applicable to DUTs requiring low noise power output|
Sequence output function + 8 built-in Templet waveforms
Users edit (*.CSV) on a stand-alone power supply or the PC according to the requirements. Upload it to the powersupply to generate a sequential power output or a dynamic load waveform.
Templet waveform simplifies the steps and time for users to edit sequential waveforms.
Delay output function + 3 built-in waveform timing modes
Users can edit (*.CSV) on a stand-alone power supply or the PC according to their needs and upload them to the powersupply to generate different timing on/off output waveforms.
Three built-in timing modes are to simplify the steps and time for users to edit Delay output waveform.
|Hardware wiring tracking function||
Series Tracking or Parallel Tracking output of CHI and CH2 do not need additional external wiring
Provides users not only convenience for operating procedures, but also a more stable output
Output monitoring function
Users set the monitoring conditions according to the requirements, sound an alarm or stop the output during the measurement process.
While measuring the DUT, it can also protect the DUT.
Output recorder function
The voltage & current parameters of the output process can be recorded as (*.CSV) files for users to export to Excel to conduct analysis.
It is convenient for users to record and analyze the measurement of the DUT.
Standard RS-232, USB, Ext I/O Optional: LAN, LAN+GPIB
Users can select the required communications interfaces according to their needs.
A variety of user interfaces facilitate users.
4.3” TFT LCD Display
Setting resolution: 1mV / 0.1mA read back resolution: 0.1mV / 0.1mA
Low ripple noise: ≦1mVrms/ ≦2mArms
Transient response time: ≦100μs
Load function (CC, CV, CR mode)
Tracking series and parallel function without additional external wiring
Utilizing hardware to realize overvoltage protection / overcurrent protection / over temperature protection
Delay function / output monitoring function / output recorder function
Sequential output function and built- in 8 template waveforms
The output recorder function records the output voltage & current parameters with a minimum recording interval of 1 second.
Provides 10 sets of memory for each sequence/delay/recorder/panel setting condition
GPP-3650 supports a USB (Type A) output terminal
Intelligent temperature control fan effectively reduces noise
Standard: RS-232, USB, Ext I/O Optional (manufacturer installed only): GPIB + LAN or LAN
Constant Voltage Operation
|CH1 & CH2|
Constant Current Operation (CH1 & CH2 only)
|Line Regulation||≤0.01% + 3mA|
|Load Regulation||≤0.01% + 3mA|
|Ripple & Noise||≤2mA|
Tracking Operation (CH1,CH2)
|Tracking Error||≤0.1% + 10mV of Master (No Load, with load add load regulation≤ 200mV)|
|Parallel Regulation||Line: 0.01% + 3mV|
Load: ≤0.01% + 5mV(rating current ≤ 10A)
≤0.02% + 5mV(rating current >10A)
|Series Regulation||Line: ≤0.01% + 5mV|
|Ripple & Noise (5Hz - 1MHz)||≤2mVrms(5Hz-1MHz)|
Meter (CH1 & CH2)
|Voltage Programming Resolution||5 digits|
|Current Programming Resolution||5 digits|
|Voltage Readback Resolution||6 digits|
|Current Readback Resolution||5 digits|
|Voltage Setting Accuracy||≤±(0.03% of reading + 10mV)|
|Current Setting Accuracy||≤±(0.30% of reading + 10mA)|
|Voltage Readback Accuracy||≤±(0.03% of reading + 10mV)|
|Current Readback Accuracy||≤±(0.30% of reading + 10mA)|
|Full Scale Voltage||36.0000V|
|Full Scale Currency||5.2000A|
DC Load Mode
|Chassis and Terminal||20MΩ or above (DC 500V)|
|Chassis and AC Power Cord||30MΩ or above (DC 500V)|
|Operating Humidity||≤80% RH|
|Storage Humidity||≤70% RH|
|Power Consumption||900VA, 680W|
|Dimensions & Weight||213(W) x 145(H) x 362(D)mm; Approx. 10kg|
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