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Toshiba Releases Its First 200V Transistor Output Automotive Photocoupler

November 18, 2021

Toshiba Electronic Devices & Storage Corporation

Toshiba Starts Sample Shipments of Pre-Driver IC for Automotive Brushless Motors Supporting Functional Safety

KAWASAKI, Japan—Toshiba Electronic Devices & Storage Corporation ("Toshiba") has launched a high voltage transistor output automotive photocoupler, “TLX9188,” for isolated signal communication in automotive equipment, including electric mobility vehicles. Volume shipments start today.

TLX9188’s high voltage photo transistor delivers a collector-emitter voltage rating of 200V, 2.5 times higher than Toshiba’s current TLX9185A, a first for the company[1]. By specifying maximum values for switching characteristics (turn-on time, turn-off time), the new photocoupler can be used as a unidirectional switch. It can also be used in feedback circuits of analog signals in 100V to 200V equipment, helping to reduce the cost of application circuits.

Note:
[1] For an automotive photocoupler

Applications

Automotive equipment

  • Battery Management Systems: voltage monitoring, mechanical relay sticking detection, ground fault detection, etc.
  • Feedback of analog signals, etc.

Features

  • High collector-emitter breakdown voltage: V(BR)CEO=200V (min)
  • High current transfer ratio: IC/IF=100% (min), rank GB
  • High isolation voltage: BVS=3750Vrms (min)
  • Wide operating temperature rating range: Topr= -40 to 125°C
  • AEC-Q101 qualified
  • IATF 16949 certified

Main Specifications

(Unless otherwise specified, @Ta=25°C)

Part number

TLX9188

Absolute maximum ratings

Input forward current IF (mA)

30

Collector current IC (mA)

50

Operating temperature Topr (°C)

-40 to 125

Electrical

characteristics

Collector-emitter breakdown Voltage

V(BR)CEO min (V)

@IC=0.1mA,

Ta= -40 to 125°C

200

Dark current ICEO max (μA)

@VCE=200V

0.2

Coupled

electrical characteristics

Current transfer ratio IC/IF min (%)

@IF=5mA, VCE=5V,

rank GB

100

Saturated current transfer ratio IC/IF(sat)

min (%)

@IF=1mA,

VCE=0.4V,

rank GB

30

Collector-emitter saturation voltage VCE(sat)

max (V)

@IC=2.4mA, IF=8mA

0.4

OFF-state collector current IC(off)

max (μA)

@VF=0.7V, VCE=200V

10

Switching

characteristics

Turn-on time tON max (μs)

@RL=1.9kΩ, VCC=5V,

IF=10mA

100

Turn-off time tOFF max (μs)

500

Isolation

characteristics

Isolation voltage BVS min (Vrms)

3750

Package

Name

4pin SO6

Size typ. (mm)

3.7×7.0×2.1

Sample Check & Availability

Follow the link below for more on the new product.
TLX9188

Follow the link below for more on Toshiba’s photocouplers.
Isolators/Solid State Relays

Follow the link below for more on Toshiba’s automotive devices.
Automotive Devices

To check availability of the new product at online distributors, please visit:
TLX9188
Buy Online

Customer Inquiries
Optoelectronic Device Sales & Marketing Dept.
Tel: +81-44-548-2218

* 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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