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High power drivers

50kHz 12-48V 5A HVLDD

This is a professional driver dedicated for high power infra red laser diodes.

9 Items

Opt Lasers

New

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Price: Tax excl 499,00 USD

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This is a professional driver dedicated for high power infra red laser diodes. It is possible to modulate the current with frequency up to 50kHz. Driver can work with every infrared laser diodes. It is especially dedicated to stacked laser diode systems where diode operating voltage is high (up to 48V).

While operating with stacked laser diodes proper supply voltage must be ensured. In recommendation section there is a formula for maximum input voltage.

Separate laser diode supply voltage input and logic input voltage allows to minimize the switch-on resistance of a power MOSFET. The outer body of a heatsink, made of alluminium, is isolated from all signals of the driver, including GND signal. It allows to mount the driver directly to the metal components in case of additional cooling needed.

Two potentiometers are used to set the values of maximum diode current and bias current.

Attached to the driver are connectors and pins which are used to power and control the unit.

We can also provide the proper power supply unit. Please feel free to contact us with any questions.

Measuring input voltage - shutdown driver when lack of diode voltage.

Recommendations and requirements

Supply voltage range depends on the laser diode system powered. Supply voltage should not exceed 7V over diode operating voltage.

VCC DIODE MAX = (Number of diodes in series) X (Each diode operating voltage) + 7V

For example when using stacked laser diodes where operating voltage is 42V then maximum supply voltage is 49V.

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 internally connected in the driver, always remember to connect GND of the diode line directly to the GND of a PSU not to cause high current flowing through logic GND paths. Driver is provided with 3s softstart which appears after connecting laser diode line to the PSU.

Always use high quality power supply unit with low ripple voltage. Adding large capacitor at the driver input is strongly recommended, but it depends on PSU, wires cross-section and their length.

You should be very careful not to cause short circuit between the + (VCC) of the power supply and -(GND) of the logic input or monitor input, as a thin GND logic paths can be irreparably damaged.

Modulation input can be used as TTL input with its logic levels of 0V and 5V or as an analog input. Analog modulation means that by using 2,5 V on ANG input you get 50% output power, analogically by using 4 V you get 80% output power, etc.

We recommend the use of power cables with cross-section of at least 1,5 mm2.

The current monitor is 1V/1A.

Protection

Driver is not protected against reverse polarity in order to provide maximum performance and speed. We strongly recommend using LASORB protection device mounted close to the diode.

The driver's body is isolated from all signals of the driver and can be mounted directly to the metal heatsinks or other metal parts with use of 4x fi3,3 mounting holes (raster 44x34 mm).

The analog input is protected by a 5V1 Zener diode on occasion there appears the voltage higher than 5V. Despite everything, this input should not be used with higher voltages.

The driver is fitted with a 3s softstart designed to protect laser diodes against switch-on effects.

Additional transil diode is soldered at the input of a driver.

Current Monitor :1 V/A
Logic Supply Voltage :10 - 15 V
Material :Aluminium (heatsink)
Max. Bias (DC Offset) Current :5 (2A offset) A
Max. Modulation Frequency :50 kHz
Modulation Input Voltage Range :0 - 5 V
Pre-Set Current Setting :500 mA
Softstart Time :3000 ms
Transistor Type Used :High power N-MOSFET
Internal part no. :000873

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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