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KAWASAKI, Japan–(BUSINESS WIRE)–Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has launched a CMOS dual comparator, “TC75W71FU.” It features a highKAWASAKI, Japan–(BUSINESS WIRE)–Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has launched a CMOS dual comparator, “TC75W71FU.” It features a high

Toshiba Releases High-Speed Response, Full Input/Output Range CMOS Dual Comparator Suitable for Overcurrent Detection in Industrial Equipment

2025/12/24 10:15

KAWASAKI, Japan–(BUSINESS WIRE)–Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has launched a CMOS dual comparator, “TC75W71FU.” It features a high-speed response and a full input/output range (Rail to Rail), suiting it for use in overcurrent detection in industrial equipment^[1]. Shipments start today.

Today’s industrial equipment uses large currents in motor drives and power circuits. This brings with it the risk of sudden overcurrent, which can damage equipment, shut down production line, and even reduce safety; its rapid detection and protection from it are essential. In the constant search for higher efficiency and product miniaturization, the range of current and voltages that circuits can support has narrowed, and even slight overcurrent can impose a significant load on the circuit. This increases the need for faster and more precise overcurrent detection technologies.

The new product offers a faster propagation delay than the current TC75W56FU, with a maximum of 45ns for low-to-high transitions and 30ns for high-to-low transitions^[2]. This enables immediate equipment shutdown in overcurrent, enhancing operational safety.

The input/output voltage range supports the full range—operation from minimum (GND) to maximum (Vcc) supply voltage—making design easier. The minimum operating supply voltage, 1.8V, supports low-voltage operation. Since the new comparator also features a push-pull output^[3], signal rise and fall times are fast, no external pull-up resistor is required, and a stable voltage level can be maintained.

In addition to TC75W71FU, TC75W72FU, which features added hysteresis for enhanced noise immunity, and TC75W73FU^[4], which offers hysteresis and an open-drain output^[5] capable of sending signals to voltage domains different from the comparator’s supply, are scheduled to start mass production in February 2026.

Toshiba will continue to develop comparators that contribute to improved safety and reliability of industrial equipment, and to expand the product lineup to meet a wide range of customer needs.

Notes:
[1]	Industrial robots, generators, uninterruptible power supplies (UPS), transformers, etc.
[2]	Propagation delay time of existing product TC75W56FU: Under measurement conditions of V_DD=3V, low to high is typically 550ns, high to low is typically 250ns.
[3]	Push-pull output: a configuration in which the output circuit includes two transistors, one at the top of the circuit, the other on the bottom, actively driving both the high and low levels.
[4]	Propagation delay time is only 30ns (high to low) under measurement conditions of V_DD=3.3V.
[5]	Open-drain output: a configuration in which the output circuit includes only the lower transistor, actively driving the low level.

Applications

Industrial equipment (Industrial robots, UPS, photovoltaic generators, power supply, etc.)
Consumer equipment (home appliances, power supplies, etc.)

Features

Full I/O range
Low voltage drive: 1.8V
High-speed response: tPLH 45ns (max), tPHL 30ns (max) (V_DD=3.3V)

Main Specifications

Part number			TC75W71FU	TC75W72FU^[6]	TC75W73FU^[6]
Package name (Package code)			SOT-505 (SM8)
Operating rating	Supply voltage V_DD(V) T_opr=-40 to 125°C		1.8 to 5.5
DC characteristics	Supply current I_DD (μA) V_DD=1.8V, V_OUT=High, V_IN=V_SS,T_a=25°C	Typ.	276
	Input offset voltage V_IO (mV) V_DD=1.8V, V_SS<V_IN<V_DD, T_a=25°C	Max	17
	Input hysteresis voltage V_HYST (mV) V_IN=V_SS, V_DD=1.8V, T_a=25°C	Typ.	－	3.5
	Low to High, 100 mV Overdrive tPLH (ns) V_DD=3.3V, T_a=25°C	Typ.	23		－
		Max	45		－
	High to Low, 100 mV Overdrive tPHL (ns) V_DD=3.3V, T_a=25°C	Typ.	14		11
		Max	30		30
Output type			Push-pull		Open-drain
Input and output full range			Rail to Rail I/O
Sample Check & Availability			Buy Online	－	－

Note:
[6]	Scheduled to start mass production in February 2026.

Follow the link below for more on the new product.

TC75W71FU

To check related contents on Toshiba’s operational amplifiers and comparators, visit:

Basics of Operational Amplifiers and Comparators

To check availability of the new product at online distributors, visit:

TC75W71FU

Buy Online

* Company names, product names, and service names may be trademarks of their respective companies.

* Information in this document, including product prices and specifications, content of services and contact information, is current on the date of the announcement but is subject to change without prior notice.

About Toshiba Electronic Devices & Storage Corporation

Toshiba Electronic Devices & Storage Corporation, a leading supplier of advanced semiconductor and storage solutions, draws on over half a century of experience and innovation to offer customers and business partners outstanding discrete semiconductors, system LSIs and HDD products.

Its 17,000 employees around the world share a determination to maximize product value, and to promote close collaboration with customers in the co-creation of value and new markets. The company looks forward to building and to contributing to a better future for people everywhere.

Find out more at https://toshiba.semicon-storage.com/ap-en/top.html

Contacts

Customer Inquiries:
Analog Device Sales & Marketing Dept.

Tel: +81-44-548-2219

Contact Us

Media Inquiries:
C. Nagasawa

Communications & Market Intelligence Dept.

Toshiba Electronic Devices & Storage Corporation

semicon-NR-mailbox@ml.toshiba.co.jp

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