LB1620 Ver la hoja de datos (PDF) - SANYO -> Panasonic

Número de pieza

componentes Descripción

Fabricante

LB1620

3-Phase DD Motor Driver

SANYO -> Panasonic 

LB1620

Pin Description

Pin name

UIN1, UIN2

VIN1, VIN2

WIN1, WIN2

UOUT

VOUT

WOUT

VCC1

Pin No.

13, 14

15, 16

17, 18

3

2

1

4

VCC2

19

Rf

20

CD

10

STOP

9

FCU

5

FCV

6

FCW

7

VC

11

GND

8

F/RC

12

Function

U phase Hall element input pin, "H" of logic : VIN1>VIN2

V phase Hall element input pin, "H" of logic : VIN1>VIN2

W phase Hall element input pin, "H" of logic : VIN1>VIN2

U phase output pin

V phase output pin

W phase output pin

Power supply pin for applying output

Power supply pin for applying voltage to each section other than output section.

The control point of control voltage is at approximately 1/2 of this voltage.

This voltage must be stabilized to be free from ripple, noise, etc.

Output current detect pin. By connecting Rf across this pin and GND pin, output

current is detected as voltage.

Pin for fetching current (voltage) detected with Rf.

By connecting a resistor across CD pin and Rf, speed control start voltage can be

fine-adjusted.

Overcurrent protection pin.

Voltage being lower than that on CD pin is taken to be identical to overcurrent

flow, causing output to be cut off. Off-state is held.

For example, if STOP pin is set to 1.5V for Rf=1Ω, approximately 1.5A or more

flows at output, causing output to be cut off.

Frequency characteristic compensation pin.

Closed loop oscillation in current-controlled system (including motor, F/V

converter) is stopped.

Speed/phase control pin.

Control starts at approximately 1/2 of VCC2.

Control is of current-controlled type that controls output current.

For Rf=1Ω, LB1620 closed loop has gm of 0.44A/V typ, which can be adjusted by

varying Rf.

GND for other than output.

Minimun potential of output transistor is at Rf pin.

Forward/reverse rotation control pin.

By setting this pin to "H" (more than 2V) / "L" (less than 0.3V), truth value is

changed to perform forward/reverse rotation.

Sample Application Circuit

(Stabilization)

Power supply for Hall element

Forward/reverse select

Control signal input 2

Unit (resistance : Ω, capacitance : F)

No.1210-4/6

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