SI9910 Vishay Siliconix, SI9910 Datasheet - Page 5

• Manufacturer Part Number: SI9910
• Description: Adaptive Power MOSFET Driver1
• Manufacturer: Vishay Siliconix

V
Document Number: 70009
S-40707—Rev. G, 19-Apr-04
APPLICATION CIRCUIT
DD
OSC
(12 to 15 V)
C3
C2 = Bootstrap Cap
C3 = Chargepump Cap
CMOS
Logic
D1
INPUT
INPUT
R5
R4
Q2
C2
C4
FIGURE 1. High-Voltage Half-Bridge with Si9910 Drivers
V
V
DD
DD
V
SS
PULL-DOWN
PULL-DOWN
PULL-UP
PULL-UP
DRAIN
DRAIN
I
I
SENSE
SENSE
V
V
DS
DS
R3’
C1’
R2’
R3
C1
R2
Vishay Siliconix
R1’
R1
Motor
Q1
Q1’
www.vishay.com
Si9910
5