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LED Driver for High-Power and Mounted LEDs![]()
DC2200 Touchscreen Display Main Menu DC2200 LED DriverBack Panel of the DC2200 Driver ![]() Please Wait
Features
The DC2200 LED Driver is designed to power many of Thorlabs' LEDs, including the Solis High-Power LEDs for Microscopy, Thorlabs' Mounted LEDs, and Thorlabs' Fiber Coupled LEDs. The driver can provide a maximum LED current of up to 10 A and maximum forward voltage of up to 50 V. A list of current / forward voltage combinations outlined in the table to the right. The back panel includes two LED connection terminals for compatibility with all of Thorlabs' high-power and mounted LEDs. The LED1 terminal is a female 12-pin Neutrik MiniCON connector that accommodates high-power LEDs that require drive currents up to 10 A. The LED2 terminal has a female 4-pin M8x1 connector designed for lower-power LEDs that require drive currents of ≤2 A. The two inputs are visible in the back view of the driver housing shown above. LED compatibility information is provided in the LED Options table below. While two LEDs can be connected to the driver, only one LED can be driven at a time. For cases where two LEDs are connected simultaneously, the front panel of the driver can be used to select which LED recieves the drive current. The driver can either be controlled locally via the device front panel, as shown in the screenshot above, or from a PC using the USB 2.0 port on the back of the device and the included software package (see the Software tab). The main menu of the front panel's touch screen display allows the user to select between operating the LED in constant current mode or brightness mode, internally or externally pulsed modes, and TTL modulation. In addition to reading data stored in the EEPROM memory of LEDs with this feature, the driver can also initiate a test procedure to measure the LED forward voltage, from which it can determine the maximum current limit. More information on the operating modes can be found on the Display tab. In addition to the USB 2.0 port and LED connection terminals, the back of the housing includes an SMA input for the external modulation signals, an interlock circuit that can be connected to a user-supplied emergency off switch, and grounded jack that can be used with ESD protection equipment. See the Front & Back Panel tab for a diagram of the back of the housing. Each DC2200 includes two auxiliary cables for connecting custom LEDs for the driver. One cable has a male 12-pin Neutrik MiniCON connector that is compatible with the LED1 terminal. The second cable (Item # CAB-LEDD1) has a male M8x1 connector compatible with the LED2 terminal. Additional CAB-LEDD1 cables are available for purchase separately below. The DC2200 electronics are contained in a compact 112.0 mm x 85.0 mm x 190.3 mm (4.41" x 3.35" x 7.49") housing which rests on four rubber feet. Each unit includes a universal (100 - 240 V) power supply with a location-specific power cord.
DC2200 Front Panel
DC2200 Back Panel
The DC2200 LED Driver's interface consists of a flat menu hierarchy that makes it easy to find parameters to adjust. The screenshots below provide examples of the main functions supported by the driver, including constant current, brightness, and modulation operating modes. Main Menu
LED Settings
Constant Current Mode
Brightness Mode
Pulse Width Modulation (PWM) Mode
Pulse Mode
Internal Modulation Mode
External Modulation Mode
TTL Modulation
System Settings
DC2200 Pin DiagramsLED1 Terminal
|
Pin | Connection | Pin | Connection |
---|---|---|---|
1 | LED Cathode | 7 | LED Anode |
2 | LED Cathode | 8 | LED Cathode |
3 | Not Used | 9 | LED Cathode |
4 | LED Anode | 10 | Not Used |
5 | LED Anode | 11 | EEPROM (Data) I/O |
6 | LED Anode | 12 | EEPROM (Data) Ground |
Pin | Description |
---|---|
1 | LED Anode |
2 | LED Cathode |
3 | EEPROM GND |
4 | EEPROM I/O |
0 to 5 V, 0 to 250 kHz External Modulation
(See Specs Tab for Details)
*USB type A to mini-B cable included.
A custom high-power LED that draws up to 10 A of current can be connected to the LED1 Terminal using the CAB-DC2200 cable, which is included with the DC2200. When wiring the cable to a custom LED, all four cathode wires should be attached to the LED Cathode and all four anode wires should be attached to the LED anode in order to take advantage of the driver's maximum supported current of 10.0 A.
Pin | Wire Color | Description |
---|---|---|
1 | Green | LED Cathode |
2 | Yellow | LED Cathode |
3 | Gray | 6 V - 13 V for Fan Power Supply |
4 | Orange | LED Anode |
5 | Blue | LED Anode |
6 | Red | LED Anode |
7 | Black | LED Anode |
8 | White | LED Cathode |
9 | Brown | LED Cathode |
10 | Violet | Ground for Fan Power Supply |
11 | White and Black Striped | DO NOT CONNECT |
12 | White and Brown Striped | DO NOT CONNECT |
A custom LED that draws up to 2 A of current can be connected to the LED2 Terminal using the CAB-LEDD1B cable.
Pin | Wire Color | Description |
---|---|---|
1 | Brown | LED Anode |
2 | White | LED Cathode |
3 | Black | DO NOT CONNECT |
4 | Blue | DO NOT CONNECT |
The available software can be downloaded by clicking on the link below.
The following items are included in the DC2200 package:
LED Terminal | LED1 | LED2 |
---|---|---|
LED Current / Max LED Forward Voltagea |
1.0 A / 50.0 V 2.0 A / 35.0 V 4.0 A / 15.0 V 5.0 A / 10.0 V 10.0 A / 5.0 V |
1.5 A / 50.0 V 2.0 A / 35.0 V |
LED drivers are current sources, meaning that they supply a user-set current at the specified forward voltage of the LED being driven. In addition to a maximum current, these drivers also have a corresponding maximum voltage that they are capable of supporting, so both specifications must be taken into account when determining driver compatibility with a given LED.
The DC2200 is designed to use one of five current ranges for LEDs connected to terminal LED1 or one of two current ranges for LEDs connected to terminal LED2 in order to maximize the forward voltage available for driving the LED. Preset current ranges and the associated maximum available forward voltage are given in the table to the right. When determining LED compatibility, the LED Current / Max LED Forward Voltage can be interpreted as follows:
and so on. Therefore, LED compatibility should be determined by choosing the smallest LED Current value that is larger than the LED operating current and comparing the corresponding Max Forward Voltage value to that specified for the LED. LEDs with a forward voltage smaller than the stated maximum voltage for the drive current are compatible.
Example 1 - Compatible LED: An LED with a connector compatible with the LED1 terminal is going to be driven with a forward voltage of 8 A and has a forward voltage of 4.8 V. Therefore, the 10.0 A current rating for the DC2200 driver should be used to determine compatibility. The corresponding Max LED Forward Voltage for the DC2200 is 5.0 V, so an LED driven at 8 A with a forward voltage of 4.8 V is compatible.
Example 2 - Incompatible LED: An LED with a connector compatible with the LED1 terminal is going to be driven with a forward voltage of 4.2 A and has a forward voltage of 11 V. Therefore, the 5.0 A current rating for the DC2200 driver should be used to determine compatibility. The corresponding Max LED Forward Voltage for the DC2200 is 10.0 V, so an LED driven at 4.2 A with a forward voltage of 11 V is incompatible.
In actuality, the maximum possible forward voltage will scale inversely with the amount of current supplied by the driver: higher currents result in lower maximum forward voltage values that the driver can support before being damaged. The specified LED Current / Max Forward Voltage pairs are set so that the driver can support at least the specified forward voltage at the upper limit of the current range. The three graphs below provide examples of the actual measured maximum voltage provided by a DC2200 driver for three of the preset current ranges on the LED1 terminal: 2 A, 4 A, and 10 A. The exact performance will show some variation between drivers, but will always be within the specifications stated above.
Posted Comments: | |
Lee Aspitarte
 (posted 2019-12-09 21:00:04.45) Hi, I am attempting to switch a M590F3 LED with a DC2200 driver with a TTL signal. I am noticing that there is a decay of the LED brightness when switching on the order of a few milliseconds. i.e. I still register a small signal when acquiring with my spectrometer (for 5 ms) a few ms after sending the TTL low signal, while the following acquisition ~10ms is totally dark. I am switching between 0 and 12 mA.
This does not make sense to me with the cited modulation rates of ~100kHz which I take to mean the LED should be off ~10 microseconds after the TTL low pulse. It's possible that what is going on is something else within my setup but I want to confirm that the LED turning off ~10us after the off TTL pulse is the expected behavior. Is there anything I can do with the DC2200 to make the LED turn off faster? I notice that the 'dark' state of the LED in TTL mode corresponds to ~1V forward bias, which I assume is to reduce the turn on time. dpossin
 (posted 2019-12-12 08:29:35.0) Hello Lee
Thank you for your feedback. In TTL mode the modulation frequency of the DC2200 is limited to 18kHz which corresponds to ~ 0.05s. The instrument is only able to provide modulation frequencies up to 100kHz for analog modulation. The Low and High TTL level can be adjusted in the TTL Modulation Mode menu of the DC2200 (see in the manual page 19 for further information). The maximum possible modulation frequency also depends on the fall and rise time of the diode itself and can be even lower than 18kHz. Paul Alvarez
 (posted 2019-07-24 21:07:51.853) Recently bought DC2200 and installed the software as mentioned but the remote connection is not working. MKiess
 (posted 2019-07-29 08:31:01.0) This is a response from Michael at Thorlabs. Thank you for your inquiry. You seem to have the same issue as described in Tommy Ringuette's feedback. I have contacted you directly for further assistance. Bruno Bernardo Alfonso
 (posted 2019-07-15 16:24:41.81) Just wanted to write because of a bug that is probably in the newest driver version. I have bought the dc2200 driver and installed the newest software version and when I try to connect it to my computer and click to the "Connect" green button, TMC-ID starts flashing and it doesn't connect. I talked to one of your agents and told me it is a bug and you are already working on it.
Hope it works soon! Please, I really need the software!
Thanks a lot! MKiess
 (posted 2019-07-29 08:38:37.0) This is a response from Michael at Thorlabs. Thank you so much for contacting Thorlabs. If the LED is not connected or not connected correctly, the device will not be switched to the remote state. Please check the LED connection at the controller. I contacted you directly to continue our discussion. Tommy Ringuette
 (posted 2019-07-03 11:31:50.497) Hi,
I updated the firmware of our DC2200 to 1.2.0 and the remote control stop working. When I try to connect, the screen the button “local” flash once and then TMC-ID flash a few times. MKiess
 (posted 2019-07-09 05:08:13.0) This is a response from Michael at Thorlabs. Thank you for your inquiry. When the DC2200 is in remote mode, some additional information appears in the status bar of the display. The information LOCAL appears, when the LOCAL button was pressed during the remote operation. The unit is then operable locally but returns to remote mode with the first received remote command. TMC-ID flashes a few times when a remote identification request is received. After receiving the first remote command, the device is set to the remote state. Jim Jacob
 (posted 2019-03-16 17:00:18.943) I ordered a DC2200 a few weeks ago. When it works, it is great for my application. The problem is that the touch screen is intermittent. The unit comes up in the Int Mod mode, and is difficult to switch out to another mode. The touch screen seems to have a problem. nreusch
 (posted 2019-03-22 09:48:50.0) This is a response from Nicola at Thorlabs. Thank you for reporting this issue. I will contact you directly for further assistance. jimjacob
 (posted 2019-02-09 19:04:13.22) Can the DC2200 be externally triggered to provide pulsed light pulses? I want to generate a 20 microsecond long pulse on demand, at a pule rate up to 30Hz. nreusch
 (posted 2019-02-15 10:45:03.0) This is a response from Nicola at Thorlabs. Thank you for your inquiry. Yes, you can trigger DC2200 externally by using the external trigger SMA input. The bandwidth of this port is DC to 250 kHz, so you will be able to use it at rates of 30 Hz. hiqoqo
 (posted 2018-01-22 17:04:14.56) Dear
I am reading the manual to buy DC2200 and I want to know how to operate TTL and external modulation. I don't understand their principle. In manual, there have not detailed information. Please give me the detail information of TTL and external modulation. Thank you. swick
 (posted 2018-01-26 05:48:02.0) This is a response from Sebastian at Thorlabs. Thank you for the inquiry.
With external modulation it is possible to modulate the signal in triangle, sinusoidal and further waveforms.
In TTL modulation mode only rectangular shaped pulses are possible.
I contacted you directly for further assistance. massimo
 (posted 2017-07-26 16:00:43.17) Is it possible to find information about operating this unit in Linux with the NI-VISA back-end and PyVISA? I'm using CentOS 7 with NI-VISA 17.0 for Linux, but PyVISA seems to say that no instrument has been found on the USB.
I've been able to correctly communicate with the DC2200 with PyVISA in Windows10, with installed NI-VISA 17.0 for Windows, but thus far I couldn't do the same in CentOS.
Any hint would be really useful. wskopalik
 (posted 2017-07-27 10:22:07.0) This is a response from Wolfgang at Thorlabs. Thank you very much for your inquiry.
Unfortunately, we have no experience with operating the DC2200 on a Linux system. The software as well as the drivers are only available for Windows. Your approach however sounds promising. Basically you could use the NI-VISA interface to build up a connection to the DC2200. Then you could send SCPI commands to the DC2200 and control it that way.
I will contact you directly to discuss the issues you have with PyVISA in more detail. charmlee
 (posted 2017-05-25 17:41:27.36) Could I use external trig to turn on/off Pulse mode?
ie. When TTL high, DC2200 continue output Pulse (1 us on follow by 5 us off) and when TTL low, DC2200 stop output. swick
 (posted 2017-05-30 03:06:25.0) This is a response from Sebastian at Thorlabs. Thank you for the inquiry.
At DC2200 the SMA connector (MOD IN/OUT) at the rear panel accepts TTL signals but TTL Low Level corresponds to LED OFF and TTL High Level to LED ON. I will contact you directly to provide further assistance. raphael
 (posted 2017-04-10 09:21:36.587) Hello. Does the DC2200 show ripples in the LED drive current?
Thanks swick
 (posted 2017-04-18 04:02:55.0) This is a response from Sebastian at Thorlabs. Thank you for the inquiry.
For DC2200 the Noise and Ripple (1 Hz to 10 MHz, RMS, Typical) is specified with
Current Range: 0.0 to 2.0 A<110 µA (LED2 Terminal)
Current Range: 0.0 to 4.0 A<100 µA (LED1 Terminal)
Current Range: 4.0 to 10.0 A<200 µA (LED1 Terminal) user
 (posted 2016-10-28 12:53:26.977) Can I use the DC2200 to drive non-Thorlabs LEDs? swick
 (posted 2016-10-31 04:08:54.0) This is a response from Sebastian at Thorlabs. Thank you very much for your inquiry.
Yes, it is possible to drive non-Thorlabs LEDs with DC2200.
Each DC2200 includes two auxiliary cables for connecting custom LEDs to the driver. One cable has a male 12-pin Neutrik MiniCON connector that is compatible with the LED1 terminal. The second cable (Item # CAB-LEDD1) has a male connector compatible with the LED2 terminal. reynolds.gw.2
 (posted 2016-09-30 07:58:02.04) Can you supply me the command set for integrating this LED driver into custom software?
Thanks,
Geoff swick
 (posted 2016-09-30 08:29:03.0) This is a response from Sebastian at Thorlabs. Thank you very much for your inquiry. You can find information on how to write your own application for DC2200 in the manual at page 37 and following.
I have contacted you directly for providing assistance. bruce
 (posted 2016-09-20 12:56:30.61) Hi,
I'd like to ask for the Trigger Latency. I want to drive the SMA modulation input connector with a TTL signal, and I'd like to know how long it will take, following a rising edge on the TTL input, for a ThorLabs M470L3-C5 LED source to reach full output illumination.
Please reply by email.
Thank you,
Bruce swick
 (posted 2016-09-22 03:22:43.0) This is a response from Sebastian at Thorlabs. Thank you very much for your inquiry. I will contact you directly to provide requested information. avinashiiser1042
 (posted 2015-11-16 11:22:06.227) Hi,
I am a graduate student at Simon Fraser University. We are planning to buy an LED source for illumination for one of our projects. We want an LED source that should flash with really short exposure (~ 100 KHz). I found DC2200 very interesting and relevant. Can we operate it at around 100 KHz with pulse width around 1 microsecond?
Avinash Kumar shallwig
 (posted 2015-11-17 04:13:36.0) This is a response from Stefan at Thorlabs. Thank you very much for your inquiry. Depending on the needed waveform 100 kHz might be out of the specifications the driver has. If you need for example square pulses the cutoff frequency for sharp square signals lies at about 20 kHz as stated for the PWM mode in the spesc:http://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=9117&pn=DC2200#9171
The modulation capabilities may also be limited by the LED you want to modulate. I will contact you directly to check which LED at which current and waveform you need to modulate and we will check if the DC2200 can fulfill your needs. |
Thorlabs offers two options for driving our Solis LEDs. The DC20 is a basic option that allows users to control the intensity of their LED using a control knob on the top or via an external TTL signal for modulation. For more advanced applications, our DC2200 drivers provides a touchscreen interface that allows users to control the LED current, select internal or external modulation modes, and more. The table below provides a comparison of key controller features.
Solis LED Driver Selection Guide | ||
---|---|---|
Item # | DC20 | DC2200 |
Photo (Click to Enlarge) | ![]() |
![]() |
LED Current / Forward Voltage (Max) | 1 to 10 A / 5.0 to 14.0 Va | 1.0 A / 50.0 Vb 2.0 A / 35.0 Vb 4.0 A / 15.0 Vb 5.0 A / 10.0 Vb 10.0 A / 5.0 Vb |
Noise and Ripple (1 Hz to 10 MHz, RMS, Typical) |
<400 µA | <100 µA from 0.0 to 4.0 A <200 µA from 4.0 to 10.0 A |
Internal Modulation Modes | - | 0.1 Hz to 20 kHz (PWMc Mode) 1 µs to 10 s On or Off Time (Pulse Mode) 20 Hz to 100 kHz (Internal Modulation Mode with Sine, Square, Triangle Waveforms) |
External Modulation (Arbitrary Waveform) |
- | DC - 250 kHz [Small Signal Bandwidth (Sine)]d |
TTL Modulation (External) | DC to 1 kHz (Square Wave, PWMc) | DC to ≥18 kHze |
LED Control Interface | Knob to Control LED Current, BNC Port for TTL Modulation |
Easy-to-Navigate Touchscreen Interface, Brightness and Constant Current Operating Modes, Internal and External Modulation Modes, SMA Port for External Modulation Accepts TTL Signal or Waveform from a Function Generator, USB Interface for Remote Control |
Current Limit | Automatically Read and Set from the Solis LED's Internal Memory to Protect the LED from Overdriving | |
External Software Interface | No | DC2200 GUI |
Other Compatible LEDs | - | Mounted Collimated Fiber Coupled MCPCB Mountedf |
![]() Male M8x1 Connector |
Pin | Description | Wire Color |
---|---|---|---|
1 | LED Anode | Brown | |
2 | LED Cathode | White | |
3 | EEPROM GND | Black | |
4 | EEPROM IO | Blue |
The 4-Pin M8 connection cable can be used to connect the high-power LEDs on metal core PCB or other custom LEDs to the following Thorlabs LED drivers: LEDD1B, DC2200, DC4100, and DC4104 (the latter two require the DC4100-HUB).
Pin Connection - Male
The diagram above shows the male connector for use with the above Thorlabs LED drivers. The connector is a standard M8x1 sensor circular connector. Pins 1 and 2 are the connection to the LED. Please note that the pin connection diagram shown here may not be valid for third-party LED drivers.
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