The TPD4121K is a three-phase brushless DC (BLDC) motor pre-driver IC manufactured by Toshiba Semiconductor and Storage. This IC is designed to drive external MOSFETs in a three-phase motor control system. It integrates various protection features and control logic to ensure safe and efficient operation of BLDC motors.

Applications:

• BLDC Motor Control
• Fan Motor Control
• Pump Motor Control
• Robotics
• Industrial Automation

Features:

• Three-Phase Pre-Driver: Drives external N-channel MOSFETs for three-phase BLDC motors.
• Built-in Protection Features: Includes overcurrent protection (OCP), undervoltage lockout (UVLO), and thermal shutdown (TSD).
• PWM Control: Supports PWM input signals for speed control.
• Brake Function: Provides a brake input for motor deceleration.
• Hall Sensor Inputs: Accepts Hall sensor signals for motor position feedback.
• Package: HSOP28

Benefits:

• Simplified Motor Control: Integrates key functions for driving three-phase BLDC motors, simplifying system design.
• Enhanced Protection: Built-in protection features ensure safe and reliable motor operation.
• Precise Speed Control: PWM control enables precise speed regulation.
• Compact Design: HSOP28 package offers a compact footprint for space-constrained applications.
• Versatile Application: Suitable for a wide range of BLDC motor control applications.

Technical Specifications:

• Supply Voltage: 7V to 35V
• Output Current: Determined by external MOSFETs
• PWM Frequency: Up to 25 kHz
• Operating Temperature Range: -40°C to +125°C
• Protection Features: Overcurrent Protection, Undervoltage Lockout, Thermal Shutdown
• Package: HSOP28

The TPD4121K pre-driver IC is housed in an HSOP28 package, offering a compact solution for BLDC motor control applications. Its integrated features and protection mechanisms contribute to efficient and reliable motor operation. By driving external MOSFETs, it allows for flexibility in selecting components based on specific motor requirements.