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ZSSC4151CE1B is an automotive sensor signal conditioning chip, mainly used for high-precision amplification and correction of resistive bridge sensor signals. The ZSSC4151CE1B runs correction algorithms through an internal 16-bit RISC microcontroller to achieve digital compensation for sensor offset, sensitivity, temperature drift and nonlinear errors. The compensation parameters are stored in the built-in EEPROM.

Core features

Digital compensation is provided for sensor offset, sensitivity, temperature drift and nonlinearity

It can be adjusted to almost all full-bridge or half-bridge sensors

The analog gain is 200, and the digital zoom option supports sensors with a range as low as 1mV/V

Output options: Ratio 12-bit analog voltage output (e.g., 5-95% or 10-90%), with freely adjustable clamping or ZACwire™ digital single-wire interface (OWI)

Temperature compensation: Internal or external diodes, external series resistance of the bridge or RTD

The sensor is biased by internal voltage

All module pins offer high voltage up to 40V and reverse polarity protection: VDDE, VSSE and AOUT

Maximum power supply current: 7mA

AOUT short-circuit protection

Traceability is achieved through user-defined registers

Application field

ZSSC4151CE1B supports direct writing of calibration coefficients through a digital interface, simplifying the calibration process. Therefore, it is highly suitable for signal processing of various resistive sensors in automotive electronic control systems. ‌

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