KA3080C Ver la hoja de datos (PDF) - Fairchild Semiconductor

Número de pieza

componentes Descripción

Fabricante

KA3080C

3-Phase BLDC Motor Driver

Fairchild Semiconductor 

KA3080/KA3080D/KA3080DM

(4) 19

Output

Current

(Max.)

0 1.25V

0.67A/V

VLIM

4. Motor Speed Control (Input Voltage Control)

Motor speed control is possible when VCTL ≥ VREF.

The control gain is approx. 1.0A/V as follows.

GML = ∆IO / ∆VCTL = (IO2 − IO1) / (VCTL2 − VCTL1), where VREF = 2.5V, VCTL1 = 2.6V → Output current=IO1

VREF = 2.5V, VCTL2 = 2.7V → Output current=IO2

(5Pin) 20

VCC1

GOUT

5. Voltage Control Reference

Output

Current

(Max.)

0

VREF

1.0A/V

VLIM

(6Pin) 21

11 (22Pin)

RS

The input voltage range is 2V ≤ VREF ≤ (VCC1 - 2V).

12

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