5 V and 12 V power line protection based on STEF05 and STEF12 electronic fuses

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  • The STEVAL-IFP021V1 demonstration board is based on the STEF05 and STEF12 electronic fuses (E-Fuses).

    It is designed to help users evaluate the benefit of the complete protection offered by the E-Fuse family and to customize their own application.
    The E-Fuse family of hot-swap converters is designed to replace the mechanical fuses on low voltage power lines.
    The STEF05 and STEF12 are integrated electronic fuses optimized for monitoring output current and input voltage.
    Connected in series to the 5 V/12 V rails, they are capable of protecting the electronic circuitry on the output from overcurrent and overvoltage.
    The turn-on time is programmable by means of an external capacitor, allowing control of the inrush current at startup and during hot-swaps.
    When an overload condition occurs, the E-Fuse limits the output current to a predefined safe value. If the anomalous overload condition persists, it goes into an open state, disconnecting the load from the power supply.
    If a continuous short-circuit is present on the board, when power is re-applied the E-Fuse initially limits the output current to a safe value, and then again goes into an open state.
    Both devices are equipped with a thermal protection circuit.
    The intervention of the thermal protection is signaled to the board monitoring circuits through a signal on the enable/fault pin that can be connected to other parts belonging to the same family to cause a simultaneous shutdown during failure events.
    Unlike mechanical fuses, which must be physically replaced after a single event, E-Fuses do not degrade in their performance after short-circuit/thermal protection interventions and can be reset either by re-cycling the supply voltage or by using the enable pin.

    Key Features

    • Input voltages: 5 V and 12 V
    • Continuous current: 3.6 A (typ.) each
    • Adjustable slew rate for output voltage
    • Overvoltage clamp
    • Undervoltage lockout
    • Programmable short-circuit current limit
    • Overload current limit
    • Controlled output voltage ramp
    • Thermal latch protection
    • Fault condition flag
    • Enable pin
    • RoHS compliant

样片和购买

产品型号
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供货状态
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ECCN (US)
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从分销商订购
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STEVAL-IFP021V1 STEF05; STEF12
批量生产
50.0 1 EAR99 ITALY 查看供货情况

Distributor availability ofSTEVAL-IFP021V1

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 1 1 Order Now
P&S ASIA/PACIFIC 1 1 Order Now
MOUSER WORLDWIDE 11 1 Order Now

代理商库存报告日期: 2019-11-12

代理商名称

DIGIKEY

库存

1

Min.Order

1

地区

WORLDWIDE Order Now

P&S

库存

1

Min.Order

1

地区

ASIA/PACIFIC Order Now

MOUSER

库存

11

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-11-12

立即购买

STEVAL-IFP021V1

核心产品

STEF05; STEF12

供货状态

批量生产

单价(US$)

50.0*

Distributor availability ofSTEVAL-IFP021V1

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 1 1 Order Now
P&S ASIA/PACIFIC 1 1 Order Now
MOUSER WORLDWIDE 11 1 Order Now

代理商库存报告日期: 2019-11-12

代理商名称

DIGIKEY

库存

1

Min.Order

1

地区

WORLDWIDE Order Now

P&S

库存

1

Min.Order

1

地区

ASIA/PACIFIC Order Now

MOUSER

库存

11

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-11-12

单价(US$)

50

数量

1

ECCN (US)

EAR99

Country of Origin

ITALY

(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商

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硬件资源

    • 描述 版本 文档大小 操作
      STEVAL-IFP021V1 gerber files 3.1
      112.38 KB
      ZIP

      STEVAL-IFP021V1 gerber files

    • 描述 版本 文档大小 操作
      STEVAL-IFP021V1 BOM 2.1
      39.71 KB
      PDF

      STEVAL-IFP021V1 BOM

    • 描述 版本 文档大小 操作
      STEVAL-IFP021V1 schematics 1.0
      23.56 KB
      PDF

      STEVAL-IFP021V1 schematics

出版刊物和宣传资料

    • 描述 版本 文档大小 操作
      Products and solutions for Smart industry 3.0
      3.32 MB
      PDF

      Products and solutions for Smart industry

法律

    • 描述 版本 文档大小 操作
      Evaluation products license agreement 1.6
      74.12 KB
      PDF

      Evaluation products license agreement

产品型号 供货状态 封装 等级规格 符合RoHS级别 WEEE Compliant Material Declaration**
STEVAL-IFP021V1
批量生产
CARD 工业 Ecopack2 -

STEVAL-IFP021V1

Package:

CARD

Material Declaration**:

Marketing Status

批量生产

Package

CARD

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.