User guide
7 of 45
V 1.0.1
2021-01-27
REF-AIRCON-C302A-IM564 user guide
Air conditioner application reference design kits
The board at a glance
1.3
Main features
The REF-AIRCON-C302A-IM564 board is an optimized reference design for 220 V air conditioner applications,
which contains iMOTION™ controller IMC302A, 20 A, 600 V PFC-integrated CIPOS™ Mini IPM and 1ED44175 PFC
gate driver.
Major REF-AIRCON-C302A-IM564 characteristics include:
•
Input voltage 85~265 V
AC
•
Maximum 2500 W at 220 V
AC
power input with forced air cooling
•
Maximum 1400 W at 220 V
AC
power input without forced air cooling
•
20 A, 600 V PFC-integrated CIPOS™ Mini IPM
•
On-board 10 A, 400 µH PFC inductor for 40 kHz PFC operation
•
VSP host interface for external BLDC fan
•
AC fan and 4-way valve control relay
•
Single-wire UART communication interface to IDU
•
Overcurrent and over temperature protection, fault diagnostic LED output
•
Auxiliary power supply with 15 V, 12 V and 5 V
•
PCB is 250 mm × 157 mm, 2 layers, 1 oz. copper
•
RoHS compliant
1.4
Board parameters and technical data
Table 2 depicts the key specifications of the reference design of REF-AIRCON-C302A-IM564.
Table 2
REF-AIRCON-C302A-IM564 board specifications
Parameter
Symbol Conditions / comments
Value
Unit
Input voltage
V
ac
Optimized design for 220 V
AC
applications
85 ~ 265
V
rms
Maximum input current
I
ac(max1)
Input 220 V
AC
, T
a
=25
C, natural cooling mode
6
A
rms
I
ac(max2)
Input 220 V
AC
, T
a
=25
C, with 1 m/s wind cooling
12
A
rms
Maximum output power
P
in(max1)
Input 220 V
AC
, Motor f
PWM
= 6 kHz, PFC f
PWM
=40 kHz,
T
a
=25°C, IPM T
C
= 105 °C, Natural cooling mode
1400
W
P
in(max2)
Input 220 V
AC
, Motor f
PWM
= 6 kHz, PFC f
PWM
=40 kHz,
T
a
=25°C, IPM T
C
= 105 °C, 1 m/s force cooling mode
2500
W
Maximum motor current
I
mtr(max1)
Input 220 V
AC
, Motor f
PWM
= 6 kHz, PFC f
PWM
=40 kHz,
T
a
=25°C, IPM T
C
= 105 °C, Natural cooling mode
6
A
rms
I
mtr(max2)
Input 220 V
AC
, Motor f
PWM
= 6 kHz, PFC f
PWM
=40 kHz,
T
a
=25°C, IPM T
C
= 105 °C, 1 m/s force cooling mode
10
A
rms
DC bus voltage
Maximum DC bus voltage
V
dc(max)
DC bus capacitors are 450 V, 470 µF x 2
450
V
Minimum DC bus voltage
V
dc(min)
Aux power supply brown-in voltage
80
V
