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250/500 mA Laser Diode Drivers


  • IP500, 500 mA Laser Diode Driver
  • IP250-BV, 250 mA Blue Laser Diode Driver
  • IP500P, Mounting Plate

IP250-BV

Application Idea

IP500 with IP500P

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IP250-BV

  • 250 mA Blue Laser Diode Driver
  • Also Recommended for Driving LEDs
  • Input Power Requirements: ±12 VDC @ 275 mA
  • Control Range: 0 to ±250 mA (CC), 5 μA to 2 mA (CW)
  • 0 to 10 V Analog Modulation Bandwidth: DC to 50 kHz
  • Optimized for Lasers with Vop Greater than 5 V

The IP250-BV is a 250 mA (medium power), board level laser diode controller optimized for the higher operating voltages of the blue and the blue-violet laser diodes. The driver is in the form of a PCB assembly with provisions for mounting into other higher level assemblies. It can accommodate only common cathode (cathode grounded) laser diode pin-out configurations, and it allows control of the laser by means of either constant current or constant power modes. The driver contains circuitry for complying with the various laser safety requirements, as well as protection circuitry for the laser diode.

The primary application for this product is to provide a method of precisely controlling a blue or blue-violet laser diode at the PCB board level or within the confines of a higher level assembly. In all cases, the end-user must provide DC power and the proper connections between the unit and the laser diode. In addition to this, the end-user is responsible for the proper limit settings needed for their particular laser diode and application.

IP500

  • Supports All Laser Diode/ Photo Diode Pin Configurations
  • Also Recommended for Driving LEDs
  • Constant Current and Constant Power Operation
  • User Configurable Current and Power Limits
  • Laser Diode Inputs Shorted During Idle Operation to Protect the Device
  • Auto-alarm Shutdown When Laser Connection is Open or Reversed
  • Includes Input and Output Wires
  • Test Points for Laser Diode Current, Monitor Photo Diode Current, Current Limit and Power Limit Setpoints

The IP500 is a universal 500 mA board level driver. Designed for use within higher level assemblies, while being value priced as a laboratory diode driver. This versatile device can easily and safely control all the Laser Diode/ Photo Diode pin configurations used in Thorlabs' 5.6 mm and 9 mm TO-can laser diodes. The IP500 is compatible with all pin configurations that are housed in a 5.6 mm or 9 mm TO-can package. Operating in either constant current or constant power mode, this driver can be enabled on the board itself or over a remote switch connection. Connections are provided for remote interlocks and remote monitoring. Wire harnesses for all required connections are provided with the unit.

IP500P

Both the IP250-BV and the IP500 can be secured to an optical table or breadboard with the IP500P Mounting Plate. This aluminum plate has a centered, slotted screw clearance on each end, with four 4-40 holes for mounting spacers, which allow 1/4 inch standoffs from the plate. In addition, the plate features two mounting holes (one 8-32 and one M4), thereby allowing the plate to be mounted to a standard post. The IP250-BV or IP500 can be secured on the standoffs while the plate is secured to the breadboard or table. The plate acts as a heat sink, and enables the drive current to double, reaching up to 500 mA for the IP250-BV and 1000 mA for the IP500.

IP250-BV Specifications
Input Power Requirements ±12 VDC @ 275 mA
Constant Current Mode
Control Range 0 to ±250 mA
Setting Accuracy ±0.5 mA
Compliance Voltage 8.0 VDC (Max)
Ripple & Noise (10 Hz - 10 MHz) <10 μA RMS
Short-Time Fluctuations <50 μA
Temperature Coefficient <100 ppm/°C
Drift (<10 Hz Over 30 minutes) <100 μA
Limit Adjust Range 0 to 250 mA
Limit Accuracy ±1% of Limit Setpoint
Constant Power Mode
Control Range Photo Diode Current 5 μA to 2 mA
Setting Accuracy ±2 μA
Drift (<10 Hz Over 30 minutes) <1 μA
Limit Adjust Range 0 to 2.5 mA
Limit Accuracy ±2 μA
Analog Modulationa / Control Voltage
Input Resistance 10 kΩ
Bandwidth DC to 50 kHz
Transfer Function (ACC Mode) 25 mA/V
Input Range 0 to 10 V
Analog Monitor Outputsb
Ilim 0 to 250 mV = 0 to ±250 mA
ILD 0 to 250 mV = 0 to ±250 mA
IPD 0 to 2.0 V = 0 to 2.0 mA
Plim 0 to 2.5 V = 0 to 2.5 mA
Physical Specifications
Dimensions (L x W x H) 5.0" x 2.5" x 0.8"
(127 mm x 63.5 mm x 20.3 mm)
Weight 1.5 lbs (0.68 kg)
  • The driver for the IP250-BV can only be modulated with a sinusoidal waveform.
  • All outputs are single-ended with respect to ground.

IP250-BV Pin Codes

IP250-BV Pin Codes

IP500 Specifications
Input Power Requirements ±5 VDC @ 600 mA
(+4.75 to +5.25 V and -4.75 to -5.25 V)
Constant Current Mode
Control Range 0 to ±500 mA
Setting Accuracy ±0.5 mA
Compliance Voltage >3.0 VDC
Ripple & Noise (10 Hz - 10 MHz) <10 μA RMS
Short-Time Fluctuations <50 μA
Temperature Coefficient <100 ppm/°C
Drift (<10 Hz Over 30 minutes) <100 μA
Limit Adjust Range 0 to 500 mA
Limit Accuracy ±1% of Limit Setpoint
Constant Power Mode
Control Range Photo Diode Current 5 μA to 2 mA
Setting Accuracy ±2 μA
Drift (<10 Hz Over 30 minutes) <1 μA
Limit Adjust Range 0 to >2.5 mA
Limit Accuracy ±2 μA
Analog Modulationa / Control Voltage
Input Resistance 10 kΩ
Bandwidth DC to 50 kHz
Transfer Function (ACC Mode) 50 mA/V
Input Range 0 to 10 V
  • The driver for the IP500 can only be modulated with a sinusoidal waveform.

1
IP500 Pin Codes

IP250-BV/IP500 Connector Assignments

IP250-BV Connector Assignments

 

J5 Connector Type: Standard 0.1" Spaced Header
Pin Designation
J5-1 TP Ground
J5-2 ILIM Test Point
J5-3 ILIM Adjust
J5-4 IALARM
J5-5 PLIM Test Point
J5-6 PLIM Adjust
J5-7 Alarm
J5-8 PMON Test Point
J5-9 P/I Adjust
J5-10 Enable
J5-11 IMON Test Point
J5-12 2.5 Vref

 

J4 Connector Type: Molex 70543-0005
Pin Designation
J4-1 Remote Enable Input
J4-2 Remote Enable Return (Common to Ground)
J4-3 Keylock Input
J4-4 Keylock Return (Common to Ground)
J4-5 Remote Interlock Input
J4-6 Remote Interlock Return (Common to Ground)
J1 Connector Type: Molex 70543-0002
Pin Wire Color Designation
J1-1 Red IP250-BV: +12 VDC In
IP500: +5 VDC In 
J1-2 Black Common
J1-3 Yellow IP250-BV: -12 VDC In
IP500: -5 VDC In

 

J2 Connector Type: Molex 70543-0003
Pin Designation
J2-1 LDA (+) or LDC (-)
J2-2 Ground LDC (+) or LDA (-)
J2-3 Photodiode Cathode
J2-4 Photodiode Anode

 

J3 Connector Type: BNC
Pin Designation
J3 0 - 10 VDC Modulate In

 

JMP3 Connector Type: Standard 0.1" Spaced Shorting Jumper (Supplied with Unit)
Pin Designation
JMP3-1 Ground
JMP3-2 Photodiode Cathode
IP250-BV SmartPack Packaging
Click to Enlarge

IP250-BV Packaging

Smart Pack

Item #% Weight
Reduction
CO2-Equivalent
Reductiona
IP250-BV 22.78% 1.50 kg
IP500 21.58% 2.14 kg

Smart Pack

  • Reduce Weight of Packaging Materials
  • Increase Usage of Recyclable Packing Materials
  • Improve Packing Integrity
  • Decrease Shipping Costs

Thorlabs' Smart Pack Initiative is aimed at waste minimization while still maintaining adequate protection for our products. By eliminating any unnecessary packaging, implementing packaging design changes, and utilizing eco-friendly packaging materials for our customers when possible, this initiative seeks to improve the environmental impact of our product packaging. Products listed above are now shipped in re-engineered packaging that minimizes the weight and the use of non-recyclable materials.b As we move through our product line, we will indicate re-engineered packages with our Smart Pack logo.

  • Travel-based emissions reduction calculations are estimated based on the total weight reduction of packaging materials used for all of 2013’s product sales, traveling 1,000 miles on an airplane, to provide general understanding of the impact of packaging material reduction. Calculations were made using the EPA’s shipping emissions values for different modes of transport.
  • Some Smart Pack products may show a negative weight reduction percentage as the substitution of greener packaging materials, such as the Greenwrap, at times slightly increases the weight of the product packaging.

Posted Comments:
honglhk123  (posted 2013-08-07 15:50:39.983)
Can I use DC pulse(square wave) for DC input? Thanks.
jlow  (posted 2013-08-08 15:56:00.0)
Response from Jeremy at Thorlabs: You can use a switched-mode power supply but they are in general noisier than a linear power supply. The noise specification cannot be guaranteed in that case.
jjurado  (posted 2011-02-01 17:57:00.0)
Response from Javier at Thorlabs to jahr: Thank you very much for submitting your inquiry. We would recommend using the IP250-BV for driving the LP405-SF10, since the maximum compliance voltage of this driver is 8 VDC, and the operating voltage of the laser diode (5 VDC)exceeds that of the IP500 (3 VDC). The driver includes the necessary wire harnesses and sockets in order to connect to the laser diode, so they do not need to be ordered separately. Furthermore, it is recommended to use temperature control in order to preserve the lifetime of the laser pigtail, so a driver like the ITC4001 along with the LM9LP temperature controlled mount would be recommendable. I will contact you directly in case you have additional questions.
jahr  (posted 2011-01-28 16:52:26.0)
it looks as though either the IP250-BV or the IP500 is compatible with driving the LP405-SF10 LD. Is that correct? Do either of them come with a B connector? Do you sell those separately. Thanks.

Laser Diode Controller Selection Guide

The tables below are designed to give a quick overview of the key specifications for our laser diode controllers and dual diode/temperature controllers. For more details and specifications, or to order a specific item, click on the appropriate item number below.

Current Controllers
Item # Drive Current Compliance Voltage Constant Current Constant Power Modulation Package
LDC200CV 20 mA 6 V Yes! Yes! External Benchtop
VLDC002 25 mA 5 V Yes! - Int/Ext OEM
LDC201CU 100 mA 5 V Yes! Yes! External Benchtop
LD2000R 100 mA 3.5 V - Yes! External OEM
EK2000 100 mA 3.5 V - Yes! External OEM
LDC202C 200 mA 10 V Yes! Yes! External Benchtop
KLD101 230 mA ≤10 V Yes! Yes! External K-Cube™
IP250-BV 250 mA 8 Va Yes! Yes! External OEM
LD1100 250 mA 6.5 Va - Yes! -- OEM
LD1101 250 mA 6.5 Va - Yes! -- OEM
EK1101 250 mA 6.5 Va - Yes! -- OEM
EK1102 250 mA 6.5 Va - Yes! -- OEM
LD1255R 250 mA 3.3 V Yes! - External OEM
LDC205C 500 mA 10 V Yes! Yes! External Benchtop
IP500 500 mA 3 V Yes! Yes! External OEM
LDC210C 1 A 10 V Yes! Yes! External Benchtop
LDC220C 2 A 4 V Yes! Yes! External Benchtop
LD3000R 2.5 A -- Yes! - External OEM
LDC240C 4 A 5 V Yes! Yes! External Benchtop
LDC4005 5 A 12 V Yes! Yes! Int/Ext Benchtop
LDC4020 20 A 11 V Yes! Yes! Int/Ext Benchtop
  • When using a 12 V power supply.
Dual Temperature and Current Controllers
Item # Drive Current Compliance Voltage TEC Power (Max) Constant Current Constant Power Modulation Package
VITC002 25 mA 5 V >2 W Yes! - Int/Ext OEM
ITC102 200 mA >4 V 12 W Yes! Yes! Ext OEM
ITC110 1 A >4 V 12 W Yes! Yes! Ext OEM
ITC4001 1 A 11 V >96 W Yes! Yes! Int/Ext Benchtop
CLD1010LPa 1.0 A >8 V >14.1 W Yes! Yes! Ext Benchtop
CLD1011LPb 1.0 A >8 V >14.1 W Yes! Yes! Ext Benchtop
CLD1015c 1.5 A >4 V >14.1 W Yes! Yes! Ext Benchtop
ITC4002QCLd 2 A 17 V >225 W Yes! Yes! Int/Ext Benchtop
ITC133 3 A >4 V 18 W Yes! Yes! Ext OEM
ITC4005 5 A 12 V >225 W Yes! Yes! Int/Ext Benchtop
ITC4005QCLd 5 A 20 V >225 W Yes! Yes! Int/Ext Benchtop
ITC4020 20 A 11 V >225 W Yes! Yes! Int/Ext Benchtop
  • Combined controller and mount for pigtailed laser diodes in TO can packages with A, D, E, or G pin codes only.
  • Combined controller and mount for pigtailed laser diodes in TO can packages with B, C, or H pin codes only.
  • Combined controller and mount for laser diodes in butterfly packages only.
  • Enhanced compliance voltage for QCL operation.

We also offer a variety of OEM and rack-mounted laser diode current & temperature controllers (OEM Modules, PRO8 Current Control Rack Modules, and PRO8 Current and Temperature Control Rack Modules).

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
IP250-BV Support Documentation
IP250-BV250 mA Blue Laser Diode Driver
$347.36
Today
IP500 Support Documentation
IP500500 mA Universal Laser Diode Driver
$381.99
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IP500P Support Documentation
IP500PLaser Driver Mounting Plate for IP500 & IP250-BV
$25.53
Today
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