LTC1647 LINER [Linear Technology], LTC1647 Datasheet - Page 26

• Manufacturer Part Number: LTC1647
• Description: Hot Swap Controller
• Manufacturer: LINER [Linear Technology]

LTC4211
APPLICATIONS INFORMATION
26
ON/RESET
GND
V
CC
ON/OFF
GND
V
5V
CC
CONNECTOR
BACKPLANE
(FEMALE)
CONNECTOR
BACKPLANE
(FEMALE)
CONNECTOR
PCB EDGE
(MALE)
Figure 16. Connection Sense for Rocking the Daughter Board Back and Forth
CONNECTOR
PCB EDGE
(MALE)
LONG
SHORT
LONG
SHORT
SHORT
LAST BLADE OR PIN ON CONNECTOR
LAST BLADE OR PIN ON CONNECTOR
Z1*
LONG
SHORT
SHORT
LONG
ZZ1 = 1SMA10A OR SMAJ10A
M2: 2N7002LT1
* OPTIONAL
Figure 15. Connection Sense with ON/OFF Control
R
10Ω
X
C
0.1μF
10k
X
R8
10k
R1
PCB CONNECTION SENSE
Z1*
PCB CONNECTION SENSE
R4
10k
R1
10k
R2
10k
M2
R
10Ω
X
C
100nF
Q1
X
R2
10k
Q2
R3
10k
2
Z1 = 1SMA10A OR SMAJ10A
M1: 2N7002LT1
Q1, Q2: MMBT3904LT1
* OPTIONAL
ON
M1
V
CC
TIMER
2
8
0.007Ω
R
SENSE
3
ON
LTC4211
C
10nF
SENSE
V
TIMER
CC
TIMER
8
R
0.007Ω
7
SENSE
3
GND
LTC4211
C
10nF
SENSE
Si4410DY
TIMER
4
GATE
M1
RESET
7
6
GND
FB
Si4410DY
4
GATE
5
1
M2
RESET
6
FB
R5
36k
R6
15k
+
5
1
C
LOAD
+
R4
36k
R5
15k
C
R7
10k
LOAD
4211 F15
RESET
LOGIC
μP
R7
10k
4211 F16
RESET
LOGIC
V
5V
5A
μP
OUT
V
5V
5A
4211fb
OUT