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Advence Information
7*59bXDC
*–5”2>bn-5
MC33034
II
I1
E>B?E
‘;uts::Fyak..
Fwd/Rev 322 NC.
{
SA~~AB
SenaOr
:}
Bottom
Inputs SB~20 BB Drive
Sc ~Outputs
lg cB
Output Enable 718 Vc
Reference
output ~fl Vcc
Current
Sense Input ~16 Drive Gnd
Oscillator 10 15 Gnd
Error Amp NOn-~
Inverting Input 14 Fault Output
Error Amp ~,3 Error Amp Out/
Inverting Input —PWM Input
(TOPView)
Senspr
lf.y+ —.; Electrical %$n@%
Phashing
MC33034P60 60”130~ 7“?X?Y9DIP
MC33034P 120 120°/24V 7“?x?Y9DIP
f%~;~~$~~ =–40”C~+ 85°C
1,--— ————_,
Ji
–J
MOTORO~ 2
3MOTOROU
MOTOROU 4
100
R
~
g
,..
@10
~
w
8
-0
1.0
1.OK 10K 100K 1,OM
4.0 I
Vcc = 20v
VC=20V
2.0 RT=4.7k _
\CT = 10nF
o
– 2.0
– 4.0
– 55 – 25 025 :.s,’’’$$0 75 100 125
=60
,\ o
IK. .
‘; II
Sourc Iv;”= 20v i
8 40
‘b
A
: 20
,\
(Load to Vrefl _
oGndi
o1.0 2.0 3.0 4.0
10,OUTPUT LOAD CURRENT (mA)
5ws/DIV
.,,,
5MOTOROU
s
&_8,0
#\
R–18
i
~ -24 \
~
2
2– 32_vcc=20v
VC=20V
— TA = 25°C
– 40. I
o10 20 30 40
I,ef, y– XS;Y (mAl
0.30 I
_vcc=20v
VC=20V
– TA = 25°C
~
M 020
~
3
R
aG 0,10
>E
/ “
o/
o4,0 8.0 12 16
ISink, >>9 ajfi (mA)
MOTOROU 6
,--
VC=20V
TA =2YC
o0 10 20 30 40
20, I I I I I I I [5,0
II III I I
o00
10 20 30 40
7MOTOROU
9MOTOROM
VIN
r---- --
+---- ---- —--— ---— ---— -——— -- —-— _
l:: I
~1 10KI14 {
SA ,l=
SensOt 5 10 KIOutput
1“.”!% -
rorwa, o,
❑...,.. 0,YInl 11111
..-...-. 1
v~~ 17 ‘
1t
Undervoltage
o
I:’ I
Vc 18 I
I I
1,AI
It +
Output Enable ,+4.5 v~Q
fl~! 40”A@
h–.
Non.lnverlong
I
Input 111 Erro, Amp
-. d
TPWM:’J
I1—.I1a
Error Amp 0“! I
PWM 1“.ut , I Latch
.H
.— 1
IIs
I0,.,.,
Latch :.)):
1
II
L--------------!*’--$ ----4----
I
I
11
,BT
I
I
I24
BOflOm
Drive
outputs
MOTOROU 10
Inputs (Note 1)
Sensor Electrical
E
Phs
MC33034P60
60”
SA SB SC
100
110
111
011
001
000
100
110
111
011
001
k
101
010
xxx
Vvv
xxx
xxx
Notes:
m
001 1 1 00
101 1100
100
110
010
011
0 0 1
101
0100
0100
010 0
0100
0100
010 0
Oooxx ox
111X xox
xxx xo 0 x
Vvv x1 1 0
xxx xx 11
xxXIX xo‘1
Ou
Top
Drives
AT BT CT
011
101
101
110
110
011
110
110
011
011
101
101
111
111
111
111
outs (Note 2) I
T
&,- 00 01 0 I
I
.
———__—_____ ___ _>
=170 v
“,.-----=~
,“ T.“ T
❑28 MOSFET DRIVE PRECAUTIONS
1
II1ADSENSEFET
fir 1111 I I Power Ground:
I
I91 1 To Input Source
Ret”r” and
IDrive G,ou”d
ILIMIT ~IRS Pi” 16
Jl/4w
----- - Rs. Ipk. rDs(On)
v~” ~ =
-rDM(on) +RS
COnlrOl Circuitry Gro””d:
To Rn15 If: sENSEFET =MTP1ONIOM
Rs =200
Then: VDi” g=0.75 lp~
❑30 CURRENT SENSING POWER MOSFETS
MOTOROU 14
❑34 DIGITAL SPEED CONTROLLER
R3 >> R5 IIR6
R2
R5
R3 =
R6
1
=II
15 MOTOROU
Sensor Inputs
MC33034P60
Sensor Inputs
MC33034P120
Top Drive
outputs
Bottom Drive
outputs
Rotor Electrical Position (Degrees)
o60 120 180 240 300 360 420 480 540
I!IIIIII
(SA II II II
I
600 660 720
I{IIII1II I III
[
AT
BT
CT
‘1 I
-;
IIIIIIIIIIII
v
IIll
.+
!
IIIIIIIIIIIIII
RWuced S~( 50% PWM) ~1
.-
!120”
n
300”
~
.J’’B<~r”Eletirical Phasing [Degreas)
001 011 011 Ool
000 001 010 011
———___
[+:! !
,[-:-M-
c33034E*
S4
From Sensors
120° or 240” ~B 5Pos —
Electrical
Phasing DEC —
Sc 6
I
19 MOTOROW
,,;
,.,:...,,,~
..-,
I
III
‘L–_– __
I
I
119
IK
/7
Q5
I
,q i
II1—I
I
1111LII
1If
.
L— _____ _______ ____ .____=J=
15 Y
16 23 ~~
t
Brake
=_
,.,
,. MOTOROd 20
Is~
Sensor Inputs SB
MC33034P60
Code
Top Drive
outputs 1CT
Bottom Drive (BB
outputs
1CB
Conducting
Power Switch
Transistors
Motor
Drive Current .
A
B
o90 180 270 360 450 540 630 720
II I I I I I I fy,
I
JI
II1 1
II I I I1I
+
DO —
‘1 \II\I I
III
L‘+—’ ‘‘4
Full Speed (No PWM) Reduced Speed (: 500/. PWM)
FWD/REV =1
21 MOTOROU
,..
23 MOTOROW