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IRMCF311TY Datasheet(PDF) 29 Page - International Rectifier

Part # IRMCF311TY
Description  Dual Channel Sensorless Motor Control IC for Appliances
PDF  33 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IRMCF311TY Datasheet(HTML) 29 Page - International Rectifier

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IRMCF311
29
8 Pin List
Pin
Number
Pin Name
Internal IC
Pull-up
/Pull-down
Pin
Type
Description
1
XTAL0
I
Crystal input
2
XTAL1
O
Crystal output
3
P1.1/RXD
I/O
Discrete programmable I/O or UART receive input
4
P1.2/TXD
I/O
Discrete programmable I/O or UART transmit
output
5
P1.3/SYNC/
SCK
I/O
Discrete programmable I/O or SYNC output or SPI
clock, needs to be pulled up to VDD1 in order to
boot from I2C EEPROM
6
P1.4/CAP
I/O
Discrete programmable I/O or Capture Timer input
7
VDD2
P
1.8V digital power
8
VSS
P
Digital common
9
VDD1
P
3.3V digital power
10
FGATEKILL
I
Fan PWM shutdown input, 2-μsec digital filter,
configurable either high or low true.
11
FPWMWL
70 kΩ Pull
up
O
Fan PWM gate drive for phase W low side,
configurable either high or low true
12
FPWMWH
70 kΩ Pull
up
O
Fan PWM gate drive for phase W high side,
configurable either high or low true
13
FPWMVL
70 kΩ Pull
up
O
Fan PWM gate drive for phase V low side,
configurable either high or low true
14
FPWMVH
70 kΩ Pull
up
O
Fan PWM gate drive for phase V high side,
configurable either high or low true
15
FPWMUL
70 kΩ Pull
up
O
Fan PWM gate drive for phase U low side,
configurable either high or low true
16
FPWMUH
70 kΩ Pull
up
O
Fan PWM gate drive for phase U high side,
configurable either high or low true
17
P2.6/
AOPWM0
I/O
Discrete programmable I/O or analog output 0
(PWM)
18
P2.7/
AOPWM1
Discrete programmable I/O or analog output 1
(PWM)
19
VDD2
P
1.8V digital power
20
VSS
P
Digital common
21
IFBF-
I
Fan single shunt current sensing OP amp input (-)
22
IFBF+
I
Fan single shunt current sensing OP amp input (+)
23
IFBFO
O
Fan single shunt current sensing OP amp output
24
AIN0
I
Analog input channel 0, 0-1.2V range, needs to be
pulled down to AVSS if unused
25
AVDD
P
1.8V analog power



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