MAIMAN ELECTRONICS SF6015 User Manual Download Page 1

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SF6015

Laser diode driver

Datasheet & User Manual

Before powering on your driver, read this manual thoroughly.
If you have any doubt or suggestion, please do not hesitate to contact us!

Maiman Electronics LLC, Saint-Petersburg, Russia
e-mail: [email protected]
web site: www.maimanelectronics.com

v2.1.4 ‒ 2020

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Summary of Contents for SF6015

Page 1: ...powering on your driver read this manual thoroughly If you have any doubt or suggestion please do not hesitate to contact us Maiman Electronics LLC Saint Petersburg Russia e mail info maimanelectroni...

Page 2: ...nd weight and Functional schemes v2 1 4 Paragraph Warranty error triggered fall time values Paragraph Electrical characteristics examples of digital commands and correction in paragraphs how to get st...

Page 3: ...ions 4 8 Power supply requirements 4 9 Electrical characteristics 4 10 Typical Performance Characteristics 6 11 Functional schemes 8 12 Pin and terminal functions 9 13 Analogue control description 11...

Page 4: ...ced quarter brick package with aluminum base plate to aid thermal dissipation Driver can be mounted on any thermal conductive surface enough to dissipate driver losses 4 Package set Driver 1 pcs 50 cm...

Page 5: ...0 75 Vin V Output current Iout 0 15 A Current ripple 12 15 mA Pulse rate F QCW mode 0 1 100 Hz Pulse duration Set by RS 232 or UART 2 1 F 2 5000 ms Set by analogue pin 0 5 1 F Rise time Soft start tim...

Page 6: ...nt 3 A V Voltage monitor pin voltage vs output voltage 1 V V External sensor temperature NTC 10k 10 150 C POWER DISSIPATION Driver losses Vin 14V Iout 15A 4 5 6 W PROTECTIONS Crowbar clamp resistance...

Page 7: ...ormance Characteristics Figure 1 Power dissipation vs output current at full load Figure 2 Efficiency vs output current at full load Figure 3 Power dissipation vs output current at light load Figure 4...

Page 8: ...Maiman Electronics SF6015 7 Figure 5 Regulation characteristic dotted ideal solid real 3A div 250us div 3A div 500us div Figure 6 Typical start up sequence Figure 7 Typical stop sequence...

Page 9: ...Maiman Electronics SF6015 8 11 Functional schemes Analogue interface Figure 8 Analog interface functional scheme Power unit Figure 9 Power unit functional scheme...

Page 10: ...the positive terminal of the power supply Please note polarity Vin Connect to the negative terminal of the power supply Please note polarity LD Connect to the laser diode anode Please note polarity G...

Page 11: ...ed down TTL or CMOS signals only 2 GND Connected to Vin terminal 3 O Crowbar status High fault Low normal operation Internally pulled down 4 5V Auxiliary 5V power supply Up to 200mA output current cap...

Page 12: ...erature condition When temperature of driver PCB exceeds 80 C the driver will stop The driver can be restarted when the temperature drops to 58 C Voltage monitor The output voltage of the driver can b...

Page 13: ...urface to ensure proper operation and prevent an over temperature shutdown If the conduction cooling is not enough an additional cooling may be achieved by placing the driver into the airflow of a fan...

Page 14: ...value of requested parameter The format of the command to get the value J type Number of byte Value Comment 1 J 4Ah Request prefix 2 5 Number of the parameter Hex number of the parameter For example 0...

Page 15: ...0008h W 0700 Stop Disable 0010h Internal current set 0020h External current set 0040h External Enable 0200h Internal Enable 0400h Allow Interlock 1000h Deny Interlock 2000h Deny NTC Interlock 4000h Al...

Page 16: ...300 To request value send the following command J0300 in text or 4a 30 33 30 30 0d in hex Answer will be 4b 30 33 30 30 20 30 33 45 38 0d in hex K0300 03E8 in text 03E8h 1000 in dec 10 00 A To set new...

Page 17: ...alue more or less than limits then the value will be rounded to limit Any attempts to set a new state of the device except start forcibly switch the device to the state stop Some states of the device...

Page 18: ...s Information about the extended protocol 0 bit 1 the device supports this option R 0704 1st bit Checksum 1 on 0 off 2nd bit Return a new value for P type commands 1 on 0 off 3 5 bits Baud rate 0 2400...

Page 19: ...e Comment 1 P J K E Type of command 2 5 Number of parameter Hex number of value 6 space symbol 20h does not use for J and E type commands 7 10 New value of the parameter Hex value of parameter does no...

Page 20: ...mand 50h P ascii Set a new value of parameter 4Ah J ascii Get a value of parameter 4Bh K ascii Answer of the device 45h E ascii Error 2 3 Number of parameter Hex number of parameter 4 5 Value of param...

Page 21: ...during the one year period The warranty period comes into effect from the shipping date The warranty only concerns products that are applied according requirements and for the applications specified...