AN10907
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© NXP B.V. 2010. All rights reserved.
Application note
Rev. 1 — 28 December 2010
10 of 82
NXP Semiconductors
AN10907
TEA1613T resonant power supply control IC
5. Block
diagram
Fig 2.
TEA1613T with application block diagram (part 1)
coa074
120
μ
A
5.6 V
2.2 V
Enableplc
3.2 V
3.2 V
8.0 V
ClampEndSoftStart
SenseFbSS
40
μ
A
120
μ
A
40
μ
A
1360
μ
A
440
μ
A
5
μ
A
42
μ
A
FREQUENCY
CONTROL
HBC
3 A
5.8 V
SUPHV
SNSBOOST
BoostUv
SPIKE FILTER
SSHBC/EN
Disable supply
Enable supply
0 V to >2 V
Boost
SUPREG
3.0 V
8.4 V
SuplcChargeLow = 1.1 mA
SuplcCharge = 5.1 mA
HV START-UP SOURCE
CONTROL
10.9 V
5.5 mA
SUPIC
SuplcShort
LatchReset
0.65 V
7 V
1.6 V
50 mV
SupReg
EnableSupReg
reduced
current
startlevel Hv = 22 V
startlevel Lv = 17 V
stoplevel = 15 V
SupRegUvStart
startlevel = 10.7 V
SupRegUvStop
stoplevel = 10.3 V
SupHvPresent
CSUPREG
Protection
HBC softstart reset
0
Vfmax(SSHBC)
VSSHBC/EN
Vfmin(SSHBC)
0
fmin
fHB
fmax
t
off
on
fmax
forced
fast
sweep
slow sweep
regulation
regulation
Vss(hf-lf)(SSHBC)
014aaa864
0
I
SNSFB
V
open
= 8.4 V
0.66 mA
I
fmin
V
RFMAX
2.2 mA
I
fmax
0
0
V
SSHBC
= 8 V
260
μ
A
I
OLP
V
OLP
= 7.7 V
V
fmin
= 6.4 V
V
fmax
= 4.1 V
V
clamp,fmax
= 3.2 V
V
SNSFB
8 mA
I
clamp,max
2.5 V
typ
= V
fmax
1.5 V
typ = 0.6
×
V
fmax
001aal040
passed
0
0
none
present
short
error
long
error
PROTECTION TIMER
repetative
error
V
high(RCPROT)
I
slow(RCPROT)
I
RCPROT
Error
V
RCPROT
t
Protection time
001aal063
62 k
Ω
1 nF
9.8 M
Ω
C
D
B
A
