User's Guide
SNVA631A–February 2012–Revised May 2013
AN-2214 TPS92310 Evaluation Module
1 Introduction
The TPS92310 EVM-8W evaluation module is a constant current output LED driver supporting 5W to 8W
applications. The design focuses on applications that require small form factor and minimal number of
external components. The actual PCB dimension of the module is only 22mm x 55mm x 19mm (L x W x
H). The module can work with AC line input from 90 to 132VRMS or 180 to 264VRMS and supplying 350mA
current into a single string of LEDs, typically 6-7 LEDs in series. The evaluation board is carefully
designed to comply with major industrial EMC and safety requirements. The user can make use of the
information provided in this document, Dual Hot-Swap Power Controllers with Interdependent Circuit
Breaker and Power-Good Reporting (SLVS275) data sheet and application notes to design its specific end
product easily.
2 Description
The TPS92310 EVM-8W is developed with the TPS92310 controller IC. The TPS92310 is a single-stage
AC/DC controller dedicated for LED Lighting applications. The controller uses a primary-side current
sense configuration to control the LED current at secondly side. The system works in Critical Conduction
Mode (CRM) with flyback topology and it employs a constant on time modulation scheme. Inherently,
systems with this configuration can achieve greater than 0.90 Power Factor (PF) easily. The Power Factor
(PF) and line current harmonic performances of the evaluation board are tested and reported in this
document. The TPS92310 also integrated various protection features: Over-Voltage Protection (OVP),
Thermal Shut Down (TSD) and cycle-by-cycle Over-Current Protection (OCP). With these features in
place, the system is well protected against open and short circuit of the LEDs string. Considering with the
EMI problem, the TPS92310 integrates an internal delay timer to improve it. The delay time can be
programmed through an external resistor, it can ensures the controller switch ON the MOSFET only when
the MOSFET’s drain voltage at its lowest point. The Quasi-resonant switching operation improves the EMI
and system efficiency significantly.
3 Typical Applications
LED Lamps:
• A19 (E26/27, E14)
• PAR30/38
• GU10
Domestic and Office SSL solutions:
• Down Light
• LED Panel Light
• Ceiling Lamp Troffer
• T8 Tube
1
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Electrical Performance Specifications
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Features
• Application input voltage: 90VRMS-132VRMS or 180VRMS-264VRMS
•Primary side Fly-back LED current regulation
•Adaptive ON-time control with inherent PFC
•Critcal-Conduction-Mode (CRM) with Zero-Current Detect (ZCD) for valley switching
•Quasi-resonant switching to benefit the EMI and efficiency
•Programmable FET Switch-On-Delay
•Constant ON-Time (COT) and Peak Current Mode (PCM)
• LED current setting with external sense resistor
4 Electrical Performance Specifications
Table 1. 230VAC Evaluation Board (TPS92310 230V EVM)
PARAMETER TEST CONDITIONS Min Typ Max Units
Input Characteristics Voltage range 180 264 VRMS
Input current when VAC - 38 - mA
=220VRMS, VLED=20V
Output Characteristics Output voltage, VLED 21 V
Output load current, ILED 330 350 370 mA
Output over voltage - 26 - V
Systems Characteristics Full load efficiency (PIN = 8W) 83 85 - %
Full load Power Factor (PIN = - >0.9 -
8W)
Table 2. 120VAC Evaluation Board (TPS92310 120V EVM)
PARAMETER TEST CONDITIONS Min Typ Max Units
Input Characteristics Voltage range 90 132 VRMS
Input current when VAC = - 75 - mA
220VRMS, VLED=20V
Output Characteristics Output voltage, VLED 21 V
Output load current, ILED 330 350 370 mA
Output over voltage - 26 - V
Systems Characteristics Full load efficiency (PIN = 8W) 82 85 - %
Full load Power Factor (PIN = - >0.9 -
8W)
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U1
GATE
ISNS
MODE2
PGND
MODE1
1
COMP
ZCD
AGND
DLY
VCC
2
3
4
5
10
9
8
7
6
D2
*C6
T1
CY1
Q1
R8
R4
R7
D3
C3
R6
C8
D6
C7
R10
D4
*D7
R11
D1
*R2
C4
*C5
*L1
*VR1
*F1
R1
VZCD
*R12
*R15
*R3 C9
*R16
*R9
*R13
*R14
*R5
*C2
C11
TPS92310
LED+
LED-
6 ± 7 LED
AC *CN1 *CN2
* Optional
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Schematic ( TPS92310 120V EVM / TPS92310 230V EVM )
5 Schematic ( TPS92310 120V EVM / TPS92310 230V EVM )
Figure 1. Standard Schematic for the TPS92310 Evaluation Board
5.1 Test Equipment
Voltage Source: Start at 90VRMS-140VRMS or 180VRMS-264VRMS; AC source: PCR500LA (KIKUSUI)
Multimeter: Agilent 34401A
Power meter: WT210 Digital Power Meter (YOKOGAWA)
Output Load: 7 LEDs in series ( LED forward voltage =3.0 V at 350 mA ) or VLED = 21V
Oscilloscope:TDS3054C (TEKTRONIX )
Operation temperature : 25°C
3
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AC
Current Meter
TPS92310 EVM /
LM3440 EVM
Voltage Meter
Current Meter
Voltage Meter
AC LINE
AC Neutral
LED+
LED-
7 x LED
Board Connection
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6 Board Connection
Figure 2. Typical Connection Block Diagram
Figure 3. TPS92310EVM_8W
Terminal Designation Description
AC Live Connect 230VAC or 120VAC to the board ( TPS92310 120V EVM =
120VAC , TPS92310 230V EVM = 230VAC )
AC Neutral
LED+ Connect to the LED + of the LED string
LED- Connect to the LED – of the LED string
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TPS92310 Evaluation Board Test Procedure
7 TPS92310 Evaluation Board Test Procedure
CAUTION
High voltage levels are present on the evaluation module whenever it is
energized. Proper precautions must be taken when working with the EVM.
Serious injury can occur if proper safety precautions are not followed.
Table 3. Connections
Step Operation Remarks
1 Confirm the demo boards version. Check the demo board.
(120VACTPS92310 120V EVM or
230VACTPS92310 230V EVM)
2 Connect the AC source to AC line AC source voltage is 230VACTPS92310 230V EVM
/120VACTPS92310 120V EVM
3 Connect the LED light or electronic load to If use electronic load, set the electronic load is 20V
connecter LED+ and LED-. (Figure 3) with CV mode. And make sure the LED + connect
to electronic load + and LED- connection electronic
load GND.
Table 4. Functional AC Input Test
Step Operation Remarks
4 Switch the power switch on the setup to ON Please confirm the AC1 and AC2 connection are
position. correct.
5 The LEDs lights up within 2 sec. Measure the The LED voltage is 21V. ILED current is 350mA +/-
convertor output voltage. 5% (electronic load loading value). If the VLED start
up <2 sec, Power Factor >0.9 and ILED between
330mA to 370mA
6 Switch off the power source. Don’t touching any connection within 2 sec after
power off.
5
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180 190 200 210 220 230 240 250 260 270
0.30
0.31
0.32
0.33
0.34
0.35
0.36
0.37
0.38
0.39
0.40
I LED (A)
AC INPUT (VAC)
90 100 110 120 130 140
0.30
0.31
0.32
0.33
0.34
0.35
0.36
0.37
0.38
0.39
0.40
I LED (A)
AC INPUT (VAC)
180 190 200 210 220 230 240 250 260 270
70
75
80
85
90
95
100
EFFICIENCY (%)
AC INPUT (VAC)
90 100 110 120 130 140
70
75
80
85
90
95
100
EFFICIENCY (%)
AC INPUT (VAC)
Typical Performance Characteristics (TPS92310 230V EVM (230VAC) / TPS92310 120V EVM (120VAC)
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8 Typical Performance Characteristics (TPS92310 230V EVM (230VAC) / TPS92310
120V EVM (120VAC)
Figure 4. Efficiency vs AC Input Figure 5. Efficiency vs AC Input
Figure 6. Line Regulation Figure 7. Line Regulation
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VAC
IAC
Ch1: 250V/div; Ch3: 50 mA/div; Time: 4 ms/div.
>
>Ch3
Ch1
VAC
IAC
Ch1: 100V/div; Ch3: 100 mA/div; Time: 4 ms/div
>
>Ch3
Ch1
14 15 16 17 18 19 20 21 22
320
330
340
350
360
370
380
ILED(mA)
VLED(V)
14 15 16 17 18 19 20 21 22
320
330
340
350
360
370
380
ILED(mA)
VLED(V)
180 190 200 210 220 230 240 250 260 270
0.80
0.82
0.84
0.86
0.88
0.90
0.92
0.94
0.96
0.98
1.00
P.F
AC INPUT (VAC)
90 100 110 120 130 140
0.80
0.82
0.84
0.86
0.88
0.90
0.92
0.94
0.96
0.98
1.00
P.F
AC INPUT (VAC)
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Typical Performance Characteristics (TPS92310 230V EVM (230VAC) / TPS92310 120V EVM (120VAC)
Figure 8. Power Factor Figure 9. Power Factor
Figure 10. Load Regulation (230VAC) Figure 11. Load Regulation (120VAC)
Figure 12. Input Voltage and Input Current (230VAC) Figure 13. Input Voltage and Input Current (120VAC)
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Ch1: 250V/div; Ch3: 200 mA/div;
Ch4: 5V/div; Time: 4 ms/div.
VAC
ILED
VLED
>
>
Ch3
Ch4
Ch1
VAC
ILED
Ch1: 100V/div; Ch3: 200 mA/div;
Ch4: 5V/div; Time: 4 ms/div
VLED
>
>
Ch3
Ch4
Ch1
VAC
ILED
Ch1: 250V/div; Ch3: 200 mA/div;
Ch4: 5V/div; Time: 200 ms/div
VLED
>
>
Ch3
Ch4
Ch1
ILED
VAC
Ch1: 100V/div; Ch3: 200 mA/div;
Ch4: 5V/div; Time: 200 ms/div.
VLED
>
>
Ch3
Ch4
Ch1
Typical Performance Characteristics (TPS92310 230V EVM (230VAC) / TPS92310 120V EVM (120VAC)
www.ti.com
Figure 14. Power Up Output Voltage and Current Figure 15. Power Up Output Voltage and Current
(230VAC) (120VAC)
Figure 16. Output Current and Voltage Waveforms Figure 17. Output Current and Voltage Waveforms
(230VAC) (120VAC)
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Eval Board
Eval Board
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Current Harmonic Information
9 Current Harmonic Information
Figure 18. TPS92310 120V EVM Current Harmonic vs IEC61000–3–2 Class C Limits
Figure 19. TPS92310 230V EVM Current Harmonic vs IEC61000–3–2 Class C Limits
9
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Electromagnetic Interference (EMI)
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10 Electromagnetic Interference (EMI)
In order to get quick estimation of the EMI filter performance, only PEAK conductive EMI scan was
measured and the data was compared with the EN 55022 Class B conducted EMI Limits. All test
conditions are under PIN=8W full load.
Figure 20. Peak Conductive EMI per EN55022, Class B Limits (110VAC Live)
Figure 21. Peak Conductive EMI per EN55022, Class B Limits (110VAC Neutral)
Figure 22. Peak Conductive EMI per EN55022, Class B Limits (230VAC Live)
10 AN-2214 TPS92310 Evaluation Module SNVA631A–February 2012–Revised May 2013
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Electromagnetic Interference (EMI)
Figure 23. Peak Conductive EMI per EN55022, Class B Limits (230VAC Neutral)
10.1 EVM Assembly Drawing and PCB Layout
Figure 24. Top Layer Assembly Drawing (Top View)
11
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Electromagnetic Interference (EMI)
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Figure 25. Bottom Layer Assembly Drawing (Bottom View)
Figure 26. Top Layer Copper (Top View)
Figure 27. Bottom Layer Copper (Bottom View)
12 AN-2214 TPS92310 Evaluation Module SNVA631A–February 2012–Revised May 2013
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Bill of Materials TPS92310 Evaluation Board (TPS92310 230V EVM)
11 Bill of Materials TPS92310 Evaluation Board (TPS92310 230V EVM)
Item Designator Description Manufacturer Part Number
1 PCB Printed Circuit Board 551600739–001 REV A
2 U1 TPS92310 TI TPS92310
3 C3, C5 CAP CER .1 µF 630V 10% X7R 1812 Murata Electronics North GRM43DR72J104KW01L
America
4 C4 CAP 47000PF 310VAC EMI SUPPRESSN Vishay/BC Components BFC233920473
5 C9 CAP ALUM 470 µF 35V 20% RADIAL Panasonic - ECG EEU-FR1V471L
6 C6, C8 CAP, CERM, 10 µF, 50V, XR7 ,[1210], CAP CER Murata GRM32ER71H106KA12L
X7R 1210
7 C7 CAP CER 2.2 µF 50V X7R 0805 Murata GRM21BR71A225KA01L
8 C11 CAP CER 15p 50V 0603 Murata GRM1885C1H150JA01D
9 CY1 CAP CER 2200PF 250VAC X1Y1 RAD Murata DE1E3KX222MA4BL01
10 D1 RECT BRIDGE GP 600V 0.8A MINIDIP Diodes Inc HD06-T
11 D2 DIODE SCHOTTKY 100V 1A SMA Diodes Inc B1100-13-F
12 D3 DIODE GPP ULTRA FAST 1A 600V SMA Vishay/General Semiconductor US1J-E3/61T
13 D4 Default Diode Diodes Inc BAV20W-7-F
14 D5 Zener Diode Littelfuse Inc SMAJ250ALFCT-ND
15 D6 General Purpose diode Comchip Technology CDSU4148
16 Q1 MOSFET N-CH 800V 2.5A DPAK STMicroelectronics STD3NK80ZT4
17 R1 NC NC NC
18 R2 RES 47 OHM 1W 5% METAL FILM AX (230VAC) Yageo FMP100JR-52-47R
19 R3 RES, 1.00k ohm, 1%, 0.25W, 1206 Vishay/Dale CRCW12061K10FKEA
20 R4 RES, 66.5k ohm, 1%, 0.1W, 0603 Vishay/Dale CRCW060366K5FKEA
21 R5 RES 0.0 OHM 1/8W 0805 SMD Vishay/Dale CRCW08050000Z0EA
22 R6 RES, 20.0 ohm, 1%, 0.1W, 0603 Vishay/Dale CRCW060320R0JNEA
23 R7 RES, 11.0k ohm, 1%, 0.1W, 0603 Vishay/Dale CRCW060311K0FKEA
24 R8 3.3 Ohm (230VAC) Panasonic - ECG ERJ-8GEYJ3R3V
25 R9 51 Ohm (230VAC) Panasonic - ECG ERJ-8GEYJ510V
26 R10 RES, 18.0k ohm, 1%, 0.1W, 0603 Vishay/Dale CRCW060318K0JNEA
27 R11 200KOhm, 5%. 0.25W 1206 Vishay/Dale CRCW1206200KJNEA
28 R12 200KOhm, 5%. 0.25W 1206 Vishay/Dale CRCW1206200KJNEA
29 R13 NC NC NC
30 R14 NC NC NC
31 R15 NC NC NC
32 R16 RES 0.0 OHM 1/8W 0805 SMD Vishay/Dale CRCW08050000Z0EA
33 VR1 VARISTOR 300V 30J 7MM EPCOS EPCOS Inc S07K300E2
34 L1 Inductor 4.7mH Sumida RCH895 00777-T048-332
35 T1 750341087 REV 2.0 Wurth 750341087 REV 2.0
36 F1 FUSE SLOW BLOW 0.5A Littelfuse Inc 0677.500MXE
37 H1, H2, H5, H6 Standoff, Hex, 0.5"L #4-40 Nylon Keystone 1902C
38 H3, H4, H7, H8 Machine Screw, Round, #4-40 x 1/4, Nylon, B&F Fastener Supply NY PMS 440 0025 PH
Philips panhead
39 CN1, CN2 Conn Term Block, 2POS, 5.08mm PCB Phoenix Contact 1715721
40 TP1, TP2, TP3, TP4 Terminal, Turret, TH, Double Keystone Electronics 1502-2
13
SNVA631A–February 2012–Revised May 2013 AN-2214 TPS92310 Evaluation Module
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Bill of Materials TPS92310 Evaluation Board (TPS92310 120V EVM)
www.ti.com
12 Bill of Materials TPS92310 Evaluation Board (TPS92310 120V EVM)
Item Designator Description Manufacturer PartNumber
1 PCB Printed Circuit Board 551600739–001 REV A
2 U1 TPS92310 TI TPS92310
3 C3, C5 CAP CER .1µF 630V 10% X7R 1812 Murata Electronics North GRM43DR72J104KW01L
America
4 C4 CAP 47000PF 310VAC EMI SUPPRESSN Vishay/BC Components BFC233920473
5 C9 CAP ALUM 470µF 35V 20% RADIAL Panasonic - ECG EEU-FR1V471L
6 C6, C8 CAP, CERM, 10µF, 50V, XR7 ,[1210], CAP CER Murata GRM32ER71H106KA12L
X7R 1210
7 C7 CAP CER 2.2µF 50V X7R 0805 Murata GRM21BR71A225KA01L
8 CY1 CAP CER 2200PF 250VAC X1Y1 RAD Murata DE1E3KX222MA4BL01
9 C11 CAP CER 15p 50V 0603 Murata GRM1885C1H150JA01D
10 D1 RECT BRIDGE GP 600V 0.8A MINIDIP Diodes Inc HD06-T
11 D2 DIODE SCHOTTKY 100V 1A SMA Diodes Inc B1100-13-F
12 D3 DIODE GPP ULTRA FAST 1A 600V SMA Vishay/General Semiconductor US1J-E3/61T
13 D4 Default Diode Diodes Inc BAV20W-7-F
14 D5 Zener Diode Littelfuse Inc SMAJ250ALFCT-ND
15 D6 General Purpose diode Comchip Technology CDSU4148
16 Q1 MOSFET N-CH 800V 2.5A DPAK STMicroelectronics STD3NK80ZT4
17 R1 NC NC NC
18 R2 RES 22 OHM 1W 5% METAL FILM AX Yageo FMP100JR-52-22R
19 R3 RES, 1.00k ohm, 1%, 0.25W, 1206 Vishay/Dale CRCW12061K10FKEA
20 R4 RES, 66.5k ohm, 1%, 0.1W, 0603 Vishay/Dale CRCW060366K5FKEA
21 R5 RES 0.0 OHM 1/8W 0805 SMD Vishay/Dale CRCW08050000Z0EA
22 R6 RES, 20.0 ohm, 1%, 0.1W, 0603 Vishay/Dale CRCW060320R0JNEA
23 R7 RES, 11.0k ohm, 1%, 0.1W, 0603 Vishay/Dale CRCW060311K0FKEA
24 R8 1.5 Ohm 1206 Panasonic - ECG ERJ-8GEYJ1R5V
25 R9 36 Ohm 1206 NC ERJ-8GEYJ360V
26 R10* RES, 6.34k ohm, 1%, 0.1W, 0603 Vishay/Dale CRCW06036K34FKEA
27 R11 100KOhm, 5%. 0.25W 1206 Vishay/Dale CRCW1206100KJNEA
28 R12 100KOhm, 5%. 0.25W 1206 Vishay/Dale 'CRCW1206100KJNEA
29 R13 NC NC NC
30 R14 NC NC NC
31 R15 NC NC NC
32 R16 RES 0.0 OHM 1/8W 0805 SMD Vishay/Dale CRCW08050000Z0EA
33 VR1 VARISTOR 300V 30J 7MM EPCOS EPCOS Inc S07K300E2
34 L1 Inductor 3.3mH Sumida RCH895 00777-T048-332
35 T1 750341086 REV 2.0 Wurth 750341086 REV 2.0
36 F1 FUSE SLOW BLOW 0.5A Littelfuse Inc 0677.500MXE
37 H1, H2, H5, H6 Standoff, Hex, 0.5"L #4-40 Nylon Keystone 1902C
38 H3, H4, H7, H8 Machine Screw, Round, #4-40 x 1/4, Nylon, B&F Fastener Supply NY PMS 440 0025 PH
Philips panhead
39 CN1, CN2 Conn Term Block, 2POS, 5.08mm PCB Phoenix Contact 1715721
40 TP1, TP2, TP3, TP4 Terminal, Turret, TH, Double Keystone Electronics 1502-2
14 AN-2214 TPS92310 Evaluation Module SNVA631A–February 2012–Revised May 2013
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