Difference between revisions of "Intensify Nx50"

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(Mechanical & environmental)
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'''Intensify Nx 50''' is a stackable constant current laser diode bar driver delivering up to 150A CW current. Parallel capability allows stacking multiple Intensify boards to scale up the power. Intensify is intended for OEM applications such as fiber laser pumping, laser tooling and laser diode burn-in.
 
'''Intensify Nx 50''' is a stackable constant current laser diode bar driver delivering up to 150A CW current. Parallel capability allows stacking multiple Intensify boards to scale up the power. Intensify is intended for OEM applications such as fiber laser pumping, laser tooling and laser diode burn-in.
 
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===Time properties===
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{| class="wikitable"
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|-
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! Property !! Value !! Units || Remarks
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|-
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| Pulsed LD current rise time || 0.5 typ || ms || Current rise from 10% to 90% of setpoint
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|-
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| Pulsed LD current rise time || 0.6 typ || ms || Current fall from 10% to 90% of setpoint
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|-
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| Enable delay || < 60 || ms || From disabled to enabled state
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|-
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| Disable delay || < 2 || ms || From enabled to disabled state
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|-
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| Power-up/down sequence || Any order. Any I/O line states not causing spiking above setpoint || ||
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|-
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|}
 
===Inputs/outputs===
 
===Inputs/outputs===
 
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{| class="wikitable"

Revision as of 00:07, 6 June 2014

Intensify Nx50
280px
Device type Laser diode driver
Control modes Current control
Status Prototypes
Electrical
DC supply voltage 11-13 VDC
Output current range 0.1 - 50A × number of stacked boards
Setpoint signals Analog reference for current control, Digital signals for enable & pulsing
Feedback devices On-board current & voltage sensing
Protections Over temperature, under voltage, short circuit, laser diode protection
LD forward voltage 0.8 .. 5.5 VDC
Ripple current (typ @ 50A) 0.2A RMS, 1.25A pk-pk
General
Dimensions 94×77.5×17 mm
Configuration tool No software tools needed
Web site

Intensify product site

Technical specifications

Power

Property Value Units Remarks
Supply voltage 12 +/- 1 V
Supply current 0.1 - 24 A Depends on output power
Max output power 275 W 50A @ 5.5V
Output voltage 0.5 - 5.5 V Determined by laser diode voltage drop
Output current 0 - 50 A Continuous rating
Efficiency 95 % Efficiency when Io > 20A and Vo > 5V

Intensify Nx 50 is a stackable constant current laser diode bar driver delivering up to 150A CW current. Parallel capability allows stacking multiple Intensify boards to scale up the power. Intensify is intended for OEM applications such as fiber laser pumping, laser tooling and laser diode burn-in.

Time properties

Property Value Units Remarks
Pulsed LD current rise time 0.5 typ ms Current rise from 10% to 90% of setpoint
Pulsed LD current rise time 0.6 typ ms Current fall from 10% to 90% of setpoint
Enable delay < 60 ms From disabled to enabled state
Disable delay < 2 ms From enabled to disabled state
Power-up/down sequence  Any order. Any I/O line states not causing spiking above setpoint

Inputs/outputs

Property Value Units Remarks
Current setpoint voltage 0..10 V 0..10 V sets LD current between 0..50 A
Current setpoint input impedance 50k Ω Differential input
Current monitor output voltage 0..10 V 0..10 V represents LD current between 0..50 A
Current monitor output impedance 200 Ω
Voltage monitor output voltage 0..5.5 V Represents LD voltage drop 1:1
Voltage monitor output impedance 200 Ω
Enable input voltage
  • -0.3..1 V or open circuit = disabled
  • 2.5..13 V = enabled
V Enable is 3.3V, 5V and 12V logic compatible
Pulse input voltage
  • -0.3..1 V or open circuit = pulse high
  • 2.5..13 V = pulse low
V Pulse is 3.3V, 5V and 12V logic compatible. Pulse high outputs current defined by setpoint, pulse low outputs current 0.035*setpoint.

Mechanical & environmental

Property Value Units Remarks
Dimensions 94×77.5×17 mm W×H×D
Operating temperature range -40..85 °C Non condensing. Output rating may derate at high temperature without forced convection
Reliability MTBF 1.5 106 Hrs Per Bellcore TR-332 50% stress, Tamb = 40 °C
ESD protection Exceeds ESD Protection to IEC61000-4-2 Level 4, ±12 kV discharge All I/O lines

Literature