ST1153A datasheet(6/7 Pages) SITI

部品番号	ST1153A

部品情報	Low-saturation, Low-voltage Bi-directional Multi-Channels Motor Driver

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メーカー	SITI [Silicon Touch Technology Inc.]

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點晶科技股份有限公司

SILICON TOUCH TECHNOLOGY INC.

ST1153A

ST1153A_A05.doc

Version：A.05

-5-

Power Dissipation-Temperature

0

100

200

300

400

500

600

700

800

900

0

25

50

75

100

125

Ambient Temperature ( ℃ )

Application Notes

To increase system stability, it is suggestion to connect a resistor RVDD about 470Ω between

battery power and driver's VDD pin as shown on application circuit.

The IC supports 3 channels operating separately or the parallel connection of two channels.

For 3th motor application, the power supply for 3th motor is from both VS1 and VS2 pins.

In multiple power supply application, although power supply of control logic and motor

driver are separated, the voltage of VDD pin must be lager than or equal to the voltage of

VS1 and VS2 pin.

The power dissipated by the IC varies widely with the supply voltage, the output current, and

loading. It is important to ensure the application does not exceed the allowable power

dissipation of the IC package. The recommended motor driver power dissipation versus

temperature is depicted as follows:

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