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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Zhongwei Aixin: Releases Three-Phase Bridge Driver Circuit—AiP21360L
Gate drivers are core components in power conversion and motor control systems, serving as a high-speed, reliable bridge between the control signals and power MOSFETs/IGBTs. In electronic power systems—whether for new‑energy vehicle drive controls, photovoltaic inverters, industrial variable‑frequency drives, or motor control systems—the precise control provided by gate drivers is indispensable. Product Introduction The AiP21360L is a three‑phase bridge driver circuit designed for N‑type power MOSFETs and IGBTs. It comprises three independent half‑bridge driver circuits, with input logic compatible with 3.3 V, 5 V, and 15 V levels, and an absolute maximum voltage rating of up to 700 V. The device can simultaneously turn off all six output channels, features built-in shoot‑through prevention and dead‑time control to ensure that the upper and lower bridge arms never conduct at the same time, and includes undervoltage protection circuits for both VCC and VBS. Additionally, it integrates overcurrent protection and provides FAULT indicators to signal undervoltage and overcurrent faults. An optional 3.3 V or 5 V LDO is included to supply power to external MCUs. Product Advantages - Integrated 3.3 V or 5 V selectable-output LDO: With a load capability exceeding 100 mA, this LDO delivers a stable internal power supply to control circuits and system modules. - Ultra‑high VBS withstand voltage of up to 700 V: Ensures exceptional reliability and ample voltage margin under harsh operating conditions. - Supports multiple package options based on application requirements: SOP28, SOP32 (with LDO), and TSSOP28L. Key Features - High-side floating supply voltage of 700 V - Output peak current: +300 mA / −500 mA - Input logic compatible with 3.3 V, 5 V, and 15 V levels - Built-in dead‑time control and shoot‑through prevention - Integrated VCC/VBS undervoltage lockout (UVLO) - Overcurrent protection and enable control to simultaneously shut down all outputs - FAULT indicator signaling fault conditions - Configurable external pin for fault reset timing - Built-in 3.3 V/5 V LDO with 100 mA load capacity - Package options: SOP28, SOP32, and TSSOP28L Typical Applications Home appliances, three‑phase motor drives, switching power supplies Typical Application Circuit Functional Block Diagram Pin Configuration SOP32 (with LDO) vs. SOP28 (without LDO) Pin Descriptions SOP32 Pin Descriptions Conclusion The AiP21360L is a high‑performance gate driver chip that integrates key features such as a high‑voltage‑tolerant architecture, multiple protection mechanisms, and an LDO regulator. Its highly integrated design simplifies PCB layouts while significantly enhancing the stability and reliability of high‑voltage drive systems. With its robust performance, the AiP21360L is well suited for a wide range of applications, including variable‑frequency home appliances and industrial motor control, providing a one‑stop solution to meet diverse high‑voltage drive system requirements.