KA3080BD3TF Ver la hoja de datos (PDF) - Fairchild Semiconductor

Número de pieza

componentes Descripción

Fabricante

KA3080BD3TF

3-Phase BLDC Motor Driver

Fairchild Semiconductor 

6. Torque Ripple Control

KA3080/KA3080D/KA3080DM

VCC1

1

2

RS

31

3

(13Pin)

The motor torque ripple is controlled by the TRCTL (Torque ripple control) voltege as follows.

1. GND

2. Normal Mode

3. Control Mode

7. Forward & Reverse Rotation Control

(14Pin) 32

1.25V

Forward mode: VFRCTL ≥ 1.8V

Reverse mode: VFRCTL ≤ 0.8V

8. FG Amp

(12Pin) 30

−

+

FG COMP

29

(11Pin)

FG AMP

+

−

2.5V

27 (9Pin)

28 (10Pin)

9. Phase Stabilization

(3Pin) 18

CI

16 (1Pin)

Be inserted a capacitor between VCC2.

This capacitor, approx. 0.1µF is for the phase stabilization of the circuit.

13

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