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IRDM982 Datasheet(PDF) 19 Page - International Rectifier

Part No. IRDM982
Description  Dynamic overcurrent limit per temperature
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
Logo IRF - International Rectifier

IRDM982 Datasheet(HTML) 19 Page - International Rectifier

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IRDM982 Series
19 www.irf.com
© 2015 International Rectifier
April 8, 2015
Lead Definitions
Symbol
Pin #
Description
VSP
10
Voltage Set Point analog input. Provides the value of the PWM modulation index to the controller.
PG
14
Provides speed feedback to through pulses per revolution. It is an open drain output 15V tolerant.
Output is a square wave of a 3 pulses per electrical cycle of fundamental frequency
DIR
15
Motor Direction Input (internally pulled up high = U
VW)
EFF
9
Load curve selection parameter Input for efficiency improvement
XTAL
40
Clock buffer output
CLKIN
1
Clock buffer input
VSS
11
Logic ground
COM
16,17
Analog input ITRIP and Power Ground and Low side MOSFET cource
VCC
13
15V supply voltage
HALL1+
4
Hall sensor 1 positive input
HALL1-
3
Hall sensor 1 negative input
HALL2+
6
Hall sensor 2 positive input
HALL2-
5
Hall sensor 2 negative input
HALL3+
8
Hall sensor 3 positive input
HALL3-
7
Hall sensor 3 negative input
VDD
2
3.3V output
U
18,19
U phase output
V
20,21
V phase output
W
22,23,24,
25,26
W phase output
VBU
37
Phase U High side Bootstrap capacitor positive
VBV
38
Phase V High side Bootstrap capacitor positive
VBW
39
Phase W High side Bootstrap capacitor positive
VSU
36
Phase U High side Bootstrap capacitor negative
VSV
35
Phase V High side Bootstrap capacitor negative
VSW
34
Phase W High side Bootstrap capacitor negative
DCBUS
27,28,29,
30,31,32,
33
DC Bus voltage


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