Isolation circuit (Between outdoor and indoor units)

Example of a protection circuit using a photocoupler that protects against noise applied from a harness between board communication

Isolation circuit (Compressor block between outdoor/indoor units)

Lineup

MCU

TXZ+™4A Series M4K Group / TX04 Series M470 Group / TX03 Series M370 Group

Series Group Function
TXZ+™4A Series M4K Group Arm® Cortex®-M4, 160 MHz operation
4.5 to 5.5 V, three motor control (Max), Data Flash
TX04 Series M470 Group Arm® Cortex®-M4, 120 MHz operation
4.5 to 5.5 V, two motor control (Max)
TX03 Series M370 Group Arm® Cortex®-M3, 80 MHz operation
4.5 to 5.5 V, two motor control (Max)

MCU

TXZ+™3A Series M3H Group

Series Group Function
TXZ+™3A Series M3H Group Arm® Cortex®-M3, 120 MHz, 2.7 to 5.5 V operation

Transistor output photocoupler

Part number TLP383 TLP293 TLP385
Package 4pin SO6L SO4 4pin SO6L
BVS [Vrms] 5000 3750 5000
Topr [˚C] -55 to 125 -55 to 125 -55 to 110

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* Arm and Cortex are registered trademarks of Arm Limited (or its subsidiaries) in the US and/or elsewhere.
* TXZ+™ is a trademark of Toshiba Electronic Devices & Storage Corporation.
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