XR77129

40V四通道数字PWM/PFM可编程电源管理系统

Description

XR77129是一款四通道DPWM降压型控制器。极宽6V至40V输入电压范围,支持单电源轨供电。

XRP77129内部集成FET门极驱动,两个LDO支持待机电源,开关频率从105kHz到1.23MHz各通道独立可调,可以降低电源设计的元器件数量,减少布板面积,优化电源的转换效率。可选数字脉冲频率模式(DPFM),在低负载电流时效率高于80%,支持便携式设备和能源之星认证应用。XRP77129每个输出电源通道都独立可编程,输出电压低至0.6V,电压分辨率低至2.5mV,可精确设计软启动/软关断时间,包括延时和斜坡控制。

内置独立输出过压,过热,过流,欠压锁定保护,确保在不正常的操作条件下安全运行。

XR77129 RoHS兼容,无铅认证,“绿色”无卤,44-引脚 TQFN封装。

Read More

Features

  • 四通道降压型控制器
    • 数字PWM,开关频率105kHz-1.23MHz
    • 每通道开关频率单独可调
    • 带有Ultrasonic模式的DPFM专利技术
    • 过采样反馈控制专利
  • XRP7724 引脚兼容,兼具更多特性
    • 额外GPIO可配置
    • 可配置限流告警
    • 异常故障告警
    • 输出电压精度更高
  • 6V至40V输入电压范围
  • 0.6V至5.5V输出电压范围
  • 兼容SMBus的-I²C接口
    • 完善的电源监测和报告功能
  • 3 X15V PSIO +2 x GPIOs
  • 支持上电/断电时序可调
  • 内置过温,过流,UVLO和输出过压保护
  • 片内5V和3.3V备用LDOs
  • 片内非易失性内存
  • PowerArchitect™ 5 配套设计和配置软件,支持高输出电压时使用分压电阻

Application

  • 车载娱乐设备
  • 工业控制系统
  • 视听系统
  • 自动测试设备
  • 视频监控系统

Design Tools

Evaluation Hardware and Software
Technical Library

包装

Pkg Code Details Quantities Dimensions PDF
TQFN44 7x7
  • JEDEC Reference: MO-220
  • MSL Pb-Free: TBD @ 260ºC
  • MSL SnPb Eutectic: n/a
  • ThetaJA: 30.2ºC/W
  • Bulk Pack Style: n/a
  • Quantity per Bulk Pack: n/a
  • Quantity per Reel: 2500
  • Quantity per Tube: n/a
  • Quantity per Tray: n/a
  • Reel Size (Dia. x Width x Pitch): 330 x 16 x 12
  • Tape & Reel Unit Orientation: Pin 1 at the top left near sprocket hole.
  • Dimensions: mm
  • Length: 7.00
  • Width: 7.00
  • Thickness: 0.75
  • Lead Pitch: 0.50

Parts & Purchasing

Part Number Pkg Code RoHS Min Temp Max Temp Status Buy Now Order Samples
XR77129ELB-F TQFN44 7x7 Active
XR77129ELBMTR-F TQFN44 7x7 Active
XR77129ELBTR-F TQFN44 7x7 Active
XR77129EVB-DEMO-1 Board Active
XR77129EVB-DEMO-1-KITA Kit Active
Show obsolete parts
Part Status Legend
Active - the part is released for sale, standard product.
EOL (End of Life) - the part is no longer being manufactured, there may or may not be inventory still in stock.
CF (Contact Factory) - the part is still active but customers should check with the factory for availability. Longer lead-times may apply.
PRE (Pre-introduction) - the part has not been introduced or the part number is an early version available for sample only.
OBS (Obsolete) - the part is no longer being manufactured and may not be ordered.
NRND (Not Recommended for New Designs) - the part is not recommended for new designs.
Distribution Date Description File