SIC631 Datasheet, PDF (6/18 Pages) Vishay Siliconix – 50 A VRPower Integrated Power Stage

www.vishay.com
FUNCTIONAL BLOCK DIAGRAM
VDRV
BOOT
V_CIN
ZCD_EN#
PWM
CGND
UVLO
V_CIN
PWM logic
control &
state
machine
Anti-cross
conduction
control
logic
-
+
GL
-
+
SiC631
Vishay Siliconix
V IN
PHASE
V_SWH
VDRV
DEVICE TRUTH TABLE
ZCD_EN#
Tri-state
L
L
L
H
H
H
GL
PGND
Fig. 3 - SiC631 Functional Block Diagram
PWM
X
L
H
Tri-state
L
H
Tri-state
GH
GL
L
L
L
H, I_L > 0 A
L, I_L < 0 A
H
L
L
L
L
H
H
L
L
L
S16-1261-Rev. C, 27-Jun-16
6
Document Number: 67104
For technical questions, contact: [e-mail]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000