Datasheet KP276A1201 (Infineon) - 18

CONFIDENTIAL KP276A1201 Digital Absolute Pressure Sensor Specification 2 Specification 2.1 Application circuit example
Microcontroller KP276 5 V Supply C2 NCS GND NTC VDD C1 VDD R ~ ~ CLK NTCIN RPULL-UP RTau1 Rf SDI SENTOUT ~ ~ SENTIN Cinput CTau1 Cf RV SDO VDD ~ ~ SENT HW Interface dTMAP Module ECU GND
Figure 16 Application circuit example Table 12 Component values Component Symbol Values Unit Min. Typ. Max.
Supply Blocking Capacitor C1 30 100 - nF NTC Capacitor C2 - 330 - pF Pull-up Resistor RPULL-UP 10 - 55 kΩ Parasitic Input Capacitor Cinput - - 0.1 nF Low Pass Resistor RTau1 448 560 672 Ω Low Pass Capacitor CTau1 1.54 2.2 2.86 nF Low Pass Resistor - second stage Rf 4 - - kΩ Low Pass Capacitor - second stage Cf - 47 - pF optional resistor Rv - 100 - kΩ Filter Time Constant - first stage, determined by RTau1 and Tau1 0.74 - 1.73 µs CTau1 Filter Time Constant - second stage, determined by Rv, Rf Tau2 0.6 - 1.4 µs and Cf Note: For the application PCB-layout, it is mandatory to route the NTC GND wire in such a way that the chip current or any other current does not run through any of the NTC input connections. Star ground connection is recommended for the NTC-GND and GND of the supply source. This will reduce the additional external voltage drop that could influence the external NTC accuracy. Datasheet 18 Revision 1.0 2019-01-25 Document Outline dTurboTMAP with SENT Output and Temperature Sensor Interface Features Potential applications Product validation Description Table of contents 1 Functional description 1.1 Pin configuration 1.2 Pin description 1.3 Block Diagram 1.4 Transfer function pressure 1.4.1 Pressure transfer function characteristics 1.4.2 Pressure accuracy 1.5 Transfer function temperature 1.5.1 Temperature transfer function characteristics 1.6 SENT interface 1.6.1 Physical layer 1.6.2 Data link layer 1.6.2.1 Nibble specification 1.6.2.2 Status and communication nibble 1.6.2.3 Enhanced serial message format 1.6.2.4 Enhanced serial message data 1.6.3 Pressure channel output codes 1.6.4 Temperature channel output codes 1.6.5 Diagnostic Error Codes 1.6.5.1 Signal out of range 1.6.5.2 Diag1 1.6.5.3 Diag2 1.6.5.4 EEPROM Check 1.6.6 Definition of Pressure signal path latency 1.7 External temperature sensor 1.7.1 Linearization of the external temperature sensor transfer function 1.7.2 Accuracy for NTC signal processing 2 Specification 2.1 Application circuit example 2.2 Application circuit example for EMC 2.3 Absolute maximum ratings 2.4 Operating range 2.5 Characteristics 3 Package information 3.1 PG-DSOF-8-162 Outline 3.2 Identification code Revision history Disclaimer