ISL33003IRT2Z-T

Overview

The ISL33003IRT2Z-T is a single-channel I2C bus buffer manufactured by Renesas Electronics. It operates within a supply voltage range of +2.3V to +5.5V and supports data rates exceeding 400kHz. The device features rise time accelerators, hot swap capability, and logic level shifting. It provides ±6kV Class 3 HBM ESD protection on all pins and ±12kV HBM protection on SDA/SCL lines. Typical static current is 2.1mA, with shutdown current at 0.5μA. It is housed in an 8-lead TDFN (3mm x 3mm) package with exposed pad, suitable for industrial temperature ranges from -40°C to +85°C.

Feature Summary

• Integrated rise time accelerator circuit reduces passive pull-up resistor power consumption while enhancing data rate performance.
• Built-in hot swap protection prevents damage to data and clock lines during insertion into live backplanes.
• Supports mixed power voltage applications through integrated logic level translation capabilities.

Applications

• I2C bus expansion and capacitance buffering
• Server rack isolation in telecommunications and data communication systems
• Hot swap circuit board insertion and bus isolation

Procurement Notes

Verify the complete part number including the suffix 'IRT2Z-T' to ensure correct packaging and temperature grade. Confirm RoHS compliance status and moisture sensitivity level requirements prior to ordering. Check for specific distributor lot codes or date codes if traceability is required for your manufacturing process.

Selection Notes

Select this component when a single-channel I2C buffer with hot swap protection is required. Compare against the ISL33002 for dual-channel needs. Ensure the system voltage falls within the 2.3V to 5.5V range. Verify that the TDFN-EP-8 package fits the PCB footprint constraints.

Part Context

This part belongs to the ISL3300x family of I2C bus buffers from Renesas/Intersil. It shares core functionalities like rise time acceleration and hot swap protection with the ISL33001 and ISL33002 models. The primary distinction lies in the channel count, with this model providing a single buffered channel compared to the dual channels of its siblings.

Replacement Considerations

Direct functional substitutes include the ISL33001IRT2Z-T for single-channel applications and the ISL33002IRT2Z-T for dual-channel requirements. Verify pin compatibility and package dimensions before substitution.

FAQ

What is the maximum bus capacitance supported?

The device buffers the bus to extend capacitance beyond the standard I2C specification limit of 400pF.

Does the device support logic level translation?

Yes, it includes logic level translation features for mixed power voltage applications.

What is the typical shutdown current?

The typical shutdown current is 0.5μA.