PMIC - Motor Drivers, Controllers

Part Number	Description / PDF	Quantity
A4987SLPTR-T Allegro MicroSystems	IC MTR DRV BIPOLR 3-5.5V 24TSSOP	8000
TB67S265FTG,EL Toshiba Electronic Devices and Storage Corporation	IC MOTOR DRIVER BIPOLAR 48WQFN	0
MTD6501G-LC1 Roving Networks / Microchip Technology	IC MOTOR DRIVER 2V-14V 8SOP	0
LB1945D-E	STEPPER MOTOR CONTROLLER	113160
LB8503V-W-AH Sanyo Semiconductor/ON Semiconductor	IC MOTOR SPEED CTRL SA30	6000
LV8741V-TLM-E Sanyo Semiconductor/ON Semiconductor	IC MTR DRV BIPLR 2.7-5.5V 44SSOP	1814
TMC4671-LA TRINAMIC Motion Control GmbH	SERVO CONTROLLER IC, QFN76	246
TC78B041FNG,EL Toshiba Electronic Devices and Storage Corporation	3 PHASE BLDC CONTROLLER	2926
DRV8305NEPHPRQ1 Texas Instruments	IC MTR DRV MULTI 4.4-45V 48HTQFP	94
BD62210AEFV-E2 ROHM Semiconductor	IC MOTOR DRIVER 28HTSSOP	2500
MPC17533EV Freescale Semiconductor, Inc. (NXP Semiconductors)	HALF BRIDGE BASED PERIPHERAL DRI	138
MC33039D	ANALOG CIRCUIT, BIPOLAR, PDSO8	0
TB67S128FTG(O,EL) Toshiba Electronic Devices and Storage Corporation	IC MTR DRVR BIPOLAR 0-5.5V 64QFN	3385
UC2638DWG4 Texas Instruments	IC MOTOR DRIVER 10V-36V 20SOIC	0
LB11961-MPB-H	BRUSHLESS DC MOTOR CONTROLLER	0
A4985SESTR-T Allegro MicroSystems	IC MTR DRVR BIPOLAR 3-5.5V 24QFN	0
A4975SB-T Allegro MicroSystems	FULL-BRIDGE PWM MICROSTEP DRIVER	0
BD68715EFV-E2 ROHM Semiconductor	IC MTR DRV BIPLR 19-28V 28HTSSOP	2374
BD6923FV-E2 ROHM Semiconductor	IC MOTOR DVR 3PH 24-SSOP	0
LB11697V-MPB-E	MOTION CONTROL ELECTRONIC	727

PMIC - Motor Drivers, Controllers

1. Overview

Power Management ICs (PMICs) dedicated to motor drivers and controllers are specialized semiconductor devices that manage the operation of electric motors by regulating power delivery, speed, direction, and protection features. These components are critical in modern electronics for optimizing energy efficiency, ensuring precise motion control, and enhancing system reliability. They are widely used in robotics, automotive systems, industrial automation, and consumer electronics.

2. Main Types & Functional Classification

Type	Functional Features	Applications
H-Bridge Drivers	Bi-directional current flow control, PWM integration	DC motor direction control in robotics
Stepper Motor Controllers	Microstepping, current regulation, position control	3D printers, CNC machines
Brushless DC (BLDC) Controllers	Commutation logic, Hall sensor interface	Electric vehicles, drones
Integrated FET Drivers	Embedded MOSFETs, thermal shutdown	Portable devices, power tools

3. Structure & Components

A typical PMIC for motor control consists of:

Physical Structure: Standard packages like QFN, TSSOP, or BGA for compact integration
Internal Modules:
- Gate drivers for MOSFET/IGBT control
- Current sensing amplifiers
- Protection circuits (OCP, OTP, UVLO)
- Power supply regulation units
Interfaces: PWM, SPI, I2C, or analog inputs for control signals

4. Key Technical Specifications

Parameter	Description & Importance
Operating Voltage Range	Determines compatibility with power sources (e.g., 4.5V 40V for automotive)
Output Current Capacity	Defines motor power handling (e.g., 1A 10A continuous)
Efficiency (Typical >90%)	Minimizes power loss and thermal stress
Protection Features	Includes overcurrent, thermal, and shoot-through protection
Control Interface	Supports PWM, Hall sensors, or serial communication

5. Application Fields

Consumer Electronics: Drones, robotic vacuum cleaners, smart locks
Industrial: Servo motors, automated manufacturing arms
Automotive: Electric power steering, HVAC blower motors
Medical: Infusion pumps, diagnostic equipment

6. Key Manufacturers & Products

Manufacturer	Product Model	Key Features	Application Example
TI (Texas Instruments)	DRV8825	1.8A output, microstepping	3D printer extruders
STMicroelectronics	L6470	600mA, SPI control	Industrial valves
ON Semiconductor	LV8711	3-phase BLDC controller	Electric scooters
Infineon	TLE94112	12-channel H-bridge	Automotive seat adjusters

7. Selection Guidelines

Key considerations include:

Match voltage/current ratings with motor specifications
Select control interface (PWM vs. serial) based on system design
Verify protection features for harsh environments
Optimize package size for space-constrained applications
Evaluate cost vs. integration level (standalone vs. system-on-chip)

8. Industry Trends

Emerging trends include:

Higher integration with embedded MOSFETs and sensors
Adoption of field-oriented control (FOC) for BLDC motors
Development of automotive-grade ICs with ASIL-D compliance
AI-driven predictive maintenance features
Wide bandgap semiconductor integration (GaN/SiC) for higher efficiency