LB1975 Просмотр технического описания (PDF) - SANYO -> Panasonic

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Компоненты Описание

производитель

LB1975

3-phase Brushless Motor Driver

SANYO -> Panasonic 

LB1975

Block Diagram and Peripheral Circuit

VCC

VREG S/S F/R

VCC

Reg

FG1 FG2

LVDS

TSD

Hys.Amp

H

IN1

H

IN2

Logic

VM

VM

OUT1

OUT2

OUT3

H

IN3

VCTL

31kΩ

VCTL 40kΩ VCTL Amp

2.35V

PWM

OSC

VCREF VCOUT OSC

RF

Current

Limiter

0.5V

GND1 GND2 GND3

Pin Functions

Pin No. Pin name

1

VCC

2

VREG

Pin voltage

4.5V to 6.7V

0.0V to 7.3V

Function

Power supply for blocks other than the

output block.

Shunt regulator output pin (7V).

Equivalent circuit

2

3

S/S

0.0V to VCC

Start/stop control pin.

Low: start

High or Open: stop

Typical threshold voltage for

VCC = 5V:

approx. 2.8V (low to high)

approx. 2.3V (high to low)

VCC

20kΩ

3.8kΩ

3

Continued on next page.

No.6087-5/10

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