ZSC31150GAG1-R

Overview

The ZSC31150GAG1-R is a CMOS integrated circuit designed for the amplification and sensor-specific correction of bridge sensor signals. It provides digital compensation for offset, sensitivity, temperature drift, and non-linearity via an internal 16-bit RISC microcontroller. The device accommodates resistive bridge sensors with signal ranges from 1mV/V to 275mV/V. Key electrical parameters include a supply voltage range of 4.5V to 5.5V, an operating current of 5.5mA, and an adjustable ADC resolution of 13 to 16 bits with sampling rates up to 7.8kHz. It features a 12-bit DAC and operates within a temperature range of -40°C to +125°C.

Feature Summary

• Digital compensation of sensor offset, sensitivity, temperature drift, and non-linearity
• Bi-directional digital interfaces including I2C and ZACwire for calibration
• Integrated set of diagnostic functions for safety applications
• Selectable bridge excitation modes: ratiometric voltage or constant current

Applications

• Automotive pressure sensors (piezoresistive and steel-membrane)
• Force, torque, and acceleration sensors
• Angle, position, and revolution sensors
• Safety-critical systems such as braking and steering

Procurement Notes

Verify component authenticity through authorized Renesas distributors or certified partners. Confirm the specific suffix indicates the tube packaging variant. Check for recent Product Change Notifications (PCN) regarding manufacturing site updates. Ensure compliance with RoHS directives and AEC-Q100 automotive qualification standards before integration into final assemblies.

Selection Notes

Select this model when digital calibration capabilities are required for bridge sensors. Verify that the SSOP-14 package fits the PCB layout constraints. Ensure the system design supports the 4.5V to 5.5V supply voltage range. Consider the I2C and ZACwire interface requirements for the host controller. Evaluate if the 125°C maximum operating temperature meets the environmental conditions.

Part Context

This component belongs to the ZSC31150 series of fast automotive sensor signal conditioners. It is part of Renesas Electronics' portfolio of interface ICs optimized for automotive environments. The series includes variants in DFN-14, SSOP-14, and die packages. It is specifically engineered to handle electromagnetic compatibility challenges typical in vehicle electronics.

Replacement Considerations

Direct substitutes within the same family include ZSC31150GLG1-R and ZSC31150GAG1-T. Verify pinout compatibility and package dimensions before substitution. Ensure the replacement variant maintains the same AEC-Q100 qualification status. Cross-reference datasheets for any differences in calibration coefficient storage or interface timing.