FAN7389 Datasheet, PDF (2/18 Pages) Fairchild Semiconductor – 3-Phase Half-Bridge Gate-Drive IC

Typical Application Diagram
V_DD
UU
VU
3-Phase _WU
BLDC Motor
Controller ^UL
VL
WL
CONTROL
CRCIN
1 VDD
2 HIN1
3 HIN2
4 HIN3
5 LIN1
6 LIN2
7 LIN3
8 FO
9 CS
10 EN
11 RCIN
12 COM
VB1 24
HO1 23
VS1 22
VB2 21
HO2 20
VS2 19
VB3 18
HO3 17
VS3 16
LO1 15
LO2 14
LO3 13
V_MOTOR
Uup
VS1
Uup
Vup
Vup
VS2
VS1
Wup
Wup ^{3-Phase Inverter}
VS3
VS2
Udn
Vdn
VS3
Wdn _Udn
Vdn
Wdn
U
V
W
RCS
Figure 1. 3-Phase BLDC Motor Drive Application
© 2010 Fairchild Semiconductor Corporation
FAN7389 • Rev. 1.0.0
2
www.fairchildsemi.com