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
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1
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
Voltage range
180
Typ
Max
Units
264
VRMS
-
mA
Input Characteristics
Input current when VAC
=220VRMS, VLED=20V
-
38
330
350
370
mA
-
26
-
V
%
Output Characteristics
Output voltage, VLED
Output load current, ILED
21
Output over voltage
V
Systems Characteristics
Full load efficiency (PIN = 8W)
83
85
-
Full load Power Factor (PIN =
8W)
-
>0.9
-
Table 2. 120VAC Evaluation Board (TPS92310 120V EVM)
PARAMETER
TEST CONDITIONS
Min
Typ
Max
Units
132
VRMS
-
mA
Input Characteristics
Voltage range
Input current when VAC =
220VRMS, VLED=20V
90
-
75
330
350
370
mA
-
26
-
V
Full load efficiency (PIN = 8W)
82
85
-
%
Full load Power Factor (PIN =
8W)
-
>0.9
-
Output Characteristics
Output voltage, VLED
Output load current, ILED
Output over voltage
21
V
Systems Characteristics
2
AN-2214 TPS92310 Evaluation Module
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Schematic ( TPS92310 120V EVM / TPS92310 230V EVM )
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5
Schematic ( TPS92310 120V EVM / TPS92310 230V EVM )
*L1
D2
*R16
LED+
*C2
*R15
T1
R11
*C5
D1
*R3
C3
*C6 C9
*F1
*CN1
AC
R1
D3
*VR1
C4
6 ± 7 LED
*R12
*CN2
D4
R6
*R2
*D7
VZCD
R4
*R5
C11
LED-
R7
CY1
U1
1
C8
2
D6
C7
* Optional
R10
VCC
ZCD
3
AGND
4
COMP
5
DLY
GATE 10
ISNS 9
PGND 8
*R13
MODE1 7
6
MODE2
*R14
Q1
R8
*R9
TPS92310
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
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3
Board Connection
6
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Board Connection
Current Meter
AC LINE
LED+
Current Meter
AC
TPS92310 EVM /
LM3440 EVM
Voltage Meter
AC Neutral
7 x LED
Voltage Meter
LED-
Figure 2. Typical Connection Block Diagram
Figure 3. TPS92310EVM_8W
4
Terminal Designation
Description
AC Live
AC Neutral
Connect 230VAC or 120VAC to the board ( TPS92310 120V EVM =
120VAC , TPS92310 230V EVM = 230VAC )
LED+
Connect to the LED + of the LED string
LED-
Connect to the LED – of the LED string
AN-2214 TPS92310 Evaluation Module
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TPS92310 Evaluation Board Test Procedure
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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.
(120VACTPS92310 120V EVM or
230VACTPS92310 230V EVM)
Check the demo board.
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
connecter LED+ and LED-. (Figure 3)
If use electronic load, set the electronic load is 20V
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
position.
Please confirm the AC1 and AC2 connection are
correct.
5
The LEDs lights up within 2 sec. Measure the
convertor output voltage.
The LED voltage is 21V. ILED current is 350mA +/5% (electronic load loading value). If the VLED start
up 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.
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5
Typical Performance Characteristics (TPS92310 230V EVM (230VAC) / TPS92310 120V EVM (120VAC)
Typical Performance Characteristics (TPS92310 230V EVM (230VAC) / TPS92310
120V EVM (120VAC)
100
100
95
95
EFFICIENCY (%)
EFFICIENCY (%)
8
90
85
80
90
85
80
75
75
70
70
180 190 200 210 220 230 240 250 260 270
AC INPUT (VAC)
90
0.40
0.40
0.39
0.39
0.38
0.38
0.37
0.37
0.36
0.35
0.34
140
0.35
0.34
0.33
0.32
0.32
0.31
0.31
0.30
180 190 200 210 220 230 240 250 260 270
AC INPUT (VAC)
0.30
90
AN-2214 TPS92310 Evaluation Module
110
120
130
AC INPUT (VAC)
0.36
0.33
Figure 6. Line Regulation
100
Figure 5. Efficiency vs AC Input
I LED (A)
I LED (A)
Figure 4. Efficiency vs AC Input
6
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100
110
120
130
AC INPUT (VAC)
140
Figure 7. Line Regulation
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Typical Performance Characteristics (TPS92310 230V EVM (230VAC) / TPS92310 120V EVM (120VAC)
1.00
1.00
0.98
0.98
0.96
0.96
0.94
0.94
0.92
0.92
P.F
P.F
www.ti.com
0.90
0.90
0.88
0.88
0.86
0.86
0.84
0.84
0.82
0.82
0.80
180 190 200 210 220 230 240 250 260 270
AC INPUT (VAC)
0.80
90
100
380
380
370
370
360
360
350
350
340
340
330
330
320
320
14
15
16
17 18 19
VLED(V)
20
21
22
14
Figure 10. Load Regulation (230VAC)
Ch1 >
140
Figure 9. Power Factor
ILED(mA)
ILED(mA)
Figure 8. Power Factor
110
120
130
AC INPUT (VAC)
VAC
15
16
17 18 19
VLED(V)
20
21
22
Figure 11. Load Regulation (120VAC)
Ch1 >
VAC
Ch3 >
Ch3 >
IAC
Ch1: 250V/div; Ch3: 50 mA/div; Time: 4 ms/div.
Figure 12. Input Voltage and Input Current (230VAC)
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IAC
Ch1: 100V/div; Ch3: 100 mA/div; Time: 4 ms/div
Figure 13. Input Voltage and Input Current (120VAC)
AN-2214 TPS92310 Evaluation Module
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Typical Performance Characteristics (TPS92310 230V EVM (230VAC) / TPS92310 120V EVM (120VAC)
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VAC
VAC
Ch1 >
Ch1 >
ILED VLED
Ch3
>
Ch4 Ch1: 250V/div; Ch3: 200 mA/div;
Ch4: 5V/div; Time: 200 ms/div
ILED VLED
Ch3
>
Ch4 Ch1: 100V/div; Ch3: 200 mA/div;
Ch4: 5V/div; Time: 200 ms/div.
Figure 14. Power Up Output Voltage and Current
(230VAC)
Figure 15. Power Up Output Voltage and Current
(120VAC)
VAC
Ch1 >
VAC
Ch1 >
VLED
VLED
ILED
ILED
Ch3
>
Ch4 Ch1: 250V/div; Ch3: 200 mA/div;
Ch4: 5V/div; Time: 4 ms/div.
Figure 16. Output Current and Voltage Waveforms
(230VAC)
8
AN-2214 TPS92310 Evaluation Module
Ch3
>
Ch4 Ch1: 100V/div; Ch3: 200 mA/div;
Ch4: 5V/div; Time: 4 ms/div
Figure 17. Output Current and Voltage Waveforms
(120VAC)
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Current Harmonic Information
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9
Current Harmonic Information
Eval Board
Figure 18. TPS92310 120V EVM Current Harmonic vs IEC61000–3–2 Class C Limits
Eval Board
Figure 19. TPS92310 230V EVM Current Harmonic vs IEC61000–3–2 Class C Limits
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9
Electromagnetic Interference (EMI)
10
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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
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Electromagnetic Interference (EMI)
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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)
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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
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Bill of Materials TPS92310 Evaluation Board (TPS92310 230V EVM)
www.ti.com
11
Bill of Materials TPS92310 Evaluation Board (TPS92310 230V EVM)
Item
Designator
1
PCB
2
U1
3
C3, C5
4
5
6
C6, C8
Description
Manufacturer
Printed Circuit Board
Part Number
551600739–001 REV A
TPS92310
TI
TPS92310
CAP CER .1 µF 630V 10% X7R 1812
Murata Electronics North
America
GRM43DR72J104KW01L
C4
CAP 47000PF 310VAC EMI SUPPRESSN
Vishay/BC Components
BFC233920473
C9
CAP ALUM 470 µF 35V 20% RADIAL
Panasonic - ECG
EEU-FR1V471L
CAP, CERM, 10 µF, 50V, XR7 ,[1210], CAP CER
X7R 1210
Murata
GRM32ER71H106KA12L
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,
Philips panhead
B&F Fastener Supply
NY PMS 440 0025 PH
Conn Term Block, 2POS, 5.08mm PCB
Phoenix Contact
1715721
Terminal, Turret, TH, Double
Keystone Electronics
1502-2
39
CN1, CN2
40
TP1, TP2, TP3, TP4
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Bill of Materials TPS92310 Evaluation Board (TPS92310 120V EVM)
12
Bill of Materials TPS92310 Evaluation Board (TPS92310 120V EVM)
Item
Designator
1
PCB
2
U1
3
C3, C5
4
5
6
C6, C8
Description
Manufacturer
Printed Circuit Board
PartNumber
551600739–001 REV A
TPS92310
TI
TPS92310
CAP CER .1µF 630V 10% X7R 1812
Murata Electronics North
America
GRM43DR72J104KW01L
C4
CAP 47000PF 310VAC EMI SUPPRESSN
Vishay/BC Components
BFC233920473
C9
CAP ALUM 470µF 35V 20% RADIAL
Panasonic - ECG
EEU-FR1V471L
CAP, CERM, 10µF, 50V, XR7 ,[1210], CAP CER
X7R 1210
Murata
GRM32ER71H106KA12L
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,
Philips panhead
B&F Fastener Supply
NY PMS 440 0025 PH
Conn Term Block, 2POS, 5.08mm PCB
Phoenix Contact
1715721
Keystone Electronics
1502-2
39
40
14
www.ti.com
CN1, CN2
TP1, TP2, TP3, TP4 Terminal, Turret, TH, Double
AN-2214 TPS92310 Evaluation Module
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Copyright © 2012–2013, Texas Instruments Incorporated
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