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Número de pieza
componentes Descripción
HIP4020(1997) Ver la hoja de datos (PDF) - Intersil
Número de pieza
componentes Descripción
Fabricante
HIP4020
(Rev.:1997)
Half Amp Full Bridge Power Driver for Small 3V, 5V and 12V DC Motors
Intersil
HIP4020 Datasheet PDF : 8 Pages
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8
HIP4020
V+
V
DD
BRAKE
ON
OFF
DIRECTION
ENABLE
B1
B2
ENB
A1
A2
ENA
CONTROL
LOGIC B
CONTROL
LOGIC A
Q1
D1
D2
Q2
Q3
D3
D4
Q4
V
SS
V
SSA
OUTA
OUTB
V
SSB
ILF
(LOGIC
LOAD
GROUND)
V-
FIGURE 1. TYPICAL MOTOR CONTROL APPLICATION CIRCUIT SHOWING DIRECTIONAL AND BRAKING CONTROL
TRUTH TABLE
SWITCH DRIVER A
SWITCH DRIVER B
INPUTS
OUTPUT
INPUTS
OUTPUT
A1 A2 ENA
OUTA
B1 B2 ENB
OUTB
HL H
OH
LL H
OH
LL H
OL
HL H
OL
HH H
OL
LH H
OL
LH H
OL
HH H
OL
XX L
Z
XX L
Z
L = Low logic level; H = High logic level
Z = High Impedance (off state)
OH = Output High (sourcing current to the output terminal)
OL = Output Low (sinking current from the output terminal)
X = Don’t Care
FIGURE 2.
V
EN
V
OUT
50%
t
PLH
10%
t
r
90%
50%
V
EN
V
OUT
50%
t
PHL
10%
t
f
50%
90%
SWITCHING WAVEFORMS
4
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