company blog about Supply Infineon MOTIX™ Motor Control SoCs/SiPs Product:BDC,BLDC,MOSFETs,Driver

Supply Infineon MOTIX™ Motor Control SoCs/SiPs Product:BDC,BLDC,MOSFETs,Driver

Shenzhen Mingjiada Electronics Co., Ltd., a globally renowned distributor of electronic components, specialises in supplying high-quality electronic components and assemblies. With years of industry experience, a stock of over 2 million SKUs and an international supply chain network, the company provides a ‘one-stop’ procurement service for switching products to customers across multiple industries.

Service Advantages

2 million SKUs in stock ensure rapid response to demand

Ultra-short lead times of 1–3 days

Highly competitive pricing strategy

100% genuine product guarantee

ISO 9001:2014 Quality Management System certification

Comprehensive after-sales service system

Infineon’s MOTIX™ series of motor control SoCs (System-on-Chip) and SiPs (System-in-Package) are highly integrated solutions designed for brushed DC motors (BDC) and brushless DC motors (BLDC). They integrate core modules such as MCUs, power management, communication, gate drivers, OptiMOS™ power MOSFETs and other core modules into a single chip or package. Suitable for automotive, industrial and consumer electronics applications, they offer the advantages of high integration, high efficiency, compact size and exceptional reliability.

I. Core Architecture: SoC/SiP Integrated Solutions

Infineon’s motor control SoC/SiP solutions are based on the Arm® Cortex®-M core and are categorised into three types according to their level of integration:

SoC (System-on-Chip): MCU + driver + power supply + communication integrated onto a single wafer (e.g. TLE989x, TLE994x/TLE995x)

SiP (System-in-Package): Multiple chips / power devices packaged within a single housing (e.g. IMD700A, TLE9954QSW)

SBC (System-on-Baseboard): Driver + power supply + communication integrated, designed to interface with an external MCU

Key Integrated Modules

MCU Core: Arm® Cortex®-M0/M23/M33, up to 60MHz, 256KB flash memory, 32KB RAM

Driver Tier: BDC (half-bridge / H-bridge), BLDC (three-phase bridge) gate drivers

Power Devices: Integrated OptiMOS™ MOSFETs (e.g. TLE9954QSW)

Communication: LIN/CAN FD transceiver

Power Supply: LDO/DC-DC, overvoltage/undervoltage protection

Control Algorithms: PWM, FOC (Field-Oriented Control), sensor-based/sensorless control

II. BDC (Brushless DC Motor) Control Solutions

1. BDC SoC (TLE994x series)

Core: Cortex®-M0, dual-phase H-bridge driver, integrated MOSFET

Features:

Operating voltage: 5.5–40 V

Integrated LIN/CAN, overcurrent / overtemperature / short-circuit protection (Infineon)

Applications: Car seats, windows, sunroofs, windscreen wipers (<300 W)

Advantages: Minimal PCB footprint, few external components, low cost, easy to develop

2. BDC Drivers (Discrete / Integrated)

Gate drivers: Single-chip control of 8 half-bridges, compatible with external MOSFETs

Full-bridge / half-bridge ICs: Integrated MOSFETs, voltage ≤40V, power < 300W

SBC (System-on-Chip): Driver + power supply + LIN/CAN, suitable for automotive body applications

3. BDC Control Features

Simple control: PWM speed regulation, forward/reverse operation, braking

Low cost, fast response: Suitable for short-duration, frequent start-stop scenarios

Infineon advantages: High integration, comprehensive protection, excellent EMC

III. BLDC (Brushless DC Motor) Control Solutions

1. BLDC SoC (TLE995x/TLE989x Series)

Core: Cortex®-M0/M23, three-phase bridge driver, integrated MOSFETs

Features:

Operating voltage: 5.5–60V

Supports FOC, sensorless control, adaptive MOSFET drive

Safety level: ASIL B (TLE989x/TLE99xx)

Applications: Water pumps, fans, HVAC, EPS, oil pumps (<1kW)

2. BLDC SiP (IMD700A/TLE9954QSW)

IMD700A: 5.5–60V, three-phase drive, integrated MCU + power supply + communication

TLE9954QSW: LIQFN-58-1 package, integrated OptiMOS™ 7 power stage

Cortex®-M23, 40MHz, 72KB Flash

Thermally optimised, low parasitic inductance, strong EMC

Applications: Automotive water pumps, fans (PCB < postage stamp size)

3. BLDC Drivers (Discrete / Integrated)

Gate drivers: Three-phase drive, voltage ≤72V, supports 0–100% duty cycle

SBC: Drive + power supply + LIN/CAN, suitable for automotive / industrial BLDC

4. BLDC Control Features

High efficiency and long service life: Brushless, low wear, suitable for long-term continuous operation

Complex control: Requires FOC / commutation algorithms, reliant on MCU processing power

Infineon advantages: FOC optimisation, adaptive MOSFET control, high integration, high reliability

IV. MOSFETs: OptiMOS™ Power Device Integration

1. Integrated MOSFETs (SoC/SiP)

OptiMOS™: Infineon’s low Rds(on), low switching loss, high-frequency power MOSFETs

Integration advantages:

Reduces external components, minimises PCB size, lowers parasitic parameters

Optimises thermal paths, improves EMC, reduces costs

Typical model: TLE9954QSW (integrated OptiMOS™ 7)

2. Discrete MOSFETs (external)

OptiMOS™ series: Voltage 40–200 V, current 10–200 A

Applications: High-power BLDC/BDC, industrial drives, new energy vehicles

V. Drivers: Gate Drivers and Bridge Solutions

1. BDC Drivers

Half-bridge / Full-bridge ICs: Integrated MOSFETs, voltage ≤40V, power < 300W

Gate drivers: Single-chip control of 8 half-bridges, compatible with external MOSFETs

2. BLDC Drivers

Three-phase gate drivers: Voltage ≤72V, supports FOC, current sensing, protection

Integrated bridge circuits: Three-phase H-bridge + MOSFETs, suitable for SoC/SiP

3. General Driver Features

Protection functions: Overcurrent, overvoltage, undervoltage, overtemperature, short circuit, reverse connection

Communication: LIN/CAN, diagnostics, fault reporting

Compatibility: 12V/24V/48V automotive, industrial, consumer electronics

VI. Application Scenarios and Selection Guide

1. Typical BLDC Applications

Automotive: Seats, windows, sunroofs, windscreen wipers, door locks

Industrial: Small conveyor belts, actuators, valves

Consumer: Power tools, small household appliances, toys

2. Typical BLDC Applications

Automotive: Water pumps, fans, HVAC, EPS, fuel pumps

Industrial: Fans, pumps, compressors, servo systems, robotics

Consumer: Household appliances, drones, electric bicycles

3. Selection Recommendations

BDC (<300W): Select TLE994x SoC (integrated MOSFETs, LIN, low cost)

BLDC (<1kW): Select TLE995x/TLE989x SoC (FOC, ASIL B, integrated MOSFET)

BLDC (ultra-compact): Select TLE9954QSW SiP (stamp-sized PCB, integrated OptiMOS™)

High power: Select discrete MOSFET + gate driver (>1kW, industrial / new energy)

VII. Summary of Key Advantages

Highly integrated: MCU + driver + MOSFET + power supply + communication; fewer external components, compact size, low cost

Powerful performance: FOC, adaptive MOSFET, high frequency, low loss, high efficiency

Safe and reliable: ASIL B, AEC-Q100, comprehensive protection, high junction temperature (175°C)

Infineon’s MOTIX™ SoC/SiP is a one-stop solution for BDC/BLDC motor control, covering the full power range and all application scenarios from 12V automotive micro-motors to industrial high-power drives, enabling customers to rapidly develop compact, efficient and reliable motor control systems.