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LP87702KRHBTQ1 正在供货

Dual buck converter and 5-V boost with diagnostic functions

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查看产品文件夹 LP87702-Q1


封装 | 引脚: VQFN (RHB) | 32
温度: Q (-40 to 125)
包装数量 | 包装类型: 250 | SMALL T&R


铅涂层/焊球材料 SN
MSL 等级/回流焊峰 Level-2-260C-1 YEAR
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  • AEC-Q100 Qualified for Automotive Applications:
    • Device Temperature Grade 1: –40°C to +125°C,TA
  • FMEDA and Functional Safety Manual available to support your ASIL compliant system designs
  • Two High-Efficiency Step-Down DC/DC converters:
    • Maximum Output Current 3.5 A
    • 2-MHz,3-MHz, or 4-MHz Switching Frequency
    • Auto PWM/PFM and Forced-PWMOperations
    • Output Voltage = 0.7 V to 3.36V
  • 5-V Boost Converter With Bypass-Mode Option:
    • Maximum Output Current 600 mA
  • Two Inputs for External Voltage Monitoring
  • Two Programmable Power-Good Signals
  • Dedicated Reference Voltage for Diagnostics
  • Window Watchdog With Reset Output
  • External Clock Input to Synchronize Switching
  • Spread-Spectrum Modulation
  • Programmable Start-up and Shutdown Delays and Sequencing With Enable Signal
  • Configurable General Purpose Outputs (GPOs)
  • I2C-Compatible Interface Supporting Standard (100 kHz), Fast (400 kHz), Fast+ (1 MHz), and High-Speed (3.4 MHz) Modes
  • Interrupt Function With Programmable Masking
  • Output Short-Circuit and Overload Protection
  • Overtemperature Warning and Protection
  • Overvoltage Protection (OVP) and Undervoltage Lockout (UVLO)

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The LP87702-Q1 helps meet the power management requirements of the latest platforms,particularly in automotive radar and camera and industrial radar applications. The device containstwo step-down DC/DC converters, and a 5-V boost converter/bypassswitch. To support safety critical applications. the device integrates two voltagemonitoring inputs for external power supplies, and a window watchdog.

The automatic PWM/PFM (AUTO mode) operation gives high efficiency over a wide outputcurrent range for buck converters. The LP87702-Q1 usesremote voltage sensing to compensate IR drop between the converter output and the point-of-load,thus improving the accuracy of the output voltage.

Programmable start-up and shutdown sequences synchronized to the enable signal aresupported, including general purpose digital outputs. During start-up and voltage change, thedevice controls the output slew rate for minimum output voltage overshoot and inrush current. Thisdevice contains one-time-programmable (OTP) memory. Each orderable part number has specific OTPsettings for a given application. Details of the default OTP configuration for each orderable partnumber can be found in the technical reference manual.

数量 单价
1-99 $3.79
100-249 $3.32
250-999 $2.33
1,000+ $1.88


产品型号 LP87702KRHBRQ1
包装数量 | 包装类型 3,000 | LARGE T&R
库存 4,260
数量 | 价格 (USD) 1ku | $1.66