Zhongwei Aixin: Releases Three-Phase Bridge Driver Circuit—AiP21360L
Gate drivers are core, critical components in power conversion and motor control systems, responsible for interfacing the control signals with the power stage. MOSFET/IGBT It serves as a high-speed, reliable bridge between components. In electronic power systems—whether in new‑energy vehicle drive control, photovoltaic inverters, industrial variable‑frequency drives, or motor control systems—their core functionality hinges on the precise control provided by gate drivers.
Product Introduction
AiP21360L It is a product that can act on N Type power MOSFET and IGBT The three-phase bridge driver circuit for power devices primarily comprises three independent half-bridge driver circuits, with input logic compatibility. 3.3V/5V/15V , the maximum withstand voltage can reach 700V ; It can simultaneously turn off six-channel outputs; it features built-in shoot-through prevention and dead-time control to ensure that the high-side and low-side power switches do not conduct at the same time; built-in VCC and VBS Undervoltage protection circuit; integrates overcurrent protection functionality, providing FAULT Indicates undervoltage and overcurrent fault conditions. Built-in 3.3V/5V Optional LDO , can be exposed to the outside MCU Power supply.
Product Advantages
Integration 3.3V、5V Optional output LDO ： LDO Having more than 100mA Its load capacity can provide a stable built-in power supply for control circuits and system modules.
VB The maximum withstand voltage is up to 700V : Ultra-high reliability, with ample voltage margin under a wide range of harsh operating conditions.
Depending on application requirements, multiple package types are supported: SOP28、SOP32 (including LDO ), TSSOP28L
Key Features
High-side floating supply voltage 700V l
Output peak current +300mA/-500mA
Input logic compatible 3.3V/5V/15V.
Dead-time control function and shoot-through prevention function
Integration VCC/VBS Undervoltage protection (UVLO)
Overcurrent protection and enable control can simultaneously shut down all outputs.
FAULT Indicate fault status
The external pin can be configured to set the fault reset time.
Built-in 3.3V/5V 100mA Load capacity LDO
Package type: SOP28、SOP32、TSSOP28L
Application scenarios
Home appliances, three-phase motor drives, switching power supplies
Typical Application Circuit
Functional block diagram
Pin arrangement
SOP32( Support LDO) SOP28 (None LDO )
Pin Description
SOP32 Pin Description
Conclusion
AiP21360L It is a high-performance gate driver chip, integrating a high-voltage‑tolerant architecture and multiple protection features, LDO Core functions such as voltage regulation, coupled with a highly integrated design, effectively streamline the system. PCB The layout significantly enhances the stability and reliability of the high-voltage drive system. With its robust performance, AiP21360L It is widely compatible with variable-frequency home appliances, industrial motor control, and other applications, providing a one-stop solution to meet the diverse requirements of high-voltage drive systems.
(Source: Zhongwei Aixin official website)
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