LB11693H-TLM-E

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The LB11693H-TLM-E is a pulse motor driver and controller that is ideal for use in applications such as electric vehicles (EV), hybrid electric vehicles (HEV) and power-assist vehicles (PAV). It is part of the large family of Pulse Width Modulation (PWM) motor controllers from Intersil, and is designed to provide superior performance, reliability and stability in demanding applications. This product features an emergency stop on input to prevent runaway accidents, as well as a low current drive mode for providing excellent control of the motor during operational conditions.

The main features of the LB11693H-TLM-E include:

• Wide PWM operating range
• Programmable speed and current limits
• Programmable over current protection
• Selectable acceleration and deceleration
• Two independent speed control inputs
• Maximum speed & acceleration gain
• Separate current limit control.

The working principle of the LB11693H-TLM-E is based on the PWM output applied to the motor winding which is used to control the motor speed. The PWM output is derived from a signal received from the speed control input of the controller. The controller can be programmed to receive signal from two separate speed control inputs. The output of the controller is also used to control the current supplied to the motor to protect it from excessive current during start-up or under load conditions.

The controller also includes a low current drive mode which helps provide better control of the motor and can be used to reduce the power consumption of the motor while it is in use. The controller has three selectable acceleration and deceleration profiles and a maximum speed and acceleration gain which can be set as per the requirements of the application. The current limit can also be adjusted to suit the load condition to ensure safe operation. This feature limits the overcurrent when starting applications, which helps in reducing the power loss in the system and provides excellent control of the motor.

The LB11693H-TLM-E also features an emergency stop input to prevent runaway situations or accidents. The controller has an internal thermal protection circuit to protect it from severe thermal stress. It also has an analog speed reference input which can be used during operation to gain greater control over the motor.

In conclusion, the LB11693H-TLM-E is an ideal solution for applications such as electric vehicles, hybrid electric vehicles and power-assist vehicles. Its wide operating range, programmable speed and current limits, selectable acceleration and deceleration profiles, and emergency stop input make it a reliable, efficient, and powerful solution for use in these applications.

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