Pulse/QCW Diode Driver

Keywords: diode driver, pulse driver, QCW

Feb 12, 2021 View: 6040 Data Sheet

LDDP Series Pulse Diode Drivers LDDP series diode drivers are probably the most powerful diode drivers in the aesthetic world. Peak output power is up to 10kW (with user selectable IMAX and VMAX). Averaged output power is up to 1600W (assuming 100-240

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STJ Series QCW Laser Diode Drivers

The QCW Laser diode driver is specially designed for various QCW laser diodes at the compact size and modularization. It adopts the latest modern power electronic devices, high-speed microprocessor (MPU) program control technology, and low-power linear modulation technology (with extremely low ripple). It has excellent voltage and current output characteristics. No overshoot, no kickback, no surge and low noise when operation. It has perfect multiple protection functions, and has reliable protection for laser diode. The adjustment and control of current parameters can be selected by local and computer (setting by software). In addition, the driver also has alarm signal settings. (eg. water pressure alarm, for shutdown protection). The driver adopts 240x128 dot matrix graphic LCD or 16 bit "8" digital tube display, simple menu mode display, membrane button, and has friendly user interface and fault diagnosis function. And TEC for precision maintaining the temperature on peiltier element (TEM) is also an optional.

The QCW laser diode driver is an excellent choice for laser equipment manufactures and research institute. It can set the temperature parameters independently and you can also set the temperature on the LCD only via a serial line to connect to the laser driver.

Features:

Ideal rectangle output pulse current waveform;
The max output voltage 50V (adaptive load)
Adaptive load, real-time display of actual voltage;
0-150A (The output current is continuously adjustable), QCW output;
Pulse frequency 1-2000Hz (adjustable). The Max 5kHz (When the duty cycle =50%, need to customized);
Pulse width 20-500us (adjustable) (Need to customized if the pulse width >1000us);
Pulse duty cycle 0-25% (max) adjustable.( Need to customized if the duty cycle >25%);
Local & computer control for the pulse current;
Local & computer control for the pulse frequency;
Local & computer control for the pulse width;
Local and computer control for power on / off;
A 400million times counting ability pulse counter PC, which is used to count the output pulse (only for Y1 and Y2 models);
High speed ,rapidly adjusted the current value of each pulse one by one;
Delay synchronization signal output with 0-6000us delay and adjustment step size at 1us;
With input alarm signal (eg. water pressure alarm, for shutdown protection);
Over heat, over current protections;
High stability, high anti-interference and low noise;
240x28 dot matrix graphic LCD or 16 bit "8" digital tube display, to show setting current, actual current, voltage and power, simple menu / mode display, membrane button
User friendly interface, fault diagnosis function
With perfect PID control software, intelligent step-less temperature control on both heating and cooling, TEC laser diode driver is an good optional for better laser performance and compact size for the user.
We can customize the driver according to customer’s requirements.

Model	STJ-QCW 03100	STJ-QCW 03120	STJ-QCW 03150	STJ-QCW 06100	STJ-QCW 06120	STJ-QCW 06150	STJ-QCW 12100
Input voltage (VAC)	220±15%	220±15%	220±15%	220±15%	220±15%	220±15%	220±15%
Output voltage(V)	3V (self-adaption)	3V (self-adaption)	3V (self-adaption)	6V (self-adaption)	6V (self-adaption)	6V (self-adaption)	6V (self-adaption)
Output current(A)	0-100A	0-120A	0-150A	0-100A	0-120A	0-150	0-100A
Frequency(Hz)	1-2000	1-2000	1-2000	1-2000	1-2000	1-2000	1-2000
Pulse width(us)	20-500	20-500	20-500	20-500	20-500	20-500	20-500
Duty cycle(%)	≤25	≤25	≤25	≤25	≤25	≤25	≤25
Average output power	≤75W	≤90W	≤110W	≤150W	≤180W	≤225W	≤300W
Rise/Fall time(us)	≤20/15	≤20/15	≤20/15	≤20/15	≤20/15	≤20/15	≤20/15
Synchronous signal (us)	0-1000	0-1000	0-1000	0-1000	0-1000	0-1000	0-1000
Voltage noise (Vp-p)	≤0.1%	≤0.1%	≤0.1%	≤0.1%	≤0.1%	≤0.1%	≤0.1%
Current noise (Ap-p)	≤50mA	≤60mA	≤70mA	≤50mA	≤60mA	≤70mA	≤50mA
Stability%)	≤0.1	≤0.1	≤0.1	≤0.1	≤0.1	≤0.1	≤0.1
Working mode(CW/QCW)	QCW	QCW	QCW	QCW	QCW	QCW	QCW
(LCD/LED)	LCD/LED	LCD/LED	LCD/LED	LCD/LED	LCD/LED	LCD/LED	LCD/LED
Working temperature ( °C)	-20~+50	-20~+50	-20~+50	-20~+50	-20~+50	-20~+50	-20~+50
Environment humidity (%)	≤90	≤90	≤90	≤90	≤90	≤90	≤90

Model	STJ-QCW 12150	STJ-QCW 24100	STJ-QCW 24150	STJ-QCW 30100	STJ-QCW 30150	STJ-QCW 50100	STJ-QCW 50150
Input voltage (VAC)	220±15%	220±15%	220±15%	220±15%	220±15%	220±15%	220±15%
Output voltage(V)	12V (self-adaption))	24V (self-adaption))	24V (self-adaption))	30V (self-adaption))	30V (self-adaption))	50V (self-adaption))	50V (self-adaption))
Output vurrent(A)	0-150A	0-100A	0-150A	0-100A	0-150A	0-100A	0-150A
Frequency(Hz)	1-1600	1-1200	1-800	1-1000	1-700	1-700	1-500
Pulse width(us)	20-500	20-500	20-500	20-500	20-500	20-500	20-500
Duty cycle(%)	≤16	≤12	≤8	≤10	≤7	≤7	≤5
Average output power	≤290W	≤290W	≤290W	≤300W	≤315W	≤350W	≤375W
Rise/fall time(us)	≤20/15	≤20/15	≤20/15	≤20/15	≤20/15	≤25/20	≤25/20
Synchronous signal (us)	0-1000	0-1000	0-1000	0-1000	0-1000	0-1000	0-1000
Voltage noise (Vp-p)	≤0.1%	≤0.1%	≤0.1%	≤0.1%	≤0.1%	≤0.1%	≤0.1%
Current noise (Ap-p)	≤70mA	≤60mA	≤70mA	≤60mA	≤70mA	≤70mA	≤50mA
Stability%)	≤0.1	≤0.1	≤0.1	≤0.1	≤0.1	≤0.1	≤0.1
Working mode(CW/QCW)	QCW	QCW	QCW	QCW	QCW	QCW	QCW
(LCD/LED)	LCD/LED	LCD/LED	LCD/LED	LCD/LED	LCD/LED	LCD/LED	LCD/LED
Working temperature ( °C)	-20~+50	-20~+50	-20~+50	-20~+50	-20~+50	-20~+50	-20~+50
Environment humidity (%)	£90	£90	£90	£90	£90	£90	£90

Remarks:

If you need 110VAC input power supply, please inform us when ordering
We have four sizes of the drivers W×L×H＝304×295×88mm (Y1, S1);W×L×H＝425×310×88mm (Y2, S2);
Above drivers are our standard models. We can also customize according to customer’s parameters.
We can customized the driver with adjustable pre-current (It is also known as preheating current, maintaining current, base current).

STO Series Pulse Diode Drivers

1. STO-PDD Series Pulse Diode Drivers

STO-PDD series diode drivers are probably the most powerful diode drivers in the aesthetic world. Peak output power is up to 10kW (with user selectable IMAX and VMAX). Averaged output power is up to 1600W (assuming 100-240VAC input) and over 2000W on request (with 200-240VAC input).

Since the driver was especially designed for laser hair removal applications, it's fully compliant to the medical standards - IEC 60601-1 for electrical safety and IEC 60601-1-2 for electromagnetic compatibility. Besides, they are also widely used in diode pumping and direct diode laser applications.

Part no.		STO-PDD-300	STO-PDD-1600	STO-PDD-1000
Input	Power Input	100-240VAC, 50/60Hz	100-240VAC, 50/60Hz	300VDC + 24VDC/1A
Output	Max. average power	300W	1600W	100W
	Max. current, Imax	200A	200A	200A
	Max. voltage, Vmax	50V	100V	200V
	Max. peak power, Wmax	5kW	10kW	10kW
	Rise/fall time	<1ms (10% to 90% full current)	<1ms (10% to 90% full current)	<1ms (10% to 90% full current)
	Current regulation accuracy	<1% of Imax	<1% of Imax	<1% of Imax
	Current value error	<1% of Imax	<1% of Imax	<1% of Imax
	Current overshoot	<1% of Imax	<1% of Imax	<1% of Imax
	Efficiency	>80%	>80%	>80%
Environment	Operating temp.	0-+40oC	0-+40oC	0-+40oC
	Storage temp.	-20-+60 oC	-20-+60 oC	-20-+60 oC
	Humidity	90%, non-condensing	90%, non-condensing	90%, non-condensing
Interface	Connector	15Pin D-sub female	15Pin D-sub female	10 pin Molex C-Grid connector
	Current program	Analog, 0-10V	Analog, 0-10V	Analog, 0-10V
Others	Size (LxWxH)	296x213x70mm	230x223x133mm	255x172x82mm
	Weight	2.5kg	5kg	2.2kg

2. STO-PDD-3U Pulsed Diode Driver

STO-PDD-3U is a pulsed diode driver especially designed for diode pumping of Nd:YAG and similar solid-state lasers. It is quite a high power solution. Maximal output power is up to 500W. Maximal output current (IMAX) and maximal compliance voltage (VMAX) achieve 400A and 400V respectively although not at the same time (with peak power limited with 20kW). A number of models with different IMAX and VMAX is available.

APPLICATIONS

Pumping of pulsed DPSS lasers (Nd:YAG, diodes and similar)

FEATURES

100-240VAC input
Output current up to 400A
Output voltage up to 400V
Output power up to 20kW (peak)
Output power up to 500W (average)
Fast rise and fall times
Multiple outputs and other options

INTERFACES

User interface is 7-inch full color display on front panel. Base machine interface is RS-485. The following user and machine interfaces are available as alternatives:

RS-232 machine interface
Remote control (see picture below)
No front panel UI (low cost modification for embedded applications)

WATER COOLING (OPTION)

STO-PDD-3U can be supplied in two modifications different with cooling method. The default option is a forced air cooling with embedded fans. Since, due to high heat dissipation at maximal output power, the noise produced by fans might seem to be undesirable high, we offer an alternative of water cooling.

Input
Voltage	100-240VAC, 50/60Hz
Current	10A max
Laser diode output
Regime of operations	Pulsed
Maximal output current (IMAX)	200A (in base modification, other on request)
Maximal output voltage (VMAX)	100V (in base modification, other on request)
Maximal output power (peak, IMAX * VMAX)	20kW
Risetime/falltime	10us-40us (load and output current dependent)
Pulse width (t)	50us-300us (in base modification, other on request)
Pulse repetition rate (f)	1Hz-100Hz (in base modification, other on request)
Maximal output power (average, IMAX * VMAX * f * t)	500W
Current overshoot	<5% of IMAX
Current accuracy/stability	<1% of IMAX
Protections	Protective crowbar at the output; From overcurrent, adjustable current limit; From overvoltage From too long pulses; From too high repetition rate; From too high average power; Interlock; From overheating
Options
User interfaces (UI)	7’’ color display with touch panel or no display / Remote control
Machine interfaces	RS-485 or RS-232
Multiple outputs	+
Embedded TECs	+
Pockels cell driver control	+
Cooling methods	Forced air cooling with embedded fans (relatively noisy at high output power) / Water cooling (more silent)
Low cost option	+ (difference in simpler coverage only)
Environmental
Operating temperature	+15…+35, non-condensing
Storage temperature	-20…+60C
Mechanical
Dimensions	19-inch rack, 3U height, approx. 40cm depth
Weight	Up to 10kg (modification dependent)

Most of the parameters can be tailored to the customer’s requirements. Feel free to contact us if your needs are different from the specifications above.

Data Sheet

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