Overview
LMD18245T/NOPB is a high-efficiency motor driver chip launched by Texas Instruments, designed for controlling brushless DC motors (BLDC), stepper motors and other types of motor drives. It provides high power output and excellent current control capabilities, and is widely used in industrial automation, home appliances, robots, and electric vehicles. With its high efficiency, low noise and excellent thermal management capabilities, LMD18245T/NOPB is an ideal choice for high-performance motor control systems.
Technical specifications
| parameter | Specification |
| Operating voltage | 12V to 55V |
| Output Current | 3A (continuous), 6A (peak) |
| Package Type | TO-220 |
| PWM frequency | Up to 100kHz |
| Operating temperature range | -40°C to +125°C |
| efficiency | High efficiency, low power consumption, low noise |
| Protection function | Overcurrent protection, thermal shutdown, undervoltage lockout, short circuit protection |
| Drive type | H-bridge driver |
| Integrated functions | Integrated MOSFET, control circuit, protection circuit |
LMD18245T/NOPB Outstanding Features
● High-efficiency drive
The LMD18245T/NOPB provides up to 6A of peak current output for high power motor drive applications while ensuring efficient power conversion and low heat generation.
● Wide operating voltage range
It supports a wide voltage range of 12V to 55V, which can meet various power requirements and adapt to various application scenarios.
● Powerful protection
Multiple built-in protection mechanisms, such as over-current protection, thermal shutdown, under-voltage lockout and short-circuit protection, effectively improve the reliability and safety of the system.
● High PWM frequency support
Supporting PWM drive frequency up to 100kHz, it makes the motor run more smoothly and reduces vibration and noise.
● Integrated MOSFET and control circuit
The chip integrates MOSFET, control circuit and protection circuit, reducing the need for external components and simplifying the design.
Application Areas
The excellent performance of LMD18245T/NOPB makes it widely used in many fields:
● Industrial Automation: Used to drive stepper motors or brushless DC motors (BLDC) in robot control systems and automated production lines.
● Household appliances: widely used in motor drive systems of washing machines, electric fans, air conditioners and other household appliances.
● Power Tools: Provides efficient motor drive in high-performance power tools to ensure long-term stable operation.
● Electric Vehicles: Provide efficient motor control solutions for electric cars, electric bicycles, electric scooters, etc.
● Robotics: Driving motors in precision robotic systems to ensure high-precision motion control.
Comparative Analysis: LMD18245T/NOPB vs. Other Motor Driver ICs
| Features/Specifications | LMD18245T/NOPB | Common motor driver chips |
| Output Current | 3A (continuous), 6A (peak) | 2A – 3A (continuous) |
| Operating voltage range | 12V to 55V | 5V to 40V |
| PWM frequency | Up to 100kHz | 20kHz – 50kHz |
| Protection function | Overcurrent, thermal shutdown, undervoltage lockout, short circuit protection | Overcurrent protection only |
| Package Type | TO-220 | TO-220 or other |
Compared with common motor drive chips, the LMD18245T/NOPB provides higher peak current, wider operating voltage range and more protection functions, making it suitable for demanding motor drive applications.
Texas Instruments: Synonymous with Innovation and Reliability
Texas Instruments (TI) is a leading global manufacturer of semiconductors and electronic components, committed to providing innovative solutions. TI’s motor driver series has always enjoyed a high reputation in the fields of industrial control, automotive electronics, consumer electronics, etc. LMD18245T/NOPB is part of TI’s high-performance motor drive solution, which meets the high demands of modern motor control systems with its high efficiency, reliability and versatility.
Why choose LMD18245T/NOPB?
High peak current output: supports a maximum peak current of 6A, suitable for high-power motor drive.
Wide operating voltage range: Supports operating voltage from 12V to 55V, suitable for a variety of power requirements.
Comprehensive protection functions: Multiple safety protections such as overcurrent, thermal shutdown, undervoltage lockout and short circuit protection are integrated to ensure long-term stable operation of the motor drive system.
High PWM frequency: Supports PWM drive frequency up to 100kHz, ensuring smooth and low-noise operation of the motor.
Simplified design: Integrates MOSFETs and control circuitry to reduce external component requirements and system complexity.
FAQ
Q1: Does LMD18245T/NOPB support stepper motor drive?
A1: Yes, the LMD18245T/NOPB supports stepper motors and brushless DC motors (BLDC). It provides smooth PWM control and is suitable for motor drive applications that require precise control. The driver enables high-precision stepper motor control, ensuring smooth operation of the motor at both high and low speeds. Especially in applications that require frequent starting and stopping, it can effectively reduce vibration and noise.
Q2: Does LMD18245T/NOPB have overheat protection function?
A2: Yes, LMD18245T/NOPB has a built-in thermal shutdown protection mechanism, which automatically shuts down the circuit when the chip temperature is too high to prevent damage due to overheating. This protection function can effectively extend the service life of the device and avoid the negative impact of high temperature on the system. In addition, the chip also supports thermal recovery mode. Once the temperature returns to a safe range, the chip will automatically re-enable to ensure continuous and stable operation of the motor drive.
For more information or to get a quote, please visit the following links:
Product Details: Win Source – LMD18245T/NOPB
Request a Quote: Win Source – RFQ for LMD18245T/NOPB
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