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4.5V to 60V, Synchronous Step-Down Supercapacitor Charger Controller

Wide Input Voltage, High Efficiency, Switching Super Cap Battery Charger

产品详情

主要特征

应用/用途

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Parametric specs for Battery Chargers
Charging VIN (V) (max) 60
Max. ICHG (A) 20
Cell Chemistry Supercapacitor
Protected VIN (V) (max) 60
Charger (V) 1.25 to 56
Oper. Temp. (°C) -40 to +125
Package/Pins TQFN-CU/24
Budgetary
Price (See Notes)
$2.25 @1k
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技术文档

设计与制作发展历程

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描述

The MAX17701EVKITA# (EV kit) provides a proven design to evaluate the MAX17701 high-efficiency, high- voltage, Himalaya synchronous step-down DC-DC super- capacitor charger controller. The EV kit provides constant current (CC) mode and constant voltage (CV) modes to charge supercapacitors. The EV kit is designed to deliver 20A CC mode current (ICHGMAX) and 5V CV mode volt- age (VOUT) from a 9V to 60V input supply. The EV kit supports up to continuous 10A load connected in parallel to supercapacitors at the output. The EV kit is optimized for 24V nominal input voltage application. The switching frequency of the EV kit is set at 350kHz (fSW) for optimum efficiency and component size. The EV kit features a safety timer (TMR) to set the maximum allowed constant cur- rent (CC) mode charging time. For more details about the IC benefits and features, refer MAX17701 IC data sheet.

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特征

  • Operates from a 9V to 60V Input Supply
  • 20A CC Mode Charging Current
  • 5V CV Mode Output Voltage
  • 350kHz Switching Frequency
  • Resistor-Programmable UVLO Threshold
  • Input Short Protection
  • CC Mode Safety Timer (TMR)
  • Cycle-by-Cycle Overcurrent Limit
  • External Clock Synchronization (RT/SYNC)
  • Fault Monitoring Open-Drain Output (Active-Low FLG)
  • Charging Current Monitoring (ISMON)
  • Output Overvoltage Protection (OVI)
  • IC Overtemperature Protection
  • Proven PCB Layout
  • Fully Assembled and Tested

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    参量

    Parametric specs for Battery Chargers
    Charging VIN (V) (max) 60
    Max. ICHG (A) 20
    Cell Chemistry Supercapacitor
    Protected VIN (V) (max) 60
    Charger (V) 1.25 to 56
    Oper. Temp. (°C) -40 to +125
    Package/Pins TQFN-CU/24
    Budgetary
    Price (See Notes)
    $2.25 @1k

    主要特征

    应用/用途

    • null
    • null
    • null
    • null
    • null

    描述

    技术文档

    支持与训练

    Search our knowledge base for answers to your technical questions.

    过滤搜索

    Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal.