P1/5
HIGH-VOLTAGE MONOLITHIC IC
ECN3053F
ECN3053 is a single chip driver IC which has 6 MOS-Gated devices for its output.
It is suitable for controlling 3-phase DC brushless motors and 3-phase induction motors.
Functions
Lower arm Over current (OC) Protection
Under voltage Protection
Fault Output function
Features
It can be controlled by PWM with 6 inputs
from an external microprocessor.
6 logic inputs are compatible with 5V CMOS
and LSTTL outputs.
Package
SOP-28
Block Diagram
Db
Db
Db
Cb
Cb
Cb
VCW
PGW
W VCV
PGV
V
VC U
W -p h ase
u p p er
d river
VCC
CB
V -p h ase
u p p er
d river
U -p h ase
u p p er d river
Lev e l
S hifte r
U V p ro te c tio n
Lo gic
o utp ut
PGU
U
NGU
U -p has e O utp ut
VCC
C0
VB
S up p ly
NGV
In p u t B u ffer
V -p has e O utp ut
NGW
W -p has e O utp ut
GL1
F AU L T
OC R1
O C p r o tec tio n
U V pro te c tio n
O p-Am p
C1
GL2
Rs
S W T S W B S VT S VB S U T S U B
F
Rf
Inp ut
Vcc
A-
AO
PDE-3053-1
HITACHI [ HITACHI SEMICONDUCTOR ]
