ADPS30146-RD Industrial Power Solution | 参考设计

设计与集成文件

设计、搭建、测试

图示的电路板已装配完成且经过测试。

概览

设计资源

设计与集成文件

Schematic
PCB Layout
Bill of Materials
Allegro Layout Files

下载设计文件 23.3 MB

描述

ADPS30146-RD is a compact GaN-based servo drive solution designed for high-efficiency motor control in space-constrained applications. Integrating LT8418 gate drivers for half-bridge motor control and LT1999 in-line current sensing for precise torque regulation, it delivers reliable performance and high thermal efficiency. Supporting PWM frequencies from 25 kHz to 100 kHz with dead-time adjustment down to 10 ns, the design enables low-noise, highly efficient operation. Optional LC/LCL filtering provides smoother sine-wave outputs, while its controller- agnostic architecture supports a wide range of motor controllers and motor types from 50 W to 750 W, simplifying integration and reducing cooling requirements.

APPLICATIONS

Humanoid robot joints
Hollow shaft BLDC/servo motors
Industrial and automation servo drives
General BLDC, PMSM, and FOC-based motor applications

优势和特点

Compact GaN servo drive with integrated gate drive and sensing
Accurate current sensing improves torque regulation and dynamic response
Adjustable 25–100 kHz PWM with fine dead time control for low-noise efficiency
GaN efficiency removes need for external cooling
Small PCB footprint with optional LC/LCL filtering for clean output and motor integration
Compatible with multiple controllers, supporting 50–750 W across diverse motor types

Electrical Requirements:

Input Voltage: 48–58 V battery source
Output Voltage: 50–750 W
Board V1 Output: Conventional GaN switching waveform
Board V2 Output: Sine wave output generated through LC/LCL filtering

Control & Feedback Requirements:

PWM Frequency: 25–100 kHz
PWM Tuning Parameters: Switching frequency and dead time adjustment
Current Sensing Method: In-line sensing, two-phase measurement (U and W)
Scalability: Configurable sense resistor and amplifier gain

Mechanical Requirements:

PCB Size: 40 × 50 mm
Setup Variations: Extended cable connection between driver board and motor. Driver board mechanically integrated within the motor assembly
Thermal Constraints: Passive cooling only (no heatsink and no forced airflow)
Motor Load: MINAS A6 48 V, 400 W (MSMD04BL1S). Hollow shaft BLDC motors

Protection Requirements: