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ZSSC4151CE4R Datasheet(PDF) 1 Page - Renesas Technology Corp |
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ZSSC4151CE4R Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 33 page  Automotive Sensor Signal Conditioner with Analog Output ZSSC4151C Datasheet © 2022 Renesas Electronics Corporation 1 March 25, 2020 Bridge Sensor with Optional On-Chip PN-Junction Temperature Sensor CLOAD C1 SDA SCL OUT GND VCC VDDA VSSA C2 19 20 22 21 23 24 1 2 3 4 5 6 18 17 16 15 14 13 12 11 9 10 8 7 TOP TS1 BOT BR1N ZSSC4151C (24-QFN Top View) VSSA VDDA SDA SCL VDDE VSSE TS2 Description The ZSSC4151C is a member of Renesas’s family of CMOS integrated circuits for highly accurate amplification and sensor- specific correction of differential bridge sensor signals. Featuring a maximum analog pre-amplification of 200, the ZSSC4151C is adjustable to nearly all resistive sensor bridges. Digital compensation of offset, sensitivity, temperature drift, and nonlinearity is accomplished via a 16-bit RISC microcontroller. Calibration coefficients and configuration data are stored in the ZSSC4151C nonvolatile memory (NVM), which is reliable in auto- motive applications. Measured values are provided via a ratiometric analog output signal at the AOUT pin. End-of-line calibration is also supported through this output pin via Renesas’s ZACwire™ one-wire interface (OWI). Digital calibration helps keep assembly cost low as no trimming by external devices or lasers is needed. The ZSSC4151C is optimized for automotive environments by over-voltage and reverse-polarity protection circuitry, excellent electromagnetic compatibility, and multiple diagnostic features. Typical Applications Fluid brake pressure sensing (PV) Hydraulic pressure sensing (e.g., steering systems with hydraulic steering support) Pneumatic pressure sensing (e.g., air brake systems; pneumatic shock absorbers) Available Support Evaluation Kit Application Notes Calculation Tools Features Differential bridge sensor input and on-chip or external temperature sensors, selectable for conditioning of sensor input signal Digital compensation for offset, gain, and higher-order nonlinearity as well as temperature coefficients of the measured bridge sensor input signal Operating temperature range: -40°C to 150°C Accuracy: ±1.0% FS at -40°C to 150°C Nonvolatile memory (NVM) for configuration, calibration data, and configurable measurement, and conditioning functionality Configurable for nearly all resistive bridge sensors One-pass, end-of-line calibration algorithm minimizes production costs No external trimming or components required Qualified according to the AEC-Q100 Grade 0 automotive standard Physical Characteristics Supply voltage: 4.5V to 5.5V Continuous over-voltage and reverse-polarity protection – no duration limit: up to +/-40V Bridge sensor input span: 1 to 800 mV/V Bridge sensor signal ADC resolution: 12 to 18 bit Output resolution: 12-bit analog output; signed 16-bit readout for raw data acquisition Delivery options: 24-QFN (4.0 4.0 mm; wettable flanks); 16-TSSOP (5.0 4.4 mm exposed pad) Tested die; tested wafer ZSSC4151C Basic Circuit for 24-QFN |
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