Texas Instruments TPS650830 宽输入电压相量测量单元

德州仪器 TPS650830 宽输入电压电源管理单元是一款单芯片解决方案电源管理集成电路,专门设计用于平板、超极本、笔记本电脑中的最新款英特尔处理器。具有 NVDC 或非 NVDC 电源架构,采用 2S、3S 或 4S 锂离子电池组。TPS650830 适用于 Volume 系统是一个将低压轨合并,实现最小尺寸并具有最低成本的系统电源解决方案。TPS650830 可提供基于英特尔参考设计的完整电源解决方案。除上电序列逻辑管理外部负载开关外,还使用了五个高效降压电压调节器(VR)和一个灌入/拉出 LDO,以提供合适的电源轨、排序和保护——包括 DDR3 和 DDR4 存储器电源。该调节器支持动态电压调整(DVS),包括连接待机(Connected Standby),以达到最大效率。这些高频电压调节器采用小型电感和电容器,以实现解决方案尺寸的小型化。输出功率在四个 VR 控制器上可调节。一个 I²C 接口,可通过嵌入式控制器(EC)进行轻松控制。

特性

  • 5 Reconfigurable voltage regulators:
    • High-efficiency over a wide input voltage and wide output current range
    • Voltage, current, and sequence can be changed to optimize the system
    • 4 variable output voltage step-down controllers using external power MOSFETs
      • VR1=1V; VR3=3.3V, VR4=1.2V/1.35V/1.1V for DDRx VDDQ, VR5=5V
      • VIN range from 5.4V to 24V
      • From 10A of continuous output current using external power MOSFETs
    • 1 variable output voltage step-down converter with internal power MOSFETs
      • VR2=1.8V
      • VIN range from 3V to 3.6V
      • Up to 2A of continuous output current
    • Output voltage DC accuracy ±1%; DC+AC accuracy ±5%, with differential output voltage sensing
    • Ultra-low Quiescent current mode has typical 30µA Quiescent current per controller or converter
  • 3-fixed LDO voltage regulators:
    • LDO1: 1/2 of VR4 fixed output voltage LDO for DDRx VTT (Vout=VDDQ/2)
      • Up to 1A of continuous output current, DC+AC accuracy ±5%, 2A peak
    • LDO3: 3.3V fixed output voltage LDO, DC accuracy ±1%,
    • High precision reference supply for external ADC
    • 3.3V load switch for EC_VCC rail
  • LDO5: 5V fixed output voltage LDO, DC accuracy ±1%,
  • Power supply for controller and converter gate drives
  • Automatic switch to 5V regulator for higher-efficiency
  • 8 Power good comparators and sequence logic for external voltage regulators, load switches, or LDOs
  • Power-Button logic supported with programmable response time
  • 2 General Purpose Level Shifters
  • Backup battery / 3.1V LDO selector output for RTC domain
  • Power source detection and monitoring: adapter, battery1, battery2
  • Over-Temperature Protection comparator for stacked PTC thermistors or single NTC thermistor
  • 1Hz EC-Wake clock output
  • Advanced system reset control
  • I2C interface: standard-mode (100kHz), fast-mode (400kHz), fast-mode plus (1000kHz)

应用

  • NVDC or Non-NVDC power system architectures
  • 2, 3, or 4 series-cell Li battery powered products
  • Tablet, ultrabook, 2-in-1, and Notebook computers
  • Mobile PC's, All-in-Ones, mobile internet devices
  • FPGA, industrial metering equipment, personal medical products

Block Diagram

框图 - Texas Instruments  TPS650830 宽输入电压相量测量单元
发布日期: 2015-01-26 | 更新日期: 2022-03-11