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Home Product PCA9511ADP NXP Bidirectional I2C Repeater Hot Swap Level Translator Multi-Master
PCA9511ADP Interfaces

PCA9511ADP NXP Bidirectional I2C Repeater Hot Swap Level Translator Multi-Master

PCA9511ADP IC
I2C bus buffer
Hot-swap level translator
PCA9511ADP
PCA9511ADP IC is a 8-channel I²C bus buffer with hot-swap level translator featuring bidirectional voltage translation between 1.65V-3.6V and 2.3V-5.5V buses. It provides signal buffering, Schmitt trigger inputs, and ±4kV HBM ESD protection. Supports 400kHz I²C operation in TSSOP-8 package for industrial applications.
Categories:Electronic components
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Product Description

The PCA9511ADP IC is a versatile I²C bus buffer with integrated hot-swap level translation capabilities, designed to enhance signal integrity and expand connectivity in multi-device I²C systems. It supports bidirectional buffering and level shifting between two I²C bus segments operating at different voltages, typically translating from 2.3 V to 3.6 V on the upstream side to 5 V on the downstream side. This dual-channel device enables direct connection for up to 400 pF of bus capacitance per segment, facilitating communication across multiple modules without signal degradation. It features robust noise suppression and safeguards against bus lockups during live insertion (hot-swap). The IC operates across a temperature range of -40°C to +85°C, making it suitable for industrial automation, telecommunications, and embedded systems. Key advantages include low standby current, automatic direction sensing, and adaptive timing for optimized data rates, while its primary limitation lies in supporting a maximum I²C frequency of 400 kHz.
ParameterSpecification
Device TypeI²C Bus Buffer & Level Translator
Supply Voltage Range2.3V to 5.5V
Channels2-channel Bidirectional Buffer
Max Data Rate400 kHz
Hot-Swap SupportYes
Package TypeTSSOP-8
Operating Temperature-40°C to +85°C
Key FeaturesReduced mode conversion noise, Bidirectional voltage translation between 2.3V-5.5V buses
ApplicationsServers, Telecom equipment, Multi-master I²C systems
Pin Count8 pins
question:Do you have a professional product sourcing team?
answer:Yes, our expert team analyzes market trends and selects products strategically to meet global demand.
question:What payment methods do you accept?
answer:We accept TT, PayPal, LC, and other secure payment methods for seamless transactions.
question:Why are product brand labels removed upon delivery?
answer:Some manufacturers require label removal per regional policies, but quality remains unaffected. Contact us for details.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Do you have a professional product sourcing team?
answer:Yes, our expert team analyzes market trends and selects products strategically to meet global demand.
question:What payment methods do you accept?
answer:We accept TT, PayPal, LC, and other secure payment methods for seamless transactions.
question:Why are product brand labels removed upon delivery?
answer:Some manufacturers require label removal per regional policies, but quality remains unaffected. Contact us for details.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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