PCA9512AD,112 NXP Semiconductors, PCA9512AD,112 Datasheet - Page 10

• Manufacturer Part Number: PCA9512AD,112
• Description: IC LEVSHIFT I2C/SMBUS BUFF 8SOIC
• Manufacturer: NXP Semiconductors
• Type: I²C-Bus and SMBus Switchr

Specifications of PCA9512AD,112

• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Applications: Hot-Swap/SMB Buffer
• Internal Switch(s): Yes
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Logic Family: PCA
• Maximum Operating Temperature: 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Number Of Lines (input / Output): 3 / 3
• Logic Type: Bus Buffer
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-3361-5; 935279721112; PCA9512AD

NXP Semiconductors
PCA9512A_PCA9512B
Product data sheet
Fig 8.
Fig 9.
V
SDA
10 kΩ
V
SCL
CC2
CC
Remark: Application assumes bus capacitance within ‘proper operation’ region of
Remark: Application assumes bus capacitance within ‘proper operation’ region of
Hot swapping multiple I/O cards into a backplane using the PCA9512A with a custom connector
5 V to 3.3 V level translator and bus buffer
R1
BACKPLANE
V
CC
R2
10 kΩ
(5 V)
SDA
SCL
CONNECTOR
BACKPLANE
R1
10 kΩ
R4
10 kΩ
All information provided in this document is subject to legal disclaimers.
SDAIN
SCLIN
C2
0.01 μF
Rev. 5 — 5 January 2011
V
PCA9512A
CC
Level shifting hot swappable I
R3
5.1 Ω
R7
5.1 Ω
GND
C2
C4
V
CC2
0.01 μF
0.01 μF
SDAOUT
SCLOUT
C1
0.01 μF
PCA9512A
PCA9512A
ACC
V
SDAIN
SCLIN
V
SDAIN
SCLIN
CC
CC
PCA9512A; PCA9512B
I/O PERIPHERAL CARD 1
I/O PERIPHERAL CARD 2
R3
10 kΩ
V
V
GND
GND
CC2
CC2
SDAOUT
SCLOUT
SDAOUT
SCLOUT
R2
10 kΩ
C1
0.01 μF
C3
0.01 μF
ACC
ACC
Figure 5
Figure 5
002aab793
2
CARD_SDA
CARD_SCL
R4
10 kΩ
R8
10 kΩ
C-bus and SMBus bus buffer
and
and
CARD_V
Figure
Figure
R5
10 kΩ
R9
10 kΩ
CC
6.
6.
(3 V)
R6
10 kΩ
R10
10 kΩ
© NXP B.V. 2011. All rights reserved.
CARD1_SDA
CARD1_SCL
CARD2_SDA
CARD2_SCL
002aab792
10 of 24