The PCA9517A is a level translating I2C-bus repeater supporting voltage level shifting from as low as 0.9 V to 5.5 V, allowing reliable communication between low-voltage and high-voltage I2C or SMBus systems. It provides bidirectional buffering on both data (SDA) and clock (SCL) lines, supports multiple bus configurations including star and series topologies, and features overvoltage tolerance, open-drain outputs, and lock-up free operation. Suitable for 400 kHz systems, it ensures system integrity with robust ESD protection exceeding 5500 V HBM, and is available in various small-outline packages including SO8, TSSOP8, and HWSON8.
Support voltage level translation from 0.9 V to 5.5 V and from 2.7 V to 5.5 V
Supports I2C and SMBus protocols at up to 400 kHz
Bidirectional open-drain buffer for SDA and SCL lines
Overvoltage tolerant inputs and I/Os up to 5.5 V
Supply voltage for port A: 0.9 V to 5.5 V
Supply voltage for port B: 2.7 V to 5.5 V
Active HIGH repeater enable input with internal pull-up
Lock-up free operation, supporting arbitration and clock stretching
ESD protection exceeds 5500 V HBM and 1000 V CDM
Available in SO8, TSSOP8, HWSON8 packages
Maximum ratings: supply voltages up to ±7 V, I/O current 50 mA, total power dissipation 100 mW
Operating temperature range: -40°C to +85°C
Package dimensions: SO8 (3.9 mm body width), TSSOP8 (3 mm body width), HWSON8 (2 x 3 x 0.8 mm)
Buy the Buy NXP PCA9517A Level Translating I2C Bus Repeater Part Number PCA9517ADP118 Online
Purchase the NXP PCA9517A online today to ensure your I2C and SMBus systems operate smoothly across different voltage levels. This bidirectional, overvoltage tolerant buffer supports high-speed communication at up to 400 kHz, facilitating reliable data transfer in complex system architectures. Its wide operating voltage range and compact size make it ideal for space-constrained applications. With excellent ESD protection exceeding 5500 V HBM, and various package options including SO8, TSSOP8, and HWSON8, the PCA9517A guarantees durability, performance, and flexible integration into your electronic projects.
Buy NXP PCA9517A now and experience unmatched reliability and performance with robust voltage level translation and versatile bus buffering for your systems.
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