Integrated Circuits (ICs) | ZNHSON Electronics

PMIC - Full, Half-Bridge Drivers

PMIC - Full, Half-Bridge Drivers

Definition:
PMIC (Power Management Integrated Circuit) - Full and Half-Bridge Drivers are specialized ICs designed to control and drive power stages in high-efficiency switching applications. These drivers manage the switching of MOSFETs or IGBTs in full-bridge and half-bridge configurations, ensuring precise timing, voltage regulation, and protection features. They are essential in applications requiring bidirectional power flow, motor control, and high-frequency switching.

Types of Products in This Category:
1. Half-Bridge Drivers Control two power switches (high-side and low-side) in a half-bridge configuration, commonly used in DC-DC converters and motor drives.
2. Full-Bridge Drivers Manage four switches in an H-bridge setup, enabling bidirectional current flow for applications like brushless DC (BLDC) motor control and inverters.
3. Gate Drivers with Integrated Protection Include features like under-voltage lockout (UVLO), overcurrent protection, and thermal shutdown for enhanced reliability.
4. High-Voltage Bridge Drivers Designed for industrial and automotive applications, supporting high-voltage ranges (e.g., 600V+).

Buying Recommendations:
- Application-Specific Selection: Choose between half-bridge or full-bridge drivers based on circuit topology (e.g., half-bridge for unidirectional drives, full-bridge for bidirectional control).
- Voltage & Current Ratings: Ensure compatibility with your power stage s voltage (e.g., 12V, 24V, 600V) and peak current requirements.
- Protection Features: Prioritize drivers with built-in safeguards (UVLO, shoot-through prevention) for robust operation.
- Interface Compatibility: Verify logic-level inputs (3.3V/5V) match your microcontroller s output.
- Thermal Performance: For high-power applications, opt for drivers with low R JA or exposed thermal pads.

This category is critical for engineers designing efficient power systems in automotive, industrial, and renewable energy sectors. Selecting the right driver ensures optimal performance, efficiency, and longevity of the power stage.