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Compact drivers

5A + PID LPLDD no heatsink

The new version of professional driver for laser diodes with a built-in digital temperature controller using the PID algorithm.

34 Items

Opt Lasers

New

Additional information

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Quantity: - +
Price: Tax excl 67,00 USD

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New version (fourth) of the driver has been released.

 

Main features:

Screw connectors - all in the same size, easier to connect wires

Test jumper - possibility of switching on the driver without external analog signal

Current monitor output - convenient place to measure the current flowing through the diode

Signal diodes: diode enable, TEC, warning

Labels on the board - more intuitive and easier to set

High TEC current - up to 15A

No heat sink

 

Logic part of the driver is powered from TEC line, it allows to use 3,3V PSU to power the infrared diodes without big amount of dissipated heat. TEC part should be connected even if not used to the voltage in 7,5V - 24V range.

 

The subject of the auction is a professional driver for laser diodes with a built-in digital temperature controller using the PID algorithm. Its size allows for mounting it in small devices such as compact laser projectors. It is a fully functioning component ready to be mounted in laser devices. One should provide proper cooling of the power mosfets screwing them to metal heat sink. Without cooling mosfets may be damaged and laser diode burned. Proper silicone pads are included.

 

Despite its small size, the driver is able to work with thermocouples (Peltier modules) such as 12706, 12708, 07113, and many others that draw up to 15 A of current. Despite high current, thanks to using PWM the controller does not heat up. Used PID algorithm learns the behavior of the system, hence quicker reacts to changes in temperature and provides higher accuracy of stabilization. The driver easily handles all laser diodes of up to 5W, and at the customer's request it is possible to customize the driver up to 10A version. Separate laser diode supply voltage input and TEC input enable the selection of any components the driver can work with. Analog input allows for the modulation of the current flowing through the diode up to 100kHz. Two potentiometers are used to set the values of maximum diode current and bias current. The third potentiometer is responsible for setting the setpoint temperature in the range of 0 to 40 degrees Celsius. The possibility to power laser diodes of any wavelength and control the Peltier modules with a rated voltage from 7,5 to 24V and current up to 15A make this driver truly unique and extremely versatile. Diode line can be powered with voltages from 3V up to 24V so it makes it fully functionable for any kind of laser diode.

 

At another auction you can find the same driver with a heat sink. 

 

Recommendations:

The minimum diode input voltage should be higher or equal to 7V, in other situations it is given by the formula:

Vin = 0,4* I + Vd + 0,6V

Vin - input voltage

Vd - diode working voltage

I - desired maximum current

 

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. This input can also be used as PWM input the only requirement is that base frequency of the PWM signal is in range of 5-20kHz,

 

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

 

We recommend the use of power cables with cross-section of at least 0.5 mm2.

 

Protection:

The circuit responsible for powering a laser diode is protected against reversed polarity. High current Schottky diode of an extremely low forward voltage secures the laser diode against connecting reversed voltage with the aim of protecting frequently the most expensive part of the entire device - a laser diode. In turn, the low forward voltage does not cause excessive heat loss during normal operation.

 

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.

 

A microcontroller ensures the proper operation of the entire system.

 

At start the microcontroller is checking the connection with a thermistor. If there is no thermistor used the WARNING LED is blinking but the driver is still working. If the connection with thermistor is lost during normal work, microcontroller turns off the laser diode supply circuit and does not allow for its futher load, it also switch off the DIODE LED and switch on WARNING LED. The TEC line is also switched off. The same situation happens when the thermistor reaches temperature above 50 degrees Celsius

 

The driver is fitted with a two-second softstart designed to protect the laser diode against switch-on effects.

Compliance Voltage :3,3 - 24 V
Dimensions :58x45 mm
Max Ouptut Current, Typ :5 A
Max. Modulation Frequency :100 kHz
Max. TEC Current :15 A
Modulation Input Voltage Range :0 - 5 V
Mounting Hole Spacing :38x48 mm
Pre-Set Current Setting :2000 mA
Softstart Time :2000 ms
Temperature Sensor Type :10k NTC thermistor
Transistor Type Used :N-MOSFET
Temperature Stabilization Accuracy :±0,1 °C
Internal part no. :000638

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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