IRMCK311 Datasheet, PDF (11/36 Pages) International Rectifier – Dual Channel Sensorless Motor Control IC for Appliances

IRMCK311
FPWMVH
FPWMVL
FPWMWH
FPWMWL
PFCPWM
Output, motor 2 PWM phase V high side gate signal
Output, motor 2 PWM phase V low side gate signal
Output, motor 2 PWM phase W high side gate signal
Output, motor 2 PWM phase W low side gate signal
Output, PFC PWM
Fault
CGATEKILL
P5.0/PFCGKILL
FGATEKILL
Input, upon assertion, this negates all six PWM signals for motor 1,
programmable logic sense
Input, upon assertion, this negates PFCPWM signal, programmable logic
sense, can be configured as discrete I/O in which case CGATEKILL
negates PFCPWM
Input, upon assertion, this negates all six PWM signals for motor 2,
programmable logic sense
4.3 Analog Interface Group
AVDD
AVSS
AREF
CMEXT
IFBC+
IFBC-
IFBCO
IFBF+
IFBF-
IFBFO
IPFC+
IPFC-
IPFO
VAC+
VAC-
VACO
VDC+
VDC-
AIN0/VDCO
AIN1
Analog power (1.8V)
Analog power return
Buffered 0.6V output
Unbuffered 0.6V, input to the AREF buffer, capacitor needs to be
connected.
Input, Operational amplifier positive input for shunt resistor current
sensing of motor 1
Input, Operational amplifier negative input for shunt resistor current
sensing of motor 1
Output, Operational amplifier output for shunt resistor current sensing of
motor 1
Input, Operational amplifier positive input for shunt resistor current
sensing of motor 2
Input, Operational amplifier negative input for shunt resistor current
sensing of motor 2
Output, Operational amplifier output for shunt resistor current sensing of
motor 2
Input, Operational amplifier positive input for PFC current sensing
Input, Operational amplifier negative input for PFC current sensing
Output, Operational amplifier output for PFC current sensing
Input, Operational amplifier positive input for PFC AC voltage sensing
Input, Operational amplifier negative input for PFC AC voltage sensing
Output, Operational amplifier output for PFC AC voltage sensing
Input, Operational amplifier positive input for DC bus voltage sensing
Input, Operational amplifier negative input for DC bus voltage sensing
Input/Output, Analog input channel 0 or Operational amplifier output for
DC bus voltage sensing
Input, Analog input channel 1 (0-1.2V), needs to be pulled down to AVSS
if unused
4.4 Power Interface Group
VDD1
Digital power for I/O (3.3V)
VDD2
Digital power for core logic (1.8V)
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