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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

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Stepping motor drive circuit

Example of stepping motor drive circuit for HVAC

Power supply ON/OFF control and reverse connection protecting circuit (N-ch method)


Stepping motor driver for expansion valve

Part number




6 x 6 mm

Wettable frank package contributes good solderbility.

Output device

Built-in MOSFETs for 1 A class


0.8 Ω (High side + Low side, Typ., Ta = 25 °C )

Detection circuit

Over current, over temp., stall detection and load open

Standby function

Current consumption less than 10 μA in standby mode

Built-in a standby pin

Power supply IC (for MCU)

Part number




(6.4 x 7.0 mm)

Current consumption ICC  (Typ.) [μA]

90 (@VIN = 12 V, Ta = 25 °C)
Load stability VLOAD (Max) [%] 1 (@ILOAD = 1 to 300 mA)


Number of outputs

1 ch (5 V)

Circuit type External transistor type
WDT, Overcurrent limitation


Technical inquiry

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