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High power drivers

5kHz 3-24V 60A HPLDD

This driver is designed to operate high power NIR laser diodes but can be used for a variety of applications.  

6 Items

Opt Lasers

New

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Price: Tax excl 295,00 USD

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Summary

This driver designed to operate high power NIR laser diodes, including devices in series or stacked. It has a modulation bandwidth of 5kHz.  (Note that there is also a version with 20kHz modulation bandwidth.) It can be used to operate 20, 40 or 60W CS-mount 808nm, 940nm and 980nm as well as other similar laser diodes.

 

With this driver, it is possible to power one or several laser diodes in series or one diode stack, which tend to have higher operating voltages. (Refer to formula below for calculating PSU voltage.)


A separate laser diode supply voltage input and logic input voltage minimizes the switch-on resistance of a power MOSFET. The inner layer of the heatsink is made of copper to better facilitate the transfer of heat. The outer body of a heatsink, machined from Aluminium, is isolated from all signals on the driver including the ground. This allows mounting the driver directly to a metal heat sink if additional cooling is required.

 

The modulation input can be used as a TTL input with logic levels of 0V and 5V or as an analog input. The analog modulation is linear over the range of 0 – 5V.  For example, if 2.5V is applied to the analog input, the output current is 50% of the maximum current; 4V results in 80% of maximum current, etc.  Analog input allows for modulation of the current through the diode at a frequency up to 20 kHz. There are two potentiometers on the unit that can be used to set values of maximum laser diode and DC bias (offset) current.
 
Included with the driver are connectors that can be used for the power supply and control inputs.  M5 cap screws are also provided for attaching the driver to a mounting surface such as a heat sink. We can also supply an appropriate power supply unit. Please feel free to contact us with any questions.

 

This product contains is a current monitor output connection for measuring the current through the laser diode while it is operated. The output has a transfer function of 1V/1A.

 

 

Recommendations and Requirements

The allowable supply voltage range depends on the quantity of laser diodes used in series, but it should be no higher than 3V more than required by the laser diodes.  For one laser diode having an operating voltage of approximately 2V, the maximum PSU voltage should not exceed 5V. For two diodes which operating voltage is around 4V, maximum diode input is 7V and so on. Therefore, the maximum input voltage is given by the formula:
     VCC DIODE MAX = (Number of diodes in series) X (Each diode’s operating voltage) + 3V


Always power the logic with 12V before powering up the diode line. Because GND of the diode line and GND of the logic input are connected in the driver, always remember to connect GND of the diode line directly to the GND of a PSU.

 
Always use high quality power supply unit with low ripple voltage. It is suggested to add a large capacitor between the PSU is recommended, but it depends on PSU, wires cross-section and their length. The capacitor used for our tests was 10,000uF / 25V. 

 
It is necessary to be careful when assembling not to cause a short circuit between the +VCC of the power supply and –GND of the logic input or monitor input. Doing so can cause the ground logic paths to be irreparably damaged.
 

Due to the high current through its components, we minimized the voltage drop of the driver and did not add reverse polarity protection. If this is a concern to customers, a protection device mounted close to the laser diode can be used.

 

 

Protections
The driver's body is isolated from all signals of the driver and can be mounted directly to metal heatsinks or other metal parts.
 
The analog input is protected by a 5V1 Zener diode on occasion there appears the voltage higher than 5V. In spite of this, the input should not be used with higher voltages.

 

 

Additional Materials

Click to download user manual

Compliance Voltage :3-24 V
Connector Material :Cooper
Current Monitor :10 mV / 1 A V/A
Driver Dimensions :95x50x30 mm
Driver Mounting Hole Diameter :5,5 mm
Logic Supply Voltage :12 V
Max Ouptut Current, Typ :60 A
Max. Bias (DC Offset) Current :20 A
Max. Modulation Frequency :5 kHz
Max. Power Disipation :200 W
Modulation Input Voltage Range :0-5 V
Mounting Hole Spacing :85x40 mm
Pre-Set Operating Current Setting :10 A
Softstart Time :2000 ms
Transistor Type Used :High power N-MOSFET
Internal part no. :001136

Warranty

We assure 12 month warranty for all electronics and 6 month warranty for laser diodes build in our laser systems.

 

Returns

In order to assure our customers about the quality of our products we accept the returns of the items.

In order to initiate the return process please contact us within 14 days from the delivery receiving date of your items.

We only accept products in their original condition. Please note that we cannot process any products that are returned without our prior knowledge. If you wish to return single or multiple parts of your order please contact with us firstly.

We return money within 14 days after receiving the items. The refund policy does not include the shipping costs.

If optical accesories were open, we are not able to accept return.

 

Shipping

Items are shipped withing three to five working days. All packages are well secured for shipping.

Please note that parcels shipped by 'Economy shipping' are NOT insured despite they are trackable. We strongly recommend using Expedited shipping (UPS Worldwide Express) especially for delivery destinations outside EU.

Clients about us

See all opinion More on
From:ebay.com
Sehr gute Arbeit, sehr innovativ,kompetent und freundlich sehr gern wieder.
From:ebay.com
Ottimo venditore, qualità ottima, veloce e preciso. Consigliato!
From:ebay.com
Just great seller!! All as described!! Very fast shipping!! Highly recommended!!
From:ebay.com
Merci !!! super, excellent systeme, en francais, désolé et encore Merci.
From:ebay.com
Excellent driver! I'm really pleased with the performance. Thank you!
From:ebay.com
Top Ware, schneller Versand, gerne wieder...danke sagt der Kabelservice.
From:ebay.com
Very nice Driver, Competent and friendly support and fast shipping. Thank you.
From:ebay.com
Knowledgeable and responsive seller! Excellent product. Great thanks!
From:ebay.com
Awesome laser driver, this man is building a business with honesty and quality.
From:ebay.com
Very fast shipping to USA. Product exactly as described. Thank you.

Warranty

We assure 12 month warranty for all electronics and 6 month warranty for laser diodes build in our laser systems.

 

Returns

In order to assure our customers about the quality of our products we accept the returns of the items.

In order to initiate the return process please contact us within 14 days from the delivery receiving date of your items.

We only accept products in their original condition. Please note that we cannot process any products that are returned without our prior knowledge. If you wish to return single or multiple parts of your order please contact with us firstly.

We return money within 14 days after receiving the items. The refund policy does not include the shipping costs.

If optical accesories were open, we are not able to accept return.

 

Shipping

Items are shipped withing three to five working days. All packages are well secured for shipping.

Please note that parcels shipped by 'Economy shipping' are NOT insured despite they are trackable. We strongly recommend using Expedited shipping (UPS Worldwide Express) especially for delivery destinations outside EU.

Clients about us

See all opinion More on
From:ebay.com
Sehr gute Arbeit, sehr innovativ,kompetent und freundlich sehr gern wieder.
From:ebay.com
Ottimo venditore, qualità ottima, veloce e preciso. Consigliato!
From:ebay.com
Just great seller!! All as described!! Very fast shipping!! Highly recommended!!
From:ebay.com
Merci !!! super, excellent systeme, en francais, désolé et encore Merci.
From:ebay.com
Excellent driver! I'm really pleased with the performance. Thank you!
From:ebay.com
Top Ware, schneller Versand, gerne wieder...danke sagt der Kabelservice.
From:ebay.com
Very nice Driver, Competent and friendly support and fast shipping. Thank you.
From:ebay.com
Knowledgeable and responsive seller! Excellent product. Great thanks!
From:ebay.com
Awesome laser driver, this man is building a business with honesty and quality.
From:ebay.com
Very fast shipping to USA. Product exactly as described. Thank you.

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