集成电路与嵌入式系统2026，Vol.26Issue(2)：24-33,10.DOI:10.20193/j.ices2097-4191.2025.0106
基于分布式DLL时序控制的高精度励磁电流控制系统设计
High-precision excitation current control system based on distributed DLL timing control
张德文 1张李晨曦 1秦莉雅 1张杰 1张鸿1
作者信息
- 1. 西安交通大学 微电子学院,西安 710049
- 折叠
摘要
Abstract
To address the high-precision requirements for resolver excitation current peak control,this paper designs and implements a high-precision excitation current peak control system based on distributed Delay-Locked Loop(DLL)timing control.By integrating a 7-stage low-offset,high-bandwidth Programmable Gain Amplifier(PGA),a 13-bit hybrid-timing-logic-based Successive Approximation Register Analog-to-Digital Converter(SAR ADC),a 12-bit digital Sinusoidal Pulse Width Modulation(SPWM)module employing a bi-polar modulation architecture,and three sets of DLL timing control circuits on-chip,a complete closed-loop excitation current control system is constructed.This system achieves precise sampling and dynamic adjustment of the excitation current peak.The experimental results demonstrate that the designed PWM waveform output achieves a resolution of 1.3 ns and an excitation current peak error of less than±0.934%at a target current of 400 mA,providing an effective solution for resolver excitation current peak control.关键词
励磁电流峰值控制/PGA/混合时序逻辑SAR ADC/数字SPWM/分布式DLLKey words
excitation current peak control/PGA/hybrid timing logic SAR ADC/digital SPWM/distributed DLL分类
信息技术与安全科学引用本文复制引用
张德文,张李晨曦,秦莉雅,张杰,张鸿..基于分布式DLL时序控制的高精度励磁电流控制系统设计[J].集成电路与嵌入式系统,2026,26(2):24-33,10.
