ZSSC3138BE2T

Overview

The ZSSC3138BE2T is a CMOS integrated circuit from the ZSSC313x family, designed as an automotive-grade sensor signal conditioner for resistive bridge sensors. It features an internal 16-bit RISC microcontroller that performs digital compensation for offset, sensitivity, temperature drift, and non-linearity using coefficients stored in on-chip EEPROM. The device supports I2C interface communication and operates within a supply voltage range of 4.5 V to 5.5 V. It provides an analog gain of up to 420 with an overall gain capability of 1680, utilizing a high-resolution ADC. The component is qualified to AEC-Q100 standards and functions reliably across an extended temperature range.

Feature Summary

• Digital compensation of sensor offset, sensitivity, temperature drift, and non-linearity via internal microcontroller
• High amplification with adjustable analog gain up to 420 and overall gain up to 1680
• Single-pass calibration procedure storing coefficients in on-chip EEPROM
• AEC-Q100 automotive qualification with reverse polarity and short circuit protection

Applications

• Ceramic thick-film-based pressure sensor applications
• Strain gauge signal conditioning
• Automotive sensor systems requiring laser-trim-free stability

Procurement Notes

Verify the specific suffix 'BE2T' against official Renesas documentation to confirm tape-and-reel packaging details. Ensure compatibility with the required I2C interface and supply voltage parameters. Confirm AEC-Q100 grade requirements match the target automotive application specifications before procurement.

Selection Notes

Select this component when designing systems with resistive bridge sensors that require high accuracy without post-manufacturing laser trimming. The internal digital correction capabilities simplify the design process by handling non-linearity and temperature effects automatically. Ensure the system architecture supports the 4.5 V to 5.5 V supply range and I2C communication protocol.

Part Context

The ZSSC3138BE2T belongs to the ZSSC313x product family of sensor signal conditioners. This family is engineered for both automotive and industrial environments, focusing on precise amplification and correction of resistive bridge signals. The series integrates microcontroller functionality directly with the signal path to enhance long-term stability and measurement accuracy.

Replacement Considerations

Consult official Renesas documentation for confirmed substitute part numbers within the ZSSC313x family. Verify pinout and functional equivalence before considering alternatives.