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IRDM983-035MB Datasheet(PDF) 18 Page - Infineon Technologies AG

Part No. IRDM983-035MB
Description  iMOTION™ Motion Controller Module for PM AC Fan
Download  29 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

IRDM983-035MB Datasheet(HTML) 18 Page - Infineon Technologies AG

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IRDM983-025MB, IRDM983-035MB
This document is the property of International Rectifier and may not be copied or distributed without expressed consent.
17
The following Figures show the VSP input mapping, the Hall sensor input circuit, and the ISENSE pin input
filter circuit.
100%
(ADC=511)
0%
(ADC=199)
1.9V
5.0V
VSP
VMOD
6.0V
Figure 12 VSP Range and Thresholds
HALL1,2+
900kohm
900kohm
1.8pF
HALL1,2-
High Gain
OP amp
Hysteresis
comparator
Hyst: 75 mV typ
Gain: 80dB typ
Figure 13 Hall sensor input circuit
Super Clamp
ESD diode
High Side
PWM Off/Low
side all on
or
PWM all off
Dynamic threshold
Hardware
comparator
COM
VSS
VCC
25kW
25kW
25k W
25kW
5V zener
500K
2pF
Figure 14 COM pin current limit comparator and analog filter


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