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Motor control demonstration

UM0428

22/27

 

7.5.2 Changing 

the 

current hardware protection level

The hardware protection level has been set by design to 4 amps but it is possible to change 
this value soldering one (or three) resistor(s) of specific value as described in 

Figure 13

.

Figure 13.

Changing the divider factor to increase the current protection level

If the system is configured for single-shunt, only R114 must be soldered.  If the system is 
configured for three-shunt, R114, R101, R123 must be soldered.

The value of the resistor(s) express in k

Ω

 can be calculated from the following formula:

Equation 1

For I

MAX

 = 10 A one (or three) resistor of 1 k

Ω 

must be soldered.

Note:

Read how to change the software current limitation in the control board user manual

R

I

MAX

5

------------

1

–

1

–

=

Содержание STEVAL-IHM011V1

Страница 1: ...connector MC Connector and hardware features for developing motor control applications including hardware protection features such as current and thermal protection Figure 1 STEVAL IHM011V1 Features 34 pin dedicated motor control connector 5 pin Hall sensor encoder input Tachometer sensor input Support for 5 V or 3 3 V microcontroller Three configurations for current detection 1 shunt resistor 3 s...

Страница 2: ...characteristics 7 5 Board architecture 8 5 1 MC Connector 9 5 2 Mains connector 11 5 3 ICS connector 12 6 Board schematics 13 6 1 Hardware protection features 15 6 2 Extra features 15 7 Motor control demonstration 15 7 1 Environmental considerations 15 7 2 Hardware requirements 16 7 3 Power board setup 16 7 3 1 Configuring AC input range and shunt resistors configuration 16 7 3 2 Jumpers settings ...

Страница 3: ...UM0428 Contents 3 27 8 References 26 9 Revision history 26 ...

Страница 4: ... leg In the system proposed three legs are present three phase inverter The Power Board STEVAL IHM011V1 is based on a power module STG3P2M10N60B that converts the control signal in the power signals to drive the motor The connection between the control board and the power board is performed through a dedicated 32 pin connector called motor control connector see Section 5 1 MC Connector The IGBT po...

Страница 5: ...trictly observed 2 3 Reference design board installation The installation and cooling of the reference design boards shall be in accordance with the specifications and the targeted application The motor drive converters shall be protected against excessive strain In particular no components are to be bent or isolating distances altered during the course of transportation or handling No contact sha...

Страница 6: ...a 1 phase bridge rectifier plus a 3 phase inverter IGBT all included inside a SEMITOP 2 module Figure 3 Power module VCES 600 V IC 10 A at 80 VCE sat max 2 5 V at IC 7 A TS 25 C 3 1 General features N channel very fast PowerMESH IGBT Lower on voltage drop VCE sat Lower CRES CIES ratio no cross conduction susceptibility Very soft ultra fast recovery antiparallel diode High frequency operation up to...

Страница 7: ...rameter Value Unit VCES Collector emitter voltage VGS 0 600 V IC 1 1 Calculated value Collector current continuous at Ts 25 C 19 A IC 1 Collector current continuous at Ts 80 C 10 A VGE Gate emitter voltage 20 V ICM 2 2 Pulse width limited by max junction temperature TP 1 ms Ts 25 C 38 A ICM TP 1 ms Ts 80 C 20 A IF Diode RMS forward current at Ts 25 C 19 A PTOT Total dissipation at Ts 25 C 56 W VIS...

Страница 8: ...rd and a configuration can be selected by the jumpers 4 Table 3 indicates the maximum current sourced by the power supply pins of the MC connector 28 and 25 The board can be configured to work with three different configurations for current sensing 1 Shunt resistor 3 Shunt resistors or 3 Insulated Current Sensor ICS The amplification network for current sensing is present and configurable for 1 or...

Страница 9: ...R15 R35 R55 with 680 Ω The BEMF conditioning network can be configured to use internal or external comparators For the ST7MC control board STEVAL IHM010V1 internal comparators should be used The board is featured with a conditioning network for the following kinds of sensors Hall sensors three inputs H1 H2 H3 Encoder one sensor with three inputs A B Z Tachometer sensor one sensor Figure 5 shows th...

Страница 10: ...MCO2 8 Ground VSS 9 Low side PWM phase B MCO3 10 Ground VSS 11 High side PWM phase C MCO4 12 Ground VSS 13 Low side PWM phase C MCO5 14 BUS voltage AIN1 15 Phase A current GND Fault Shut_Down L6386 PWM_1H PWM_1L PWM_2L PWM_2H PWM_3H PWM_3L NTC bypass Relay 5V GND GND GND GND GND GND Current PhaseA Current PhaseB Current PhaseC GND GND GND Dissipative Brake PWM Bus voltage Heatsink temperature GND ...

Страница 11: ... pin 1 of J5 Figure 7 Mains connector 16 Ground VSS 17 Phase B current MCCFI 18 Ground VSS 19 Phase C current 20 Ground VSS 21 NTC PYPASS RELAY 22 Ground VSS 23 Dissipative BRAKE PC2 24 Ground VSS 25 5 V VDD 26 HEATSINK temperature AIN0 27 PFC SYNC ICAPx_B 28 3V3 29 PFC PWM OCMP1_B 30 Ground VSS 31 ENCODER A MCIA 32 Ground VSS 33 ENCODER B MCIB 34 ENCODER INDEX MCIC Table 4 Motor control connector...

Страница 12: ...ed to connect the Insulated current sensor to the board See Table 5 for pin out Figure 8 ICS connector Table 5 ICS connector pin out Pin Function 1 Ground 2 Ground 3 ICS Input C 4 GND ICS Input C 5 ICS Input B 6 GND ICS Input B 7 ICS Input A 8 GND ICS Input A 9 5 V 10 Ground ...

Страница 13: ...UM0428 Board schematics 13 27 6 Board schematics Figure 9 Power board schematic page 1 ...

Страница 14: ...Board schematics UM0428 14 27 Figure 10 Power board schematic page 2 ...

Страница 15: ...ge divider No hardware protection for over voltage is implemented but the value is sent to the control board via the MC connector 6 2 Extra features A resistive brake network is present on the board The expected control signal is pin 23 of the MC connector drive To use this feature a control board is required with a resistive brake control strategy implemented 6 The software to address this featur...

Страница 16: ...ents To set up the IGBT power module eval kit system the following items are required The control board STEVAL IHM010V1 The power board STEVAL IHM011V1 34 pin flat cable High Voltage isolated AC power supply up to 220 V 10 A Isolated DC power supply up to 30 V 3 A Softec inDART STX not included in the package Softec ICC Isolation board not included in the package Two 10 pin flat cable not included...

Страница 17: ... up to 220 Vac input keep W15 open The power board can be configured to use a single shunt resistor or a three shunt resistor 8 To use ICS the board must be configured for three shunt resistors and the operational amplifier networks as described on page 9 must be modified To configure the board for a single shunt wires must be soldered between point 1 and point 2 of W17 and W20 while keeping point...

Страница 18: ...U1B W6 Between 1 2 Sets the voltage supplied to Hall Encoder Sensors to Vdd_Micro values see W13 Between 2 3 Sets the voltage supplied to Hall Encoder Sensors to 5 V W7 Between 1 2 If sensorless control is set see W4 it connects motor phase B to MC connector through R29 R30 R32 R33 feedback resistors In this case the microcontroller internal comparator is used to detect the BEMF Between 2 3 The ex...

Страница 19: ...f the Mains is above 24 Vac VIPer is used to obtain 15 V Between 2 3 Use this setting if the Mains is below 24 Vac L7815 regulator is used to obtain 15 V Open Leave open if 15 V DC external power supply is used W18 Present 1 Connect the Diag signal of the driver to the Fault pin 1 of MC connector through the U12A used to adapt voltage level Not Present Fault pin 1 of MC connector is not connected ...

Страница 20: ... voltage is supplied to the microcontroller via the MC connector Table 7 Configuration for each firmware Driving strategy Jumper name Selection AC Ind Motor W2 W4 W9 open W12 closed W1 W7 W11 open BLDC Sensorless W2 W4 W9 between 1 2 W12 open W1 W7 W11 between 1 2 BLDC Sensored W2 W4 W9 between 2 3 W12 open W1 W7 W11 open BLAC Sensored W2 W4 W9 between 2 3 W12 open W1 W7 W11 open Table 8 Jumper se...

Страница 21: ...ontrol board must be preventively configured see control board user manual 1 Connect the insulated high voltage power supply to the J6 connector of STEVAL IHM011V1 Pin 2 3 2 Connect the 34 pin flat cable between the two MC connectors J4 of Control board and J3 of power board 3 Connect the phases of the motor to the power board J4 connector and if it is required connect the sensor signal to the Tac...

Страница 22: ...e 13 Changing the divider factor to increase the current protection level If the system is configured for single shunt only R114 must be soldered If the system is configured for three shunt R114 R101 R123 must be soldered The value of the resistor s express in kΩ can be calculated from the following formula Equation 1 For IMAX 10 A one or three resistor of 1 kΩ must be soldered Note Read how to ch...

Страница 23: ... C27 C41 C59 C69 10 nF 16 V 12 2 C28 C34 4 7 nF 250 V 13 1 C29 100 nF 400 V 14 3 C71 C72 C73 NC 15 2 C31 C35 1000 µF 200 V 16 9 C32 C33 C45 C47 C48 C58 C60 C61 C64 1 µF 25 V 17 3 C36 C52 C65 1 nF 50 V 18 1 C37 47 nF 16 V 19 3 C38 C53 C66 10 µF 35 V 20 1 C40 2 2 nF 16 V 21 1 C42 220 nF 16 V 22 1 C43 10 µF 25 V 23 1 C44 1 uF 50 V 24 2 C56 C62 100 µF 25 V 25 1 C70 10 pF 25 V 26 3 D1 D3 D5 BAR43FILM 2...

Страница 24: ...1 R8 R9 R10 R11 R13 R14 R31 R52 4 7 kΩ 1 4 W 53 9 R2 R3 R16 R26 R29 R30 R37 R59 R60 180 kΩ 1 4 W 54 6 R4 R15 R28 R35 R54 R55 560 Ω 1 4 W 55 6 R5 R6 R32 R33 R61 R62 150 kΩ 1 4 W 56 14 R7 R20 R36 R43 R49 R56 R64 R72 R74 R79 R103 R106 R117 R125 1 kΩ 1 4 W 57 3 R12 R39 R63 1 2 kΩ 1 4 W 58 3 R17 R23 R41 220 kΩ 1 4 W 59 5 R18 R38 R47 R57 R67 390 kΩ 1 4 W 60 5 R19 R40 R48 R58 R68 330 kΩ 1 4 W 61 10 R21 R...

Страница 25: ...R115 R126 100 Ω 1 4 W 81 3 R104 R118 R127 0 1 Ω 5W 3 82 1 R109 3 3 kΩ 1 4 W 83 1 R111 1 5 kΩ 1 4 W 84 1 T1 STF715 85 1 U1 TSH24ID 86 1 U2 TS374ID 87 1 U4 M74HC09RM13TR 88 1 U6 M74HCT7007RM13TR 89 3 U7 U10 U15 L6386D 90 1 U8 VIPer12AS 91 1 U9 L7815CP 92 1 U11 L7805CP 93 1 U12 TS372ID 94 1 U14 LD1117S33TR 95 12 W1 W2 W4 W5 W6 W7 W9 W11 W16 W21 W22 W23 Stripline 3 Pin Jumper 96 8 W3 W8 W12 W13 W14 W1...

Страница 26: ...cs ST7MC motor control related application notes Complete information about motor control libraries developed for ST7MC microcontroller Web site http mcu st com Dedicated to the complete STMicroelectronics microcontroller portfolio motor control forum http mcu st com mcu modules php mop modload name Splatt_Forums file viewforum forum 13 9 Revision history Table 10 Revision history Date Revision Ch...

Страница 27: ...ANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE ST PRODUCTS ARE NOT RECOMMENDED AUTHORIZED OR WARRANTED FOR USE IN MILITARY AIR CRAFT SPACE LIFE SAVING OR LIFE SUSTAINING APPLICATIONS...

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