Rainbow-electronics BA6955N Manual do Utilizador Página 1

Consulte online ou descarregue Manual do Utilizador para Software Rainbow-electronics BA6955N. Rainbow Electronics BA6955N User Manual Manual do Utilizador

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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
V
CC
18 V
Power dissipation Pd
BA6283N
BA6955N
1150
1
1080
2
mW
Operating temperature Topr
20~+75
°C
Output current
I
OUT
1000
3
mA
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
V
CC
5.5 15 V
V
M
5.5 15 V
Symbol Min. Typ. Max. Unit
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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

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