User Guide

73
AVR-5805/AVC-A1XV
LTC1694CS5 (IC902) D.VIDEO P.W.B.
LTC4300-2CMS8 (IC903) D.VIDEO P.W.B.
V
CC
1
GND 2
NC 3
5 SMBus1
4 SMBus2
TOP VIEW
V
CC
(Pin 1): Power Supply Input. V
CC
can range from 2.7V
to 6V and requires a 0.1 F bypass capacitor to GND.
Supply current is typically 45 A when the SMBus or I
2
C
lines are inactive (SCL and SDA are a logic high level).
GND (Pin 2):Ground.
NC (Pin 3):No Connection.
SMBus2 (Pin 4):Active Pull-Up for SMBus.
SMBus1 (Pin 5):Active Pull-Up for SMBus.
BLOCK DIAGRA M
-
+
SLEW RATE
DETECTOR
CONTROL
LOGIC
0.65V
V
REF
VOLTAGE
COMP
2.2mA
CHANNEL ONE
CHANNEL TWO
(DUPLICATE OF CHANNEL ONE)
1694-1 BD
1
V
CC
5
SMBus1
SMBus2
2
GND
4
μ
μ
1
2
3
4
ENABLE/V
CC2
SCLOUT
SCLIN
GND
8
7
6
5
V
CC
SDAOUT
SDAIN
READY/ACC
TOP VIEW
BLOCK DIAGRAM
100k
RCH1
100k
RCH3
Ð
+
Ð
+
0.5pF
UVLO
3SCLIN
4300-2 BD
CONNECT CONNECT
STOP BIT AND BUS IDLE
4
4
GND
20pF
RD
S
QB
0.5 A
0.55V
CC
/
0.45V
CC
Ð
+
Ð
+
0.55V
CC2
/
0.45V
CC2
2mA
95 s
DELAY
BACKPLANE-TO-CARD
CONNECTION
CONNECTCONNECT
2 SCLOUT
6SDAIN
8V
CC
BACKPLANE-TO-CARD
CONNECTION
CONNECT
CONNECT
7 SDAOUT
1 V
CC2
5 ACC
1V
PRECHARGE
100k
RCH2
100k
RCH4
CONNECT
SLEW RATE
DECTECTOR
2mA
SLEW RATE
DECTECTOR
2mA
SLEW RATE
DECTECTOR
ACC
ACC
2mA
SLEW RATE
DECTECTOR
2-Wire Bus Buffer and Hot Swap Controller
Ǵ
Ǵ