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LP8731-Q1的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:多通道 IC (PMIC)
  • 功能描述:具有 I2C 接口的双路高电流降压直流/直流和双路线性稳压器
  • 点击这里打开及下载LP8731-Q1的技术文档资料
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LP8731-Q1的产品详情:

The LP8731-Q1 is a multi-function, programmable Power Management Unit (PMU), optimized for low power FPGAs, microprocessors, and DSPs. This device integrates two highly efficient 1.2-A step-down DC-DC converters with dynamic voltage management (DVM), two 300-mA linear regulators, and a 400-kHz I2C-compatible interface to allow a host controller access to the internal control registers of the LP8731-Q1. The LP8731-Q1 device additionally features programmable power-on sequencing.

LP8731-Q1的优势和特性:
  • Two LDOs for Powering Internal Processor Functions and I/Os
  • High-Speed Serial Interface for Independent Control of Device Functions and Settings
  • Precision Internal Reference
  • Thermal Overload Protection
  • Current Overload Protection
  • Software Programmable Regulators
  • External Power-On-Reset Function for Buck1 and Buck2 (Power Good with Delay Function)
  • Undervoltage Lockout (UVLO)
  • LP8731-Q1 is an Automotive-Grade Product: AECQ-100 Grade-1 Qualified
  • Step-Down DC/DC Converter (2xBuck)
    • Programmable VOUT from:
      • Buck1 : 0.8875 V – 1.675 V at 1.2 A
      • Buck2 : 0.8875 V – 1.675 V at 1.2 A
    • Up to 96% Efficiency
    • PWM Switching Frequency of 2.1 MHz
    • ±2% Output Voltage Accuracy
    • Automatic Soft Start
  • Linear Regulators (2xLDO)
    • Programmable VOUT of 0.8 V to 3.3 V
    • ±3% Output Voltage Accuracy
    • 300-mA Output Current
    • 30-mV (Typical) Dropout
LP8731-Q1的参数(英文):
  • Regulated outputs (#)
  • 4
  • Vin (Min) (V)
  • 2.8
  • Vin (Max) (V)
  • 5.5
  • Iout (Max) (A)
  • 1.2
  • Rating
  • Automotive
  • LDO
  • 2
  • Iq (Typ) (mA)
  • 0.04
  • Features
  • Enable Pin, I2C Control, Power Good, Power Sequencing, Spread-Spectrum Clock (SSC) Generation, Thermal Shutdown, UVLO Adjustable
  • Processor name
  • Generic
  • Processor supplier
  • Generic
  • Shutdown current (ISD) (Typ) (uA)
  • 0.03
  • Switching frequency (Typ) (kHz)
  • 2100
  • Configurability
  • Factory programmable, Software configurable
LP8731-Q1具体的完整产品型号参数及价格(美元):

LP8731-Q1的完整型号有:LP8731QYZRRQ1,以下是这些产品的关键参数及官网采购报价:

LP8731QYZRRQ1,工作温度:-40 to 125,封装:DSBGA (YZR)-25,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SNAGCU,TI官网LP8731QYZRRQ1的批量USD价格:1.133(1000+)

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LP8731-Q1的评估套件:

LP8731-Q1 Evaluation Program Installer

此解决方案旨在为使用 TDA3x SoC(无需汽车电池输入)的 ADAS 应用创建尺寸经优化的集成电源设计。通过仅面向需要较低处理性能的应用,我们可以选择的器件和组件将比采用较高性能处理器的系统更小。
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