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L9906 Summary of contents
Page 1
... Introduction The L9906 demonstration board is an evaluation board designed to provide the user with a platform for the evaluation of the L9906. The board provides all the main input/output capabilities needed to drive a BLCD motor properly and to provide diagnostic functionalities. July 2011 FET driver for 3-phase BLCD motor ...
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... Contents Contents 1 Hardware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1.1 1.1.2 1.1.3 2 L9906 application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3 L9906 pinout and pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4 Board layout and views and images . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5 Motherboard main components and connectors description . . . . . . 21 6 Daughterboard main components and connectors description . . . . . 22 7 Jumpers and connectors description . . . . . . . . . . . . . . . . . . . . . . . . . . 23 7 ...
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UM0755 Appendix B Inverter daughterboard schematic B.1 Inverter daughterboard BOM ...
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... List of tables List of tables Table 1. L9906 pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 2. Motherboard jumpers and connectors description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Table 3. Inverter daughterboard jumpers and connectors description . . . . . . . . . . . . . . . . . . . . . . . 25 Table 4. Motherboard test points description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Table 5. Inverter daughterboard test points description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Table 6. Configuration jumpers using external USB interface for SPI . . . . . . . . . . . . . . . . . . . . . . . 29 Table 7 ...
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... UM0755 List of figures Figure 1. Application block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2. L9906 application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 3. L9906 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 4. Motherboard front layout Figure 5. Motherboard back layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 6. Motherboard front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 7. Motherboard back view Figure 8. Device daughterboard layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 9. Device daughterboard front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 10. ...
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... Hardware description 1 Hardware description The L9906 demonstration board has been developed for maximum flexibility, giving the user total access to all pins to simplify changing the device as well as the external PowerMOS on the inverter. Its main features are: ● Total accessibility to all pins. ● ...
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UM0755 1.1.2 Inverter ● BLCD motor driver ● Daughterboard approach ● 6 Power Mosfet (ST N-channel PowerMOS 4.4 mΩ D2PAK) 1.1.3 USB ● The SPI communication can be controlled also ...
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... L9906 application circuit 2 L9906 application circuit Figure 2. L9906 application circuit 8/41 Doc ID 16019 Rev 2 UM0755 ...
Page 9
... Source connection for low-side MOSFET, phase 1 Analog Ground Positive input for current sense amplifier 1 Negative input for current sense amplifier 1 Not connected Output for current sense amplifier 1 (test mode digital output #1) Doc ID 16019 Rev 2 L9906 pinout and pin descriptions I/O type GND - ...
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... L9906 pinout and pin descriptions Table 1. L9906 pin descriptions (continued) Pin number Pin name 15 IB2 16 SGND2 17 IS2- 18 IS2 CBS_3 21 GHS_3 22 SHS_3 CBS_2 25 GHS_2 26 SHS_2 CBS_1 29 GHS_1 30 SHS_1 PWM_H1 35 PWM_H2 36 PWM_H3 37 FS_FLAG SCK ...
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... Boost regulator inductance connection Not connected Boost ground Not connected Boost regulator capacitance connection Not connected Decoupling capacitor for low-side drivers power supply Not connected High-side drain voltage sense Doc ID 16019 Rev 2 L9906 pinout and pin descriptions I/O type GND GND - ...
Page 12
Board layout and views and images 4 Board layout and views and images Figure 4. Motherboard front layout 12/41 Doc ID 16019 Rev 2 UM0755 ...
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UM0755 Figure 5. Motherboard back layout Board layout and views and images Doc ID 16019 Rev 2 13/41 ...
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Board layout and views and images Figure 6. Motherboard front view 14/41 Doc ID 16019 Rev 2 UM0755 ...
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UM0755 Figure 7. Motherboard back view Board layout and views and images Doc ID 16019 Rev 2 15/41 ...
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Board layout and views and images Figure 8. Device daughterboard layout Figure 9. Device daughterboard front view 16/41 Doc ID 16019 Rev 2 UM0755 ...
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UM0755 Figure 10. Inverter daughterboard front layout Board layout and views and images Doc ID 16019 Rev 2 17/41 ...
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Board layout and views and images Figure 11. Inverter daughterboard back layout 18/41 Doc ID 16019 Rev 2 UM0755 ...
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Drivers Stmicroelectronics Motherboards Review
UM0755 Figure 12. Inverter daughterboard front view Board layout and views and images Doc ID 16019 Rev 2 19/41 ...
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Board layout and views and images Figure 13. Inverter daughterboard back view 20/41 Doc ID 16019 Rev 2 UM0755 ...
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UM0755 5 Motherboard main components and connectors description Figure 14. Motherboard main components and connectors description Motherboard main components and connectors description Doc ID 16019 Rev 2 21/41 ...
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Daughterboard main components and connectors description 6 Daughterboard main components and connectors description Figure 15. Daughterboard main components and connectors description 22/41 Doc ID 16019 Rev 2 UM0755 ...
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UM0755 7 Jumpers and connectors description 7.1 Motherboard jumpers and connectors description Table 2. Motherboard jumpers and connectors description Name J10 J11 J12 J15 J16 J20 J34 J50 J64 J65 J66 ...
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... Jumpers and connectors description Table 2. Motherboard jumpers and connectors description (continued) Name Figure 16. Microcontroller connector 24/41 Description L9906 socket Microcontroller connector Microcontroller connector Doc ID 16019 Rev 2 UM0755 Type Multipin Multipin Multipin ...
Page 25
UM0755 Figure 17. USB connection 7.2 Inverter daughterboard jumpers and connectors description Table 3. Inverter daughterboard jumpers and connectors description Name J7 J10 JP1 JP2 JP3 JP4 J1,2,3,4,5,6,8,9, 11,12,13,14 Description Power connector Motor phase connector Motherboard male connector for control ...
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Jumpers and connectors description Figure 18. Inverter daughter connector 26/41 Doc ID 16019 Rev 2 UM0755 ...
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UM0755 8 Test points description Table 4. Motherboard test points description TP name Pin name TP1 VCAP Decoupling capacitor for power supply of low-side drivers TP2 VCC 3.3 V power supply input TP3 BST_L Boost regulator inductance ...
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Test points description Table 4. Motherboard test points description (continued) TP name Pin name TP33 SI SPI serial data input TP34 CS SPI chip select input TP35 SCK SPI serial clock input TP36 SO SPI serial data output TP37 VCbst ...
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UM0755 9 Functional description 9.1 Jumper setting using external USB interface for SPI communication In order to use an external USB interface for SPI communication, the configurable jumpers must be set as indicated in Table 6. Configuration jumpers using external ...
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Functional description 9.3 Notes at start up 9.3.1 Start up for V Procedure: ● Set one of the two EN pin to zero by manually changing the jumper configuration of EN2 (J34) or setting EN1 by a microcontroller command ● ...
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... UM0755 9.4 Notes for current sensing setup The power board has been designed to give the possibility to choose any combination of current sensing to use as input for the two Operational Amplifier of the L9906. In Table 8 are reported all the possible combinations. Table 8. Jumper setup for the possible combination of current sensing ...
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Functional description Table 8. Jumper setup for the possible combination of current sensing (continued) IS1 IS2 R1 source source DC link selector selector selector 1-2 1-2 2-3 2-3 off off 2-3 2-3 2-3 2-3 off off 32/41 R5/R9 R14/R18 R22/R26 ...
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UM0755 Doc ID 16019 Rev 2 Motherboard schematic 33/41 ...
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What Is Stmicroelectronics 3 Axis
Motherboard schematic A.1 Motherboard BOM (bill of materials Table 9. Motherboard BOM ) Comment Description 1 µF/35 V Capacitor 1 µ/F100 V Capacitor 100 nF/100 V Capacitor 100 nF/35 V Capacitor 100 n X5 Capacitor 1 µF/100 V Capacitor 100 ...
Page 35
... TP43, TP44, TP45, TP46, TP47, TP48, TP50, TP51, TP52, TP53, TP54,TP55, TP56, TP57 QFP-64 ASD U1 ADAPTER U2 PWSSO12 U5 TO-252 (DPAK) X1, X2 IDC68 Doc ID 16019 Rev 2 Motherboard schematic LibRef Quantity POT Res2 2 RES1 3 TEST POINT 56 L9906 1 L9777 1 LD39150 1 HEADER 34X2 2 35/41 ...
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Inverter daughterboard schematic 36/41 Doc ID 16019 Rev 2 UM0755 ...
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UM0755 B.1 Inverter daughterboard BOM Table 10. Inverter daughterboard BOM Comment Description 10 nF Capacitor 100 nF Capacitor Low-side 470 µF, 50V electrolytic capacitor 1nF Capacitor 100 nF Capacitor 7.62 mm pitch CON2 connector 7.62 mm pitch CON3 board-to-board connector ...
Page 38
Device daughterboard schematic 38/41 Doc ID 16019 Rev 2 UM0755 ...
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... UM0755 C.1 Device daughterboard BOM Table 11. Device daughterboard BOM Comment Description QFP-64 ASD QFP-64 ASD adapter adapter 3-phase motor L9906 control Designator Footprint QFP-64 ASD J1 adapter t-qfp64 U3 (10x10x1.0) Doc ID 16019 Rev 2 Device daughterboard schematic LibRef Quantity QFP-64 ASD 1 adapter L9906 1 39/41 ...
Page 40
Revision history Revision history Table 12. Document revision history Date 17-Sep-2009 04-Jul-2011 40/41 Revision 1 Initial release. Removed Section 10 and Section 11. 2 Added Section 9.4. Doc ID 16019 Rev 2 UM0755 Changes ...
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... UM0755 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...
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Brief Introduction:
● The Laser Master 2 – 7W is good at picture engraving.
● The Laser Master 2 – 15W is the most cost-effective, available for both engraving and light cutting.
● The Laser Master 2 – 20W is higher power and supports a faster engraving and cutting.
Main Features:
●Specialized Motherboard with STM32 MCU
It could preprocess 32 instructions, support baud rate as high as 921600, more powerful!
●The Most Advanced 32Bits Laser Engraver Firmware
Ortur laser master firmware, smarter, faster, higher precision and easier to use.
● Laser power range could be S0 – S1000, compared to 8bits desktop laser engravers, which only has S0 – S255, Ortur Laser Master could control laser beam more accurately, could even use the high power laser unit to “draw” a picture on paper , that the 8bits high power laser engravers could not do.
● Engraving speed could be as high as 3000MM/Min. ( If do not consider the laser carving result, the velocity of movement could be as high as 1000MM/S )
●Active Position Protection
There is a G-sensor on the motherboard, if the machine detects unauthorized movement, the laser beam will stop.
●Laser Beam Safety Guard
If your computer system halted or USB cable disconnected, led to that the laser engraver stops moving, the laser beam will stop, to prevent fire.
●Exposure Duration Detection and Limitation
If laser engraver is under control, but users forget to operate and keep the laser beam working, extra safety will cut off in case the motor stopped moving, to prevent fire.
● LaserGRBL ( free software ) supports Windows XP, 7, 8, 10. LaserGRBL is the most popular carving software in the world, could import different format images, you could editing in PhotoShop, Inkscape, CAD, etc. and then connect to the engraver via laser LaserGRBL for engraving and cutting.
● LightBurn ( paid software, lightburnsoftware.com ) supports Windows, Mac OS, and Linux. It’s the most popular paid carving software in the world, very easy to use.
● This laser engraver supports PWM mode.
● Pre-assembled parts, just need 10 – 20 minutes to install the machine.
● 400 x 430 mm large engraving area.
● Aluminum profile frame + structured cabling, solid structure, smooth operation, attractive appearance
● Synchronizing shaft mechanical structure, avoid out-sync on two Y rails, during full speed engraving.
Specification:
● Motherboard: 32 bits motherboard with STM32 MCU
● Firmware: Ortur Laser Master Firmware
● OS of Upper Computer: Windows ( Working with LaserGRBL ), MAC OS and Linux ( Working with LightBurn )
● Power of Laser Engraver: 36W, 12V 3A
● Electrical Power of Laser Module: 7W, 15W, 20W
● Wave Length: 445nm
● Variable Focus: Yes
● Default Focal Length: 55MM for 15W & 20W Laser Module; 58MM for 7W Laser Module
● Input Format: NC, BMP, JPG, PNG, DXF, etc.
● Engraving Area: X: 400MM x Y: 430MM
● Engraving Speed: up to 3000MM / Min.
● Image size: No Limit ( The pixel accuracy could be adjusted freely, and the default is 300 pixels per inch, it’s about 0.81um pixel precision )
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