ST IHM019V1 User Manual

Features

STEVAL-IHM019V1

Complete inverter for low power

3-phase asynchronous motors demonstration board

Data Brief

■ Voltage Input range 115 V

to 230 VAC

AC

50 Hz or 60 Hz

■ Total output power 50 W

■ High efficiency

■ Switching PWM frequency 12 - 22 kHz

■ Compliant with EN61000-6-3 and

EN61000-6-2

■ Possibility to use two motor types:

– 2-phase motor two sinusoidal voltage

waves restored with a phase displacement
of 90° between them

– 3-phase motor three sinusoidal voltages

with phase displacement of 120° among
them

Applications

■ Water pumps for heating systems in single-

family houses

■ High efficiency surplus water pump for home

appliance white goods, like washing or washer­up machines

■ High efficiency transfer pumps for outlet

condensation water in gas furnace application

AM01597v1

STEVAL-IHM019V1

where high efficiency is required and low cost per
solution is a must.

Description

This demonstration board implements a 3-phase
inverter for low power asynchronous electric
motors or permanent magnet AC motors up to
50 W. Nominal input voltage for inverter is 230
V

- standard single phase connecting. This 3-

AC

phase inverter is based on 8-bit ST7FMC motor
control controller. Main target of this
demonstration board is a very low-cost effective
3-phase inverter for permanent magnet AC motor,
but with certain modification of software it can be
used also for 3-phase asynchronous motors

November 2008 Rev 1 1/4

For further information contact your local STMicroelectronics sales office.

www.st.com

4

Circuit schematic STEVAL-IHM019V1

1 Circuit schematic

Figure 1. Schematic

LSCS

+5VDC

+5V

22uF/10V

C12

C11

100n

1

OUT

GND

7

GND

6

GND

3

GND

2

IN

+5V_source

U2 L78L05AC

8

D5

C10

100n

BZX85C5V1

+15V

+325VDC

HV

D3

D2

U1

5
6
7

8

D1

4

Rectifier,_EMC ,_Power_source,_I/O

RV2

592-275

L2 680uH

C1

L1

4

NTC115R

F1 2A

STTH1L06U

LL4148

D4

4

VDD

150k

R1

C6

+

DZ1

2

+

-

1

12

C5

4n7 Y

C4

12

RV1

LIN1

LIN2

LIN3

HIN1

HIN2

HIN3

Test_pins

TP3

TP6

TP5

TP1

TP2

TP4

15VDC

+15V

15VDC

D7

C14

C9

220nF

600V

1A

10uF

50V

C8

+

22nF

C7

BZX85C15

3

FB

Drain1

VIPer12AS

Source1

Drain2

1

Source2

Drain3

2

Drain4

R2

150k

150uF/400V

P6KE400A

3

L3 680uH

150n-X2

C2

4n7 Y

2 3

10 mH

1

330n-X2

3

2

1

592-275

J1

23 0V~

100uF

+

L4

1000uH200mA

D6

STTH1L06 U

C13

100n

speed_selection

B250C1000DI L

Phase_C

Phase_B

Phase_A

213

J2

CON

Ou tput_p hases

+325VDC

HV

+5V

TP7

3*_half-bridge

BZX85C18

35V

600V 1A

+5V

R8

100R

R13

+5V

R5

10k

CON

C17

100nF/400VAC

Phase_A

Q2

STGP6NC60HD

STGP6NC60HD

Q1

R14 47R

R7 47R

R9 300R

D8

LL4148

C16 2u2/16V

8

5

6

7

LVG

OUT

HVG

Vboot

HIN2Vcc3GND

LIN

U3

4

1

HIN1

LIN1

+15V

HV

R3

470k

pot

M_GN D

C19

10n

10k

Speed

sw

M_GN D

C15

47n

SW1

R15 300R

LL4148

D9

L6388

C18

470n

Vbus

R6

470k

12k

R4

+5V

6

789

J3 ICC connector

123

4

47k

R12

R11

47k

R10

10k

Control_part

Start/Stop

Phase_B

Q3

R17 47R

D10

C20

2u2/16V

U4

M_GND

R16

10k

10

5

LIN2

STGP6NC60HD

STGP6NC60HD

Q4

R19 47R

R18300R

LL4148

D11

8

7

6

5

LVG

OUT

HVG

Vboot

HIN2Vcc3GND

LIN

L6388

4

1

470n

C23

HIN2

LIN2

+15V

HIN1

LIN1

HIN2

31

32

30

MCO( HS)

MCO1 (HS)

MCO2 (HS)

(HS)MCO31(HS)MCO4

(HS)MCO5

U5

3

2

HIN3

LIN3

Q5

R22 47R

R20 300R

D12

LL4148

C24

2u2/16V

U6

pot

25

22

26

21

23

28

27

29

24

Vpp/ICC SEL

PD6(HS)/RDI

PD7(HS)/TDO

PD3/ICAP_1A/AIN13

PD5/AIN15/ICCDATA

PD2 /I CAP 2_A/ MC ZEM/ AI N1 2

PD4/EXTCLK_A/AIN14/ICCCLK

PD0 /OC MP2_ A/ MCPW MW/ AI N1 1

PD1(HS) /OC MP1_ A/MC PW MN/ MCD EM

MCES

AIN0/PW M0/PA3

MCIA/PB1

OSC15OSC2

AIN1/AR TIC1/PA5

MCI C/ PB3

MCIB/PB2

MCVREF/PB0

4

6

7

9

8

11

10

12

sw

C22

30pF

Y1 16MHz

C21

30pF

R28 0.1R

R300.1R

Phase_C

Q6

STGP6NC60HD

STGP6NC60HD

R25 47R

R23300R

LL4148

8

7

6

5

LVG

OUT

HVG

Vboot

GND

LIN1HIN2Vcc

3

4

HIN3

LIN3

C26

100nF

C25

100nF

19

20

17

18

Vss_0

Vdd_0

RESET

VAREF

OAP/PC213OAN/PC314AIN6/MCCFI1/OAZ

MCCREF/PC4

15

16

R21 10k

H_sp

LSCS

R29 300R

D13

LL4148

L6388

470n

C28

+15V

R32

5R1

220R

R24

M_GN D

+5V

R27 470R

ST7FMC 1K 4T6

D14

LED

ON/OFF indicator

C29

1nF

R31

100k

R26

10k

C27

10nF

Vbus

ON/OFF switch

AM01598v1

2/4

STEVAL-IHM019V1 Revision history

2 Revision history

Table 1. Document revision history

Date Revision Changes

12-Nov-2008 1 Initial release.

3/4

STEVAL-IHM019V1

y

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