LTC4226
应用信息
D1
SS3P5
可选
12V
R
S1
33m
故障
指标
R1
4.7k
LED1
Q1
Si2318CDS
端口1
1394
1394
SOCKET PLUG
V
CC1
ON1
FAULT1
CLS
SENSE1 GATE1
OUT1
FTMR1
1.35A
C
T1
15nF
C
T2
15nF
端口2
1394
1394
SOCKET PLUG
LTC4226-2
GND
FTMR2
R2
4.7k
FAULT2
LED2
ON2
V
CC2
SENSE2 GATE2
OUT2
Z1
DFLT15A
R
S2
33m
Q2
Si2318CDS
1.35A
4226 F09
图9. 12V FireWire端口，带有LED故障指示器
R7
1k
Q5
BSS139
D1
SS3P5
可选
7V至33V
V REG
R
S1
30m
Q1
FDMS86500DC
或Si7164DP
Q3
FDMS2672
或Si7172DP
R
G1
10
端口1
1394
1394
SOCKET PLUG
R1
150k
R3
150k
PHY
可选
调节器
V
CC1
ON1
FAULT1
CLS
FAULT2
ON2
SENSE1 GATE1
OUT1
FTMR1
D2A
MMBD4148CA
C
T1
220nF
C
T2
220nF
R
G2
10
D2B
MMBD4148CA
1.5A
LTC4226-2
GND
FTMR2
R2
50k
Z2
33V
R5
1k
R4
50k
V
CC2
SENSE2 GATE2
OUT2
端口2
1394
1394
SOCKET PLUG
+
C1
10F
Z1
SMCJ33A
R
S2
30m
Q2
FDMS86500DC
或Si7164DP
Q4
FDMS2672
或Si7172DP
1.5A
4226 F10
R8
1k
Z3
3V
R6
1M
Q5
BSS139
图10. 2个FireWire端口与正过电压隔离
4226f
17
