MAX17563

Adjustable Overvoltage and Overcurrent Protectors 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 MAX17561/MAX17562/MAX17563 adjustable overvoltage and overcurrent-protection devices are ideal to protect systems against positive and negative input voltage faults up to ±40V and feature low 100mΩ (typ) RON FETs.

The adjustable overvoltage protection range is between 6V and 36V, while the adjustable undervoltage protection 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 19.2V (typ).

The ICs also feature programmable current-limit protection up to 4.2A. Once current reaches the threshold, the MAX17561 turns off after the 20.7ms (typ) blanking time and stays off during the retry period. The MAX17562 latches off after the blanking time, and the MAX17563 limits the current continuously. In addition, these devices feature reverse current and thermal-shutdown protection. The ICs are available in a small 14-pin TSSOP (5mm x 6.5mm) package and are specified over the extended -40°C to +125°C temperature range.


How to Add Overvoltage and Overcurrent Protection Using the MAX17561—Part 1


How to Add Overvoltage and Overcurrent Protection Using the MAX17561—Part 2

MAX17561, MAX17562, MAX17563: Functional Diagram MAX17561, MAX17562, MAX17563: 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 100mΩ (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: 0.7A to 4.2A with ±15% Accuracy
    • Dual Enable Inputs: EN and High Voltage Active-Low HVEN
  • Saves Space
    • 14-Pin, 5mm x 6.5mm, TSSOP Package

应用

  • 电池供电应用
  • 消费类电子
  • 工业设备
  • 航海设备

请查看具体的参数规格 Overvoltage/Overcurrent Protectors with Internal MOSFETs (27)


Part NumberChannelsVIN
(V)
VIN
(V)
Internal Pwr. MOSFETsRON
(mΩ)
Current Limit
(A)
Current Limit
(A)
Current Limit Accuracy
(%)
Fault ResponseReverse Current Protect.Fault IndicatorOper. Temp.
(°C)
Package/PinsBudgetary
Price
minmaxtypminmaxSee Notes
MAX17561 14.536NMOS+PMOS1000.74.215Auto RetryYesYes-40 to +125
TSSOP/14
$3.41 @1k
MAX17562 Latchoff
TSSOP/14
MAX17563 Continuous
TSSOP/14

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。

MAX17561EVKIT: Evaluation Kit for the MAX17561/MAX17562 and MAX17563
申请可靠性报告: MAX17563 
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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类型 编号 标题
应用笔记 6142 Complete System Power Protection Design Guide