NXP Semiconductors AN10881, Примечание к применению

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AN1
0881
Al
l i
n
for
m
at
ion
pr
ovi
ded
in
this
do
cum
ent i
s
sub
jec
t to
leg
a
l d
is
c
la
im
er
s.
© NXP
B
.V
. 201
1.
Al
l r
ig
h
ts
r
e
s
e
rv
ed.
App
licat
ion
not
e
Rev
. 2 — 26 Sep
tem
ber 201
1
91 of
102
N
X
P Semi
conductor
s
AN10881
TEA17
13
re
sona
nt
p
o
we
r s
upply
c
ont
rol IC with
PFC
Fig 64. Example of a basic IC evaluation and test setup with a high bus voltage
001aal105
HALF BRIDGE PART
PFC PART
SUPPLY PART
MAINS RESET
UNDER-VOLTAGE
SENSING AND CLAMP
+1.12 V
+2.5 V
PFC driver
SupReg
Low-side driver
SupReg
PGND
error
amplifier
and clamp
TEA1713
MAINS
COMPENSATION
DEMAGNETIZING
SENSING
−
0.1 V
VALLEY
SENSING
SOFT START
CONTROL
+0.495 V +0.5 V
+2 V
+1 V
+2.63 V
OVER-CURRENT
SENSING
+3.0 V
SOFTSTART
RESET
+8.0 V
8 V
4.5 V
POLARITY
INVERSION
FEEDBACK
INPUT
7.6 V
OPEN LOOP
SENSING
+1.88 V
HIGH
FREQUENCY
SENSING
CONTROLLED
OSCILATOR
I-V
+
V-I
BOOST
OVER-VOLTAGE
SENSING
RESTART AND
PROTECTION
TIMER
OVER-
TEMPERATURE
SENSING
ENABLE SENSING
PFC/
HALF BRIDGE
1.0 V
+0.4 V
BURST SENSING
PFC/HBC
+3.5 V
OUTPUT
OVER-VOLTAGE
SENSING
+1 V
−
1 V
OVER-CURRENT
PROTECTION
SENSING
CAPACITIVE
MODE
SENSING
ADAPTIVE
NON-OVERLAP
SENSING
SWITCH
CONTROL
LEVEL
SHIFTER
+2.3 V
OUTPUT
UNDER-VOLTAGE
SENSING
+0.5 V
−
0.5 V
OVER-CURRENT
REGULATION
SENSING
+8.0 V
+3.0 V
+6.0 V
TWO SPEED
SOFTSTART SWEEP
AND CLAMP
BOOST
COMPENSATION
+11 V
6
SUPIC
12
SUPHV
9
SUPREG
24
SNSBOOST
+10.3 V
SERIES
STABILIZER AND
SUPREG SENSING
+22/17 V
+15 V
+20 V
SUPIC START
AND
UNDER-VOLTAGE
SENSING
SUPPLY
CONTROL
INTERNAL
SUPPLIES
HV START-UP
SELECTION
HV START-UP
SOURCE
+1.72 V
BOOST
UNDER-VOLTAGE
SENSING
+0.4 V
BOOST
SHORT
SENSING
ON-TIMER
OFF-TIME LIMIT
FREQUENCY LIMIT
PFC
CONTROL
FREQUENCY
CONTROL
High-side driver 14 SUPHS
SNSMAINS 2
COMPPFC 1
GATEPFC 7
SNSAUXPFC 3
SNSCURPFC 4
RCPROT
2.2
μ
F
110 k
Ω
120 k
Ω
10 k
Ω
1 k
Ω
10 k
Ω
10 k
Ω
47 k
Ω
33 k
Ω
100 k
Ω
47 nF
680 pF
1 nF
100 nF
100 nF
40 V 1N4937
600 V
100 nF
0
Ω
0
Ω
15 k
Ω
2 k
Ω
1
Ω
10
Ω
0.1 W
6NK60
1
Ω
/600 V
100 pF
600 V
optional
100 pF
10 nF
10 nF
220 nF
180 pF
4.3 V 10 V
BS170
4.7 k
Ω
100 k
Ω
10 nF
600 V
100 nF
600 V
3.3 mH
10 nF
600 V 100
μ
F
40 V
BS170
2N7000
BS170
1N4148
1N4148
1N4148
SupplyLv (33 V)
1N4148
25 V
3.3 mH
27 nF
2.7 nF
10 nF
15 k
Ω
18 k
Ω
82 k
Ω
1
μ
F
12 V
15 k
Ω
27 k
Ω
82 k
Ω
8.2 k
Ω
1
Ω
1.5
Ω
100 nF 18 k
Ω
68 k
Ω
23
13 GATEHS
15 HB
10 GATELS
8 PGND
CENTRAL
GROUND
GND
SupplyHv (400 V)
17 SNSCURHBC
5 SNSOUT
RestartNot
11 V: operating
0 V for > 150 ms: restart
21
19
CFMIN 20
RFMAX 22
SSHBC/EN
SupReg
OPERATION OK
18
SGND
SNSFB