company blog about Supply TI Motor Drivers:BDC/BLDC/GaN/Stepper Motor Driver

Supply TI Motor Drivers:BDC/BLDC/GaN/Stepper Motor Driver

Shenzhen Mingjiada Electronics Co., Ltd. is a renowned distributor of electronic components, committed to providing our customers with high-quality service through our expertise, integrity, technical know-how and extensive experience.

Supply Advantages:

1. Quality and Authenticity Guarantee

Direct procurement from manufacturers/authorised channels: We have established long-term partnerships with over 500 renowned semiconductor manufacturers worldwide; 100% genuine products with batch traceability.

Strict quality control: Certified to ISO 9001 and ISO 14001; we implement end-to-end inspections to eliminate counterfeit and refurbished products.

2. Ample Stock and Rapid Dispatch

Extensive inventory: Smart warehouses in Shenzhen, Hong Kong, Taiwan and other locations, with over 2 million SKUs in stock and more than 5,000 high-demand products held in stock at all times.

Rapid dispatch: 98 per cent of orders are dispatched within 24 hours; urgent requirements can be delivered within 48 hours, significantly shortening procurement lead times.

3. Product Coverage and One-Stop Service

Comprehensive Product Coverage: Microcontrollers (MCUs), microprocessors (MPUs), power management ICs, field-programmable gate arrays (FPGAs), digital signal processors (DSPs), analogue-to-digital converters/digital-to-analogue converters (ADCs/DACs), power devices, sensors and more, covering consumer electronics, automotive, industrial, communications and the Internet of Things (IoT).

One-Stop Ordering: We provide a complete solution ranging from product selection and quotations to delivery and after-sales support, simplifying the procurement process.

Procurement Flexibility: We support both single-unit orders (samples) and large-scale production orders.

I. BDC Brushed DC Motor Drivers

BDC brushed DC motor drivers are TI’s entry-level, cost-effective motor drive solutions, specifically designed for traditional brushed DC motors. Based on an H-bridge drive architecture, they feature a simple circuit design and are easy to debug. With their focus on low cost and high stability, they are the mainstream choice for consumer and small-scale industrial equipment. TI BDC drivers are highly integrated; most single-chip solutions incorporate H-bridge power transistors, current sensing, fault protection and logic control circuits, eliminating the need for additional external power components and significantly reducing PCB footprint.

Key Technical Features

Wide voltage range: mainstream products support a wide input voltage range of 1.65V to 60V, suitable for both battery-powered low-voltage applications and industrial low-voltage power supply scenarios; Precise real-time current monitoring enables constant-current drive and overload prediction; comprehensive built-in protection mechanisms, including under-voltage lock-out (UVLO), over-current protection (OCP), thermal shutdown (TSD) and short-circuit protection, coupled with support for automatic fault recovery, significantly enhance operational stability. They also support simple logic control for forward/reverse operation, start/stop and speed regulation, and are compatible with standard MCU logic-level inputs, offering exceptional adaptability.

Leading Models and Applications

The DRV82xx series is the mainstay of general-purpose BDC drivers, covering small-to-medium power applications and operating within a voltage range of 5V to 50V; the DRV8870, a classic best-seller, features a compact package and is specifically designed for small electromechanical equipment, finding widespread use in low-power devices such as printers, small domestic appliances and small industrial actuators. The entire product line emphasises lightweight design, low cost and zero-tuning operation, making it suitable for applications requiring moderate control accuracy and seeking the best possible value for money.

II. BLDC (Brushless DC) Motor Drivers

BLDC motor drivers represent TI’s core solutions for mid- to high-end motor drives. Optimised for three-phase brushless DC motors and permanent magnet synchronous motors (PMSMs), they address the pain points associated with brushed motors—such as carbon brush wear, high noise levels and short service life. Featuring high efficiency, low noise, long service life and high-precision speed control, they are the solution of choice for industrial automation, high-end household appliances and automotive equipment. TI’s BLDC drivers are categorised into integrated driver ICs and smart gate driver ICs, catering to design requirements across different power ratings.

Key Technical Features

Supports precise three-phase full-bridge drive, with integrated Hall signal detection and sensorless back-EMF (BEMF) detection, enabling both sensor-based and sensorless control modes to meet high-speed, high-precision speed control requirements; Featuring intelligent gate drive technology, these devices offer low switching losses and fast dynamic response, significantly enhancing motor operating efficiency; high-end models can achieve efficiencies of over 99 per cent. They incorporate a functional safety design suite and advanced diagnostic functions, enabling real-time monitoring of faults such as motor stalling, phase loss, overtemperature and overvoltage, making them suitable for the demanding operating conditions of industrial and automotive applications. It also supports various algorithms, including FOC (Field-Oriented Control) and square-wave control, making it suitable for high-precision speed and position control applications.

Representative Models and Applications

The DRV8350R is a classic industrial-grade three-phase BLDC gate driver, suitable for 54V high-voltage and 1.5kW medium-to-high-power applications. Equipped with a high-precision sampling circuit, it is widely used in industrial fans, water pumps and automation actuator modules; The entire range of BLDC drivers is suitable for applications such as smart home fans, in-vehicle air conditioning, industrial servo mechanisms and drone propulsion systems. Thanks to their low-noise, high-efficiency and highly reliable performance, they fully replace traditional brushed drive solutions.

III. GaN (Gallium Nitride) High-Frequency Motor Drivers

TI’s GaN motor drivers are high-end drive solutions designed for high-frequency, high-efficiency and high-power-density applications. Specifically engineered for wide-bandgap power devices such as gallium nitride (GaN) power FETs, MOSFETs and IGBTs, they overcome the frequency and efficiency limitations of traditional silicon-based drivers and serve as core components in high-end industrial power supplies, high-speed motors and new energy equipment. Compared to traditional silicon-based drive solutions, GaN drivers offer key advantages such as fast switching speeds, extremely low losses, high-temperature resistance and high power density.

Key Technical Features

Supports ultra-high-frequency switching operation, enabling high-speed drive at the MHz level and significantly enhancing motor dynamic response; precise gate drive timing control effectively suppresses switching oscillations and voltage spikes, reducing electromagnetic interference (EMI); with extremely low on-state and switching losses, the overall energy efficiency of the equipment far exceeds that of traditional drive solutions, meeting the requirements of high-efficiency design; Featuring a wide operating voltage range, exceptional environmental adaptability and multi-level protection mechanisms, it is suitable for harsh industrial environments characterised by high temperatures and high levels of interference. It also supports the parallel driving of multiple devices, enabling expansion into high-power motor drive applications.

Key Advantages and Application Scenarios

TI’s GaN driver solutions fundamentally address the pain points of traditional motor drives—namely ‘high frequency but low efficiency, excessive heat generation and bulky size’—facilitating the miniaturisation and efficiency upgrades of equipment. They are primarily used in high-end industrial high-speed motors, new energy vehicle powertrains, high-precision servo systems, high-power industrial variable-frequency equipment, and aerospace electromechanical control systems—scenarios that demand extremely high levels of efficiency, frequency and power density—making them core power drive devices in the field of high-end intelligent manufacturing.

IV. Stepper Motor Drivers

TI’s stepper motor drivers are specifically designed for two-phase and multi-phase stepper motors, focusing on high-precision position control and quiet, smooth operation. They integrate core functions such as microstepping, adaptive current regulation and intelligent noise reduction, enabling precise motor positioning and constant-speed operation without the need for complex algorithm development. They represent the optimal solution for precision transmission and position control applications.

Key Technical Features

Supports adjustable multi-microstep drive, effectively eliminating low-frequency motor vibration and operating noise to achieve smooth and stable motion control; features precise current sensing and adaptive regulation, dynamically adjusting the drive current in response to load changes to balance control accuracy with energy efficiency; It incorporates comprehensive fault diagnosis and protection functions, supporting overcurrent, overtemperature and undervoltage protection, ensuring exceptional operational stability; it integrates automatic parameter calibration, enabling adaptation to different specifications of stepper motors without manual tuning, thereby lowering the development threshold. It also features position control with no cumulative error, delivering extremely high positioning accuracy.

Key Advantages and Application Scenarios

The key highlights of TI’s stepper drivers are their low noise, high precision, ease of development and high reliability, making them ideally suited to a wide range of precision position control applications. They are widely used in medical equipment drive modules, automated linear guide tables, 3D printers, security pan-tilt units, precision instruments and smart home drive mechanisms—devices that require precise positioning and uniform motion—effectively enhancing operational accuracy and the user experience.