FAN73892 Fairchild Semiconductor, FAN73892 Datasheet - Page 2

• Manufacturer Part Number: FAN73892
• Description: The FAN73892M is a monolithic three-phase half-bridge gate-drive IC designed for high-voltage, high-speed, driving MOSFETs and IGBTs operating up to +600V
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FAN73892 • Rev.1.0.1
Typical Application Diagram
Internal Block Diagram
12
11
10
2
3
4
5
6
7
8
RCIN
HIN1
HIN2
HIN3
LIN1
LIN2
LIN3
FO
Vss
EN
50K
50K
50K
50K
50K
50K
150K
SHOOT-THROUGH
V
ENABLE INPUT
[ t
REF
[ t
PREVENTION
INPUT NOISE
[
DEAD-TIME
FLTEN
FLTIN
D
i
FILTER
FILTER
RCIN
T
=300ns
=250ns
=250ns
3.3V
Fault
Figure 1. 3-Phase BLDC Motor Drive Application
]
]
]
V
V
RCIN,TH
RCIN,HYS
Figure 2. Functional Block Diagram
= 3.3V
= 0.7V
U Phase Driver
UHIN
V
ULIN
V
VHIN
V
WHIN
WLIN
VLIN
DD
DD
DD
Q
R
DOMINANT
LATCH
SET
2
W Phase Driver
S
V Phase Driver
UVLO
CANCELLER
NOISE
V
DD_UVLO
DELAY
R
S
UVLO
R
CS_COMP
Q
Protection Circuit
SOFT-OFF
I
SOFT
I
SOFT
LEB
0.5V
HO3
I
LO3
HO2
HO1
COM
LO2
SOFT
LO1
V
V
V
V
V
V
V
B3
CS
B2
S3
B1
S1
S2
DD
COM
COM
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