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Toshiba Releases Industry’s First Photocouplers for High-Speed Communications that can Operate from 2.2V

―Support low-voltage peripheral circuits and enable parts reductions―

June 29, 2020

Toshiba Electronic Devices & Storage Corporation

TLP2312_TLP2372

TOKYO—Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has released the industry’s first[1] photocouplers for high-speed communications that can operate with a power supply as low as 2.2V. The two devices are the “TLP2312,” which delivers at typical data transfer rate of 5Mbps, and the 20Mbps “TLP2372.” Shipments start today.

The new products are designed to operate at low voltage, starting at 2.2V, so as to work with the lower voltages of the peripheral circuits, even when used in such low level voltage circuits as 2.5V LVCMOS. This approach eliminates the need for a separate power supply to drive the photocouplers, reducing the component count.

With a low threshold input current of 1.6mA (max), and low supply current of 0.5mA (max) in their -40℃ and +125℃ operating temperature range, the new photocouplers can be directly driven by microcontrollers, reducing power consumption.

The new photocouplers are housed in 5-pin SO6 package with a maximum height of 2.3mm, securing a low profile and bringing greater freedom to component layout on printed circuit boards.

Applications

High-speed digital interfaces
(programmable logic controllers (PLCs), general purpose inverters, measuring equipment and control equipment, etc.)

Features

  • Low voltage operation: VDD=2.2V to 5.5V
  • Low threshold input current: IFLH=1.6mA (max)
  • Low supply current: IDDH, IDDL =0.5mA (max)
  • High operating temperature rating: Topr max=125℃
  • High-speed data transfer rates: 5Mbps (typ.) (TLP2312) / 20Mbps (typ.) (TLP2372)

Main Specifications

(Unless otherwise specified, @Ta= -40 to +125℃)

Part number

TLP2312

TLP2372

Data transfer rate typ.  (Mbps)

5

20

Package

Name

5pin SO6

Height max  (mm)

2.3

Absolute

maximum

ratings

Operating temperature  Topr max  (℃)

125

Output current  IO  (mA)

@Ta=25℃

8

Operating

Ranges

Supply voltage  VDD  (V)

2.2 to 5.5

Electrical

characteristics

Supply current  IDDH, IDDL max  (mA)

0.5

Threshold input current (L/H)  IFLH max  (mA)

1.6

Switching

characteristics

Propagation delay time  tpHL, tpLH max  (ns)

250

60[2]

Common mode transient immunity  

CMH, CML min  (kV/μs)

@Ta=25℃

±20

Isolation

characteristics

Isolation voltage  BVS min  (Vrms)

@Ta=25℃

3750

Sample Check & Availability

Notes:
[1] Among IC output photocouplers for high-speed communications, according to a survey by Toshiba, as of June 2020.
[2] At VIN=2.5V, RIN=470Ω, CIN=68pF

Follow the links below for more on the new product.

TLP2312

TLP2372

Follow the link below for more on Toshiba’s optical semiconductor devices line-up.

Optical Semiconductor Devices

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

TLP2312

TLP2372

 

 

Customer Inquiries

Optoelectronic Device Sales & Marketing Dept.

Tel: +81-3-3457-3431

Contact

* 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.

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