Infineon TLI4970 Mounting instructions

How to
Ho
w
–
Q
Scope
:
The fol
l
sensors
Interf
a
The co
m
during
t
Ph
y
si
c
Serial
I
This ch
a
(SICI).
this, th
e
The tra
n
a bit. T
h
interfac
large b
o
Com
m
A micr
o
(startin
g
•
The ini
t
T". An
e
Program T
w
to
P
Q
uick
:
l
owing inst
r
can be pro
g
a
ce:
m
municatio
t
he progra
m
c
al La
y
er
I
nspectio
n
a
pter gives
This interf
a
e
OCD pin
i
n
smission i
s
h
ese bits fo
r
e bit-synch
r
o
undaries).
m
unication
o
controller
n
g
with MS
B
Send a sin
g
o0 is
o1 is
t
ial pulse le
n
e
xample o
f
LI4970 –
Q
P
rog
r
Instr
u
r
uctions de
s
g
rammed.
n with the
s
m
ming com
m
n
and Con
an overvie
w
a
ce is avail
a
i
s used.
s
based on
t
r
m a 16bit
c
r
onous (an
d
Timing
n
eeds to pe
r
B
).
g
le low/hig
h
sent as a s
h
sent as a l
o
n
gth (T1/T
2
f
a 1 bit tra
n
Q
uick Instru
r
am
T
u
ctio
n
s
cribe the s
e
s
ensor is pe
r
m
ands a vo
l
figuratio
n
w
about the
a
ble and fu
n
t
ransmittin
g
c
ommand
w
d
thus robu
s
r
form the f
o
h
PWM tra
n
h
ort low an
d
o
ng low an
d
2
) and the
o
smission c
a
u
ction Guid
e
T
LI49
n
Gu
i
e
quence of
c
r
formed by
l
tage of 20.
5
n
Interfac
e
Serial Ins
p
n
ctional in
p
g
a single b
i
w
ord, simil
a
s
t) and very
o
llowing st
e
n
smission,
w
d
long high
d
short high
o
verall peri
o
a
n be seen i
n
e
V1.1
70
i
de
c
ommands
the one wi
r
5
V has to b
e
(SICI)
ection and
C
p
arallel wit
h
i
t to the sen
s
r to the SP
I
flexible in
e
ps 16 time
s
w
ith at least
PWM puls
e
PWM puls
e
o
d T deter
m
n
below:
how the T
L
r
e SICI int
e
e
provided
a
C
onfigurati
h
the SPI in
t
s
or and im
m
interface.
T
timing (wi
t
s
to send/re
c
30/70 (or
7
e
(e.g. 2us
l
e
(e.g. 6us
l
m
ines the re
a
L
I4970 curr
e
rface. In A
d
at the CS p
i
i
on Interfac
t
erface mo
d
m
ediately r
e
T
his makes
t
hin some q
ceive 16 bi
t
7
0/30) duty
l
ow, 6us hi
g
l
ow, 2us hi
g
ad
-out time
Page 1
e
nt
d
dition,
i
n.
e
d
e. For
e
ceiving
the
u
ite
t
s
cycle:
g
h)
g
h)
"Delt
a
-

How to
•
s
•
I
t
•
I
By che
c
PWM t
r
a 0 or 1
The fig
u
oscillos
•
T
~
OCD Si
Å
Program T
Send a sho
r
s
end a bit)
I
f the sens
o
t
ransmitted
I
f the sens
o
c
king the o
u
r
ansmissio
n
is transmit
t
u
re below s
cope:
T
ypical bit
~
0.4 μs (gi
v
gnal [V]
Å
MSB …

‚
se
n
LI4970 –
Q
r
t low puls
e
o
r transmits
PWM (see
o
r transmits
u
tput after t
h
n
of a bit "
D
t
e
d
b
y the
s
hows a tra
n
transmissi
o
v
es ~285 k
B
...
‚
0' from
n
sor ƵC
Q
uick Instru
e
(marks th
e
a 1, it pull
s
figure abo
v
a 0, it does
h
e rea
d
-out
D
elt
a
-T", fo
r
ensor. See
b
n
smission t
h
o
n speed (P
W
B
it/s).
one
b
16 bit are requi

‚1' from
µCÆsensor

u
ction Guid
e
e
end of the
s
the output
v
e: 6us-2us
not pull th
e
time (dete
r
r
this case
4
b
elow a 1
b
h
rough the
O
W
M) is: ~0
b
it frame
red, starting with M
S

‚1' from
sensor ƵC
e
V1.1
transmitte
d
low for th
e
= 4 us)
e
output lo
w
r
mined by t
h
4
us), the m
i
b
it response
O
CD pin as
.4 μs / ~1.
6
…
S
B …

‚0' from
µC Æsen
s
d
PWM and
time diffe
r
w
h
e time giv
e
i
crocontroll
e
example fr
o
could be s
e
μs, check
a
…...
s
or
syncs the
s
r
ence given
e
n by the p
r
er can dete
r
r
om the TL
I
e
en using a
n
a
fter ~1.1μ
s
…
Page 2
s
ensor to
by the
r
evious
r
mine if
I
4970:
n
s
, wait
LSB Æ

How to
•
(
The slo
w
on the
S
Please
t
data. M
EEPR
O
Data
L
Seque
n
Algori
t
SICI in
AABF
h
R
efres
h
SICI in
8018
h
R
ead
E
Read E
E
Read c
o
Please i
pass fil
t
‘00000
0
Note:
W
Every a
(e.g. th
e
Cont
e
Bit:
Program T
Slowest bit
(
gives ~5 k
B
w
est mode
S
ICI interfa
c
t
ake ca
r
e to
inimum w
a
O
M): 25μs (
E
L
ink La
ye
n
ce of Co
m
t
hm
f
reez
e
SICI ou
t
don’t ca
r
h
EEPRO
M
SICI ou
t
don’t ca
r
E
EPROM
R
E
PROM re
g
o
mmand:
i
nsert for “r
e
t
er cut-off
fr
0
’. Therewi
t
W
ith the 1st
r
a
nswer is d
e
e
same com
m
15
1
1
e
nt:
LI4970 –
Q
transmissi
o
B
it/s).
may be use
c
e.
wait betwe
a
it time bet
w
E
EPROM
c
e
r
m
mands:
e
t
Com
m
r
e Algor
i
M
t
Com
m
r
e EEPR
O
R
egister (
o
g
ister requi
r
e
gister add
r
fr
equency, r
e
t
h, the actu
a
r
ead comm
a
e
layed by o
n
m
and agai
n

1
413
1
0 r
Q
uick Instru
o
n (PWM)
i
ful in disto
r
en SICI fra
m
w
een cycles
c
ommands
m
m
and
i
thm freeze
m
and
O
M refres
h
o
ptional)
r
ed to defi
n
r
ess” the re
g
e
ad EEPR
O
a
l content
w
a
nd, the re
s
n
e comman
d
n
), or the n
e
1
211 1
0
egister ad
d
u
ction Guid
e
i
s: ~60 μs /
r
ted enviro
n
mes to allo
w
for read/w
r
m
ay take lo
Note
Necess
a
get in c
o
EEPRO
M
Note
h
To be s
u
applied
n
e, if any c
h
g
ister you l
i
O
M register
w
ill be read
s
ponse will
d
(n-1). Eit
h
e
xt register
0
9 8
d
ress
e
V1.1
~90 μs, ch
e
n
ments and
/
w
the sens
o
r
ite and tes
t
nge
r
).
a
ry; stops a
n
o
nflict whil
e
M
u
re the corr
e
anges are
n
i
ke to read
o
0x00. Her
e
out.
not have th
h
er, a dum
m
can be add
r
7 6
0 0
e
ck after ~2
/
or with hig
or
to decode
t
command
s
n
y other act
i
e
program
m
e
ct EEPRO
M
ecessary.
o
ut. E.g. fo
r
e
, bit [13:8]
e
content o
f
m
y comman
d
r
essed to r
e
5 4
0 0
9 μs, wait
~
g
h (capaciti
v
e
and proce
s
s
(except
i
vities not t
o
m
ing the
M
content
i
r
changing
t
has to set t
f
this regist
e
d
has to be
e
ad out.
3 2
0 0
Page 3
~
21 μs
v
e) loads
s
s the
o
i
s
t
he low
o
e
r.
s
end
1 0
0 0

How to
Write
E
Define
t
Send th
Again,
t
register
The ne
x
of the l
o
Provi
d
Now, t
h
Attenti
o
implem
e
1
st
Pro
The ne
x
Theref
o
Bit [10:
adequa
t
Note:
K
Note:
O
set to “
l
R
efres
h
SICI in
8018
h
Write
E
With th
content
,
Theref
o
Cont
e
Bit:
Cont
e
Bit:
Cont
e
Bit:
Cont
e
Bit:
Program T
E
EPROM
R
t
he new co
n
e write co
m
t
he “registe
0x00.
x
t comman
d
o
w pass filt
e
d
e Progra
m
h
e CS pin (
p
o
n: If the se
n
e
nted to pr
o
grammin
g
x
t step will
p
o
re, followi
n
8] influenc
e
t
e one.
K
eep the pr
o
O
bserve the
D
l
ow” when
h
EEPRO
M
SICI ou
t
don’t ca
r
E
EPROM
R
e first com
m
,
the regist
e
o
re, send th
e
15
1
1
e
nt:
15
1
0
e
nt:
15
1
1
e
nt:
15
1
1
e
nt:
LI4970 –
Q
R
egister
n
tent of the
m
mand:
r address”
h
d
must be t
h
er
(EEPRO
M
m
ming Vo
l
p
in 5) must
n
so
r
is alre
a
o
tect the co
n
g
Comman
p
rogram al
l
n
g comma
n
e
the time
o
o
gramming
D
IO pin: I
t
the progra
m
M
t
Com
m
r
e EEPR
O
R
egister
a
m
and, just t
e
r has to be
w
e
write co
m
1
413
1
0 r
1
413
1
0 0
0
1
413
1
0 0
0
1
413
1
0 r
Q
uick Instru
register.
h
as to set t
h
h
e data cont
e
M
register
0
l
tage
be provide
d
a
dy mount
e
n
troller for
d
l
changes
w
d has to se
n
o
f the inter
n
v
oltage lev
e
t
will be on
m
ming is fi
n
m
and
O
M refres
h
a
gain
h
e ‘0’ valu
e
w
ritten aga
i
m
an
d
agai
n
1
211 1
0
egister ad
d
1
211 1
0
0
0 1
1
211 1
0
0
0 1
1
211 1
0
egister ad
d
u
ction Guid
e
h
e right add
r
ent of this
r
0
x00 influe
n
d
with the
2
e
d on PCB,
any overv
o
w
here the co
n
n
d:
n
al program
m
e
l at pin C
S
“high” du
r
n
alized. Aft
e
Note
h
To be s
u
applied
e
has been
p
i
n with the
n
:
0
9 8
d
ress
0
9 8
0 0
0
9 8
0 0
0
9 8
d
ress
e
V1.1
r
ess, e.g. ‘0
0
r
egister, e.g
n
ce the cut
-
2
0.5 V prog
r
make sure
y
o
ltage level
s
n
tent has a
f
m
ing pulse
;
S
!
r
ing the pro
g
e
rwards fu
r
u
re the corr
e
p
rogramme
d
final data.
7 6
0 0
7 6
0 1
7 6
0 0
7 6
0 0
0
0000’ to a
.
for 18kH
z
-
off freque
n
r
amming v
o
y
ou have a
d
s
!
f
terwards t
h
;
typ. this s
e
g
ramming
(
r
ther comm
a
e
ct EEPRO
M
d
. To progr
a
5 4
0 0
5 4
0 0
5 4
0 1
5 4
0 0
a
ddress EE
P
z
cut-off fre
q
n
cy):
o
ltage.
d
ditional h
a
h
e value ‘0’
.
e
tting is an
(
busy) and
w
a
nds can b
e
M
content
i
am also th
e
3 2
0 0
3 2
0 0
3 2
1 0
3 2
0 0
Page 4
P
ROM
q
uency
a
rdware
.
w
ill be
e
set.
i
s
‘1’
1 0
0 1
1 0
1 1
1 0
1 0
1 0
0 1

How to
Afterw
a
modify
2
nd
Pr
o
The sec
Follow
i
Note:
O
set to “
l
Turn o
f
Now, t
h
turned
o
Verify
The pr
o
After e
v
are rep
e
strongl
y
cannot
b
register
Bits [1
4
low, th
e
every p
r
comma
n
even m
a
Reset
To be s
u
Best w
a
Howev
e
(7FFF
h
)
Cont
e
Bit:
Cont
e
Bit:
Cont
e
Bit:
Cont
e
Bit:
Program T
a
rds, the ne
x
the low pa
s
o
grammin
g
c
ond progra
m
i
ng comma
n
O
bserve the
D
l
ow” when
f
f the Pro
g
h
e program
m
o
ff.
Program
m
o
gramming
o
v
ery pulse t
h
e
ated as lon
g
y
recomme
n
b
e guarante
29
h
.
4
:8] of the r
e
e
length of
a
r
ogrammin
g
n
d descript
i
a
ximum of
u
re the sen
s
a
y to do thi
s
e
r, also a s
o
)
:
15
1
0
e
nt:
15
1
1
e
nt:
15
1
1
e
nt:
15
1
0
e
nt:
LI4970 –
Q
x
t comman
d
s
s filter cut
-
g
Comma
n
m
ming co
m
n
d has to se
n
D
IO pin: I
t
the progra
m
g
rammin
g
m
ing proce
s
m
ing Qual
o
f the EEP
R
h
e sensor c
h
g
as the ma
r
n
ded to avo
i
ed). The n
o
e
sponse gi
v
a
program
m
g
comman
d
i
on above,
e
127, the va
l
s
or is worki
n
s
is the po
w
o
ftware rese
1
413
1
0 0
0
1
413
1
0 0
0
1
413
1
0 1
0
1
413
1
1 1
1
Q
uick Instru
d
with the
c
-
off freque
n
n
d
m
mand will
n
d:
t
will be on
m
ming is fi
n
g
Voltage
s
s itself is f
i
ity
R
OM is ba
s
h
ecks auto
m
r
gin level i
s
i
d the maxi
m
o
. of neede
d
v
e the no. o
f
m
ing pulse s
h
d
(bits have
e
xample is
g
l
ue shall be
n
g proper
a
e
r
-down o
ff
t
is possibl
e
1
211 1
0
0
0 1
1
211 1
0
0
0 1
1
211 1
0
0
1 0
1
211 1
0
1
1 1
u
ction Guid
e
c
orrect cont
e
n
cy:
write all ‘1
“high” du
r
n
alized. Aft
e
i
nalized. T
h
s
ed on an it
e
m
atically th
e
s
correct. T
h
m
um no. o
f
d
iterations
c
f
needed pr
o
h
all be dec
r
gray backg
r
g
iven for t
h
increased.
a
gain after
p
f
f VDD.
e
. Therefor
e
0
9 8
0 0
0
9 8
0 0
0
9 8
10
0
9 8
1 1
e
V1.1
e
nt has to b
’.
r
ing the pro
g
e
rwards fu
r
h
e 20.5 V p
r
e
ration pro
c
e
margin le
v
h
e maximu
m
f
pulse itera
c
an be find
o
gramming
r
eased by d
e
r
ound in th
e
h
e value 4
b
)
.
p
rogrammi
n
e
, please se
n
7 6
0 1
7 6
0 0
7 6
0 0
7 6
1 1
e sent. E.g.
g
ramming
(
r
ther comm
a
r
ogrammin
g
c
ess of pro
g
v
el and if n
m
no. of pu
l
t
ions (a su
ff
out
b
y read
pulses. In
c
e
creasing t
h
e
1
st
& 2
nd
p
In case th
e
n
g; a reset h
a
n
d followin
g
5 4
0 0
5 4
0 1
5 4
0 0
5 4
1 1
like follo
w
(
busy) and
w
a
nds can b
e
g
voltage h
a
g
ramming p
u
n
ecessa
r
y th
u
lses is 127.
f
ficient mar
g
d
ing the co
n
c
ase this no
h
e value [1
0
p
rogrammi
n
e
no. is ver
y
as to be pe
r
g comman
d
3 2
0 0
3 2
1 0
3 2
0 0
3 2
1 1
Page 5
w
ing to
w
ill be
e
set.
a
s to be
u
lses.
e
pulses
It is
g
in level
n
tent of
. is very
0
:8] of
n
g
y
high or
r
formed.
d
1 0
1 1
1 0
1 1
1 0
0 0
1 0
1 1

How to
Edition
2
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e
Infineon
81726 M
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n
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r
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e
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u
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t
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e
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T
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g
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e
types in
q
Infineon
T
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p
cause th
e
system.
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