TDA8026ET/C3K

Specialized Overview

The TDA8026ET/C3K is a multiple smart card slot interface IC designed for Point of Sale terminals. It supports up to two main cards and four Security Access Modules within a TFBGA64 package. The device operates with a supply voltage between 2.7 V and 5.5 V, featuring a dedicated microcontroller interface supply (VDD(INTF)) ranging from 1.6 V to 3.6 V. It includes an integrated DC-to-DC converter generating VCC(n) at 5 V, 3 V, or 1.8 V ±5%. Key electrical parameters include a shutdown current of 25 µA typical, active mode current of 210 mA typical, and I/O lines limited to 15 mA with a maximum frequency of 1 MHz.

Specialized Feature Summary

• I2C-bus controlled interface supporting standard and fast modes
• Integrated DC-to-DC converter for flexible card supply generation
• Programmable power reduction modes triggered by inactive slots
• Enhanced ESD protection on card-side contacts

Specialized Applications

• Point Of Sale terminals
• Multiple SAM contact readers

Specialized Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure compliance with required standards. Confirm that the package type matches the design requirements. Check for any regional regulatory certifications relevant to the deployment location. Ensure the component version aligns with the intended application specifications before finalizing procurement orders.

Specialized Selection Notes

Select this component when designing systems requiring multiple smart card interfaces in a compact form factor. Consider the power consumption profiles if battery operation is critical. Verify compatibility with the host microcontroller's I2C bus speed and voltage levels. Evaluate the thermal dissipation capabilities based on the expected load conditions and ambient temperature ranges.

Specialized Part Context

This part belongs to the TDA8026 family of analog interfaces for smart card slots. It is manufactured by NXP Semiconductors. The C3 version specifically complies with EMVCo 4.31 standards. It serves as a cost-effective solution for addressing multiple card slots in payment terminals.

Specialized Replacement Considerations

The TDA8026ET/C2 is a pin-compatible alternative with identical functionality but different compliance standards.