MTD6508
3-Phase BLDC
Sensorless Fan Controller
Demonstration Daughter Board
User’s Guide
2016 Microchip Technology Inc.
DS50002515A
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DS50002515A-page 2
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ISBN: 978-1-5224-0742-3
2016 Microchip Technology Inc.
Object of Declaration: MTD6508 3-Phase BLDC Sensorless Fan Controller Demonstration
Daughter Board
2016 Microchip Technology Inc.
DS50002515A-page 3
MTD6508 3-Phase BLDC Sensorless Fan Controller Demonstration Daughter Board
NOTES:
DS50002515A-page 4
2016 Microchip Technology Inc.
MTD6508 3-PHASE BLDC SENSORLESS
FAN CONTROLLER DEMONSTRATION
DAUGHTER BOARD
Table of Contents
Preface ........................................................................................................................... 6
Chapter 1. Product Overview
1.1 Introduction ..................................................................................................... 9
1.2 MTD6508 Daughter Board Hardware Description ........................................ 10
1.3 What the MTD6508 Demonstration Board Kit Includes ................................ 10
Chapter 2. Installation and Operation
2.1 Getting Started ............................................................................................. 11
2.2 Using the MTD6508 Demonstration Board Kit with the MTD6508
Demonstration Board Software GUI ....................................................... 11
Appendix A. Schematics and Layouts
A.1 Introduction .................................................................................................. 13
A.2 ADM00631 Board 4x4 16-Lead UQFN – Schematic ................................... 14
A.3 ADM00631 Board 4x4 16-Lead UQFN – Top Silk ....................................... 15
A.4 ADM00631 Board 4x4 16-Lead UQFN – Top Copper and Silk ................... 15
A.5 ADM00631 Board 4x4 16-Lead UQFN – Bottom Copper and Silk .............. 16
Appendix B. Bill of Materials (BOM)........................................................................... 17
Worldwide Sales and Service .................................................................................... 18
2016 Microchip Technology Inc.
DS50002515A-page 5
MTD6508 3-PHASE BLDC SENSORLESS
FAN CONTROLLER DEMONSTRATION
DAUGHTER BOARD
Preface
NOTICE TO CUSTOMERS
All documentation becomes dated, and this manual is no exception. Microchip tools and
documentation are constantly evolving to meet customer needs, so some actual dialogs
and/or tool descriptions may differ from those in this document. Please refer to our web site
(www.microchip.com) to obtain the latest documentation available.
Documents are identified with a “DS” number. This number is located on the bottom of each
page, in front of the page number. The numbering convention for the DS number is
“DSXXXXXXXXA”, where “XXXXXXXX” is the document number and “A” is the revision level
of the document.
For the most up-to-date information on development tools, see the MPLAB® IDE online help.
Select the Help menu, and then Topics to open a list of available online help files.
INTRODUCTION
This chapter contains general information that will be useful to know before using the
MTD6508 3-Phase BLDC Sensorless Fan Controller Demonstration Daughter Board.
Items discussed in this chapter include:
•
•
•
•
•
•
Document Layout
Conventions Used in this Guide
Recommended Reading
The Microchip Web Site
Customer Support
Document Revision History
DOCUMENT LAYOUT
This document describes how to use the MTD6508 3-Phase BLDC Sensorless Fan
Controller Demonstration Daughter Board as a development tool to emulate and debug
firmware on a target board. The manual layout is as follows:
• Chapter 1. “Product Overview” – Important information about the MTD6508
3-Phase BLDC Sensorless Fan Controller Demonstration Daughter Board.
• Chapter 2. “Installation and Operation” – Includes instructions on how to get
started with the MTD6508 3-Phase BLDC Sensorless Fan Controller Demonstration
Daughter Board.
• Appendix A. “Schematics and Layouts” – Shows the schematic and layout
diagrams for the MTD6508 3-Phase BLDC Sensorless Fan Controller
Demonstration Daughter Board.
• Appendix B. “Bill of Materials (BOM)” – Lists the parts used to build the
MTD6508 3-Phase BLDC Sensorless Fan Controller Demonstration Daughter
Board.
2016 Microchip Technology Inc.
DS50002515A-page 6
Preface
CONVENTIONS USED IN THIS GUIDE
This manual uses the following documentation conventions:
DOCUMENTATION CONVENTIONS
Description
Arial font:
Italic characters
Initial caps
Quotes
Underlined, italic text with
right angle bracket
Bold characters
N‘Rnnnn
Text in angle brackets < >
Courier New font:
Plain Courier New
Represents
Referenced books
Emphasized text
A window
A dialog
A menu selection
A field name in a window or
dialog
A menu path
MPLAB® IDE User’s Guide
...is the only compiler...
the Output window
the Settings dialog
select Enable Programmer
“Save project before build”
A dialog button
A tab
A number in verilog format,
where N is the total number of
digits, R is the radix and n is a
digit.
A key on the keyboard
Click OK
Click the Power tab
4‘b0010, 2‘hF1
Italic Courier New
Sample source code
Filenames
File paths
Keywords
Command-line options
Bit values
Constants
A variable argument
Square brackets [ ]
Optional arguments
Curly brackets and pipe
character: { | }
Ellipses...
Choice of mutually exclusive
arguments; an OR selection
Replaces repeated text
Represents code supplied by
user
2016 Microchip Technology Inc.
Examples
File>Save
Press ,
#define START
autoexec.bat
c:\mcc18\h
_asm, _endasm, static
-Opa+, -Opa0, 1
0xFF, ‘A’
file.o, where file can be
any valid filename
mcc18 [options] file
[options]
errorlevel {0|1}
var_name [,
var_name...]
void main (void)
{ ...
}
DS50002515A-page 7
MTD6508 3-Phase BLDC Sensorless Fan Controller Demonstration Daughter Board
RECOMMENDED READING
This user's guide describes how to use the MTD6508 3-Phase BLDC Sensorless Fan
Controller Demonstration Daughter Board. Another useful document is listed below.
The following Microchip document is available and recommended as a supplemental
reference resource.
• MTD6508 Data Sheet – “3-Phase Sinusoidal Sensorless Brushless Fan
Motor Driver” (DS20005359)
THE MICROCHIP WEB SITE
Microchip provides online support via our web site at www.microchip.com. This web site
is used as a means to make files and information easily available to customers. Accessible
by using your favorite Internet browser, the web site contains the following information:
• Product Support – Data sheets and errata, application notes and sample
programs, design resources, user’s guides and hardware support documents,
latest software releases and archived software
• General Technical Support – Frequently Asked Questions (FAQs), technical
support requests, online discussion groups, Microchip consultant program
member listing
• Business of Microchip – Product selector and ordering guides, latest Microchip
press releases, listing of seminars and events, listings of Microchip sales offices,
distributors and factory representatives
CUSTOMER SUPPORT
Users of Microchip products can receive assistance through several channels:
•
•
•
•
Distributor or Representative
Local Sales Office
Field Application Engineer (FAE)
Technical Support
Customers should contact their distributor, representative or field application engineer
(FAE) for support. Local sales offices are also available to help customers. A listing of
sales offices and locations is included in the back of this document.
Technical support is available through the web site at: http://www.microchip.com/support.
DOCUMENT REVISION HISTORY
Revision A (June 2016)
• Initial Version of this Document.
DS50002515A-page 8
2016 Microchip Technology Inc.
MTD6508 3-PHASE BLDC SENSORLESS
FAN CONTROLLER DEMONSTRATION
DAUGHTER BOARD
Chapter 1. Product Overview
1.1
INTRODUCTION
In order to easily use the MTD6508 device, Microchip Technology provides a daughter
board containing a MTD6508-ADJE/JQ (16-Lead UQFN with EP version of the
MTD6508).
The MTD6508 Daughter Board is a small board with the minimal required components
to operate with the MTD6508 device.
The MTD6508 Daughter Board has been designed to be used with the ADM00633
motherboard, but can also be used as a stand-alone board using its connectors.
The MTD6508 Daughter Board comes with a kit of three boards.
FIGURE 1-1:
MTD6508 3-Phase BLDC Sensorless Fan Controller
Demonstration Daughter Board (ADM00631) Overview.
2016 Microchip Technology Inc.
DS50002515A-page 9
MTD6508 3-Phase BLDC Sensorless Fan Controller Demonstration Daughter Board
1.2
MTD6508 DAUGHTER BOARD HARDWARE DESCRIPTION
These daughter boards have been designed specifically for the MTD6508
Demonstration Board. However, they can also be used independently as stand-alone
boards. This section provides a brief description of these boards.
DIR
SR1
SR2
SS
RT
Figure 1-2 provides an overview of the MTD6508 Daughter Board.
R2
R3
FG
RPROG
RPROG
VBIAS
VBIAS
Not
connected
Not Connected
Not Connected
connected
Not
R1
C1
R4
PWM
FG/3
V
VDD
DD
OUT11
OUT
OUT3
Package ID
GND
GND
OUT2
Not GND
C2
FIGURE 1-2:
MTD6508 Daughter Board Overview.
• R1 is the FG pull-up resistor.
• C1 and C2 are respectively the VDD and the VBIAS decoupling capacitors.
• R2 is the Slew Rate Resistor (RSR) and is available only for the MTD6508
Daughter Board with a 4x4 16-Lead UQFN MTD6508 (ADM00631). This resistor
is handled by the MTD6508 Demonstration Board via the MTD6508 Demonstration Board Software GUI. This footprint only has to be assembled if the MTD6508
Daughter Board is not plugged into a MTD6508 Demonstration Board. A 4.7K to
47K resistor has to be used.
• R3 allows connecting the RPROG pin to GND. This resistor is handled by the
MTD6508 Demonstration Board via the MTD6508 Demonstration Board Software
GUI. This footprint only has to be assembled if the RPROG resistor is not set by the
MTD6508 Demonstration Board Software GUI. A 0R resistor must be used.
• R4 allows setting the RPROG resistor. This resistor is handled by the MTD6508
Demonstration Board via the MTD6508 Demonstration Board Software GUI. This
footprint only has to be assembled if the RPROG resistor is not set by the
MTD6508 Demonstration Board Software GUI. A 24K, 3.9K or 0R resistor must
be used to connect the RPROG pin to VBIAS.
More details of the schematic are available in Appendix A. “Schematics and Layouts”.
1.3
WHAT THE MTD6508 DEMONSTRATION BOARD KIT INCLUDES
The MTD6508 3-Phase BLDC Sensorless Fan Controller Demonstration Daughter
Board Package (ADM00631) includes:
• 3 x MTD6508 Daughter Board with a 4x4 16-Lead UQFN MTD6508
• Important Information Sheet
DS50002515A-page 10
2016 Microchip Technology Inc.
MTD6508 3-PHASE BLDC SENSORLESS
FAN CONTROLLER DEMONSTRATION
DAUGHTER BOARD
Chapter 2. Installation and Operation
2.1
GETTING STARTED
In order to use the MTD6508 Daughter Board, follow the steps below:
1. Connect a power supply between VDD and a GND connector on the daughter
board (see Figure 2-1). The device maximum voltage on VDD is 5.5V. The power
supply should support up to 800 mA continuous (device current limitation is
750 mA). Please note that it is possible that applications may not need that much
current to run at full speed.
2. Connect a 3-phase BLDC fan on Outputs 1, 2 and 3 of the daughter board.
3. Connect a function generator on the PWM pin in order to modulate the input voltage in order to adjust the maximum speed of the fan; this step is optional. If the
PWM is left open, the IC will act as if PWM = 100%. This a duty cycle modulation.
This signal frequency range is from 1 kHz to 100 kHz. The maximum voltage on
this signal is VDD.
4. Connect a frequency meter on the FG pin in order to measure the speed signal;
this step is optional. The signal frequency is gives the electrical speed in RPM.
This is an open-drain signal, pulled up by the resistor, R1.
Please see the “MTD6508 Data Sheet” (DS20005359) for more information on pin
specifications.
2.2
USING THE MTD6508 DEMONSTRATION BOARD KIT WITH THE MTD6508
DEMONSTRATION BOARD SOFTWARE GUI
The MTD6508 Demonstration Board Software GUI provides several features, such as
VDD control and monitoring, Pulse-Width Modulation (PWM) control, as well as speed
and current consumption monitoring. The MTD6508 Demonstration Board Software
GUI allows the user to control the following parameters:
• The RPROG resistor value for fan fitting
• The RSR resistor value for output slew rate control for all remaining digital pins
2016 Microchip Technology Inc.
DS50002515A-page 11
MTD6508 3-Phase BLDC Sensorless Fan Controller Demonstration Daughter Board
6V VIN
MTD6508 Motherboard
(ADM00633)
USB Connection
FIGURE 2-1:
MTD6508
Daughter
Board
System Overview.
To use the MTD6508 Demonstration Board Kit with the MTD6508 Demonstration Board
Software GUI, these steps should be followed:
1. Plug the MTD6508 Daughter Board into its dedicated socket on the MTD6508
Demonstration Board (see Figure 2-1).
2. To plug in a 3-phase BLDC sensorless fan, choose one of these connections:
- The 3-phase fan connector on the MTD6508 Demonstration Board (J1)
- The fan connector on the MTD6508 Daughter Board
3. Connect the power supply to the VIN test point. The required VIN value is
+6V ±5%. The power supply has to deliver up to 1.0A.
4. Turn on the power switch. The Power LED and the MCU LED should light up.
5. Plug a mini-USB cable attached to the USB port of a computer to the MTD6508
Demonstration Board connector.
6. If required, let the computer identify the MTD6508 Demonstration Board.
7. Restart the computer if necessary.
8. Start the MTD6508 Demonstration Board Software GUI.
Note:
DS50002515A-page 12
The order of these steps is provided as an example and can be changed.
It is also possible to start the MTD6508 Demonstration Board Software GUI
before enabling the board.
2016 Microchip Technology Inc.
MTD6508 3-PHASE BLDC SENSORLESS
FAN CONTROLLER DEMONSTRATION
DAUGHTER BOARD
Appendix A. Schematics and Layouts
A.1
INTRODUCTION
This appendix contains the schematics and layouts for the following devices, which are
included in the MTD6508 3-Phase BLDC Sensorless Fan Controller Demonstration
Daughter Board (ADM00673):
• MTD6508 Daughter Board 4x4 16-Lead UQFN (ADM00631):
- ADM00631 Board 4x4 16-Lead UQFN – Schematic
- ADM00631 Board 4x4 16-Lead UQFN – Top Silk
- ADM00631 Board 4x4 16-Lead UQFN – Top Copper and Silk
- ADM00631 Board 4x4 16-Lead UQFN – Bottom Copper and Silk
2016 Microchip Technology Inc.
DS50002515A-page 13
VBIAS
R1
FG_IC
1k
0603
5%
12
GP3
11
PWM_IC
10
GP0/VPP
9
VDD
C1
C2
1.0 uF
6.3V
0603
1.0 uF
6.3V
0603
GP3
GP2
SR2
SR1
GP1
SR2
GND
GND
OUT1
GND
OUT3
GND
DNP
R2
SR1
RT
PWM
FG3_SEL
VDD
DD
EP
GND
OUT1
GND
OUT3
OUT3V
FG
RPROG
VBIAS
OUT2
VDD
U1
MTD6508
17
5
6
7
8
FG_IC
RPROG
VBIAS
OUT2
1
2
3
4
DIR
SR1
SR2
SS
16
15
14
13
GP1
SR1
SR2
GP2
ADM00631 BOARD 4X4 16-LEAD UQFN – SCHEMATIC
47k
0603
5%
1 2 3 4 5
J6
GND
GND
OUT2
GND
GND
2016 Microchip Technology Inc.
HDR-2.54 Male 1x5
1 2 3 4 5
J4
HDR-2.54 Female 1x5
OUT1
OUT2
OUT3
PWM_IC
GP0/VPP
VDD
OUT1
OUT3
1 2 3 4 5
1
5 4 3 2
FG_IC
RPROG
VBIAS
DNP
J5
HDR-2.54 Male 1x5
HDR-2.54 Male 1x3
1 2 3
J2
VBIAS
DNP
R3
47k
0603
5%
R4
RPROG
HDR-2.54 Male 1x5
J3
47k
0603
5%
GND
MTD6508 3-Phase BLDC Sensorless Fan Controller Demonstration Daughter Board
DS50002515A-page 14
A.2
Schematics and Layouts
A.3
ADM00631 BOARD 4x4 16-Lead UQFN – TOP SILK
A.4
ADM00631 BOARD 4x4 16-Lead UQFN – TOP COPPER AND SILK
2016 Microchip Technology Inc.
DS50002515A-page 15
MTD6508 3-Phase BLDC Sensorless Fan Controller Demonstration Daughter Board
A.5
ADM00631 BOARD 4X4 16-LEAD UQFN – BOTTOM COPPER AND SILK
DS50002515A-page 16
2016 Microchip Technology Inc.
MTD6508 3-PHASE BLDC SENSORLESS
FAN CONTROLLER DEMONSTRATION
DAUGHTER BOARD
Appendix B. Bill of Materials (BOM)
TABLE B-1:
Qty
BILL OF MATERIALS (BOM) – MTD6508 4x4 16-LEAD UQFN DAUGHTER BOARD
(ADM00631)(1)
Reference
Description
Manufacturer
Part Number
2
C1, C2
Capacitor Ceramic, 0.001 uF, 50V, 20%, X7R,
SMD, 0603
KEMET®
1
J2
Connector Header – 2.54 Male, 1x3, Gold,
5.84 MH TH, R/A
Samtec, Inc.
TSW-103-08-F-S-RA
3
J3, J5, J6
Connector Header – 2.54 Male, 1x5, Tin,
5.84 MH TH, Vertical
Samtec, Inc.
TSW-105-07-T-S
1
J4
Connector Header – 2.54 Female, 1x5, Gold, TH
Mill-Max Mfg.
Corporation
801-43-005-10-001000
1
R1
Resistor TKF, 10k, 5%, 1/10W, SMD, 0603
Panasonic® –
ECG
ERJ-3GEYJ103V
1
U1
Microchip Analog Motor Driver,
MTD6508-ADJE/JQ, 16-Lead UQFN
Microchip
MTD6508-ADJE/JQ
Technology Inc.
Note 1:
The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM
used in manufacturing uses all RoHS-compliant components.
TABLE B-2:
Qty
C0603C102M5RAC
BILL OF MATERIALS (BOM) – MTD6508 3x3 10-LEAD UDFN DAUGHTER BOARD
(ADM00632)(1)
Reference
Description
Manufacturer
Part Number
2
C1, C2
Capacitor Ceramic, 0.001 uF, 50V, 20%, X7R, SMD,
0603
KEMET®
1
J2
Connector Header – 2.54 Male, 1x3, Gold,
5.84 MH TH, R/A
Samtec, Inc.
TSW-103-08-F-S-RA
3
J3, J5, J6
Connector Header – 2.54 Male, 1x5, Tin,
5.84 MH TH, Vertical
Samtec, Inc.
TSW-105-07-T-S
1
J4
Connector Header – 2.54 Female, 1x5, Gold, TH
Mill-Max Mfg.
Corporation
801-43-005-10-001000
1
R1
Resistor TKF, 10k, 5%, 1/10W, SMD, 0603
Panasonic® ECG
ERJ-3GEYJ103V
1
U1
Microchip Analog Motor Driver, MTD6508T-E/NA,
10-Lead UDFN
Microchip
Technology Inc
MTD6508T-E/NA
Note 1:
C0603C102M5RAC
The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM
used in manufacturing uses all RoHS-compliant components.
2016 Microchip Technology Inc.
DS50002515A-page 17
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Los Angeles
Mission Viejo, CA
Tel: 949-462-9523
Fax: 949-462-9608
New York, NY
Tel: 631-435-6000
San Jose, CA
Tel: 408-735-9110
Canada - Toronto
Tel: 905-695-1980
Fax: 905-695-2078
China - Dongguan
Tel: 86-769-8702-9880
China - Guangzhou
Tel: 86-20-8755-8029
China - Hangzhou
Tel: 86-571-8792-8115
Fax: 86-571-8792-8116
China - Hong Kong SAR
Tel: 852-2943-5100
Fax: 852-2401-3431
China - Nanjing
Tel: 86-25-8473-2460
Fax: 86-25-8473-2470
China - Qingdao
Tel: 86-532-8502-7355
Fax: 86-532-8502-7205
China - Shanghai
Tel: 86-21-5407-5533
Fax: 86-21-5407-5066
China - Shenyang
Tel: 86-24-2334-2829
Fax: 86-24-2334-2393
China - Shenzhen
Tel: 86-755-8864-2200
Fax: 86-755-8203-1760
India - Pune
Tel: 91-20-3019-1500
Japan - Osaka
Tel: 81-6-6152-7160
Fax: 81-6-6152-9310
Japan - Tokyo
Tel: 81-3-6880- 3770
Fax: 81-3-6880-3771
Korea - Daegu
Tel: 82-53-744-4301
Fax: 82-53-744-4302
Korea - Seoul
Tel: 82-2-554-7200
Fax: 82-2-558-5932 or
82-2-558-5934
Malaysia - Kuala Lumpur
Tel: 60-3-6201-9857
Fax: 60-3-6201-9859
Malaysia - Penang
Tel: 60-4-227-8870
Fax: 60-4-227-4068
Philippines - Manila
Tel: 63-2-634-9065
Fax: 63-2-634-9069
Germany - Karlsruhe
Tel: 49-721-625370
Germany - Munich
Tel: 49-89-627-144-0
Fax: 49-89-627-144-44
Italy - Milan
Tel: 39-0331-742611
Fax: 39-0331-466781
Italy - Venice
Tel: 39-049-7625286
Netherlands - Drunen
Tel: 31-416-690399
Fax: 31-416-690340
Poland - Warsaw
Tel: 48-22-3325737
Spain - Madrid
Tel: 34-91-708-08-90
Fax: 34-91-708-08-91
Sweden - Stockholm
Tel: 46-8-5090-4654
UK - Wokingham
Tel: 44-118-921-5800
Fax: 44-118-921-5820
Singapore
Tel: 65-6334-8870
Fax: 65-6334-8850
Taiwan - Hsin Chu
Tel: 886-3-5778-366
Fax: 886-3-5770-955
Taiwan - Kaohsiung
Tel: 886-7-213-7828
China - Wuhan
Tel: 86-27-5980-5300
Fax: 86-27-5980-5118
Taiwan - Taipei
Tel: 886-2-2508-8600
Fax: 886-2-2508-0102
China - Xian
Tel: 86-29-8833-7252
Fax: 86-29-8833-7256
Thailand - Bangkok
Tel: 66-2-694-1351
Fax: 66-2-694-1350
06/23/16
DS50002515A-page 18
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