MAX17523

1A Adjustable Overcurrent and Overvoltage Protector with High Accuracy

Industry's Most Integrated OCP and OVP Solution with More Robust Reverse Current Blocking Capability


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说明

The MAX17523 adjustable overvoltage and overcurrent protection device is ideal for protecting systems against positive and negative input voltage faults up to ±40V, and feature low 190mΩ (typ) RON integrated FETs.

The adjustable overvoltage range is between 6V and 36V, while the adjustable undervoltage range is between 4.5V and 24V. The overvoltage-lockout (OVLO) and undervoltage-lockout (UVLO) thresholds are set using optional external resistors. The factory preset internal OVLO threshold is 33V (typ), and the preset internal UVLO threshold is 19V (typ).

The MAX17523 also features programmable current-limit protection up to 1A. The device can be set for autoretry, latch-off, or continuous fault response when an overcurrent event occurs. Once current reaches the threshold, the MAX17523 turns off after 21ms (typ) blanking time, and stays off during the retry period when set to autoretry mode. The device latches off after the blanking time when set to latch-off mode. The device limits the current continuously when set to continuous mode. The MAX17523 also features reverse current and thermal shutdown protection.

The MAX17523 is available in a small, 16-pin (3mm x 3mm) TQFN package. The MAX17523 operates over the -40°C to +125°C extended temperature range.

MAX17523: Functional Diagram MAX17523: Functional Diagram 放大+

关键特性

  • Industrial Power Protection Increases Robustness
    • Wide Input Supply Range: +4.5V to +36V
    • Negative Input Tolerance to -36V
    • Low RON 190mΩ (typ)
    • Reverse Current Flow Control Input
    • Thermal Overload Protection
    • Extended -40°C to +125°C Temperature Range
  • Flexible Design Options Eases Designs
    • Adjustable OVLO and UVLO Thresholds
    • Programmable Forward-Current Limit: 0.15A to 1A
    • Programmable Overcurrent Fault Response: Autoretry, Latch-Off, and Continuous
    • Dual Enable Inputs: EN and High Voltage Active-Low HVEN
  • Saves Space
    • 16-Pin, 3mm x 3mm, TQFN Package

应用

  • 状态监测
  • 工厂传感器
  • 过程分析
  • 过程检测仪表
  • 传感器系统
  • 称重与计量系统

请查看具体的参数规格 Overvoltage Protection Controllers (74)


Part NumberChannelsVIN
(V)
VIN
(V)
Over Voltage Trip Level
(V)
Under Voltage Lockout
(V)
Over Volt. FlagtGATE (On)
(ms)
tGATE (Off)
(µs)
Oper. Temp.
(°C)
Package/PinsBudgetary
Price
minmaxSee Notes
MAX17523 14.536AdjustableAdjustableOpen-Drain0.5
3
35
-40 to +125
TQFN-CU/16
$1.68 @1k

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。

MAX17523EVKIT: Evaluation Kit for the MAX17523
申请可靠性报告: MAX17523 
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

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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