pca9512dp NXP Semiconductors, pca9512dp Datasheet - Page 3
pca9512dp
Manufacturer Part Number
pca9512dp
Description
Level Shifting Hot Swappable I2c And Smbus Buffer
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9512DP.pdf
(16 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PCA9512DP
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Philips Semiconductors
TYPICAL APPLICATION
BLOCK DIAGRAM
2004 Oct 05
Level shifting hot swappable I
SDAIN
SCLIN
V
CC
UVLO
8
6
3
0.55V
0.45V
0.01 F
V
A
SDA
A
SCL
5 V
CC
CC
CC
CC
CC
C3*
/
10 k
CONNECT
CONNECT
R1
DELAY
95 s
100 k
100 k
SLEW RATE
SLEW RATE
DETECTOR
DETECTOR
RCH1
RCH2
0.01 F
C4*
10 k
R2
SDAIN
SCLIN
C2
0.01 F
2 mA
2 mA
BACKPLANE-TO-CARD
BACKPLANE-TO-CARD
V
2
CC
CONNECTION
CONNECTION
Figure 2. Typical application
C and SMBus buffer
PRECHARGE
PCA9512
Figure 3. Block diagram.
1 VOLT
GND
V
0.5 pF
CC2
* CAPACITORS NOT REQUIRED IF BUS IS SUFFICIENTLY LOADED
0.01 F
3
0.5 A
C1
SDAOUT
SCLOUT
CONNECT
ACC
2 mA
2 mA
20 pF
STOP BIT AND
10 k
BUS IDLE
SLEW RATE
SLEW RATE
DETECTOR
DETECTOR
R3
UVLO
CONNECT
100 k
RCH3
100 k
RCH4
CONNECT
10 k
R4
0.01 F
10 k
R5
RD
S
C5*
QB
0.01 F
C6*
CONNECT
CARD_V
4
CARD_SDA
CARD_SCL
CONNECT
GND
CC
PCA9512
7
2
Product data sheet
3 V
SW02069
1
5
SDAOUT
SCLOUT
0.55V
0.45V
V
ACC
SW02068
CC2
CC
CC
/