Texas Instruments TPS92410EVM-001 Manuel utilisateur

Catégorie
Régulateurs de tension
Taper
Manuel utilisateur
TPS92410EVM-001 Offline LED Driver
Evaluation Module
User's Guide
Literature Number: SLVUA49
April 2014
Contents
1 Introduction......................................................................................................................... 4
2 Warnings and Cautions ........................................................................................................ 4
3 Description.......................................................................................................................... 5
3.1 Typical Applications...................................................................................................... 5
3.2 Connector Descriptions ................................................................................................. 5
4 Electrical Performance Specifications .................................................................................... 6
5 TPS92410EVM-001 Schematic................................................................................................ 7
6 Performance Data and Typical Characteristic Curves............................................................... 8
6.1 Power Factor.............................................................................................................. 8
6.2 Line Regulation........................................................................................................... 8
6.3 Input Voltage and Input Current........................................................................................ 9
6.4 Linear Regulator Drain Voltage and Input Current................................................................... 9
6.5 Output Current .......................................................................................................... 10
6.6 Drain Overvoltage (DOV) Event (80-V Stack Shorted then Released).......................................... 10
6.7 Triac Dimming Waveforms ............................................................................................ 11
6.8 EMI Performance ....................................................................................................... 14
7 TPS92410EVM-001 PCB Layout............................................................................................ 15
8 Bill of Materials .................................................................................................................. 16
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List of Figures
1 TPS92410EVM-001 Schematic............................................................................................ 7
2 Power Factor Versus Input Voltage ....................................................................................... 8
3 Input (Linear Regulator) Current Versus Input Voltage................................................................. 8
4 Input Voltage (Top) and Input Current (Bottom)......................................................................... 9
5 Drain Voltage (Top) and Input Current (Bottom)......................................................................... 9
6 80-V Stack (Top), 40-V Stack (Middle), and 20-V Stack (Bottom)................................................... 10
7 Drain Voltage (Top), DOV Pin Voltage (Middle), and Input Current (Bottom)...................................... 10
8 Forward Phase Triac Dimming: Rectified Input Voltage (Top) and Input Current (Bottom) – Full............... 11
9 Forward Phase Triac Dimming: Rectified Input Voltage (Top) and Input Current (Bottom) – Half .............. 11
10 Forward Phase Triac Dimming: Rectified Input Voltage (Top) and Input Current (Bottom) – Low.............. 12
11 Reverse Phase Dimming: Rectified Input Voltage (Top) and Input Current (Bottom) – Full ..................... 12
12 Reverse Phase Dimming: Rectified Input Voltage (Top) and Input Current (Bottom) – Half..................... 13
13 Reverse Phase Dimming: Rectified Input Voltage (Top) and Input Current (Bottom) – Low..................... 13
14 Conducted EMI Performance............................................................................................. 14
15 Top Layer and Top Overlay (Top View)................................................................................. 15
16 Bottom Layer and Bottom Overlay (Bottom View) ..................................................................... 15
List of Tables
1 TPS92410EVM-001 Electrical Performance Specifications............................................................ 6
2 TPS92410EVM-001 Bill of Materials..................................................................................... 16
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User's Guide
SLVUA49April 2014
Switch Controlled Direct Drive Linear Controller for Offline
LED Drivers
1 Introduction
The TPS92410EVM-001 evaluation module (EVM) helps designers evaluate the operation and
performance of the TPS92410 direct drive linear controller designed for use with the TPS92411 in offline
LED-drive applications. The TPS92410 is designed to control the drive of high-brightness light emitting
diodes (LEDs) and features a wide input voltage range (9.5 V to 400 V), thermal foldback, analog dimming
capability, and linear FET overvoltage protection.
2 Warnings and Cautions
Observe the following precautions when using the TPS92410EVM-001.
WARNING
High Voltage
CAUTION
DO NOT STARE DIRECTLY INTO THE LED LIGHT SOURCE.
Intense light sources have a high secondary blinding effect. A temporary
reduction in visual acuity and afterimages can occur, leading to irritation,
annoyance, visual impairment, and even accidents – depending on the
situation. Always consider the use of light filtering and darkening protective
eyewear and be fully aware of surrounding laboratory type set-ups when
viewing intense light sources to minimize or eliminate such risks in order to
avoid accidents related to temporary blindness.
WARNING
Do not stare at the operating LED – (Risk Group 1
(RG1)). See IEC32471-1 ed1.0:2009-08 for risk group definitions.
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Description
3 Description
The TPS92410EVM-001 provides a high-brightness LED driver based on the TPS92410 in conjunction
with the TPS92411 direct drive switch. It is designed to operate with an input voltage in the range of 90
VAC to 135 VAC with a 120 VAC nominal input voltage. This input voltage range is typical for offline
applications. The EVM is set up for a default input current of 58 mA for 6.8 W total power and 3 LED
voltage stacks of 20 V, 40 V, and 80 V. The TPS92410 helps provide high efficacy, good power factor, low
THD, and flicker-free triac and phase dimming, due to its dimmer detect function that switches the input
current mode to a DC level.
3.1 Typical Applications
This converter design describes an application of the TPS92410 as an LED driver controller with the
specifications listed in Section 4. For applications with a different input voltage range or different output
voltage range, refer to the TPS92410 datasheet (SLUSBW9) and TPS92411 datasheet (SLUSBQ6).
3.2 Connector Descriptions
This section describes the connectors and test points on the EVM and how to properly connect, setup,
and use the TPS92410EVM-001.
3.2.1 J1
The screw down connector J1 is for the input voltage supply to the LED driver. The leads to the input
supply should be twisted and kept as short as possible to minimize voltage drop, inductance, and EMI
transmission. The input is not polarized. Line and neutral may be connected to either terminal.
3.2.2 VPx, VSx, ISx
The test points VP1, VS1, IS1, VP2, VS2, IS2, VP3, VS3, and IS3 are for testing the different LED stack
voltages and currents. For example, connect a voltmeter from VP1 to IS1 across the 1-Ωresistor, R1, to
measure the current in the top (80 V) LED string (1 mV = 1 mA). Connect a voltmeter from VP1 to VS1 to
measure the top stack voltage. The middle and lower stack currents and voltages can be measured in the
same way using the test points labeled with 2 and 3, respectively.
3.2.3 ADIM
The test point ADIM connects directly to the ADIM pin of the TPS92410. The voltage range is 0 V to 3 V.
Applying a voltage between 1.5 V and 3 V allows the internal reference to take over, resulting in a 1.5-V
reference at the CS pin. Applying a voltage below 1.5 V results in the applied voltage being the reference
at the CS pin down to 50 mV. Below 50 mV, the linear regulator is disabled and the GDL pin is pulled to
ground.
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Electrical Performance Specifications
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4 Electrical Performance Specifications
Table 1 contains the electrical performance specifications for the EVM.
Table 1. TPS92410EVM-001 Electrical Performance Specifications
Parameter Test Conditions MIN TYP MAX Units
Input Characteristics
Voltage range 90 120 135 VAC
Maximum input current 58 mA
Output Characteristics
Output voltage, VOUT Upper LED stack 80 V
Middle LED stack 40
Lower LED stack 20
Flicker Index 0.03
Output current ripple percent 12 %
Output current ripple Each stack 23 mApp
Overvoltage protection level Each individual TPS92410 100 V
Linear FET overvoltage protection 51 V
level
Systems Characteristics
Efficiency Input voltage = 120 VAC, No triac dimmer 79.5 %
Power factor Input voltage = 120 VAC, No triac dimmer 0.99
THD Input voltage = 120 VAC, No triac dimmer 7.5 %
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TPS92410EVM-001 Schematic
5 TPS92410EVM-001 Schematic
Figure 1 illustrates the TPS92410EVM-001 schematic.
Figure 1. TPS92410EVM-001 Schematic
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55
56
57
58
59
60
90 95 100 105 110 115 120 125 130 135
Input Current (mA)
Input Voltage (VAC)
C001
0.98
0.982
0.984
0.986
0.988
0.99
0.992
0.994
0.996
0.998
1
90 95 100 105 110 115 120 125 130 135
Power Factor
Input Voltage (VAC)
C002
Performance Data and Typical Characteristic Curves
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6 Performance Data and Typical Characteristic Curves
Figure 2 through Figure 13 present typical performance curves for the TPS92410EVM-001.
6.1 Power Factor
Figure 2. Power Factor Versus Input Voltage
6.2 Line Regulation
Figure 3. Input (Linear Regulator) Current Versus Input Voltage
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Performance Data and Typical Characteristic Curves
6.3 Input Voltage and Input Current
Figure 4. Input Voltage (Top) and Input Current (Bottom)
6.4 Linear Regulator Drain Voltage and Input Current
Figure 5. Drain Voltage (Top) and Input Current (Bottom)
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6.5 Output Current
Figure 6. 80-V Stack (Top), 40-V Stack (Middle), and 20-V Stack (Bottom)
6.6 Drain Overvoltage (DOV) Event (80-V Stack Shorted then Released)
Figure 7. Drain Voltage (Top), DOV Pin Voltage (Middle), and Input Current (Bottom)
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Performance Data and Typical Characteristic Curves
6.7 Triac Dimming Waveforms
Figure 8. Forward Phase Triac Dimming: Rectified Input Voltage (Top) and Input Current (Bottom) – Full
Figure 9. Forward Phase Triac Dimming: Rectified Input Voltage (Top) and Input Current (Bottom) – Half
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Performance Data and Typical Characteristic Curves
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Figure 10. Forward Phase Triac Dimming: Rectified Input Voltage (Top) and Input Current (Bottom) – Low
Figure 11. Reverse Phase Dimming: Rectified Input Voltage (Top) and Input Current (Bottom) – Full
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Performance Data and Typical Characteristic Curves
Figure 12. Reverse Phase Dimming: Rectified Input Voltage (Top) and Input Current (Bottom) – Half
Figure 13. Reverse Phase Dimming: Rectified Input Voltage (Top) and Input Current (Bottom) – Low
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Performance Data and Typical Characteristic Curves
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6.8 EMI Performance
Figure 14 shows the conducted EMI performance of the EVM under the following conditions:
• PIN = 6.8 W
• VIN = 120 VAC
QP = quasi-peak limit line
A= average limit line
Blue trace = peak scan
Black trace = average scan
Figure 14. Conducted EMI Performance
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TPS92410EVM-001 PCB Layout
7 TPS92410EVM-001 PCB Layout
Figure 15 and Figure 16 show the design of the TPS92410EVM-001 printed circuit board.
Figure 15. Top Layer and Top Overlay (Top View)
Figure 16. Bottom Layer and Bottom Overlay (Bottom View)
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Bill of Materials
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8 Bill of Materials
Table 2 contains the TPS92410EVM-001 components list according to the schematic shown in Figure 1.
Table 2. TPS92410EVM-001 Bill of Materials
Reference Designator QTY Value Description Size Part Number MFR
C1 1 0.047µF CAP, Film, 0.047µF, 250VDC Radial B32529C3473K189 EPCOS Inc
C2 1 0.15µF CAP, Film, 0.15µF, 250VDC Radial B32529C3154J EPCOS Inc
C3 1 33µF CAP, AL, 33µF, 100V, +/-20%, 0.45 ohm 8x15mm UPW2A330MPD6 Nichicon
C4 1 68µF CAP, AL, 68µF, 50V, +/-20%, 0.234 ohm 8x11.5mm EEU-FC1H680 Panasonic
C5, C9 2 0.1µF CAP, CERM, 0.1µF, 16V, +/-5%, X7R 0603 C0603C104J4RACTU Kemet
C6 1 10µF CAP, CERM, 10µF, 25V, +/-10%, X7R 1206 GRM31CR71E106KA12L MuRata
C7, C12 2 1µF CAP, CERM, 1µF, 16V, +/-10%, X7R 0603 C1608X7R1C105K TDK
C8, C11 2 4.7µF CAP, CERM, 4.7µF, 16V, +/-10%, X5R 0603 GRM188R61C475KAAJ MuRata
C10 1 1000pF CAP, CERM, 1000pF, 50V, +/-10%, X7R 0603 GRM188R71H102KA01D MuRata
C13 1 120µF CAP, AL, 120µF, 25V, +/-20%, 0.23 ohm 6.3x15mm UPW1E121MED Nichicon
D1, D15, D22 3 200V Diode, Switching, 200V, 0.2A SOT-23 BAS21-7-F Diodes Inc.
D2, D3, D4, D5, D6, D7, D9, D10, D11, 21 Cool White LED, Cool White, SMD 3x.75x5.2mm SAW8KG0B-Y1Z4-CA Seoul Semiconductor
D12, D13, D14, D16, D17, D18, D19,
D20, D21, D23, D24, D25
D8 1 Diode, Switching-Bridge, 600V, 0.8A MiniDIP HD06-T Diodes Inc.
D26 1 100V Diode, Ultrafast, 100V, 0.15A SOD-123 1N4148W-7-F Diodes Inc.
J1 1 2x1 Conn Term Block, 2POS, 5.08mm 2POS Terminal 1715721 Phoenix Contact
Block
Q1 1 600V MOSFET, N-CH, 600V, 2A DPAK AOD2N60 AOS
R1, R5, R14 3 1.00RES, 1.00 ohm, 1%, 0.125W 0805 RMCF0805FT1R00 Stackpole Electronics Inc
R2 1 442 RES, 442 ohm, 1%, 1W 2512 CRCW2512442RFKEG Vishay-Dale
R3 1 1.82MRES, 1.82Meg ohm, 1%, 0.125W 0805 CRCW08051M82FKEA Vishay-Dale
R4, R7, R8, R9, R23 5 1.00MRES, 1.00Meg ohm, 1%, 0.25W 1206 CRCW12061M00FKEA Vishay-Dale
R6 1 1.65MRES, 1.65Meg ohm, 1%, 0.1W 0603 CRCW06031M65FKEA Vishay-Dale
R10, R11 2 2.00MRES, 2.00Meg ohm, 1%, 0.125W 0805 CRCW08052M00FKEA Vishay-Dale
R12, R18 2 30.1kRES, 30.1k ohm, 1%, 0.1W 0603 CRCW060330K1FKEA Vishay-Dale
R13 1 200kRES, 200k ohm, 1%, 0.1W 0603 CRCW0603200KFKEA Vishay-Dale
R15 1 54.9kRES, 54.9k ohm, 1%, 0.1W 0603 CRCW060354K9FKEA Vishay-Dale
R16 1 10.0RES, 10.0 ohm, 1%, 0.1W 0603 CRCW060310R0FKEA Vishay-Dale
R19 1 121kRES, 121k ohm, 1%, 0.1W 0603 CRCW0603121KFKEA Vishay-Dale
R20 1 1.43MRES, 1.43Meg ohm, 1%, 0.1W 0603 CRCW06031M43FKEA Vishay-Dale
R21 1 30.1RES, 30.1 ohm, 1%, 0.25W 1206 CRCW120630R1FKEA Vishay-Dale
R22 1 182RES, 182 ohm, 1%, 0.25W 1206 CRCW1206182RFKEA Vishay-Dale
RF1 1 47RES, 47 ohm, 10%, 2W Axial EMC2-47RKI TT Electronics/Welwyn
RT1 1 470kThermistor NTC, 470k ohm, 5% 0603 NCP18WM474J03RB MuRata
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Bill of Materials
Table 2. TPS92410EVM-001 Bill of Materials (continued)
Reference Designator QTY Value Description Size Part Number MFR
RV1 1 220V Varistor, 220V, 600A Disc 10x7mm ERZ-V05D221 Panasonic
U1, U2, U4 3 Switch Controlled Direct Drive Switch for Offline LED SOT23-5 TPS92411PDBV Texas Instruments
Drivers
U3 1 Switch Controlled Direct Drive Linear Controller for Offline SOIC-13 TPS92410D Texas Instruments
LED Drivers
R17 0 DNP
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permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain
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Canada Industry Canada Compliance (French)
Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada
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Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain
maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à
l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente
(p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante.
Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel
d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans
cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2014, Texas Instruments Incorporated
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Important Notice for Users of EVMs Considered “Radio Frequency Products” in Japan
EVMs entering Japan are NOT certified by TI as conforming to Technical Regulations of Radio Law of Japan.
If user uses EVMs in Japan, user is required by Radio Law of Japan to follow the instructions below with respect to EVMs:
1. Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and
Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of
Japan,
2. Use EVMs only after user obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to EVMs, or
3. Use of EVMs only after user obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect
to EVMs. Also, do not transfer EVMs, unless user gives the same notice above to the transferee. Please note that if user does not
follow the instructions above, user will be subject to penalties of Radio Law of Japan.
http://www.tij.co.jp
【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 本開発キットは技術基準適合証明を受けておりません。 本製品の
ご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要がありますのでご注意ください。
1. 電波法施行規則第6条第1項第1号に基づく平成18328日総務省告示第173号で定められた電波暗室等の試験設備でご使用いただく。
2. 実験局の免許を取得後ご使用いただく。
3. 技術基準適合証明を取得後ご使用いただく。。
なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします
上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。
日本テキサス・インスツルメンツ株式会社
東京都新宿区西新宿6丁目24番1号
西新宿三井ビル
http://www.tij.co.jp Texas Instruments Japan Limited
(address) 24-1, Nishi-Shinjuku 6 chome, Shinjuku-ku, Tokyo, Japan
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Texas Instruments TPS92410EVM-001 Manuel utilisateur

Catégorie
Régulateurs de tension
Taper
Manuel utilisateur

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