eFuse ICs

Conventional fuses protect circuits and prevent equipment destruction by fusing the built-in alloy parts by Joule heat when a current exceeding the rated value flows. However, these fuses have disadvantages such as uncertainty of the breaking current, slow fusing time, and the need for replacement work due to destruction by a single overcurrent. Unlike conventional fuses, the eFuse IC (electronic fuse) has a high-speed current interruption function because the built-in MOSFETs are turned off when excessive current flows. In addition, it is not destroyed by a single overcurrent and can be used repeatedly. It is advantageous in that it can incorporate various protection functions such as overvoltage protection. This product is also effective in reducing maintenance costs and recovery time for repairs.

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Operating input voltage VIN (Min) (V)
Operating input voltage VIN (Max) (V)
Operating Output Current IOUT (Max) (A)
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unit:
WSON10

Package Size

W : 3.0 mm 0.12 inch
L : 3.0 mm 0.12 inch
H : 0.75 mm 0.030 inch
WSON10B

Package Size

W : 3.0 mm 0.12 inch
L : 3.0 mm 0.12 inch
H : 0.75 mm 0.030 inch

All package dimensions are guaranteed in millimeters as mentioned on datasheet. Package dimension in inches is round to 2 significant digits converted with 1mm=0.0393701inch.

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About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

Technical Articles

All major protection functions are realized in one package.
Toshiba eFuse ICs incorporate various high-performance, high-precision protective functions that are not feasible with conventional fuses.
Details
All major protection functions are realized in one package

Power Management ICs / eFuse ICs

How quick is the protection speed of the electronic fuse?
High-speed protection reduces circuit stress

Power Management ICs / eFuse ICs

The fuse electronization changes the design?
High precision current setting of shut down improves design flexibility

Power Management ICs / eFuse ICs

Quick short-circuit protection
Toshiba eFuse IC has ultra-high-speed short circuit protecting technique. This provides robust protection.

Power Management ICs / eFuse ICs

High-precision overcurrent protection
Toshiba eFuse IC can be set optimally by means of a variable overcurrent protecting function using external resistors.

Power Management ICs / eFuse ICs

High-precision overvoltage clamp function
Toshiba eFuse IC has the function of preventing excessive voltage from being applied to the rear ICs by clamping the outputs for instantaneous voltage increases.

Power Management ICs / eFuse ICs

IEC 62368-1 Safety standard certification
Toshiba eFuse ICs have obtained certification for the latest standards.

Power Management ICs / eFuse ICs

Function to suppress inrush current
Toshiba eFuse IC can reduce the inrush current by using an adjustable slew rate control function with an external capacitance.

Power Management ICs / eFuse ICs

Thermal shutdown function and recovery operation
If an overcurrent or overvoltage condition persists for a long time in the eFuse IC and the IC temperature exceeds the set temperature, the IC is placed in a standby state to shut off the output and prevent the output from being damaged by the thermal shutdown function

Power Management ICs / eFuse ICs

Reverse current blocking function
Toshiba eFuse IC can prevent backflow current when turned off by an optional external N-channel MOSFET.

Documents

Name Date

Technical topics

Applications

Robot Cleaner
Such as high efficiency, low power consumption and miniaturization are important in designing robot cleaner. Toshiba provides information on a wide range of semiconductor products suitable for power supply unit, motor driving units, sensor signal input unit, etc., along with circuit configuration examples.
Details
Electric Shaver
Such as low power consumption and miniaturization are important in designing electric shaver. Toshiba provides information on a wide range of semiconductor products suitable for power supply units, surge voltage protection units, motor driving units, etc., along with circuit configuration examples.
Details
Wireless Earbuds
Such as low power consumption and miniaturization are important in designing wireless earbuds. Toshiba provides information on a wide range of semiconductor products suitable for power supply/power supply management units, surge/ESD protection circuit units, etc., along with circuit configuration examples.
Details
Wireless Charger
Such as low power consumption and miniaturization are important in designing wireless charger. Toshiba provides information on a wide range of semiconductor products suitable for power supply unit, inverter circuit unit, etc., along with circuit configuration examples.
Details
Cordless Cleaner
Such as high efficiency, low power consumption and miniaturization are important in designing cordless cleaner. Toshiba provides information on a wide range of semiconductor products suitable for power supply units, control unit, motor driving units, etc., along with circuit configuration examples.
Details
Cordless Power Tool
Such as low power consumption and miniaturization are important in designing cordless power tools. Toshiba provides information on a wide range of semiconductor products suitable for motor drive units, control units, power supply and charge management units, etc., along with circuit configuration examples.
Details
Washing Machine
Such as efficiency of motor driving, low power consumption and miniaturization are important in designing washing machine. Toshiba provides information on a wide range of semiconductor products suitable for power sullpy units, motor driving units, control units, sensor signal input units, etc., along with circuit configuration examples.
Details
Tablet Device
Such as low power consumption and miniaturization are important in designing tablet device. Toshiba provides information on a wide range of semiconductor products suitable for power supply management units, sensor signal input units, display units, over temperature monitoring unit, etc., along with circuit configuration examples.
Details
Solid State Drive
Such as low power consumption and miniaturization are important in designing solid state drive (SSD). Toshiba provides information on a wide range of semiconductor products suitable for power supply/power supply management units, surge/ESD protection circuit units, over temperature monitoring unit, etc., along with circuit configuration examples.
Details
Action Camera
Such as low power consumption and miniaturization are important in designing action camera. Toshiba provides information on a wide range of semiconductor products suitable for power supply and charge management units, RF circuit units, display unit, etc., along with circuit configuration examples.
Details
Smart Watch
Such as low power consumption and miniaturization are important in designing smart watch. Toshiba provides information on a wide range of semiconductor products suitable for power supply and charge management units, sensor signal input units, display units, etc., along with circuit configuration examples.
Details
Smart Speaker
Such as low power consumption and miniaturization are important in designing smart speaker. Toshiba provides information on a wide range of semiconductor products suitable for power supply units, sensor signal input unit, display unit, etc., along with circuit configuration examples.
Details
Surveillance Camera
Such as low power consumption and miniaturization are important in designing surveillance camera. Toshiba provides information on a wide range of semiconductor products suitable for power supply units, camera motion control units, etc., along with circuit configuration examples.
Details

Reference Design

This is a picture of eFuse Application Circuit (with Thermal Shutdown).
eFuse Application Circuit (with Thermal Shutdown)
This reference design provides design guide, data and other contents of eFuse IC Application Circuit (with Thermal Shutdown) built on a small board. This circuit provides over temperature detection and protection by combining the eFuse IC and the ThermoflaggerTM (Over Temperature Detection IC).
Details
This is a picture of eFuse Application Circuit (with Enhanced Overcurrent Protection).
eFuse Application Circuit (with Enhanced Overcurrent Protection)
This reference design provides design guide, data and other contents of eFuse IC Application Circuit (with Enhanced Overcurrent Protection) built on a small board.This circuit provides precise overcurrent shutdown by combining the eFuse IC and the ThermoflaggerTM used as an overcurrent detection device.
Details
PCB photo example of Power multiplexer circuit
Power Multiplexer Circuit Using Common-Drain MOSFET
This power multiplexer circuit with 2 inputs and 1 output is realized on a small board. A new power multiplexer circuit usign common-drain MOSFET has been added to the already developed power multiplexer circuit reference design. These reference circuits allow switching between BBM and MBB modes by combining optimal devices such as MOSFET gate driver ICs and zener diodes from our diverse product lineup.
Power multiplexer circuit / 2 input and 1 output
Details

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