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UM10520 - NXP Semiconductors

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1. lm ae n Jui pn li b 230 V AC input voltage Typical EMI pattern measured at 4 W load UM10520 All information provided in this document it is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 2 15 May 2013 9 of 17 NXP Semiconductors UM10520 Isolated 3 phase universal mains flyback converter demo board 7 Demo board schematic D18 P T 1 e 42 1 Ros R7 m ZND23 R19 A 5 amp t R5 C3 R8 c14 D19 Masc D3 D7 R9 T Pl TT deo A D10 R2 at ZNp2 c13 1 2 H 3 CINA Io c12 1 J1 3 5 1 D20 810 R16 23 se wh tate co D21 ci 20 onos TEA1721 i f Ror vcc cto R17 D14 ZND4 3 i 1 4 J24 C16 II 002098 Fig 5 1721 3 SMPS circuit diagram UM10520 Fig 6 J1 4 1 3 to PLC transceiver module to PLC transceiver module to PLC transceiver module 1 2 L1 4 J1 4 5 4 wn L1 3 3 5 4 wn L1 2 J1 2 gt 4 wn L1 1 Jit 4 wn to PLC transceiver module J1 1 a PLC decoupling stage extension Optiona
2. uU 17 Please be aware that important notices concerning this document and the product s described herein have been included in section Legal information NXP B V 2013 All rights reserved For more information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com Date of release 15 May 2013 Document identifier UM10520
3. representation or warranty that such applications will be suitable for the specified use without further testing or modification Customers are responsible for the design and operation of their applications and products using NXP Semiconductors products and NXP Semiconductors accepts no liability for any assistance with applications or customer product design It is customer s sole responsibility to determine whether the Semiconductors product is suitable and fit for the customer s applications and products planned as well as for the planned application and use of customer s third party customer s Customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products UM10520 All information provided in this document is subject to legal disclaimers NXP Semiconductors does not accept any liability related to any default damage costs or problem which is based on any weakness or default in the customer s applications or products or the application or use by customer s third party customer s Customer is responsible for doing all necessary testing for the customer s applications and products using NXP Semiconductors products in order to avoid a default of the applications and the products or of the application or use by customer s third party customer s NXP does not accept any liability in this respect Export control This document as well as the ite
4. 0805 270 kQ 0805 custom transformer Part number BZX384 C30 TEA1721AT 744862250 STD3NK60Z 750817841 Manufacturer NXP Semiconductors NXP Semiconductors Wirth Elektronik W rth Elektronik 1 Custom transformer primary winding inductance 2 4 mH turns ratio Primary Secondary Auxiliary 10 3 2 The secondary winding must have a tap for the 5 V and the 3 3 V output voltage The magnetic coupling between the secondary and the auxiliary winding must be optimal 2 To set the output voltage with greater accuracy fine tuning is required UM10520 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 2 15 May 2013 12 of 17 NXP Semiconductors U M1 0520 Isolated 3 phase universal mains flyback converter demo board 9 Optional modifications implementation guidelines The output voltages are adjusted using resistors R11 and R15 The secondary winding on transformer T1 turns ratio defines the ratio between the three output voltages Using a different transformer makes other output voltages and or other output voltage ratios available To achieve good voltage regulation the secondary winding and the auxiliary winding of the transformer must have a tight magnetic coupling The maximum output power and output current levels are adjusted using resistor R14 The maximum current allowed in the TEA1721 I
5. C switching MOSFET is 700 mA Take care that under no circumstances the peak current in the primary winding of the T1 transformer exceeds 700 mA Resistors R1 R2 R3 and R4 limit the inrush current The resistor must be a carbon resistor because metal film resistors can act as a fuse in this position If no inrush current limiting is required the resistor can be replaced with a short circuit e EMl filtering is implemented using separate stages for common mode L1 and differential mode L2 Depending on the requirements the filtering stage can be adapted For example inductor L1 can be chosen to ensure that its leakage inductance takes care of differential filtering As a consequence L2 can be omitted Surge voltage protection is implemented using TVS diodes D9 D10 D11 D12 and capacitors C5 C6 The surge protection limits the DC bus voltage to 800 V The TVS diodes choice determines the maximum allowable surge pulse energy Resistors R17 R18 and R19 form small pre loads for the converter When the output voltages are adjusted also adjust the pre load resistors to ensure that they consume roughly the same amount of power Depending on the connected load eliminate the resistors Zener diodes D21 D22 and D23 are an elementary output OverVoltage Protection OVP When OVP is not needed eliminate the diodes Capacitors C11 C13 and C15 are used to obtain additional HF voltage stability and noise suppression Eliminate the
6. UM10520 TEA1721 isolated 3 phase universal mains flyback converter demo board Rev 1 2 15 May 2013 User manual Document information Info Content Keywords TEA1721 isolated 3 phase universal mains AC DC conversion flyback converter Switched Mode Power Supply SMPS Abstract This user manual describes the application of the TEA1721ADB1062 demo board The demo board is designed as an isolated 24 V 5 V and 3 3 V AC DC SMPS for supplying up to 5 W into a load NXP Semiconductors U M1 0520 Isolated 3 phase universal mains flyback converter demo board Revision history Rev Date Description v 1 2 20130515 updated issue Modifications Figure 5 TEA1721 3 phase SMPS circuit diagram has been updated v 1 1 20130501 updated issue v 1 20120123 first issue Contact information For more information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com UM10520 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 2 15 May 2013 2 of 17 NXP Semiconductors U M1 0520 Isolated 3 phase universal mains flyback converter demo board 1 Introduction WARNING Lethal voltage and fire ignition hazard The non insulated high voltages that are present when operating this product constitute a risk of electric shock personal injury death and or ignit
7. ZG03 C200 SMA BZG03 C200 NXP Semiconductors D12 BZG03 C200 SMA BZG03 C200 NXP Semiconductors D13 BZG03 C240 SMA BZG03 C240 NXP Semiconductors D14 BZG03 C240 SMA BZG03 C240 NXP Semiconductors D15 BZX384 C13 SOD323 BZX384 C13 NXP Semiconductors D16 S1M SMA S1M D17 BAS316 500323 BAS316 NXP Semiconductors D18 BYG22D SMA BYG22D D19 PMEG4050EP SOD128 PMEG4050EP NXP Semiconductors D20 PMEG3050EP SOD128 PMEG3050EP NXP Semiconductors D21 BZX384 C3V6 SOD323 BZX384 C3V6 NXP Semiconductors D22 BZX384 C5V6 SOD323 BZX384 C5V6 NXP Semiconductors UM10520 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 2 15 May 2013 11 of 17 NXP Semiconductors UM10520 Table 4 Demo board components continued Isolated 3 phase universal mains flyback converter demo board Reference D23 IC1 L1 L2 Q1 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 T1 Description and value BZX384 C30 SOD323 TEA1721 SO7 2 x 25 mH 80 mA 500 V AC 1 mH 80 mA STD3NK60Z IPAK carbon resistor 33 O carbon resistor 33 O carbon resistor 33 O carbon resistor 33 10 0 25 W 1206 10 0 25 W 1206 680 kO 0 125 W 1206 680kQ 0 125 W 1206 680kQ 0 125 W 1206 100 0805 4 7 1 0805 100 kQ 0 5 W 1206 470 Q 0805 1 8 0 25 W 1206 25 5 1 96 1206 10 0 0805 5 6 0805 12
8. capacitors when the feature is not needed Capacitor C16 is a Y capacitor If theT1 transformer construction provides the required EMI performance without the use of capacitor C16 omit the capacitor Additional high surge protection using MOVs V1 to V4 is implemented using the dedicated companion circuit in the front end Depending on the application requirements fuses F1 to F4 can be included in the circuit as required The MOVs must be DC rated at approximately 400 V For example S10K320 Additional Power Line Communication PLC decoupling can be implemented when the SMPS is used in combination with a PLC transceiver module For example in e metering applications Depending on the frequency band choose the value for L1 1 to L1 4 Typically the inductor values range between a few hundred uH up to several mH UM10520 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 2 15 May 2013 13 of 17 NXP Semiconductors U M1 0520 Isolated 3 phase universal mains flyback converter demo board 10 Board layout A 61 mm x 59 7 mm sized evaluation PCB was created that accommodates an implementation of the TEA1721 3 phase SMPS Ore 72x 3 phase HV EN demo board c3 dix Cre s 22 23 124 002101 a Top silk screen plus top component placement and drill pattern NXP Ji DIS DII resi er B
9. conductors U M1 0520 Isolated 3 phase universal mains flyback converter demo board 4 Demo board connections The isolated 3 phase flyback demo board has an input and an output terminal block The input terminal block left on the picture is connected to the utility mains Either 1 2 or 3 phases can be connected using 2 3 or 4 wires respectively The input wires L1 L2 L3 and N can be connected to the terminals of the left terminal block randomly The output terminal block provides the 24 V DC 5 V DC and 3 3 V DC output voltages all referenced to a common ground GND Remark Mount the board in a shielded or isolated box for demonstration purposes aaa 002095 HVSMPS Z demo board _ version 1 01 Fig 3 TEA1721 demo board connections UM10520 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 2 15 May 2013 7 of 17 NXP Semiconductors U M1 0520 Isolated 3 phase universal mains flyback converter demo board 5 Operation and performance UM10520 5 1 5 2 Basic operation of the IC is described in the NXP Semiconductors TEA1721 data sheets No load power consumption Table 2 Typical no load power consumption Power supply Energy Star 2 0 requirement No load power consumption 115 V AC 60 Hz 300 mW 36 mW 230 V AC 50 Hz 300 mW 38 mW The typical no load power consumpti
10. ends zu ERO E n D6 04 002102 b Bottom copper and bottom silk screen plus component placement Fig 7 PCB layout The bottom silk screen is normally not used in PCB production Merged with the bottom copper it is shown here as a component placement reference only See Table 4 for a list of components UM10520 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 2 15 May 2013 14 of 17 NXP Semiconductors UM10520 Isolated 3 phase universal mains flyback converter demo board Table 5 Drill tool table Drill tool code D E M Drill diameter 1mm 0 9 mm 1 3 mm 0 8 mm Gerber files are available from your local NXP Semiconductor sales representative on request 11 Abbreviations Table 6 Abbreviations Acronym EMC EMI MOSFET OCP OPP OVP OLP PCB PFC SMPS ZVS Description ElectroMagnetic Compatibility ElectroMagnetic Interference Metal Oxide Semiconductor Field Effect Transistor OverCurrent Protection OverPower Protection OverVoltage Protection Open Loop Protection Printed Circuit Board Power Factor Correction Switched Mode Power Supply Zero Voltage Switching 12 References UM10520 1 TEA1721XT Ultra low standby SMPS controller with integrated power switch 2 AN11060 TEA172X 5 W to 11 W power supply USB charger All information pro
11. ion of fire This product is intended for evaluation purposes only It shall be operated in a designated test area by personnel qualified according to local requirements and labor laws to work with non insulated mains voltages and high voltage circuits This product shall never be operated unattended This user manual describes the application of the TEA1721ADB1062 demo board The demo board is designed as an isolated 24 V 5 V and 3 3 V AC DC SMPS for supplying up to 5 W to a load On the input side single phase 2 phase or 3 phase Universal Mains power can be connected The switch mode converter operates in flyback mode at a maximum frequency of around 50 kHz Overcurrent and short circuit protection are built in The power consumption is below 50 mW under no load conditions EMI filtering and surge protection using TVS diodes is implemented in this circuit This application is intended as a 3 phase low power SMPS which is especially suited for 3 phase industrial and multi phase e metering SMPS applications Do not exceed an RMS input voltage of 560 V AC across any combination of the J1 x connectors 560 V AC corresponds to a maximum instantaneous voltage difference of 800 V An additional high surge protection using MOVs can be implemented if necessary 1 1 Features and benefits Compatible with 3 phase universal mains Tolerant with respect to missing neutral Inrush current limitation EMI filtering to meet EMC
12. l extensions aaa 002099 F4 J1 4 F3 J1 3 F2 Joe b High surge protection extension aaa 002100 All information provided in this document is subject to legal disclaimers NXP B V 2013 AII rights reserved User manual Rev 1 2 15 May 2013 10 of 17 NXP Semiconductors U M1 0520 Isolated 3 phase universal mains flyback converter demo board 8 PCB components Table 4 Demo board components Reference Description and value Part number Manufacturer C1 100 nF 1 kV C2 10 nF 1 kV C3 electrolytic capacitor 22 uF 400 V C4 electrolytic capacitor 22 uF 400 V C5 100 nF 500 V 1812 C6 100 nF 500 V 1812 C7 10 pF 25 V 0805 C8 220 pF 500 V 1206 C9 ceramic capacitor 1 uF 50 V 1206 C10 electrolytic capacitor 1 mF 6 3 V C11 100 nF 25 V 0805 C12 electrolytic capacitor 470 uF 10 V C13 100 nF 25 V 0805 C14 electrolytic capacitor 100 uF 35 V 15 100 nF 50 V 0805 C16 Y capacitor 2 2 nF 1 kV D1 S1M SMA S1M or equivalent D2 S1M SMA S1M or equivalent D3 S1M SMA S1M or equivalent D4 S1M SMA S1M or equivalent D5 S1M SMA S1M or equivalent D6 S1M SMA S1M or equivalent D7 S1M SMA S1M or equivalent D8 S1M SMA S1M or equivalent D9 BZG03 C200 SMA BZG03 C200 D10 BZG03 C200 SMA BZG03 C200 NXP Semiconductors D11 B
13. m s described herein may be subject to export control regulations Export might require a prior authorization from competent authorities Evaluation products This product is provided on an as is and with all faults basis for evaluation purposes only NXP Semiconductors its affiliates and their suppliers expressly disclaim all warranties whether express implied or statutory including but not limited to the implied warranties of non infringement merchantability and fitness for a particular purpose The entire risk as to the quality or arising out of the use or performance of this product remains with customer In no event shall NXP Semiconductors its affiliates or their suppliers be liable to customer for any special indirect consequential punitive or incidental damages including without limitation damages for loss of business business interruption loss of use loss of data or information and the like arising out the use of or inability to use the product whether or not based on tort including negligence strict liability breach of contract breach of warranty or any other theory even if advised of the possibility of such damages Notwithstanding any damages that customer might incur for any reason whatsoever including without limitation all damages referenced above and all direct or general damages the entire liability of NXP Semiconductors its affiliates and their suppliers and customer s exclusive remedy for all
14. of the foregoing shall be limited to actual damages incurred by customer based on reasonable reliance up to the greater of the amount actually paid by customer for the product or five dollars US 5 00 The foregoing limitations exclusions and disclaimers shall apply to the maximum extent permitted by applicable law even if any remedy fails of its essential purpose Safety of high voltage evaluation products The non insulated high voltages that are present when operating this product constitute a risk of electric shock personal injury death and or ignition of fire This product is intended for evaluation purposes only It shall be operated in a designated test area by personnel that is qualified according to local requirements and labor laws to work with non insulated mains voltages and high voltage circuits The product does not comply with IEC 60950 based national or regional safety standards NXP Semiconductors does not accept any liability for damages incurred due to inappropriate use of this product or related to non insulated high voltages Any use of this product is at customer s own risk and liability The customer shall fully indemnify and hold harmless NXP Semiconductors from any liability damages and claims resulting from the use of the product Translations A non English translated version of a document is for reference only The English version shall prevail in case of any discrepancy between the translated and English
15. on of the TEA1721 3 phase SMPS exceeds the Energy Star 2 0 level V requirement by nearly a factor of 10 Efficiency Table 3 Typical efficiency data Parameter Energy Star Efficiency 2 0 level V average 25 load 50 load 75 load 100 load 115 V 60 Hz 723 76 7 77 6 78 5 76 7 74 1 230 V 50 Hz 72 3 79 6 79 1 80 7 79 9 78 7 The typical efficiency of the TEA1721 3 phase SMPS exceeds the Energy Star 2 0 level V requirement by more than 5 on average Efficiency was measured by having a load on the 24 V output only All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 2 15 May 2013 8 of 17 NXP Semiconductors UM10520 6 Test results Isolated 3 phase universal mains flyback converter demo board 6 1 ElectroMagnetic Interference EMI was measured with 4 W load 80 load on the joint outputs of the TEA1721 3 phase SMPS Measurement results are shown in Figure 4 The TEA1721 3 phase SMPS is EMC compliant according to EN55022 and the margin with respect to the limits is more than 10 dB Fig 4 TE j l e feet tt ff 79 ze mE 7 aec dap a E II LEES ae E a then mr i m WA MW ui
16. pliance board dimensions 85 V AC to 560 V AC 2 phase or 3 phase 50 V AC to 320 V 24 V DC 5 V DC and 3 3 V DC 24 V 2 200mA 5 V 300 mA 3 3 V 300 mA 5W 5 96 5 96 76 7 at 115 V 60 Hz 79 6 230 V 50 Hz 40 to 85 EN 55022 82 mm x 62 mm x 35 mm supplied to any pair of the J1 x terminals assuming 120 phase angle The Phase and the Neutral wires from the mains utility system can be connected randomly to the J1 x terminals supplied from connectors J2 1 24 V GND J2 2 5V J2 3 3 3 V J2 4 0 V GND depends primarily on the accuracy of the secondary winding construction of transformer T1 strongly depends on the magnetic coupling of the secondary and auxiliary winding of transformer T1 LxBxH 1 Each phase measured between the neutral and the phase wire UM10520 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 2 15 May 2013 5 of 17 NXP Semiconductors U M1 0520 Isolated 3 phase universal mains flyback converter demo board ai HVSMPS demo board version 1 01 aaa 002093 a Front view b Back view Fig 2 Photographs of the board UM10520 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 2 15 May 2013 6 of 17 NXP Semi
17. requirements of EN55022 ESD protection on the TEA1721 Optional high surge protection companion circuit option Power Line Communication PLC decoupling extension UM10520 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 2 15 May 2013 3 of 17 NXP Semiconductors U M1 0520 Isolated 3 phase universal mains flyback converter demo board 2 Safety warning UM10520 The demo board is powered by AC mains voltage Avoid touching the board when power is applied An isolated housing is obligatory when used in uncontrolled non laboratory environments Always provide galvanic isolation of the mains phase using a variable transformer The following symbols identify isolated and non isolated devices 019aab173 019aab174 a Isolated b Non isolated Fig 1 Isolated and non isolated symbols All information provided in this document is subject to legal disclaimers NXP B V 2013 AII rights reserved User manual Rev 1 2 15 May 2013 4 of 17 NXP Semiconductors UM10520 3 Specification Isolated 3 phase universal mains flyback converter demo board Table 1 Demo board specification Parameter Value Comment AC line input voltage single phase output voltage maximum output current maximum output power output voltage accuracy output voltage stability efficiency operating temperature EMC Com
18. t such damages are based on tort including negligence warranty breach of contract or any other legal theory Notwithstanding any damages that customer might incur for any reason whatsoever NXP Semiconductors aggregate and cumulative liability towards customer for the products described herein shall be limited in accordance with the Terms and conditions of commercial sale of NXP Semiconductors Right to make changes NXP Semiconductors reserves the right to make changes to information published in this document including without limitation specifications and product descriptions at any time and without notice This document supersedes and replaces all information supplied prior to the publication hereof Suitability for use NXP Semiconductors products are not designed authorized or warranted to be suitable for use in life support life critical or safety critical systems or equipment nor in applications where failure or malfunction of an NXP Semiconductors product can reasonably be expected to result in personal injury death or severe property or environmental damage NXP Semiconductors and its suppliers accept no liability for inclusion and or use of NXP Semiconductors products in such equipment or applications and therefore such inclusion and or use is at the customer s own risk Applications Applications that are described herein for any of these products are for illustrative purposes only NXP Semiconductors makes no
19. versions 13 3 Trademarks Notice All referenced brands product names service names and trademarks are the property of their respective owners NXP B V 2013 AII rights reserved User manual Rev 1 2 15 May 2013 16 of 17 NXP Semiconductors UM10520 Isolated 3 phase universal mains flyback converter demo board 14 Contents po OOND L h i on 13 1 13 2 13 3 14 Introduction 3 Features and benefits 3 Safety 4 Specification 5 Demo board connections 7 Operation and performance 8 No load power consumption 8 EMMCIONCY sc e220 edad od dowi 8 Test 9 ElectroMagnetic Interference 9 Demo board schematic 10 PCB 11 Optional modifications implementation 13 Board 14 Abbreviations 15 References 15 Legal information 16 5 16 16 Trademarks 16
20. vided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 2 15 May 2013 15 of 17 NXP Semiconductors UM10520 Isolated 3 phase universal mains flyback converter demo board 13 Legal information 13 1 Definitions Draft The document is a draft version only The content is still under internal review and subject to formal approval which may result in modifications or additions NXP Semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information 13 2 Disclaimers Limited warranty and liability Information in this document is believed to be accurate and reliable However NXP Semiconductors does not give any representations or warranties expressed or implied as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information NXP Semiconductors takes no responsibility for the content in this document if provided by an information source outside of NXP Semiconductors In no event shall NXP Semiconductors be liable for any indirect incidental punitive special or consequential damages including without limitation lost profits lost savings business interruption costs related to the removal or replacement of any products or rework charges whether or no

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