LC898211-N-TE-B-H Integrated Circuits (ICs)

Today, different types of motor controllers, drivers and motion controls are used in variety of applications from consumer electronics to industrial automation. Among these motor controllers, LC898211-N-TE-B-H from NXP semiconductor is specifically designed for vehicle motion applications like 4WD, suspension control and power steering. This application note explains the features and functions of the LC898211-N-TE-B-H motor controller and its main application field.

Functionality: The LC898211-N-TE-B-H is a single-chip solution for automotive motor control. It is cost effective, highly integrated and requires minimal external components to function. It includes an ARM Cortex M3 core, as well as multiple dedicated peripherals. The processor core runs the motor control algorithm and has 64kByte of internal flash memory and 16kByte of SRAM. An external 16bit ADC provides the input signals to the controller. The ADC has an analog-to-digital converter (ADC) and an onboard temperature sensor. The controller also has an embedded PWM controller and current Sense circuit for maximum efficiency.

The LC898211-N-TE-B-H has a wide operating range from -40°C to + 105°C. It is capable of performing motor control functions up to 35V switching at 500 kHz. It has a switcheable amplifier section for different application types. The overall power efficiency can reach up to 95%. The controller\'s diagnostic features and control functions provide flexible and reliable motor control.

Working Principle: The LC898211-N-TE-B-H controls the motor speed, torque, and direction via its ARM Cortex M3 processor. The processor combines user-defined algorithms with the external signals from the sensors in order to correctly control the motor. A closed loop control system is used where the actual motor current is regulated in proportion to the desired current. The processor continuously monitors the current and adjusts the PWM output accordingly. This closed loop control system ensures the precise regulation and operation of the motor.

The controller also supports multiple open loop control algorithms such as speed, position, and torque control. It includes dedicated peripherals such as the ADC and temperature sensor that can be used to detect and monitor the environment. The onboardI2C interface provides communication between the motor controller and external host devices such as PCs, smartphones and industrial controllers. This feature simplifies integration, reduces design complexity and cost.

Application field: The LC898211-N-TE-B-H is specifically designed for automotive applications such as 4WD, traction control, power steering, electronically actuated brakes and suspension control systems. The controller provides precise, robust and reliable performance in these applications while achieving maximum efficiency with minimal external components. It is suitable for a wide range of automotive applications from passenger cars to heavy-duty automotive vehicles. The controller is a highly integrated and cost effective solution for automotive motor control applications.

In conclusion, the LC898211-N-TE-B-H is an advanced, cost-effective and highly integrated motor controller designed for automotive application. It has an embedded ARM Cortex M3 core and other dedicated peripherals for precise and efficient operation. The LC898211-N-TE-B-H is a robust solution for motion control applications ranging from passenger cars to heavy-duty vehicles.