TEA1716T Datasheet PDF - NXP Semiconductors
Part Number | TEA1716T | |
Description | Resonant power supply control IC | |
Manufacturers | NXP Semiconductors | |
Logo | ||
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Resonant power supply control IC with PFC
Rev. 3 — 30 November 2012
Product data sheet
1. General description
The TEA1716T 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.
Efficient PFC operation is achieved by implementing functions for Quasi-Resonant (QR)
operation at high-power levels and QR 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 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 enabling 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.
TEA1716T controlled PFC circuit and resonant converter are very flexible. It can be used
for a broad range of applications over a wide mains voltage range. Combining PFC and
HBC controllers in a single IC makes the TEA1716T ideal for controlling power supplies in
LCD and plasma televisions.
Using the TEA1716T highly efficient and reliable power supplies providing from 90 W to
500 W can be designed easily using the TEA1716T, with a minimum of external
components.
The integrated Burst mode and power management functionality of TEA1716T enable
resonant applications that meet the Energy Using Product Directive (EuP) lot 6
(< 0.5 W in Standby mode).
Remark: Unless otherwise stated, all values are typical.
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NXP Semiconductors
6. Pinning information
6.1 Pinning
TEA1716T
Resonant power supply control IC with PFC
&2033)&
6160$,16
616$8;3)&
616&853)&
616287
683,&
*$7(3)&
3*1'
6835(*
*$7(/6
QF
683+9
Fig 2. TEA1716T pin configuration
616%2267
5&3527
66+%&(1
616)%
616%8567
&)0,1
,&
6*1'
616&85+%&
QF
+%
683+6
*$7(+6
DDD
6.2 Pin description
Table 2. Pin description
Symbol
Pin Description
COMPPFC 1
PFC controller frequency compensation; externally connected to filter
SNSMAINS 2
mains voltage sense input; externally connected to resistive divided mains
voltage
SNSAUXPFC 3
PFC demagnetization timing sense input; externally connected to auxiliary
winding of PFC
SNSCURPFC 4
PFC controller sense input for momentary current and soft-start; externally
connected to current sense resistor and soft-start filter
SNSOUT
5 sense input for monitoring the HBC output voltage; externally connected to
the auxiliary winding
SUPIC
6 SUPIC input low-voltage and output of internal HV start-up source;
externally connected to auxiliary winding of HBC or to external DC supply
GATEPFC 7 PFC MOSFET gate driver output
PGND
8 power ground; HBC low-side and PFC driver reference (ground)
SUPREG
9 regulated SUPREG IC supply; internal regulator output; input for drivers;
externally connected to SUPREG buffer capacitor
GATELS
10 HBC low-side MOSFET gate driver output
n.c. 11 not connected; high-voltage spacer.
SUPHV
12 internal HV start-up source source high-voltage supply input; externally
connected to boost voltage
GATEHS
13 HBC high-side MOSFET gate driver output
SUPHS
14 high-side driver supply input; externally connected to bootstrap capacitor
(CSUPHS)
TEA1716T
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 30 November 2012
© NXP B.V. 2012. All rights reserved.
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