IRMCF312 International Rectifier, IRMCF312 Datasheet - Page 31
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IRMCF312
Manufacturer Part Number
IRMCF312
Description
Dual Channel Sensorless PM Motor Control IC
Manufacturer
International Rectifier
Datasheet
1.IRMCF312.pdf
(35 pages)
Specifications of IRMCF312
Motion Control Description
Dual Channel Sensorless PM Motor Control IC
Package
QFP100
Moisture Sensitivity Level
MSL3
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IRMCF312TR
Manufacturer:
International Rectifier
Quantity:
10 000
Company:
Part Number:
IRMCF312TY
Manufacturer:
International Rectifier
Quantity:
10 000
Number
Pin
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
P2.4
P2.5
P2.6/
AOPWM0
P2.7/
AOPWM1
VDD2
VSS
VSS
VDD1
P4.0/INT3
P4.4/INT7
IFBF-
IFBF+
IFBFO
AIN0/VDCO
VDC+
VDC-
AVDD
AVSS
AIN1
CMEXT
AREF
IFBC-
IFBC+
IFBCO
DNC
AIN2
AIN3
AIN4
AIN5
Pin Name
Internal IC
/Pull-down
Pull-up
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
P
P
P
P
P
P
I
I
I
I
I
I
I
-
I
I
I
I
Unbuffered analog reference voltage output (0.6V)
Fan single shunt current sensing OP amp input (+)
Analog input channel 0 or DC bus voltage sensing
Analog input channel 1, 0-1.2V range, needs to be
Analog input channel 2, 0-1.2V range, needs to be
Analog input channel 2, 0-1.2V range, needs to be
Analog input channel 2, 0-1.2V range, needs to be
Analog input channel 2, 0-1.2V range, needs to be
Fan single shunt current sensing OP amp input (-)
Compressor single shunt current sensing OP amp
Compressor single shunt current sensing OP amp
Compressor single shunt current sensing OP amp
Fan single shunt current sensing OP amp output
Discrete programmable I/O or analog output 0
Discrete programmable I/O or analog output 1
DC bus voltage sensing OP amp input (+)
Discrete programmable I/O or Interrupt 3
Discrete programmable I/O or Interrupt 7
DC bus voltage sensing OP amp input (-)
Analog reference voltage output (0.6V)
pulled down to AVSS if unused
pulled down to AVSS if unused
pulled down to AVSS if unused
pulled down to AVSS if unused
pulled down to AVSS if unused
Discrete programmable I/O
Discrete programmable I/O
Analog power (1.8V)
3.3 V digital power
1.8V digital power
Analog common
Digital common
Digital common
Do not connect.
OP amp output
Description
input (+)
input (-)
(PWM)
(PWM)
output
IRMCF312
31