Power Driver Modules | Discrete Semiconductor Components

Part Number	Description / PDF	Quantity
AOZ5116QI Alpha and Omega Semiconductor, Inc.	IC POWER DRMOS 25V 55A 31QFN	0
AOZ5612BQI Alpha and Omega Semiconductor, Inc.	20V/60A DRMOS SMOD EN CONTROL TH	2947
AOZ5537QI Alpha and Omega Semiconductor, Inc.	POWER IC DRMOS	5930
AOZ5118QI-01 Alpha and Omega Semiconductor, Inc.	25V/65A DRMOS SMOD EN CONTROL QF	0
AOZ5517QI Alpha and Omega Semiconductor, Inc.	25V/60A DRMOS FCCM CONTROL QFN5X	0
AOZ5613QI Alpha and Omega Semiconductor, Inc.	20V/65A DRMOS SMOD EN CONTROL TH	0
AOZ5166QI-01 Alpha and Omega Semiconductor, Inc.	MOD SYNC BUCK POWER STAGE 60A 25	2254
AOZ5616BQI Alpha and Omega Semiconductor, Inc.	25V/55A DRMOS SMOD EN CONTROL TH	0
AOZ5038QI Alpha and Omega Semiconductor, Inc.	MOD SYNC BUCK POWER STAGE 40A 25	0
AOZ5636QI Alpha and Omega Semiconductor, Inc.	POWER IC DRMOS	3000
AOZ5316NQI Alpha and Omega Semiconductor, Inc.	25V/55A DRMOS 3.3V/5V PWM IN QFN	0
AOZ5616QI Alpha and Omega Semiconductor, Inc.	30V 55A QFN5X5 DRMOS POWER STAGE	0
AOZ5507QI Alpha and Omega Semiconductor, Inc.	25V/30A DRMOS FCCM CONTROL QFN3.	4974
AOZ5517QI-02 Alpha and Omega Semiconductor, Inc.	30V 55A QFN5X5 DRMOS POWER STAGE	0
AOZ5317NQI Alpha and Omega Semiconductor, Inc.	30V 60A QFN5X5 DRMOS POWER STAGE	0
AOZ5047QIS-01 Alpha and Omega Semiconductor, Inc.	25V/35A DRMOS QFN	0
AIM704H50B Alpha and Omega Semiconductor, Inc.	3-PHASE MOSFET IPM, 500V/2.4	0
AOZ5516QI-02 Alpha and Omega Semiconductor, Inc.	30V 55A QFN5X5 DRMOS POWER STAGE	0
AIM702H50B Alpha and Omega Semiconductor, Inc.	3-PHASE MOSFET IPM, 500V/4	0
AOZ5316UQI Alpha and Omega Semiconductor, Inc.	30V 55A QFN5X5 DRMOS POWER STAGE	0

Power Driver Modules | Discrete Semiconductor Components

1. Overview

Discrete Semiconductor Power Driver Modules are integrated electronic components designed to control and drive high-power semiconductor devices such as MOSFETs, IGBTs, and bipolar transistors. These modules act as intermediaries between low-power control circuits (e.g., microcontrollers) and high-power loads, enabling precise switching and power management. They are critical in modern power electronics systems, ensuring efficiency, reliability, and safety in applications ranging from industrial automation to renewable energy systems.

2. Major Types and Functional Classification

Type	Functional Characteristics	Application Examples
MOSFET Driver Modules	High-speed switching, low on-resistance, suitable for DC-DC converters and motor drives	Electric vehicle (EV) battery management systems
IGBT Driver Modules	High-voltage/current handling, soft-switching capabilities	Industrial motor drives, traction inverters
Bipolar Transistor Drivers	High current gain, linear operation mode	Analog amplifiers, legacy power systems
Gate Driver ICs	Integrated logic-to-power signal conversion, galvanic isolation options	Switching power supplies, LED lighting systems

3. Structure and Composition

Typical modules consist of:

Die Attach: Silicon dies for MOSFET/IGBT chips bonded to a conductive substrate
Substrate: Aluminum oxide (Al O ) or silicon nitride (Si N ) for thermal/electrical insulation
Encapsulation: Molded epoxy resin or ceramic housing for environmental protection
Terminals: Copper/Aluminum leads or surface-mount pads for PCB integration
Thermal Interface: Phase-change materials or thermal pads for heatsink attachment

4. Key Technical Specifications

Parameter	Description
Max Voltage Rating (Vds/Vce)	50V 1700V, determines application suitability (e.g., 600V for EVs, 1700V for rail transport)
Peak Output Current (Ipeak)	5A 100A, impacts switching performance and thermal design
Power Dissipation (Pd)	1W 200W, defines cooling requirements
Operating Temperature	-40 C to +175 C, critical for automotive/industrial environments
Isolation Voltage	2.5kV 10kV, safety requirement for high-voltage systems
Short-Circuit Withstand	10 s 10ms, protects against fault conditions

5. Application Fields

Industrial: Servo motor drives, CNC machine tools, welding inverters
Automotive: On-board chargers (OBC), traction inverters, 48V mild hybrid systems
Renewables: Solar string inverters, wind turbine converters
Consumer: High-end kitchen appliances, robotic vacuum cleaners
Case Study: A 3.6kW industrial motor drive using Infineon's 1EDN75120B gate driver achieved 98.5% efficiency.

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
Infineon Technologies	1EDN75120B	1200V IGBT driver with DESAT protection, 40ns propagation delay
STMicroelectronics	STGP10CH60DF	600V/10A SiC MOSFET power module for fast charging stations
ON Semiconductor	NCP51820	High-frequency (200kHz) gate driver for LLC resonant converters
Texas Instruments	UCC21750	Isolated gate driver with integrated current sensing for EV inverters

7. Selection Recommendations

Key considerations include:

Match voltage/current ratings with system requirements (add 20% safety margin)
Choose packaging (TO-247, D2PAK, or surface-mount) based on thermal needs
Verify compliance with standards (e.g., AEC-Q101 for automotive)
Assess protection features (overcurrent, thermal shutdown)
Evaluate driver IC compatibility for gate charge requirements

8. Industry Trends

Future developments include:

Adoption of wide-bandgap (WBG) semiconductors (SiC/GaN) for higher efficiency
Integration of sensors and digital interfaces (smart power modules)
Advanced packaging techniques (double-sided cooling, silver sintering)
Increased demand for automotive applications (EVs, 48V systems)
Standardization of isolation requirements per IEC 61800-5-1