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Microsemi Proprietary and Confidential. PD70201EVB25F-D-5 User Guide Revision v1.0

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Isolated Flyback Converter Evaluation Board

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Schematic

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Schematic

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Содержание Microsemi PD70201EVB-25F-D-5

Страница 1: ...PD70201EVB 25F D 5 User Guide 25W Isolated Flyback Converter Evaluation Board October 2019 ...

Страница 2: ...EvaluationBoardConnectors 3 2 2 1 RJ45Connectors 4 2 2 2 OutputConnector 4 2 3 PhysicalCharacteristics 5 2 4 ElectricalCharacteristics 5 2 5 Typical Performance 6 2 5 1 Efficiency at full load 5A 6 2 5 2 Efficiency vs load at 48V input 6 2 5 3 Load Regulation 6 2 5 4 Step load response 7 3 Installation 8 3 1 InitialConfiguration 8 4 Schematic 9 5 Bill of Materials 10 6 Board Layout 13 7 Evaluation...

Страница 3: ...r Guide Revision 1 0 1 1 Revision History The revision history describes the changes that were implemented in the document The changes are listed by revision starting with the most current publication 1 1 Revision 1 0 Revision 1 0 was published in October 2019 It was the first publication of this document ...

Страница 4: ...pe 2 HDBT Yes Yes PD70224 IEEE 802 3at Type 2 HDBT No Yes Microsemi s PD70201EVB 25F D 5 Evaluation Board provides designers with the environment needed for evaluating the performance and implementation of PD applications based on the PD70201 device The board uses a single PD device PD70201ILQ to support the Detection Classification and Powering phases on the 2 4 pairs of the Cat5 cable PD70201ILQ...

Страница 5: ...ta and Power Input Data Output Output voltage connector On board AT detected LED indicator Pulse transformer for routing the data to PD application to enable full PD evaluation Wide input voltage range Evaluation Board working temperature 0 C to 70 C RoHS compliant 2 2 Evaluation Board Connectors The evaluation board connectors are listed in the following table Table 2 Connector Details Connector ...

Страница 6: ...t_Pos 3 DATA Vport_Pos DATA Vport_Neg 4 SPARE Vport_Pos 5 SPARE Vport_Pos 6 DATA Vport_Pos DATA Vport_Neg 7 SPARE Vport_Neg 8 SPARE Vport_Neg Manufacturer Bel Stewart Manufacturer part number 08261X1TGH F or equivalent 2 2 2 Output Connector An external load is connected to the evaluation board using the output connector J1 The pinout of the output connector is described in the following table Tab...

Страница 7: ...lectrical characteristics of the evaluation board Table 5 Electrical Characteristics Min Max Unit Input Con J3 36 57 V Output voltage 4 8 5 25 V Maximum Output Current 5 A Port Isolation to Chassis 1 5 kVrms Ambient temperature 40 50 oC Note to operate evaluation board from 50 oC to 70 oC an external heatsink not supplied has to be attached to the board via a thermally conductive conformal insulat...

Страница 8: ...1 0 6 2 5 Typical Performance 2 5 1 Efficiency at full load 5A 2 5 2 Efficiency vs load at 48V input 2 5 3 Load Regulation Output voltage vs load current 90 0 90 5 91 0 91 5 40 45 50 55 60 Input Voltage V Full Load Efficiency vs Input Voltage 84 85 86 87 88 89 90 91 92 0 1 2 3 4 5 Load curent amps Efficiency at 48V vs Load ...

Страница 9: ...tary and Confidential PD70201EVB25F D 5 User Guide Revision v1 0 7 2 5 4 Step load response Output voltage response to continuous load transients from 2A to 5A 4 500 4 600 4 700 4 800 4 900 5 000 5 100 5 200 5 300 5 400 5 500 0 1 2 3 4 5 Load Regulation Load amps ...

Страница 10: ...r source is turned OFF before all peripheral devices are connected 3 1 InitialConfiguration Note Prior to starting any operation it is important to verify that the evaluation board is setup as shown in the following figure Connect load to the board using J1 Connect a Cat5 cable from PSE or a DC power supply to evaluation board using input connector J3 Figure 3 Test Setup ...

Страница 11: ...Microsemi Proprietary and Confidential PD70201EVB25F D 5 User Guide Revision v1 0 9 Isolated Flyback Converter Evaluation Board 4 Schematic Figure 4 Schematic ...

Страница 12: ...V X7R 1210 JMK325B7476MMHPR Taiyo Yuden C104 47uF CAP CER 47UF 6 3V X7R 1210 JMK325B7476MMHPR Taiyo Yuden 10 1 C65 1n CAP CRM 1nF 2000V 10 X7R 1206 SMT 1206B102K202CT Walsin 11 1 C67 3 3nF CAP 470NF 10V X7R 10 0603 ECJ1VB1C332K Panasonic 12 2 C77 100nF CAP CRM 100nF 100V 10 X7R 1206 SMT GRM188R72A104KA35D Murata C110 100nF CAP CRM 100nF 100V 10 X7R 1206 SMT GRM188R72A104KA35D Murata 13 1 C92 82nF ...

Страница 13: ... R31 549K Resistor 549K 1 1 16W 0402 MCR01MZPF5493 Rohm R64 549K Resistor 549K 1 1 16W 0402 MCR01MZPF5493 Rohm 42 1 R34 43 2K RES 43 2K 100mW 0603SMT 1 ERJ3EKF4322V Panasonic 43 2 R44 0 18 RES TCK FLM 0 18R 0 1W 1 0603 SMT ERJ3RSFR18V Panasonic R51 0 18 RES TCK FLM 0 18R 0 1W 1 0603 SMT ERJ3RSFR18V Panasonic 44 1 R53 1K RES 1K 62 5mW 1 0603 SMT MTL FLM ERJ3EKF1001V Panasonic 45 1 R55 5 11k RES SMT...

Страница 14: ...yback Converter Evaluation Board ohm 62 1 U13 PD70201 AT POE PD controller for IEEE 802 3 PD70201 PD70201ILQ TR Microsemi 63 1 U16 PD70224 Ideal Diode Bridge dual 6x8 SMT PD70224 PD70224ILQ TR Microsemi Notes Third party components can be replaced by approved equivalents N C not installed optional ...

Страница 15: ...solated Flyback Converter Evaluation Board 6 Board Layout This section provides the layout of the evaluation board The board is a four layer board with 2 Oz copper The following figures represent the silk of the board for tracking devices placements Figure 5 Top Silk Figure 6 Bottom Silk ...

Страница 16: ...uide Revision v1 0 14 Isolated Flyback Converter Evaluation Board 7 Evaluation board ordering information Table 9 Evaluation Board Ordering Information Ordering Number Description PD70201EVB 25F D 5 IEEE802 3AT Type 2 PD based on PD70201 device with a 5V 5A output ...

Страница 17: ...ervices Microsemi is headquartered in Aliso Viejo California and has approximately 4 800 employees globally Learn more at www microsemi com Microsemi makes no warranty representation or guarantee regarding the information contained herein or the suitability of its products and services for any particular purpose nor does Microsemi assume any liability whatsoever arising out of the application or u...

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