Rainbow-electronics BA6209N Uživatelský manuál stáhnout pdf

386

Motor driver ICs

Reversible motor driver

BA6209 / BA6209N

The BA6209 and BA6209N are reversible-motor drivers suitable for brush motors. Two logic inputs allow three output

modes : forward, reverse, and braking. The motor revolving speed can be set arbitrarily by controlling the voltage applied

to the motor with the control pin voltage V

Applications

VCRs and cassette tape recorders

Features

1) Power transistors can handle a large current

(1.6A maximally).

2) Brake is applied when stopping the motor.

3) Built-in function to absorb rush currents generated by

reversing and braking.

4) Motor speed controlling pin.

5) Small standby current.

CC = 12V, IO = 5.5mA typically)

6) Stable operation during mode changes either from

forward to reverse or vice versa.

7) Interface with CMOS devices.

Block diagram

1 2 3 4 5 6 7 8

Shrnutí obsahu

Strany 1 - Reversible motor driver

386Motor driver ICsReversible motor driverBA6209 / BA6209NThe BA6209 and BA6209N are reversible-motor drivers suitable for brush motors. Two logic inp

Strany 2 - CC = 12V)

387Motor driver ICs BA6209 / BA6209NFAbsolute maximum ratings (Ta = 25_C)FRecommended operating conditions (Ta = 25_C)FElectrical characteristics (unl

Strany 3

388Motor driver ICs BA6209 / BA6209N

Strany 4 - Measurement circuit

389Motor driver ICs BA6209 / BA6209NMeasurement circuit

Strany 5

390Motor driver ICs BA6209 / BA6209NCircuit operationInput / output truth tableForward / reverse control, forced stop, and rush currentabsorption are

Strany 6

391Motor driver ICs BA6209 / BA6209NOperation notes(1) Resistor dividing IC power consumptionTo reduce power dissipated in the IC, a resistance (abou

Strany 7

392Motor driver ICs BA6209 / BA6209N(9) ASOMake sure that the output current and supply voltage donot exceed the ASO values.(10) Precautions for input

Strany 8 - Application example

393Motor driver ICs BA6209 / BA6209NApplication exampleExternal dimensions (Units: mm)

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