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ucd3138數(shù)字電源外設(shè)編程手冊(中文版)(已修改)

2025-07-07 07:32 本頁面
 

【正文】 UCD3138 數(shù) 字 電 源 外 設(shè)編 程 手 冊SLUU995AApril 2013 – Revised May 2013目 錄 1 引言.............................................................................................................................11 2 數(shù)字脈寬調(diào)制器(DPWM)………........................................................................12 DPWM 框圖 ...........................................................................................................12 DPWM 介紹(DPWM 多模式, 開環(huán)).............................................................13 DPWM 標(biāo)準(zhǔn)模式 ...................................................................................................15 DPWM 相移模式 ...................................................................................................17 DPWM 多輸出模式 (多模)...............................................................................17 DPWM 諧振模式 ...................................................................................................18 三角模式 ..................................................................................................................20 DPWM 前導(dǎo)模式 ...................................................................................................20 同步FET斜坡和理想二極管仿真計算 ...................................................................21 自動模式切換 ..........................................................................................................22 諧振LLC例子 ...........................................................................................................22 自動模式切換機(jī)制 ...................................................................................................22 DPWMC、邊沿發(fā)生、內(nèi)部多路復(fù)用.....................................................................23 多種DPWM寄存器時間分辨率 ..............................................................................24 PWM 計數(shù)器和時鐘 ...............................................................................................26 DPWM 寄存器 概述...............................................................................................26 DPWM 控制寄存器 0 (DPWMCTRL0) .................................................................26 DPWM 自動配置中間和最大寄存器 ...................................................................26 內(nèi)部多路復(fù)用 ..........................................................................................................26 逐周電流限制使能 ..................................................................................................26 多模 開/關(guān).................................................................................................................28 最小占空比模式 ......................................................................................................28 主同步控制選擇 ......................................................................................................29 主同步從使能 ..........................................................................................................29 D 使能.......................................................................................................................29 諧振模式固定占空比使能 ......................................................................................29 DPWM A and B 故障極性 ...................................................................................29 消隱使能 ................................................................................................................30 DPWM 模式 ..........................................................................................................30 DPWM 反相 ..........................................................................................................30 濾波器使能 (CLA_EN) .........................................................................................30 DPWM 使能 ..........................................................................................................30 DPWM 控制寄存器 1.............................................................................................30 周期計數(shù)器預(yù)置使能 ............................................................................................30 同步FET斜坡使能 .................................................................................................30 突發(fā)模式使能 ........................................................................................................31 電流/磁通量平衡占空比調(diào)整 ...............................................................................31. 同步輸出分頻因子選擇 ........................................................................................31 濾波器標(biāo)定 ............................................................................................................31 外部同步使能 ........................................................................................................31 逐周B側(cè)激活使能 .................................................................................................31 自動模式切換使能 ................................................................................................31. 事件更新選擇 ........................................................................................................31 檢查閉鎖 ..................................................................................................................32 全局周期使能 ..........................................................................................................32 DPWM管腳用作通用I/O .......................................................................................32 高分辨率使能/禁止 ...............................................................................................32 異步保護(hù)禁止 ........................................................................................................32 單幀使能 ................................................................................................................32 DPWM 控制寄存器 2..........................
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