PCA9510 Просмотр технического описания (PDF) - Philips Electronics
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PCA9510 Datasheet PDF : 19 Pages
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Philips Semiconductors
Hot swappable I2C and SMBus bus buffer
Product data sheet
PCA9510; PCA9511
TYPICAL APPLICATION — PCA9511
VCC
(2.7 V to
5.5 V)
R1
10 kΩ
SCLIN
R2
10 kΩ 8
3
C1
0.01 µF R5
10 kΩ
R3
10 kΩ
2
R4
10 kΩ
SCLOUT
SDAIN
6
7
SDAOUT
ENABLE
BLOCK DIAGRAM — PCA9511
SDAIN 6
SCLIN 3
SLEW RATE
DETECTOR
CONNECT
100 kΩ
RCH1
100 kΩ
RCH2
SLEW RATE
DETECTOR
CONNECT
1
ENABLE
5
READY
GND
4
Figure 4. Typical application — PCA9511
2 mA
BACKPLANE-TO-CARD
CONNECTION
CONNECT
ENABLE
1 VOLT
PRECHARGE
2 mA
BACKPLANE-TO-CARD
CONNECTION
2 mA
SLEW RATE
DETECTOR
CONNECT
100 kΩ
RCH3
2 mA
100 kΩ
RCH4
SLEW RATE
DETECTOR
CONNECT
SW02151
8 VCC
7 SDAOUT
2 SCLOUT
0.55VCC/
0.45VCC
0.55VCC/
0.45VCC
UVLO
ENABLE 1
130 µs
DELAY
2004 Oct 05
STOP BIT AND
BUS IDLE
0.5 µA
20 pF
UVLO
0.5 pF
Figure 5. Block diagram — PCA9511
5
CONNECT
RD
QB
S
5 READY
4 GND
CONNECT
SW01051
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