M54543AFP datasheet(4/4 Pages) MITSUBISHI

tên linh kiện	M54543AFP

Giải thích chi tiết về linh kiện	Bi-DIRECTIONAL MOTOR DRIVER WITH BRAKE FUNCTION AND THERMAL SHUT DOWN FUNCTION

PDF	4 Pages

Scroll/Zoom	100%

nhà sản xuất	MITSUBISHI [Mitsubishi Electric Semiconductor]

Trang chủ	http://www.mitsubishichips.com

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4 / 4 page

Bi-DIRECTIONAL MOTOR DRIVER

WITH BRAKE FUNCTION AND THERMAL SHUT DOWN FUNCTION

M54543AFP

MITSUBISHI <CONTROL / DRIVER IC>

APPLICATION EXAMPLES

1) When VCC and VCC’ are used as the same power supply

CAUTIONS

Since the thermal protection function of this IC may not work in

abnormal status (oscillation, low supply voltage, output short-

circuit, etc.), check the operation in the IC installation status when

using this function.

When the motor back electromotive force is large with the brakes

applied, for example, malfunction may occur in internal parasitic Di.

If flyback current of 1A or more flows, add Schottky Di to the

portion between the output and the GND.

When the IC is used at a high speed for PWM, etc., note that

switching of output results in delay of approx.10

µs.

2) When VCC is used as a fixed power supply and VCC’ is used as

a variable power supply

3) When VCC is used as a variable power supply and VCC’ is used

as a fixed power supply

VCC

R2=3

Ω

R1=

Ω

Input 2

Input 1

M54543AFP

10 – 100

µF

VCC

Input 2

Input 1

M54543AFP

1 – 10

µF

Ω

10 – 100

µF

VCC’

Input 2

Input 1

M54543AFP

10 – 100

µF

Ω

1 – 10

µF

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