Typical Application Circuit
+15V
Up to 200V
UU
UL
1
2
HIN1
LIN1
V B1
HO1
20
19
3-Phase
BLDC Motor
VU
3
HIN2
V S1
18
V S1
Q1
Q3
Q5
Controller
VL
4
LIN2
LO1
17
Q1
WU
5
HIN3
V B2
16
Q3
Q5
V S1
I U
U
WL
6
LIN3
HO2
15
3-Phase Inverter
7
LO3
V S2
14
V S2
V S2
I V
V
W
Q4
8
V S3
LO2
13
Q6
Q2
V S3
I W
9
HO3
V DD 12
Q4
Q6
Q2
10
V B3
GND 11
V S3
FAN7888 Rev.00
Figure 1. 3-Phase BLDC Motor Drive Application
Internal Block Diagram
V B1
UVLO
HO1
HIN1
UHIN
NOISE
CANCELLER
R R
S
Q
V S1
HIN2
VDD_UVLO
UVLO
V DD
SCHMITT
TRIGGER INPUT
HIN3
ULIN
VDD
DELAY
LO1
GND
LIN1
SHOOT-THOUGH
PREVENTION
V DD
U Phase Driver
V B2
LIN2
LIN3
CONTROL LOGIC
VHIN
VLIN
V DD
WHIN
WLIN
V Phase Driver
W Phase Driver
HO2
V S2
LO2
V B3
HO3
V S3
LO3
FAN7888 Rev.01
Figure 2. Functional Block Diagram
? 2008 Fairchild Semiconductor Corporation
FAN7888 ? Rev.1.0.1
2
www.fairchildsemi.com
相关PDF资料
FDA215S IC DRIVER MOSFT DUAL PHOTO 8-SMD
FDS1212 SHELF FOLD DOWN 12X12" BEIGE
FDS1818 SHELF FOLD DOWN 18X18" BEIGE
FFSD-17-01-N CONN SOCKET 34POS IDC .05"
FI-DP42CL1 PLUG PLUG 42POS COAX DISCRETE WIRE
FI-J20C5-T3000 CONN PLUG 0.4MM 20POS
FI-X20C-NPB CONN PLUG CABLE 1MM 20POS SOLDER
FIN4.00RD FIREFLEX FIBERGLASS 4" RED 50'
相关代理商/技术参数
FAN7930 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Interleaved Dual BCM PFC Controllers
FAN7930B 制造商:Fairchild Semiconductor Corporation 功能描述:
FAN7930BM 功能描述:功率因数校正 IC Critical Conduction Mode PFC Controller RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
FAN7930BMX 功能描述:功率因数校正 IC Critical Conduction Mode PFC Controller RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
FAN7930BMX_G 制造商:Fairchild Semiconductor Corporation 功能描述:IC PFC CTLR CRITICAL CONF 8-SOIC 制造商:Fairchild Semiconductor Corporation 功能描述:Power Factor Correction - PFC Critical Conduction Mode PFC Controller 制造商:Fairchild Semiconductor Corporation 功能描述:Critical Conduction Mode PFC Controller
FAN7930C 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:The FAN7930C is an active power factor correction(PFC) controller for boost PFC applications that operate in critical conduction mode(CRM).
FAN7930CM 功能描述:功率因数校正 IC Critical Conduction Mode PFC Controller RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
FAN7930CMX 功能描述:功率因数校正 IC Critical Conduction Mode PFC Controller RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel