Electronic stability control system ESC solution

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Electronic stability control system ESC solution

The electronic stability control system (ESC) helps the driver maintain control of the car. Through the use of a microcontroller, a set of sensors for measuring the lateral and longitudinal acceleration, yaw angular velocity, wheel speed and steering angle of the vehicle and the actuators in the anti-lock braking system, the systemic accident of a single vehicle is expected to be reduced by 34%. The systemic accident of a single SUV will be reduced by 59%.

The dual-core 32-bit MCU enables individual control of the braking force on each wheel. If the loss of steering control is detected, the ESC can control the braking and active suspension system functions to stabilize the vehicle.

In addition, by increasing the computing power of the ESC system, active and passive safety systems can be used together.



Freescale electronic stability control system block diagram

Products for electronic stability control

Product Series

product

Explanation

32-bit MCU

• MPC560xP

• MPC564xL

• Main single-core and dual-core controllers for data processing and algorithms

16-bit MCU

• S12XS

• S12P

• Safety companion controller for redundancy and watchdog function

8-bit MCU

• S08SG / SL

• Safety companion controller for redundancy and watchdog function

Analog and mixed signal integrated circuits

• MC33742, MC33901, MC33911, MC33912,

• MC33810, MC33882,

• MC33981, MC33982,

• MC33937,

• MC33902

• System basic chip,



• Output driver

• Solid state eXtreme switch

• 3-phase pre-driver

• CAN / LIN network

sensor

• MMA6900Q

• Dual axis digital output acceleration sensor

Available tools

Evaluation boards, calibration solutions, reference designs, software libraries, AUTOSAR

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