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EVAL6482H-DISC
L6482 Discovery: development tool to explore L6482 motor
controller
Data brief
Description
The L6482 Discovery is a low cost development
tool to explore the L6482 motor controller.
The EVAL6482H-DISC is an ideal starter kit for
both beginners and experienced users, it is
autonomous and can be used with a software
interface, or it can be used with custom firmware
thanks to the embedded microcontroller.
Through the available GUI the user can easily set
the full configuration of application parameters.
The “Plug and Play” tool offers high motor control
flexibility thanks to the wide operating voltage
range from 10.5 V to 85 V and the current
capability up to 7.8 Ar.m.s.. It is equipped with LED
indicators for specific ready, busy, and error
warning.
Features
 Voltage range from 10.5 V to 85 V
 Phase current up to 7.8 A r.m.s
 Footprint for external resonator or crystal
 Switch motor input control
 Keys start/left - stop/right - reset
 Ready, busy, error LED indicators
 Spare LED indicators for specific design
 Advanced current control with auto-adaptive
decay mode
 Compatible with SPIN family evaluation tool
 Autonomous board due to embedded firmware
 Up to 1/16 microstepping
 Programmable non dissipative overcurrent
 Overtemperature protection
March 2015
DocID026241 Rev 2
For further information contact your local STMicroelectronics sales office.
1/10
www.st.com
Board description
EVAL6482H-DISC
Board description
Table 1. Electrical specifications
Parameter
Value
Supply voltage (VS)
10.5 to 85 V
Maximum output current (each phase)
7.8 Ar.m.s
Internal voltage regulator (VSREG)
10.5 to 85 V
Gate driver supply voltage (VCC)
7.5 or 15 V
Logic supply and interface voltage (VDD - VREG)
3.3 V
Low level logic inputs voltage
0V
High level logic input voltage
VDD
Stepping
Up to 1/16 microstepping
Operating temperature
0 to 85 °C
Figure 1. Jumpers and connectors location
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DocID026241 Rev 2
EVAL6482H-DISC
Board description
Table 2. Jumpers and connectors
Name
Function
J1
Motor supply voltage
J2
Bridge A output
J3
Bridge B output
J4
Debug JTAG function
J5
Boot mode
J6
External switch input
J7
USB function
R13
OSCIN and OUSCOUT pins
TP1
VDD - logic supply voltage
TP2
GND - Ground test point
TP3
VSREG driver supply
TP4
VCC driver supply
TP5
VS - motor supply voltage
TP6
Torque regulation
TP7
UART CK - debug test point
TP8
UART RX - debug test point
TP9
UART TX - debug test point
Table 3. JTAG connector pinout (J4)
Name
Type
Function
1-2
Supply
EXT_VDD
3
Digital I/O
External RESET
5
Digital I/O
INPUT (TDI)
7
Digital I/O
Mode select (TMS)
9
Digital I/O
Clock (TCK)
13
Digital I/O
OUTPUT (TDO)
15
Digital I/O
Internal RESET
11 - 17 - 19
Digital I/O
Pull down
4 - 6 - 8 - 10 - 12 - 14 - 16 - 18 - 20
Ground
Ground
DocID026241 Rev 2
3/10
10
Board description
EVAL6482H-DISC
Figure 2. Schematic (microcontroller control part)
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4/10
DocID026241 Rev 2
EVAL6482H-DISC
Board description
Figure 3. Schematic (motion control part)
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DocID026241 Rev 2
5/10
10
Board description
EVAL6482H-DISC
Table 4. Bill of material
Item
Qty.
Reference
Value
Package
C1, C12
2
CAP. CER. 10 µF 10 V X7R 0805
10 µF
0805
C2, C6, C13, C14,
C17, C23 - C25, C27
- C29
11
CAP. CER. 100 nF 50 V X7R 0603
100 nF
0603
C3
1
CAP. ELEC 220 µF 100 V
220 µF
CAPES-R18H17
C4, C9
2
CAP. CER. 470 nF 25 V X7R 0603
470 nF
0603
C5
1
CAP. CER. 4.7 nF 50 V X7R 0603
4.7 nF
0603
C7
1
CAP. CER. 47 nF 100 V X7R/X7S 0805
47 nF
0805
C8
1
CAP. CER. 220 nF 35 V X7R 0603
220 nF
0603
C10, C19, C20
3
CAP. CER. 220 nF 100 V X7R 0805
220 nF
0805
C11, C22, C26
3
CAP. CER. 10 nF 50 V X7R 0603
10 nF
0603
C15, C16
2
CAP. CER. 20 pF 50 V COG 0603
20 pF
0603
C18
1
CAP. CER. 100 pF 50 V COG 0603
100 pF
0603
C21
1
CAP. CER. 1 µF 10 V X7R 0805
1 µF
0805
D1
1
Double diode - high speed switching
diode
BAR43
SOT23
D2, D3
2
Diode Schottky 150 MA
BAT46ZFILM
SOD 123
D4
1
Zener regulator
3.6 V
SOD 523
D5
1
LED yellow - 0805 -6 mcd - 588 nm
Yellow
0805
D6
1
LED red - 0805 -2 mcd - 621 nm
Red
0805
D7
1
LED orange - 0805 -2 mcd - 602 nm
Orange
0805
D8
1
LED green - 0805 -6 mcd - 569 nm
Green
0805
FIX1 - FIX4
4
Hole
J1 - J3
3
Screw connector 2 poles MKDSN 1.5/2
- 5.08
MKDSN1.5/2 - 5.08
MKDSN1.5/2 - 5.08
J4
1
JTAG con. - straight- 10 x 2 - 180M
CON. - STRAIGHT 10 x 2 - 180 M
CON. - FLAT 10 x 2 - 180 M
J5, J6
2
JUMP254P-M-2
OPEN
2.54 mn
J7
1
USB_B_MINI_AMP_1734035-1
CN-USB
CMS mini USB
MIRE1 - MIRE3
3
OPTICAL_TARGET
OPTICAL_TARGET
Diam. 1 mn
Q1 - Q8
8
N-channel 100 V, 27 m, 8 A
STripFET VII DeepGATE
Power MOSFET in PowerFLAT
5 x 6 package
STL30N10F7
PowerFLAT 5 x 6
R1, R16
2
Res. 1 M 1/10 W 5% 0603 SMD
1 M
0603
R2, R25, R26, R28
4
Res. NP 0603
NP
0603
R3, R35
2
Res. 0.0  5% 1/1 0W 0603
0
0603
6/10
DocID026241 Rev 2
Diam. 3 mn
EVAL6482H-DISC
Board description
Table 4. Bill of material (continued)
Item
Qty.
Reference
Value
Package
R4
1
Res. 1.5 K 1/1 0W 5% 0603 SMD
1.5 K
0603
R5, R7, R11, R14,
R15, R17, R18, R29,
R31, R32
10
Res. 10 K 5% 1/10 W 0603 SMD
10 K
0603
R6, R8 - R10
4
Res. 4.7 K 5% 1/10 W 0603 SMD
4.7 K
0603
R12, R33
2
Res. 100  5% 1/10 W
100 
0603
R13
1
Res. NP 0805
NP
0805
R19
1
Res. 11.5 K 1% 1/10 W 0603
11.5 K
0603
R20
1
TRIMMER 100 K 100 x 50 x 110 64 W
100 K
Trimm. 100 x 50 x
110
R21 - R24
4
Res. 470  5% 1/10 W 0603
470 
0603
R27, R34
2
Res. 1 K 5% 1/10 W 0603 SMD
1 K
0603
R30
1
Res. 100 K 5% 1/10 W 0603 SMD
100 K
0603
R36
1
Res. 2.2 K 1/10 W 5% 0603 SMD
2.2 K
0603
R37, R38
2
Res. 0.02  5% 3 W 2512
0.02 
2512
S1 - S3
3
Switch button SMD
EVQQ2D03W
CMS 6.5 x 6 x 3.1
TP1, TP3 - TP9
8
Test point red
KEYSTONE-5000
TH
TP2
1
Test point black
KEYSTONE-5001
TH
U1
1
IC reg. 1300 MA LN 3.3 V
LD1117D33TR
SO8
U2
1
IC, MCU, RISC, 72 MHz, 3.6 V,
32-bit, 64-pin, LQFP
STM32F105RBT6
LQFP64 10x10
U3
1
USBLC6-2P6 - TVS USB2
USBLC6-2P6
SOT 666
U4
1
L6482 motor controller
L6482H
HTSSOP38
Y1
1
XTAL 8 MHz-30 PPM-20 pF
8 MHz
HC49/US-SM
DocID026241 Rev 2
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Board description
EVAL6482H-DISC
Figure 4. Layout (top layer)
Figure 5. Layout (bottom layer)
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DocID026241 Rev 2
EVAL6482H-DISC
Revision history
Revision history
Table 5. Document revision history
Date
Revision
30-May-2014
1
Initial release.
2
Updated main title on page 1, Section : Description on
page 1 and Table 4 on page 6 [replaced cSPIN by
L6482 (motor controller)].
Removed Figure 4. Layout (silk screen) from page 8.
05-Mar-2015
Changes
DocID026241 Rev 2
9/10
10
EVAL6482H-DISC
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10/10
DocID026241 Rev 2
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