參數(shù)資料
型號(hào): PCA9512DP
廠商: NXP SEMICONDUCTORS
元件分類: 其它接口
英文描述: Level shifting hot swappable I2C and SMBus buffer
中文描述: SPECIALTY INTERFACE CIRCUIT, PDSO8
封裝: 3 MM, PLASTIC, SOT-505-1, TSSOP-8
文件頁數(shù): 8/16頁
文件大?。?/td> 176K
代理商: PCA9512DP
Philips Semiconductors
Product data sheet
PCA9512
Level shifting hot swappable I
2
C and SMBus buffer
2004 Oct 05
8
C1
0.01
μ
F
R4
10 k
R5
10 k
I/O PERIPHERAL CARD 1
R6
10 k
R3 5.1
C2
0.01
μ
F
V
CC
V
CC2
SDAIN
SCLIN
SDAOUT
SCLOUT
ACC
GND
CARD1_SDA
CARD1_SCL
PCA9512
C3
0.01
μ
F
R8
10 k
R9
10 k
I/O PERIPHERAL CARD 2
R10
10 k
R4 5.1
C4
0.01
μ
F
V
CC
V
CC2
SDAIN
SCLIN
SDAOUT
SCLOUT
ACC
GND
CARD2_SDA
CARD2_SCL
PCA9512
R1
10 k
R2
10 k
V
CC2
V
CC
SDA
SCL
BACKPLANE
BACKPLANE
CONNECTOR
SW02118
S
S
NOTE:
Application assumes bus capacitance within “proper operation” region of Figures 5 and 6.
Figure 8. Hot swapping multiple I/O cards into a backplane using the PCA9512 with a custom connector
C1
0.01
μ
F
R3
10 k
R2
10 k
V
CC
V
CC2
SDAIN
SCLIN
SDAOUT
SCLOUT
ACC
GND
CARD_SDA
CARD_SCL
PCA9512
C2
0.01
μ
F
R4
10 k
R1
10 k
V
CC
5 V
CARD_V
CC
, 3 V
SCL
SCL
SW02119
NOTE:
Application assumes bus capacitance within “proper operation” region of Figures 5 and 6.
Figure 9. 5 V to 3.3 V level translator and bus buffer
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