OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

PCA9511ADP,118

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
PCA9511A_4 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 04 — 19 August 2009 10 of 24
NXP Semiconductors
PCA9511A
Hot swappable I
2
C-bus and SMBus bus buffer
Fig 8. Hot swapping multiple I/O cards into a backplane using the PCA9511A in a PCI system
002aab585
R4
10 kΩ
C1
0.01 µF
SDAOUT
SCLOUT
READY
V
CC
GND
R5
10 kΩ
R6
10 kΩ
ENABLE
SDAIN
SCLIN
CARD1_SDA
CARD1_SCL
STAGGERED CONNECTOR
I/O PERIPHERAL CARD 1
BACKPLANE
CONNECTOR
R8
10 kΩ
C3
0.01 µF
SDAOUT
SCLOUT
READY
V
CC
GND
R9
10 kΩ
R10
10 kΩ
ENABLE
SDAIN
SCLIN
CARD2_SDA
CARD2_SCL
STAGGERED CONNECTOR
I/O PERIPHERAL CARD 2
R2
10 kΩ
R1
10 kΩ
V
CC
BACKPLANE
SDA
SCL
C4
0.01 µF
C2
0.01 µF
Remark: See
Application Note AN255, ‘I
2
C repeaters, hubs, and expanders’
for more information on other devices better
optimized for long distance transmission of the I
2
C-bus or SMBus.
Fig 9. Repeater/bus extender application using the PCA9511A
002aab586
R7
10 kΩ
C2
0.01 µF
SDAOUT
SCLOUT
READY
V
CC
GND
ENABLE
SDAIN
SCLIN
R8
10 kΩ
V
CC
SDA1
SCL1
to other
System 2
devices
I
2
C-bus System 2
R6
10 kΩ
R4
10 kΩ
C1
0.01 µF
SDAOUT
SCLOUT
READY
V
CC
GND
ENABLE
SDAIN
SCLIN
R1
10 kΩ
V
CC
= 5 V
SDA1
SCL1
to other
System 1
devices
I
2
C-bus System 1
R5
10 kΩ
long
distance
bus
R3
10 kΩ
R2
10 kΩ
PCA9511A_4 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 04 — 19 August 2009 11 of 24
NXP Semiconductors
PCA9511A
Hot swappable I
2
C-bus and SMBus bus buffer
9. Application design-in information
10. Limiting values
[1] Voltages with respect to pin GND.
V
CC
>V
CC_LOW
R
drop
is the line loss of V
CC
in the backplane.
Fig 10. System with disparate V
CC
voltages
002aab587
R4
10 kΩ
C2
0.01 µF
SDAOUT
SCLOUT
READY
V
CC
GND
ENABLE
SDAIN
SCLIN
R1
10 kΩ
V
CC
SDA
SCL
R5
10 kΩ
R
drop
V
CC_LOW
R2
10 kΩ
R3
10 kΩ
SDA2
SCL2
Fig 11. Typical application
002aab579
ENABLE READY
GND
4
5
7
2
R5
10 kΩ
R3
10 kΩ
R4
10 kΩ
SCLOUT
SDAOUT
1
6
3
C1
0.01 µF
8
R1
10 kΩ
R2
10 kΩ
V
CC
(2.7 V to 5.5 V)
SCLIN
SDAIN
ENABLE
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
V
CC
supply voltage
[1]
−0.5 +7 V
V
n
voltage on SDAIN, SCLIN, SDAOUT,
SCLOUT, READY, ENABLE
[1]
−0.5 +7 V
T
oper
operating temperature −40 +85 °C
T
stg
storage temperature −65 +150 °C
T
sp
solder point temperature 10 s max. - +300 °C
T
j(max)
maximum junction temperature - +125 °C
PCA9511A_4 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 04 — 19 August 2009 12 of 24
NXP Semiconductors
PCA9511A
Hot swappable I
2
C-bus and SMBus bus buffer
11. Characteristics
Table 5. Characteristics
V
CC
= 2.7 V to 5.5 V; T
amb
=
−
40
°
C to +85 V; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
Power supply
V
CC
supply voltage
[1]
2.7 - 5.5 V
I
CC
supply current V
CC
= 5.5 V;
V
SDAIN
=V
SCLIN
=0V
[1]
- 3.5 6 mA
I
CC(sd)
Shut-down mode supply
current
V
ENABLE
= 0 V; all other pins at
V
CC
or GND
- 0.1 - µA
Start-up circuitry
V
pch
precharge voltage SDA, SCL floating
[1]
0.8 1.1 1.2 V
V
IH(ENABLE)
HIGH-level input voltage
on pin ENABLE
- 0.5 × V
CC
0.7 × V
CC
V
V
IL(ENABLE)
LOW-level input voltage
on pin ENABLE
0.3 × V
CC
0.5 × V
CC
-V
I
I(ENABLE)
input current on pin
ENABLE
V
ENABLE
= 0 V to V
CC
- ±0.1 ±1 µA
t
en
enable time
[2]
- 110 - µs
t
idle(READY)
bus idle time to READY
active
[1]
50 105 200 µs
t
dis(EN-RDY)
disable time (ENABLE to
READY)
-30-ns
t
stp(READY)
SDAIN to READY delay
after STOP
[3]
- 1.2 - µs
t
READY
SCLOUT/SDAOUT to
READY delay
[3]
- 0.8 - µs
I
LZ(READY)
off-state leakage current
on pin READY
V
ENABLE
=V
CC
- ±0.3 - µA
C
i(ENABLE)
input capacitance on
pin ENABLE
V
I
=V
CC
or GND
[4]
- 1.9 4.0 pF
C
o(READY)
output capacitance on
pin READY
V
I
=V
CC
or GND
[4]
- 2.5 4.0 pF
V
OL(READY)
LOW-level output
voltage on pin READY
I
pu
= 3 mA; V
ENABLE
=V
CC
[1]
- - 0.4 V
Rise time accelerators
I
trt(pu)
transient boosted pull-up
current
positive transition on SDA,
SCL; V
CC
= 2.7 V;
slew rate = 1.25 V/µs
[5][6]
12-mA
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

PCA9511ADP,118

Mfr. #:
Buy PCA9511ADP,118
Manufacturer:
NXP Semiconductors
Description:
Buffers & Line Drivers HOTSWAP I2C/SMBUS BUFFER
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet