TEA1713T Datasheet PDF - NXP Semiconductors

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TEA1713T
NXP Semiconductors

Part Number TEA1713T
Description Resonant power supply control IC
Page 30 Pages


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TEA1713T
Resonant power supply control IC with PFC
Rev. 2 — 9 February 2011
Product data sheet
1. General description
The TEA1713 integrates a Power Factor Corrector (PFC) controller and a controller for a
Half-Bridge resonant Converter (HBC) in a multi-chip IC. It provides the drive function for
the discrete MOSFET in an up-converter and for the two discrete power MOSFETs in a
resonant half-bridge configuration.
The efficient operation of the PFC is achieved by implementing functions such as
quasi-resonant operation at high power levels and quasi-resonant operation with valley
skipping at lower power levels. OverCurrent Protection (OCP), OverVoltage Protection
(OVP), and demagnetization sensing ensure safe operation under all conditions.
The HBC module is a is a high-voltage controller for a zero-voltage switching LLC
resonant converter. It contains a high-voltage level shift circuit and several protection
circuits including OCP, open-loop protection, capacitive mode protection and a general
purpose latched protection input.
The high-voltage chip is fabricated using a proprietary high-voltage Bipolar-CMOS-DMOS
power logic process that enables efficient direct start-up from the rectified universal mains
voltage. The low-voltage Silicon On Insulator (SOI) chip is used for accurate, high-speed
protection functions and control.
The topology of a PFC circuit and a resonant converter controlled by the TEA1713 is very
flexible, enabling it to be used in a broad range of applications with a wide mains voltage
range. Combining PFC and HBC controllers in a single IC makes the TEA1713 ideal for
controlling power supplies in LCD and plasma televisions.
Highly efficient and reliable power supplies providing over 100 W can be designed easily
using the TEA1713, with a minimum of external components.
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NXP Semiconductors
TEA1713T
Resonant power supply control IC with PFC
2. Features and benefits
2.1 General features
„ Integrated PFC and HBC controllers
„ Universal mains supply operation (70 V to 276 V (AC))
„ High level of integration resulting in a low external component count and a cost
effective design
„ Enable input (enable only PFC or both PFC and HBC controllers)
„ On-chip high-voltage start-up source
„ Stand-alone operation or IC supplied from external DC source
2.2 PFC controller features
„ Boundary mode operation with on-time control
„ Valley/zero voltage switching for minimum switching losses
„ Frequency limiting to reduce switching losses
„ Accurate boost voltage regulation
„ Burst mode switching with soft start and soft stop
2.3 HBC controller features
„ Integrated high-voltage level shifter
„ Adjustable minimum and maximum frequency
„ Maximum 500 kHz half-bridge switching frequency
„ Adaptive non-overlap time
„ Burst mode switching
2.4 Protection features
„ Safe restart mode for system fault conditions
„ General latched protection input for output overvoltage protection or external
temperature protection
„ Protection timer for time-out and restart
„ Overtemperature protection
„ Soft (re)start for both controllers
„ Undervoltage protection for mains (brownout), boost, IC supply and output voltage
„ Overcurrent regulation and protection for both controllers
„ Accurate overvoltage protection for boost voltage
„ Capacitive mode protection for HBC controller
3. Applications
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„ LCD television
„ Plasma television
„ Adapters
TEA1713T
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 9 February 2011
© NXP B.V. 2011. All rights reserved.
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TEA1713T
Resonant power supply control IC with PFC
4. Ordering information
Table 1. Ordering information
Type number
Package
Name
Description
TEA1713T
SO24
plastic small outline package; 24 leads; body width 7.5 mm
5. Block diagram
Version
SOT137-1
SNSBOOST SUPHV
SNSMAINS
2
+1.15 V
MAINS RESET,
UNDERVOLTAGE
SENSING
AND CLAMP
24
12
SUPIC
6
SUPREG
9
+10.9 V
+10.3 V
SERIES
STABILIZER AND
SUPREG SENSING
MAINS
COMPENSATION
ON-TIMER
OFF-TIME LIMIT
FREQUENCY LIMIT
1
COMPPFC
Error
amplifier
and clamp
+2.5 V
GATEPFC
PFC driver
SUPREG
7
PFC
CONTROL
SNSAUXPFC
PGND
3
0.1 V DEMAGNETIZING
SENSING
4
SNSCURPFC
VALLEY
SENSING
+0.45 V SOFT START
CONTROL
HV START-UP
SOURCE
SUPPLY
CONTROL
+20 V
HV START-UP
SELECTION
INTERNAL
SUPPLIES
+22/17 V
+15 V
SUPPLY MODULE
SUPIC
START AND
UNDERVOLTAGE
SENSING
+2.63 V
BOOST
OVERVOLTAGE
SENSING
+2.3 V
+1.6 V
BOOST
UNDERVOLTAGE
SENSING
PFC CONTROLLER
+0.4 V
BOOST SHORT
SENSING
LEVEL
SHIFTER
SWITCH
CONTROL
ADAPTIVE
NON-OVERLAP
SENSING
CAPACITIVE
MODE
SENSING
14
High-side driver
SUPHS
13
GATEHS
15
Low-side driver
SUPREG
10
HB
GATELS
8
PGND
BOOST
COMPENSATION
17
SNSCURHBC
+0.5 V
0.5 V
OVERCURRENT
REGULATION
SENSING
+1 V
1 V
OVERCURRENT
PROTECTION
SENSING
+2.3 V
OUTPUT
UNDERVOLTAGE
SENSING
+3.5 V
OUTPUT
OVERVOLTAGE
SENSING
5
SNSOUT
+1.0 V
+0.4 V
BURST
SENSING
PFC / HBC
+0.5 V
OVERCURRENT
SENSING
+3.0 V
SOFT START
RESET
23
RCPROT
PROTECTION
AND RESTART
TIMER
FREQUENCY
CONTROL
OVER-
TEMPERATURE
SENSING
+2 V
+1 V
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ENABLE
SENSING
PFC/HBC
18
SGND
+8.0 V
+5.6 V
+3.2 V
TWO SPEED
SOFT START
SWEEP
AND CLAMP
Fig 1. Block diagram of TEA1713
HBC CONTROLLER
7.7 V
OPEN-LOOP
SENSING
21
SNSFB
6.4 V
4.1 V
FEEDBACK
INPUT
+8.0 V
POLARITY
INVERSION
22
SSHBC/EN
+
I-V
V-I
CONTROLLED
OSCILLATOR
+1.83 V
HIGH
FREQUENCY
SENSING
19 20
CFMIN RFMAX
TEA1713
014aaa850
TEA1713T
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 9 February 2011
© NXP B.V. 2011. All rights reserved.
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6. Pinning information
6.1 Pinning
TEA1713T
Resonant power supply control IC with PFC
COMPPFC 1
SNSMAINS 2
SNSAUXPFC 3
SNSCURPFC 4
SNSOUT 5
SUPIC 6
GATEPFC 7
PGND 8
SUPREG 9
GATELS 10
n.c. 11
SUPHV 12
Fig 2. Pin configuration
TEA1713T
24 SNSBOOST
23 RCPROT
22 SSHBC/EN
21 SNSFB
20 RFMAX
19 CFMIN
18 SGND
17 SNSCURHBC
16 n.c.
15 HB
14 SUPHS
13 GATEHS
014aaa826
6.2 Pin description
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Table 2. Pin description
Symbol
Pin Description
COMPPFC 1
frequency compensation for PFC controller; externally connected to filter
SNSMAINS 2
sense input for mains voltage; externally connected to resistive divided
mains voltage
SNSAUXPFC 3
sense input for PFC demagnetization timing; externally connected to
auxiliary winding of PFC
SNSCURPFC 4
sense input for momentary current and soft start of the PFC controller;
externally connected to current sense resistor and soft start filter
SNSOUT
5 sense input for monitoring the output voltage of the HBC; externally
connected to the auxiliary winding; sense input for burst mode of HBC
controller or PFC and HBC controllers
SUPIC
6 low-voltage supply for SUPIC input; output of internal HV start-up source;
externally connected to auxiliary winding of HBC or to external DC supply
GATEPFC 7 gate driver output for PFC MOSFET
PGND
8 power ground; reference (ground) for HBC low-side and PFC driver
SUPREG
9 regulated SUPREG IC supply; output from internal regulator; input for
drivers; externally connected to SUPREG buffer capacitor
GATELS
10 gate driver output for low-side MOSFET of HBC
n.c. 11 not connected; high-voltage spacer.
SUPHV
12 high-voltage supply input for internal HV start-up source; externally
connected to boost voltage
GATEHS
13 gate driver output for high-side MOSFET of HBC
SUPHS
14 high-side driver supply input; externally connected to bootstrap capacitor
(CSUPHS)
TEA1713T
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 9 February 2011
© NXP B.V. 2011. All rights reserved.
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