UCD9224

正在供货

定序功能经过改进的 2MHz、2 轨、四相数字 PWM 降压控制器

产品详情

Number of outputs 2 Frequency (max) (MHz) 2 Number of ADC channels 2 Analog comparators 3 Communication interface 1 I2C, 1 PMBUS Compensator 3-pole/3-zero DPWM resolution (ps) 250 Number of GPIOs 0 Number of digital-power peripheral feedback loops 2 Nonvolatile memory (Byte) 32k (program) Operating temperature range (°C) -40 to 125 Rating Catalog
Number of outputs 2 Frequency (max) (MHz) 2 Number of ADC channels 2 Analog comparators 3 Communication interface 1 I2C, 1 PMBUS Compensator 3-pole/3-zero DPWM resolution (ps) 250 Number of GPIOs 0 Number of digital-power peripheral feedback loops 2 Nonvolatile memory (Byte) 32k (program) Operating temperature range (°C) -40 to 125 Rating Catalog
VQFN (RGZ) 48 49 mm² 7 x 7
  • Fully Configurable Multi-Output and Multi- Phase Non-Isolated DC/DC PWM Controller
  • Controls Up to 2 Voltage Rails and Up to 4 Phases
  • Supports Switching Frequencies Up to 2MHz with 250 ps Duty-Cycle Resolution
  • Up To 1mV Closed Loop Resolution
  • Hardware-Accelerated, 3-Pole/3-Zero Compensator with Non-Linear Gain for Improved Transient Performance
  • Supports Multiple Soft-Start and Soft-Stop Configurations Including Prebias Start-up
  • Supports Voltage Tracking, Margining and Sequencing
  • Supports Current and Temperature Balancing for Multi-Phase Power Stages
  • Supports Phase Adding/Shedding for Multi-Phase Power Stages
  • Sync In/Out Pins Align DPWM Clocks Between Multiple UCD92xx Devices
  • 12-Bit Digital Monitoring of Power Supply Parameters Including:
    • Input/Output Current and Voltage
    • Temperature at Each Power Stage
  • Multiple Levels of Over-current Fault Protection:
    • External Current Fault Inputs
    • Analog Comparators Monitor Current Sense Voltage
    • Current Continually Digitally Monitored
  • Over- and Under-voltage Fault Protection
  • Over-temperature Fault Protection
  • Enhanced Nonvolatile Memory with Error Correction Code (ECC)
  • Device Operates From a Single Supply with an Internal Regulator Controller That Allows Operation Over a Wide Supply Voltage Range
  • Supported by Fusion Digital Power Designer, a Full Featured PC Based Design Tool to Simulate, Configure, and Monitor Power Supply Performance
  • APPLICATIONS
    • Industrial/ATE
    • Networking Equipment
    • Telecommunications Equipment
    • Servers
    • Storage Systems
    • FPGA, DSP and Memory Power
  • Fully Configurable Multi-Output and Multi- Phase Non-Isolated DC/DC PWM Controller
  • Controls Up to 2 Voltage Rails and Up to 4 Phases
  • Supports Switching Frequencies Up to 2MHz with 250 ps Duty-Cycle Resolution
  • Up To 1mV Closed Loop Resolution
  • Hardware-Accelerated, 3-Pole/3-Zero Compensator with Non-Linear Gain for Improved Transient Performance
  • Supports Multiple Soft-Start and Soft-Stop Configurations Including Prebias Start-up
  • Supports Voltage Tracking, Margining and Sequencing
  • Supports Current and Temperature Balancing for Multi-Phase Power Stages
  • Supports Phase Adding/Shedding for Multi-Phase Power Stages
  • Sync In/Out Pins Align DPWM Clocks Between Multiple UCD92xx Devices
  • 12-Bit Digital Monitoring of Power Supply Parameters Including:
    • Input/Output Current and Voltage
    • Temperature at Each Power Stage
  • Multiple Levels of Over-current Fault Protection:
    • External Current Fault Inputs
    • Analog Comparators Monitor Current Sense Voltage
    • Current Continually Digitally Monitored
  • Over- and Under-voltage Fault Protection
  • Over-temperature Fault Protection
  • Enhanced Nonvolatile Memory with Error Correction Code (ECC)
  • Device Operates From a Single Supply with an Internal Regulator Controller That Allows Operation Over a Wide Supply Voltage Range
  • Supported by Fusion Digital Power Designer, a Full Featured PC Based Design Tool to Simulate, Configure, and Monitor Power Supply Performance
  • APPLICATIONS
    • Industrial/ATE
    • Networking Equipment
    • Telecommunications Equipment
    • Servers
    • Storage Systems
    • FPGA, DSP and Memory Power

The UCD9224 is a multi-rail, multi-phase synchronous buck digital PWM controller designed for non-isolated DC/DC power applications. This device integrates dedicated circuitry for DC/DC loop management with flash memory and a serial interface to support configurability, monitoring and management.

The UCD9224 was designed to provide a wide variety of desirable features for non-isolated DC/DC converter applications while minimizing the total system component count by reducing external circuits. The solution integrates multi-loop management with sequencing, margining, tracking and intelligent phase management to optimize for total system efficiency. Additionally, loop compensation and calibration are supported without the need to add external components.

To facilitate configuring the device, the Texas Instruments Fusion Digital Power™ Designer is provided. This PC based Graphical User Interface offers an intuitive interface to the device. This tool allows the design engineer to configure the system operating parameters for the application, store the configuration to on-chip non-volatile memory and observe both frequency domain and time domain simulations for each of the power stage outputs.

TI has also developed multiple complementary power stage solutions – from discrete drivers in the UCD7k family to fully tested power train modules in the PTD family. These solutions have been developed to complement the UCD9k family of system power controllers.

The UCD9224 is a multi-rail, multi-phase synchronous buck digital PWM controller designed for non-isolated DC/DC power applications. This device integrates dedicated circuitry for DC/DC loop management with flash memory and a serial interface to support configurability, monitoring and management.

The UCD9224 was designed to provide a wide variety of desirable features for non-isolated DC/DC converter applications while minimizing the total system component count by reducing external circuits. The solution integrates multi-loop management with sequencing, margining, tracking and intelligent phase management to optimize for total system efficiency. Additionally, loop compensation and calibration are supported without the need to add external components.

To facilitate configuring the device, the Texas Instruments Fusion Digital Power™ Designer is provided. This PC based Graphical User Interface offers an intuitive interface to the device. This tool allows the design engineer to configure the system operating parameters for the application, store the configuration to on-chip non-volatile memory and observe both frequency domain and time domain simulations for each of the power stage outputs.

TI has also developed multiple complementary power stage solutions – from discrete drivers in the UCD7k family to fully tested power train modules in the PTD family. These solutions have been developed to complement the UCD9k family of system power controllers.

下载 观看带字幕的视频 视频

技术文档

star =有关此产品的 TI 精选热门文档
未找到结果。请清除搜索并重试。
查看全部 10
类型 标题 下载最新的英语版本 日期
* 数据表 Digital PWM System Controller - UCD9224 数据表 2009年 9月 25日
选择指南 电源管理指南 2018 (Rev. K) 2018年 7月 31日
选择指南 电源管理指南 2018 (Rev. R) 2018年 6月 25日
应用手册 基于在线软件工具的数字电源 UCD92xx反馈环路调试指南 2013年 4月 8日
应用手册 数字电源 UCD9224 与 UCD7232 应用中输出电压关机负过冲的分析及解决 2012年 10月 25日
应用手册 Digital Loop Exemplified 2011年 9月 23日
用户指南 Using the UCD92xx Digital Point-of-Load Controller 2011年 4月 13日
EVM 用户指南 Using the UCD9224EVM-464 2010年 8月 12日
用户指南 UCD92xx PMBus Command Reference 2008年 11月 3日
应用简报 PowerPAD® 轻松实现 (Rev. B) 2004年 5月 12日

设计和开发

如需其他信息或资源,请点击以下任一标题进入详情页面查看(如有)。

评估板

UCD9224EVM-464 — 用于 UCD9224 数字 PWM 系统控制器的评估模块

UCD9224EVM-464 可通过 UCD9224 数字控制器和 PTD08D210W 电源传动模块设计成两个独立的单相 POL 电压轨。电压轨经过预先配备,可在 12V +/- 10% 的输入电压源下工作,并产生 2.5V (Vout1) 和 1.2V (Vout2) 的输出电压,且两种电压都支持高达 10A 的输入电流。作为 PTD08D210W 的元件,UCD7242 双路同步降压功率驱动器结合并优化了 MOSFET 驱动器、用于两个电压轨的高低侧功率 MOSFET,以及集成了数字控制器的故障和监控电路。

如果设计师想使用计算机监控或修改 UCD9224EVM-464,建议使用单独的 (...)

用户指南: PDF
TI.com 上无现货
调试探针

TMDSEMU200-U — XDS200 USB 调试探针

XDS200 是用于调试 TI 嵌入式器件的调试探针(仿真器)。与低成本的 XDS110 和高性能的 XDS560v2 相比,XDS200 在低成本和高性能之间实现了平衡;并在单个仓体中支持广泛的标准(IEEE1149.1、IEEE1149.7、SWD)。所有 XDS 调试探针在所有具有嵌入式跟踪缓冲器 (ETB) 的 Arm® 和 DSP 处理器中均支持内核和系统跟踪。对于引脚上的内核跟踪,则需要使用 XDS560v2 PRO TRACE

XDS200 通过 TI 20 引脚连接器(带有适用于 TI 14 引脚、Arm Cortex® 10 引脚和 Arm 20 (...)

TI.com 上无现货
应用软件和框架

FUSION_DIGITAL_POWER_DESIGNER — Digital Power 软件

Fusion Digital Power™ 图形用户界面 (GUI) 软件用于配置和监视精选的德州仪器 (TI) 数字电源控制器以及序列发生器/运行状况监视器。此应用程序使用 PMBus 协议通过 TI USB 适配器经由串行总线与器件进行通信。
应用软件和框架

FUSION_MFR_GUI — Fusion Digital Power 制造工具

The Fusion Digital Power Manufacturing Tool (aka MFR GUI) is a Graphical User Interface used to download firmware, upgrade firmware, configure, calibrate and test .

The MFR GUI supports the same devices as Fusion Digital Power Designer software.  This tool is typically used in manufacturing (...)

模拟工具

PSPICE-FOR-TI — 适用于 TI 设计和模拟工具的 PSpice®

PSpice® for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence® 的模拟分析引擎。PSpice for TI 可免费使用,包括业内超大的模型库之一,涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

借助 PSpice for TI 的设计和仿真环境及其内置的模型库,您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案,然后再进行布局和制造,可缩短产品上市时间并降低开发成本。

在 PSpice for TI 设计和仿真工具中,您可以搜索 TI (...)
封装 引脚 下载
VQFN (RGZ) 48 查看选项

订购和质量

包含信息:
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息:
  • 制造厂地点
  • 封装厂地点

推荐产品可能包含与 TI 此产品相关的参数、评估模块或参考设计。

支持和培训

视频