pca9512dp NXP Semiconductors, pca9512dp Datasheet - Page 8

• Manufacturer Part Number: pca9512dp
• Description: Level Shifting Hot Swappable I2c And Smbus Buffer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
NOTE: Application assumes bus capacitance within “proper operation” region of Figures 5 and 6.
NOTE: Application assumes bus capacitance within “proper operation” region of Figures 5 and 6.
2004 Oct 05
Level shifting hot swappable I
V
SDA
SCL
10 k
V
CC2
CC
R1
BACKPLANE
Figure 8. Hot swapping multiple I/O cards into a backplane using the PCA9512 with a custom connector
R2
10 k
V
CC
5 V
SCL
SCL
CONNECTOR
BACKPLANE
10 k
R1
10 k
R4
Figure 9. 5 V to 3.3 V level translator and bus buffer
C2
0.01 F
SDAIN
SCLIN
2
V
CC
C and SMBus buffer
PCA9512
GND
V
CC2
R3 5.1
R4 5.1
0.01 F
SDAOUT
SCLOUT
0.01 F
0.01 F
8
C1
ACC
C2
C4
V
SDAIN
SCLIN
V
SDAIN
SCLIN
CC
CC
10 k
R3
PCA9512
PCA9512
10 k
R2
I/O PERIPHERAL CARD 1
I/O PERIPHERAL CARD 2
V
V
GND
GND
CC2
CC2
0.01 F
0.01 F
CARD_SDA
CARD_SCL
C1
C3
SDAOUT
SDAOUT
SCLOUT
SCLOUT
ACC
ACC
R4
10 k
R8
10 k
CARD_V
10 k
10 k
R5
R9
CC
, 3 V
PCA9512
Product data sheet
10 k
10 k
R6
R10
CARD1_SDA
CARD1_SCL
CARD2_SDA
CARD2_SCL
SW02119
SW02118