Infineon Technologies has introduced the MOTIX TLE9189QVW, an advanced gate driver IC tailored for motor control in automotive applications. This device is designed to control six external N-channel power MOSFETs, providing a robust and reliable solution for 3-phase motor drive systems. With compliance to ISO 26262 ASIL D, it ensures the highest level of functional safety for automotive systems.
Key features of the TLE9189QVW:
- High Performance: Drives 6 MOSFETs with a total gate charge (Qgtot) of 200 nC per MOSFET.
- Wide Supply Voltage Range: Operates seamlessly between 4.2 V and 36 V, optimized for 12 V battery systems.
- Integrated Current Sensing: Includes 3 current sense amplifiers (CSA) with configurable reference voltage options (3.3 V/5 V).
- Enhanced Motor Control: Implements a PWM-based control concept, supporting 0–100% duty cycles without restrictions.
- Robust Design: Features passive clamping for external FETs, current source-controlled output stages, and durable motor connection pins supporting 12 V–48 V.
- Compact Package: Housed in a VQFN-48 (7 x 7 mm²) package for space-saving designs.
- Comprehensive Diagnostics: Supports self-test features and diverse monitoring functionalities.
Benefits of the TLE9189QVW:
- Cost-Effective: Reduced external component requirements and optimized system costs.
- Reliable Operation: Fully functional at low voltages down to 4.2 V with extended temperature ranges from -40°C to 175°C.
- Improved EMC Performance: Adaptive MOSFET control ensures minimal power losses and target switching times.
- Safety Compliant: ISO 26262-compliant for ASIL D applications.
Applications of the TLE9189QVW :
- Electric Power Steering (EPS)
- Electric Brakes and Brake Assist Systems
- Automotive Transmissions
- Functional Safety (FuSa)-Related BLDC Motor Control
- Functional Safety (FuSa)-Related PMSM Motor Control
Click here to learn more about TLE9189QVW.
