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IRDM983-025MB Datasheet(PDF) 21 Page - Infineon Technologies AG |
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IRDM983-025MB Datasheet(HTML) 21 Page - Infineon Technologies AG |
21 / 29 page IRDM983-025MB, IRDM983-035MB This document is the property of International Rectifier and may not be copied or distributed without expressed consent. 20 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 = UVW) 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 TST1 8 Pin for factory testing – connect to VDD in normal application TST2 7 Pin for factory testing – connect to VSS in normal application 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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