SI9979CS Vishay, SI9979CS Datasheet
SI9979CS
Specifications of SI9979CS
Available stocks
Related parts for SI9979CS
SI9979CS Summary of contents
Page 1
... CAP CAP CAP High-Side U.V. Lockout Input Logic One Shot Si9979 Vishay Siliconix D Cross Conduction Protection D Current Limiting D Undervoltage Lockout D Internal Pull-Up Resistors Bootstrap Reg. 36 CAP A Charge Pump ...
Page 2
... Si9979 Vishay Siliconix ABSOLUTE MAXIMUM RATINGS Voltage on Pin Voltage on Pins 1−4, 10 Voltage on Pins 5− Voltage on Pins 26, 28, 30, 32, 34 Voltage on Pins 27, 31 Operating Temperature C Suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3
... −40 to 85_C 0.001 0. Top Drive BR GT- GT Vishay Siliconix Limits Min Typ Max 12.2 0.8 V − 3.3 DD −5 C Suffix 90 100 110 D Suffix 85 100 125 100 120 Outputs Bottom Drive GT FAULT Si9979 Unit Conditions Disable Power Down Brake Over I in BRK Over I www ...
Page 4
... A logic “1” on this input selects commutation for motor rotation in the “forward” direction. This is the default condition as this www.vishay.com 4 ORDERING INFORMATION Standard Lead (Pb)-Free Part Number Part Number CAP Si9979CS Si9979CS— Si9979DS Si9979DS— NOTE: Si9979CS and Si9979DS are supplied in trays. CAP CAP pin is pulled up internally ...
Page 5
... Document Number: 70012 S-41209—Rev. E, 21-Jun-04 Vishay Siliconix Pins 12−16: 21−24, 37−41, 44−48, GND These pins are the return path for both the logic and gate drive circuits. Also, they serve to conduct heat out of the package, into the circuit board ...
Page 6
... Si9979 Vishay Siliconix PIN DESCRIPTION (CONT’D) Pin 34 This is the gate drive output for the top MOSFET in Phase A. Pin 35 This pin is negative supply of the high-side drive circuitry. As such the connection for the negative side of the bootstrap capacitor, the top MOSFET Source, the bottom MOSFET Drain, and the Phase A output ...
Page 7
... − GND GND 12−16, 21−24 37−41, 44−48 FIGURE 3. Three-Phase AC Motor Controller Si9979 Vishay Siliconix LITTLE FOOT Motor B Windings Notes driving single phase BLDC, tie IN A together and drive with single hall being used bridge controller, tie IN and IN to GND. Use F/R in- ...
Page 8
... Si9979 Vishay Siliconix APPLICATION CIRCUITS www.vishay.com ’ ’ − FIGURE 4. External V Regulator Si9979 Document Number: 70012 S-41209—Rev. E, 21-Jun-04 ...
Page 9
... Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’ ...