PCA9511 PHILIPS [NXP Semiconductors], PCA9511 Datasheet - Page 5

• Manufacturer Part Number: PCA9511
• Description: Hot swappable I2C and SMBus bus buffer
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
TYPICAL APPLICATION — PCA9511
BLOCK DIAGRAM — PCA9511
2004 Oct 05
Hot swappable I
ENABLE
SDAIN
SCLIN
UVLO
6
3
1
0.55V
0.45V
CC
SDAIN
CC
SCLIN
ENABLE
/
CONNECT
CONNECT
130 s
DELAY
2
100 k
100 k
SLEW RATE
SLEW RATE
DETECTOR
DETECTOR
RCH1
RCH2
C and SMBus bus buffer
(2.7 V to
5.5 V)
V
CC
10 k
R1
Figure 4. Typical application — PCA9511
2 mA
2 mA
Figure 5. Block diagram — PCA9511
BACKPLANE-TO-CARD
BACKPLANE-TO-CARD
CONNECT
ENABLE
CONNECTION
CONNECTION
R2
10 k
PRECHARGE
1
3
6
1 VOLT
ENABLE
8
0.5 pF
GND
5
C1
0.01 F
4
0.5 A
READY
2 mA
2 mA
20 pF
STOP BIT AND
10 k
BUS IDLE
R5
2
7
5
SLEW RATE
SLEW RATE
DETECTOR
DETECTOR
UVLO
10 k
100 k
RCH3
100 k
RCH4
CONNECT
CONNECT
R3
R4
10 k
RD
S
QB
PCA9510; PCA9511
CONNECT
SCLOUT
SDAOUT
0.55V
0.45V
CONNECT
8
7
2
5
4
Product data sheet
SW01051
CC
CC
V
SDAOUT
SCLOUT
READY
GND
/
CC
SW02151