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RZ7888 반도체 회로 부품 판매점

2A Single-CH DC Motor Driver Circuit



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Wuxi Microelectronics
RZ7888 데이터시트, 핀배열, 회로
2A Single-CH DC Motor Driver Circuit
RZ7888
Description
RZ7888 is a monolithic IC designed for driving bi-directional DC motor, It has
two pins of logic inputs for controlling the direction, forward and backward. It has a
2A current drive capability, and a low output saturation pressure drop and quiescent
current; built-in clamp diode to reverse the impact of the release of inductive load
current, Making it in the drive relays, DC motors, stepper motors or control the use of
switching power safe and reliable. RZ7888 motor drive for toy vehicles,
remote-controlled aircraft motor drive, automatic valve motor, electromagnetic lock
drive, precision instruments and other circuits.
Features
z Low stand-by current. 2uA
z Wide supply voltage range 3.0V~11.0V..
z Built-in Brake Function
z Thermal Shutdown protection
z Short Circuit Protect Function
z Over Current Limit Function
z SOP8 Pb-Free package.
Pin Function
Pin NO
1
2
3
4
5, 6
7, 8
Name
Bi
Fi
Gnd
Vcc
Fo
Bo
Function
Backward input
Power supply
Ground
Vcc
Forward output
Backward output
Input Truth Table
2pin Finput
H
L
H
L
1pin Binput
L
H
H
L
5,6pin Foutput
H
L
L
Open
7,8pin Boutput
L
H
L
Open
2011.7
Tel. 0510-85898501 18061979821 Fax. 0510-85898500


RZ7888 데이터시트, 핀배열, 회로
2A Single-CH DC Motor Driver Circuit
Absolute Maximum Rating
Parameter
Symbol
Maximum supply voltage
Peak output current
Operating Temperature
Storage temperature
Vcc(max)
Iout(peak)
Top
Tstg
Rating
12
4.2
-25~+85
-55~+150
RZ7888
Unit
V
A
Electrical Characteristics(Vcc=6V,Ta=25 ,unless otherwise specified)
Parameter
Operating oltage
stand-by current
Symbol
VOPR
Is
Condition
Vcc = 9V Vi = 0
Min Typ Max Unit
3.0 -- 11 V
2 uA
No-load oprating
current
High Output
Voltage
Low Output
Voltage
High input Voltage
Icc
VHOUT
VLOUT
ViH
Vcc = 6V V1 = 2 4 7
3V
Vcc = 6V Io =2A 5.5 5.7 5.9
Vcc = 6V Io = 2A 0.05 0.15 0.3
2.2 3.5 6
mA
V
V
V
Low input Voltage ViL
0.5 0.7 V
Input current
Ii
Vcc = 6V Vi = 3V
100 150 uA
Continuous output Iout
current
Thermal shutdown Totp
temperature
Around of the no.5,
no.6, & no.7,no.8
pins needs copper
to auxiliary heat
dissipation
2 4A
130
2011.7
Tel. 0510-85898501 18061979821 Fax. 0510-85898500




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RZ7888 driver

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