Datasheet

LTC4226
17
4226f
Figure 9. 12V FireWire Ports with LED Fault Indicators
Z1
DFLT15A
FTMR1
GND
C
T1
15nF
OPTIONAL
12V
R
S1
33mΩ
D1
SS3P5
Q1
Si2318CDS
R
S2
33mΩ
Q2
Si2318CDS
C
T2
15nF
FTMR2
ON1
V
CC1
SENSE1 GATE1
LTC4226-2
OUT1
V
CC2
SENSE2 GATE2 OUT2
FAULT1
CLS
FAULT2
ON2
PORT 1
1394
SOCKET
1394
PLUG
4226 F09
PORT 2
1394
SOCKET
1.35A
1.35A
1394
PLUG
R1
4.7k
LED1
FAULT
INDICATORS
R2
4.7k
LED2
Z1
SMCJ33A
FTMR1
GND
C
T1
220nF
OPTIONAL
7V TO 33V
R
S1
30mΩ
D1
SS3P5
Q1
FDMS86500DC
OR Si7164DP
R
S2
30mΩ
Q2
FDMS86500DC
OR Si7164DP
C
T2
220nF
FTMR2
ON1
V
CC1
SENSE1 GATE1
LTC4226-2
OUT1
V
CC2
SENSE2 GATE2 OUT2
FAULT1
CLS
FAULT2
ON2
Q3
FDMS2672
OR Si7172DP
Q4
FDMS2672
OR Si7172DP
Q5
BSS139
Q5
BSS139
PHY
OPTIONAL
CONTROLLER
V REG
C1
10µF
+
Z3
3V
Z2
33V
R3
150k
R4
50k
R1
150k
R2
50k
R6
1M
R8
1k
D2B
MMBD4148CA
D2A
MMBD4148CA
R
G1
10Ω
R
G2
10Ω
R7
1k
R5
1k
PORT 1
1394
SOCKET
1394
PLUG
4226 F10
PORT 2
1394
SOCKET
1.5A
1.5A
1394
PLUG
Figure 10. 2 FireWire Ports with Positive Overvoltage Isolation
applicaTions inForMaTion