TA7279P データシートの表示（PDF） - Toshiba

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TA7279P

Dual-Bridge Drivers (for Switching between Forward and Reverse Rotation) for DC Motors

Toshiba 

TA7279P/AP

Application Circuit

Problems may result if a capacitor is inserted in parallel to the motor.

If measures against noise are necessary, connect capacitors as shown in the diagram below.

A larger bypass capacitor between VCC and GND is effective against noise and other problems.

(A capacitance higher than 100 µF is recommended.)

Note 1: Be sure to connect the VS pins (pins 5 and 10) directly to each other.

Note 2: Utmost care is necessary in the design of the output, VCC, VM, and GND lines since the IC may be destroyed

by short-circuiting between outputs, air contamination faults, or faults due to improper grounding, or by

short-circuiting between contiguous pins.

Note 3: When turning on the power for the ICs, apply VS after VCC (or VCC and VS simultaneously). When shutting

off the power, drop VS before VCC (or VS and VCC simultaneously).

When turning on the power (VCC), keep both the inputs (IN1 and IN2) on a low level.

8

2006-3-2

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