Sanyo LB1673M Specifications
Ordering number:EN3473
Monolithic Digital IC
LB1673M
3-Phase Brushless, Sensorless Motor Driver
Applications
Rotational control of brushless motors for use in audio
applications such as headphone stereos, micro-cassette
recorders, mini-cassette recorders.
Function and Features
• Brushless, sonsorless motor drive (3-phase half-wave
drive).
• Bidirectional motor drive.
• On-chip speed control function (V servo type).
• On-chip reference votlage.
• On-chip one comparator (PNP input, NPN open
collector output).
Specifications
Absolute Maximum Ratings at Ta = 25˚C
retemaraPlobmySsnoitidnoCsgnitaRtinU
egatlovylppusmumixaMV
egaltovnwodkaerBrotsisnarTtuptuOV
tnerructuptuOI
noitpaissidrewopelbawollAxamdP 85.0W
erutarepmetgnitarepOrpoT 08+ot0
erutarepmetegarotSgtsT 521+ot04–
Allowable Operating Conditions at Ta = 25˚C
retemaraPlobmySsnoitidnoCsgnitaRtinU
egatlovylppuSV
xam 5V
CC
xam 01V
SUS
M
CC
Package Dimensions
unit:mm
3112-MFP24S
[LB1673M]
SANYO : MFP24S
1A
˚C
˚C
5.3ot0.1V
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquaters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
83198HA (KT)/5280TA No.3473-1/4
Electrical Characteristics at Ta = 25˚C
retemaraPlobmySsnoitidnoC
1tnerrucylppuSI
2tnerrucylppuSI
egaltovecnerefeRferV94.025.055.0V
egatlovecnereferfocitsiretcarahcegatloVV
egatlovecnereferfocirsiretcarahcdaoL Aµ06–ot0=ferI30.0–
ycaruccanoitcetedlangisdeepSpsVVNIVm005=531541551Vm
rorrenoitalerroclangisdeepS 5–5%
langisdeepsfocitsiretcarahcegatloVV
ycaruccanoitcetedtnerruCV
oitarnoitcetedtnerruCK
tnerructuo-wolfCSOniPI
htdiweslupgnitratST
tnerrucni-llupMOCV
egaltovnoitarutastuptuOtasVVCCI,V1=
egatlovlevel-hgihtupnicigoLV
egaltovlevel-woltupnicigoLV
egaltovtesfforotarapmoCV
tnerructuptuorotarapmoCI
Vref/∆V
∆Vref
∆Vref
egatlovecnereferfocitsiretcarahcerutarepmeT 0
Vref
∆Vsp
Vsp
∆Vsp
langisdeepsfocitsiretcarahcerutarepmeT 0
Vsp
LB1673M
sgnitaR
nimpytxam
)L(wolnipTRATS001Am
CC
)H(hgihnipTRATS8.401Aµ
CC
∆Vref
∆Iref
/∆Ta
/∆V
H
L
/∆Ta
IR
I
CSO
CSO
MOC
FFO
FFO
CC
CC
Θ VtrohS
CC
Ta=0 to +80˚C
CC
Ta=0 to +60˚C
V
1NI
V
2NI
C
S
V
CC
V5.3ot1=3.00.1
V5.3ot1=2.00.1
V,V3.0=
V1=055608Vm
2NI
V3.1ot1=41.071.052.0
V4.0siCSOnipsaderusaeM6.28.30.5Aµ
Fµ74.0=06sm
CC
MOChtiw020304Aµ
A2.0=90.052.0V
m
V=1TUO,V1=
CC
9.0V
01–01+Vm
001Aµ
tinU
V/%
Aµ/Vm
%/˚C
V/%
%/˚C
3.0V
Equivalent Circuit Block Diagram
No.3473-2/4
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