MAX1614

高边、N通道MOSFET开关驱动器

业内电源电流最低的高边、n沟道MOSFET驱动器


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说明

The MAX1614 drives high-side, n-channel power MOSFETs to provide battery power-switching functions in portable equipment. The n-channel power MOSFETs typically have one-third the on-resistance of p-channel MOSFETs of similar size and cost. An internal micropower regulator and charge pump generate the high-side drive output voltage, while requiring no external components.

The MAX1614 also features a 1.5%-accurate low-battery comparator that can be used to indicate a low-battery condition, provide an early power-fail warning to the system microprocessor, or disconnect the battery from the load, preventing deep discharge and battery damage. An internal latch allows for pushbutton on/off control with very low current consumption. Off-mode current consumption is only 6µA while normal operation requires less than 25µA. The MAX1614 is available in the space-saving µMAX® package that occupies about 60% less space than a standard 8-pin SO.
MAX1614:典型工作电路 MAX1614:典型工作电路 放大+

关键特性

  • Integration Provides a Simple-to-Use Solution
    • Requires No External Components
    • Internal On/Off Latch Facilitates Pushbutton Control
    • 1.5% Accurate Low-Battery Detector Protects Battery and Data Stored in Memory
    • Controlled Turn-On for Low Inrush Current
  • Low Power Consumption Extends Battery Life
    • 25µA (max) Quiescent Current
    • 6µA (max) Shutdown Current
  • µMAX Package is 60% Smaller Than Typical 8-pin SO Solution
  • Supports Typical Requirements of Portable, Battery- Powered Designs
    • 5V to 26V Input Voltage Range
    • Drives Single or Back-to-Back MOSFETs

应用

  • 电池组
  • 手持式仪表(PDA、掌上电脑)
  • 笔记本电脑
  • 便携式设备
Part NumberNo. of DriversLogic PolarityConfig.VSUPPLY
(V)
Package/PinsOper. Temp.
(°C)
Budgetary
Price
See Notes
MAX1614 1
Inverting
Noninverting
High-Side N Drive5 to 26
UMAX/8
-40 to +85
0 to +70
$2.20 @1k
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Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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相关资料

类型 编号 标题
参考电路240Overcurrent Monitor Operates up to 26V