TCA9517

Product Folder Order Now Technical Documents Tools & Software Support & Community TCA9517 SCPS242D – DECEMBER 2012 – REVISED JULY 2017 TCA9517 Level-Shifting I2C Bus Repeater 1 Features 1 Two-Channel Bidirectional Buffer I2C Bus and SMBus Compatible Operating Supply Voltage Range of 0.9 V to 5.5 V on A-side Operating Supply Voltage Range of 2.7 V to 5.5 V on B-side Voltage-Level Translation From 0.9 V - 5.5 V to 2.7 V - 5.5 V Footprint and Functional Replacement for PCA9515B Active-High Repeater-Enable Input Open-Drain I2C I/O 5.5-V Tolerant I2C and Enable Input Support Mixed-Mode Signal Operation Accommodates Standard Mode and Fast Mode I2C Devices and Multiple Masters High-Impedance I2C Pins When Powered-Off Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II ESD Protection Exceeds JESD 22 – 5500 V Human-Body Model (A114-A) – 200 V Machine Model (A115-A) – 1000 V Charged-Device Model (C101) 2 Applications Servers Routers (Telecom Switching Equipment) Industrial Equipment Products with Many I2C Slaves and/or Long PCB Traces 3 Description The TCA9517 is a bidirectional buffer with level shifting capabilities for I2C and SMBus systems. It provides bidirectional voltage-level translation (uptranslation/down-translation) between low voltages (down to 0.9 V) and higher voltages (2.7 V to 5.5 V) in mixed-mode applications. This device enables I2C and SMBus systems to be extended without degradation of performance, even during level sh...