Sensing in automotive powertrain and braking system.pdf
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2742 KB
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Sensing in Automotive -
Powertrain and Braking Systems
1
Agenda
•
Brief Introduction
•
Automotive electronics & sensors
•
Capabilities available from ON Semiconductor
•
Powertrain Systems
•
Gasoline and diesel engines
•
Main powertrain sensors
•
Braking and Stability Control Systems
•
Basic systems: ABS, EBD, TCS, ESC
•
Sensors for dynamic braking
•
Examples of automotive sense interface ICs
•
Sensing interface IP from ON Semiconductor
2
Automotive Electronics
•
Value added by ON Semiconductor APG
– Proprietary High-Voltage Processes
– Innovative Solutions: Sensor Interfaces,
IVN, High-Voltage System-on-Chip
– Harsh Environment Applications
– Extensive Automotive Portfolio
←
focus area for
green electronics
•
Key Successes in sensing
–
–
–
–
Steering/Pedal Angle Sensor
Pressure sensors for Powertrain / Braking
Position Sensors for Headlight Control
Gyro Sensors for Stability Control
•
Main drivers for new electronics
– Safety
– Emissions
– Fuel consumption
•
Regulation plays a key role
3
Modern Automotive Sensors
•
•
•
•
•
•
•
•
External sensing element or MEMS
Built-in protections (shorts, EMI, ESD…)
Diagnostic modes / redundancy
Accuracy / linearity reaching ~0.1% to 1%
NVM for trimming and calibration
Nonlinear temperature compensation
T
J
at IC: from –40
o
C up to +125~200
o
C
Target failure rate: zero ppm
4
Automotive Technologies Portfolio
Voltage
100 V
80 V
HBIMOS
I2T100
50 V
I3T50
25 V
5V
3.3 V
1.8 V
ABX
C07
1K
5K
0.7 u
0.6 u
I2T30(E)
C5X
I3T25
D3
C035
C3,C035U
100K
I3T80
I4T
C018
500K
0.18 u
Gate Count
Geometry
(drawn poly)
Features
5
>1.5 u
0.35 u
(OTP, EEPROM, etc.)
Plik z chomika:
Choniczek.pl
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