Rainbow-electronics BA6955N Manual do Utilizador descarregar pdf

BA6283N / BA6955N

Motor driver ICs

Reversible motor driver

BA6283N / BA6955N

The BA6283N and BA6955N are reversible-motor drivers with a maximum output current of 1.0A. Two logic inputs allow

four output modes: forward, reverse, stop (standby), and brake.

The built-in power save circuit suppresses current consumption in the motor stop mode.

!Applications

VCRs, audio devices

Features

1) Logic and driver sections have separate ground pins; this allows the IC to drive speed-variable, reversible motors by

connecting an electronic governor circuit.

2) Built-in power saving circuit suppresses current consumption in stop (standby) mode.

3) Interfaces with TTL devices.

4) Built-in thermal shutdown circuit.

Absolute maximum ratings

(Ta = 25°C)

Parameter Symbol Limits Unit

Applied voltage

18 V

Power dissipation Pd

BA6283N

BA6955N

1150

∗1

1080

∗2

Operating temperature Topr

−20~+75

°C

Output current

OUT

1000

∗3

Storage temperature Tstg

−55~+150

°C

∗1 Reduced by 9.2mW for each increase in Ta of 1°C over 25°C.

∗2 Reduced by 8.64mW for each increase in Ta of 1°C over 25°C.

∗3 Should not exceed Pd or ASO values.

!Recommended operating conditions (Ta = 25°C)

Parameter

Operating power supply voltage

5.5 15 V

−

5.5 15 V

−

Symbol Min. Typ. Max. Unit

1 2 3 4 5 6 7 8 9

Resumo do Conteúdo

Página 1 - Reversible motor driver

BA6283N / BA6955NMotor driver ICsReversible motor driverBA6283N / BA6955NThe BA6283N and BA6955N are reversible-motor drivers with a maximum output cu

Página 2 - BA6283N / BA6955N

BA6283N / BA6955NMotor driver ICs!!!!Block diagram1 2 3 4 5 6 7 8 9TSDCONTROL LOGICPOWERSAVEOUT2 OUT1 GND GNDRNFVMVCCFINRIN1 2 3 4 5 6 7 8TSDCONTROL L

Página 3

BA6283N / BA6955NMotor driver ICs!!!!Pin descriptionsBA6283NPin No. FunctionsPower supplyPin nameVCC123456798Logic inputFINGNDGNDGNDGNDMotor outputOUT

Página 4

BA6283N / BA6955NMotor driver ICs!!!!Electrical characteristics (unless otherwise noted, Ta=25°C, VCC=9V, and VM=9V)ParameterSymbolMin.ICC1ICC2ICC3VIH

Página 5

BA6283N / BA6955NMotor driver ICsV VVCCVIRVOFVORVIFVMFig.5VCE : Sum of the high and low side output transistor voltage.IO flows from High to Low Level

Página 6

BA6283N / BA6955NMotor driver ICs(6) Ground (GND, RNF)Attached the current detection resistors at the RNF terminal, the current flowing in the motor

Página 7

BA6283N / BA6955NMotor driver ICsBA6955NFig.7TSDCONTROL LOGICPOWERSAVELOGICCONTROL ICMVCC!!!!Operation notes(1) The quality of these products have bee

Página 8

BA6283N / BA6955NMotor driver ICs(5) Large current lineLarge currents are carried by the motor power supply and motor ground for these ICs. Therefore

Página 9

BA6283N / BA6955NMotor driver ICs!!!!Electrical characteristic curves0507525 100 125 15010005000POWER DISSIPATION : Pd (mw)AMBIENT TEMPERATURE : Ta