STEF01

Active

8 V to 48 V fully programmable universal electronic fuse

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Product overview

Description

The STEF01 is a universal integrated electronic fuse optimized for monitoring output current and the input voltage on DC power lines. When connected in series to the main power rail, it is able to detect and react to overcurrent and overvoltage conditions. When an overload condition occurs, the device limits the output current to a safe value defined by the user. If the anomalous overload condition persists, the device goes into an open state, disconnecting the load from the power supply.
The device is fully programmable. UVLO, overvoltage clamp and start-up time can be set by means of external components.
The adjustable turn-on time is useful to keep the in-rush current under control during startup and hot-swap operations. The device provides either thermal latch and auto-retry protection modes, which are selectable by means of a dedicated pin.
The STEF01 provides a gate driver pin for an external power MOSFET to implement a reverse-current blocking circuit. The intervention of the thermal protection is signaled to the board monitoring circuits through a signal on the fault pin.
  • All features

    • Operating input voltage range: 8 to 48 V
    • Absolute maximum input voltage: 55 V
    • Continuous current typ.: 4 A
    • N-channel on-resistance typ.: 30 mΩ
    • Enable/fault functions
    • Output clamp voltage: adjustable from 10 to 52 V
    • Programmable undervoltage lockout
    • Short-circuit current limit
    • Programmable overload current limit
    • Adjustable soft-start time
    • Latch or auto-retry thermal protection
    • Maximum allowable power protection
    • Power Good
    • Drives an optional external reverse current protection MOSFET
    • Operating junction temperature -40 °C to 125 °C
    • HTSSOP14 package

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Industrial

All tools & software

    • Part number
      Status
      Description
      Type
      Supplier

      STEVAL-EFUSE01

      Active

      Evaluation board based on the STEF01 fully programmable universal electronic fuse

      PSU and Converter Solution Eval Boards ST
      STEVAL-EFUSE01

      Description:

      Evaluation board based on the STEF01 fully programmable universal electronic fuse

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STMicroelectronics - STEF01

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STEF01FTR
Active
TSSOP-14 Industrial Ecopack2

STEF01FTR

Package:

TSSOP-14

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP-14

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.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
STEF01FTR Available at 4 distributors

Distributor availability ofSTEF01FTR

Distributor Name
Region Stock Min. Order Third party link
RS COMPONENTS EUROPE 1450 1 Order Now
AVNET AMERICA 2500 0 Order Now
Newark Element14 AMERICA 1547 0 Order Now
Farnell Element14 EUROPE 6 1 Order Now

Distributor reported inventory date: 2021-08-03

Distributor Name

RS COMPONENTS

Stock

1450

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

2500

Min.Order

0

Region

AMERICA Order Now

Newark Element14

Stock

1547

Min.Order

0

Region

AMERICA Order Now

Farnell Element14

Stock

6

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-08-03

Buy Direct
Active
EAR99 NEC Tape And Reel TSSOP-14 - - THAILAND 1.1 / 1k

STEF01FTR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.1 / 1k

Distributor availability ofSTEF01FTR

Distributor Name
Region Stock Min. Order Third party link
RS COMPONENTS EUROPE 1450 1 Order Now
AVNET AMERICA 2500 0 Order Now
Newark Element14 AMERICA 1547 0 Order Now
Farnell Element14 EUROPE 6 1 Order Now

Distributor reported inventory date: 2021-08-03

Distributor Name

RS COMPONENTS

Stock

1450

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

2500

Min.Order

0

Region

AMERICA Order Now

Newark Element14

Stock

1547

Min.Order

0

Region

AMERICA Order Now

Farnell Element14

Stock

6

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-08-03

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

TSSOP-14

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

1.1 / 1k

Country of Origin

THAILAND

(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors