Toshiba Adds 80V Electronic Fuse For Industrial Power Protection
KUALA LUMPUR, Aug 20 (Bernama) -- Toshiba Electronic Devices & Storage Corporation (Toshiba) has added “TCKE1401NM”, an 80-volt (V)-rated electronic fuse (eFuse IC), to its lineup of eFuse ICs with multiple built-in power line protection functions.
The new product adopts the VQFN24D package, an industry-leading small package for 80V-rated eFuse ICs, which contributes to improved safety in power line protection circuits and reduced PCB size for industrial equipment.
Driven by the demand for higher output power and improved efficiency, adoption of 48V power systems is advancing across servers, network equipment, factory automation equipment, and robots. This shift requires power line protection circuits that provide high voltage tolerances and multiple protection functions.
An eFuse IC is a semiconductor fuse that protects downstream circuits from abnormal current, abnormal voltage, and other fault conditions.
Toshiba in a statement said the TCKE1401NM has an 80V rating and supports a wide operating voltage range, from 4.7V to 75V. Its high voltage tolerance allows it to be used for power line protection in 24V, 48V, and 54V systems.
The eFuse IC's main protection functions include current limiting that controls output current if overcurrent occurs and output shutdown that turns off output in the event of overvoltage.
The operating thresholds for both functions can be set with external resistors. It also has true reverse current blocking and reverse-connection protection, which use external MOSFETs to protect the IC itself and downstream circuits.
Toshiba said the new eFuse IC also features a FLAG function that notifies external circuits of abnormal conditions, a power-good function that indicates the status of the output voltage, and an output current monitor function. It also has a thermal shutdown function that immediately turns off the eFuse IC in the event of an unexpected short circuit or abnormal heat generation.
-- BERNAMA