tea1750t-n1 NXP Semiconductors, tea1750t-n1 Datasheet - Page 3

• Manufacturer Part Number: tea1750t-n1
• Description: Tea1750 Greenchip Iii Smps Control Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
5. Block diagram
TEA1750_1
Product data sheet
Fig 1. Block diagram
PFCSENSE
VINSENSE
PFCCOMP
VOSENSE
PFCAUX
9
7
6
11
8
2.50 V
60 A
1.12 V
500 mV
OCP
VoBURST HIGH
VoSTART FB
VoSHORT
SOFT START
VoBURST LOW
SOFT STOP
VoOVP
LOW VIN
LATCH
RESET
DETECT
2.7 V
VALLEY
BLANK
3.5 V
100 mV
TIMER 50 s
TIMER 4 s
LOWVIN
PFCGATE
START STOP PFC
VoBURST LOW
VoBURST HIGH
PFC DRIVER
ENABLE PFC
PFC DRIVER
3.7 V
PFC GATE
1.25 V
MAX
PFC
PROT
ZCS
PROT
PFC
ENABLE
PFC
LATCH RESET
PROT
LOW POWER
VoSTART FB
VCC GOOD
PFCDRIVER
Rev. 01 — 6 April 2007
EXT PROT
EXT PROT
EXT PROT
VoSHORT
TON MAX
TIMEOUT
CHANGE
V START
V UVLO
V UVLO
OSC
PFC
OvpFB
PROT
OTP
12
OTP
DRV
16
R
S
HV
S
S
S
R
S
S
S
R
Q
PROTECTION
PROTECTION
CONTROL
CONTROL
CHARGE
LATCHED
RESTART
SMPS
SAFE
V
CC
DETECT
VALLEY
FBDRIVER
1
TON MAX
Q
13
DRV
R
S
STARTFB
START STOP
PFC
V
CHARGE
INTERNAL
SUPPLY
V
V
CC
START
UVLO
FB DRIVER
FB GATE
GOOD
OSC
PFC
PROT
ENABLEFB
TEMP
PROT
OvpFB
DRIVER
ENABLE
START
OTP
EXT PROT
GreenChip III SMPS control IC
POWER
FB
FB
FREQ
FB
TIME
RED.
LOW
OUT
ZCS
COUNTER
START
BLANK
SOFT
GND
2
2.5 V
FB GATE
80 A
1.25 V
OVP
60 A
3.5 V
TEA1750
80 mV
© NXP B.V. 2007. All rights reserved.
30 A
10
5
3
4
LATCH
FBCTRL
FBSENSE
FBAUX
014aaa055
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