Toshiba TLX9188 transistor output automotive photocoupler

Toshiba Electronic Devices & Storage has launched a high-voltage transistor output photocoupler, the TLX9188, for isolated signal communication in automotive equipment, including electric mobility vehicles.

The high-voltage photo transistor delivers a collector-emitter voltage rating of 200 V, 2.5 times higher than the current TLX9185A. By specifying maximum values for switching characteristics (turn-on time, turn-off time), the photocoupler can be used as a unidirectional switch. It can also be used in feedback circuits of analog signals in 100 to 200 V equipment, which should help to reduce the cost of application circuits.

Suitable automotive applications include battery management systems (voltage monitoring, mechanical relay sticking detection, ground fault detection, etc) as well as feedback of analog signals.