5 4 3 2 1 LAN7500 Customer Evaluation Board Assy 6588 D D PCB Revision A Schematic Revision 1.1 Design Details Board: Assy 6588 Chip: SMSC LAN7500 Circuit Diagrams utilizing SMSC Products Are Included As A Means Of Illustrating Typical Semiconductor Applications: Consequently Complete Information Sufficient For Construction Purposes Is Not Necessarily Given. The Information Has Been Carefully Checked And Is Believed To Be Entirely Reliable. However, No Responsibility Is Assumed For Inaccuracies. Furthermore, Such Information Does Not Convey To The Purchaser Of The Semiconductor Devices Described Any License Under The Patent Rights Of SMSC Or Others. SMSC Reserves The Right To Make Changes At Any Time In Order To Improve Design And Supply The Best Product Possible. Board Form Factor: USB / Ethernet Stand-Alone PCB C Assembly: 56 Lead QFN w/ Exposed GND Pad Revision History ITEM BLOCK DIAGRAM Rev 1.0: C Page(s) Title Page 1 LAN7500, Ethernet, USB, Magnetics, EEPROM, Power 2 Initial release, Rev A Rev 1.0 to 1.1: B Page 2: Removed 1.0M crystal circuit parallel resistor (R20). Page 2: Correction to LAN7500 part number reference. B A A Title LAN7500 USB 2.0-to-10/100/1000 Ethernet Customer EVB Size C Date: 5 4 3 2 Engineer Assembly No. R. W. 6588 Wednesday, November 04, 2009 1 PCB Rev Schematic Rev A Sheet 1.1 1 of 2 5 4 LEDS 3 2 1 LAN7500 + Ethernet VDD12USBPLL +2.5VA +2.5V VDD12CORE FB1 VDD12PLL VDD12A VDDVARIO VDD33A 1 nRESET/PME_CLEAR EEPROM Enable Jumper EECLK EEDI EEDO EECS JP3 EECS 1 42 2 EECS_J TR3P TR3N 55 54 TR3P TR3N 26 27 28 29 EECLK EEDI EEDO EECS 1 SW_MODE 1 2 1 2 1 2 1 2 18 CT 9 - - 16 5 + + 20 4 CT CT 21 6 - - 19 2 + + 23 CT 24 - 22 CT USBDP USBDM 3 - 1.00M 1 2 1 6 5 C7 30pF 50V 5% 3 XO XI TG1G-S002NZRL DNP DNP DNP DNP C3 C4 C5 C6 0.022uF 0.022uF 0.022uF 0.022uF Y1 25MHz C8 30pF 50V 5% P1 1 2 3 4 5 6 7 8 RJ1 RJ2 RJ3 RJ4 RJ5 RJ6 RJ7 RJ8 GND GND 11 12 MTG1 MTG2 9 10 Stewart SS-6488S-A-NF SS-6488S-A-NF R21 75.0 1/10W 1% R22 75.0 1/10W 1% R26 NOTE: C3-C6 are optional. In an EMI constrained environment, populate these capacitors. These components must be placed close to the transformer. 5 MMCX 4 CT 7 13 12 57 LAN7500 17 USBDP USBDM 1 SW_MODE + VBUS_DET 2 9 13 + 1 DNP TEST TDO TMS TCK TDI 8 VBUS_DET 2 39 4 3 2 1 - 14 R20 2 TEST TDO TMS TCK TDI 15 - 16 GND/EP C 1 2 12 USBRBIAS 1x2 R25 0 2 1 1 R19 12.0K 1/10W 1% nRESET/PME_CLEAR 2 2 TR2P TR2N 14 1 R18 52 51 + CT R23 75.0 1/10W 1% R24 75.0 1/10W 1% 2 332 TR2P TR2N CT 1 LED4 Green LED 2 47 46 + 10 2 1 TR1P TR1N TR1P TR1N 11 3 C 1 2 T1 1 2 C9 1000pF 2kV -20% +80% 0 1210 2 GPIO0/LED0 1 R11 0 1 R12 R17 0 2 332 SPD0 R16 0 1 LED5 Green LED 2 R10 0 2 1 R9 49.9 1/10W 1% 1 2 2 R8 49.9 1/10W 1% 2 GPIO1/LED1 1 GPIO11 GPIO10 GPIO9 GPIO8 GPIO7 GPIO6/PME_MODE_SEL GPIO5/PME GPIO4/LED4 GPIO3/LED3 GPIO2/LED2 GPIO1/LED1 GPIO0/LED0 TR0P TR0N R7 49.9 1/10W 1% 1 SPD1 25 22 21 18 10 40 38 35 34 33 32 31 1 44 43 R6 49.9 1/10W 1% 2 GPIO11 GPIO10 GPIO9 GPIO8 GPIO7 GPIO6/PME_MODE_SEL GPIO5/PME GPIO4/LED4 GPIO3/LED3 GPIO2/LED2 GPIO1/LED1 GPIO0/LED0 R13 41 TR0P TR0N R5 49.9 1/10W 1% 1 332 ETHRBIAS R15 49.9 1/10W 1% 1 LED3 Green LED 2 R4 49.9 1/10W 1% 2 1 R3 49.9 1/10W 1% 2 2 15 7 19 24 37 45 48 53 56 49 50 17 LNKA/ACT_ONLY GPIO2/LED2 1 C2 0.1uF 16V 10% D R14 8.06K 1/10W 1% 2 R2 1 2 332 2 1 VDD33A 2 LED2 Green LED VDDVARIO VDDVARIO VDDVARIO VDDVARIO GPIO3/LED3 1 VDD12A VDD12A VDD12A VDD12A LNK D VDD12BIAS VDD12PLL U1 R1 1 2.0amp 220 Ohm 100MHz C1 0.01uF 50V 10% 2 332 VDD12USBPLL 1 8 11 20 23 30 36 2 LED1 Green LED VDD12CORE VDD12CORE VDD12CORE VDD12CORE VDD12CORE VDD12CORE GPIO4/LED4 1 1 2 FDUPLEX 1 VDD12CORE 2 +3.3V 1 2 0.5amp 120 Ohm 100MHz R37 0 MTG3 MTG4 1 1 NC VDDVARIO J6 SW_MODE_R Plated Hole w_GND Plated Hole w_GND nTRST TDO TDI TMS TCK 1 2 3 4 5 6 NC R38 1 2 10.0K R40 R42 R43 1 1 1 2 10.0K 2 10.0K 2 10.0K 1 R44 GND 2 C14 22uF 16V 10% POWER SUPPLY USB Type-B Right Angle AMP_292304-1 + - R41 100K 1/10W 1% C15 0.1uF 25V 10% 1 1x3 1 S S S C16 0.1uF 10V 10% G SHLD1 SHLD2 S1 3 1 GND 5 6 F1 3A FUSE_SMF GND INT C17 1.0uF 16V 10% B R45 1 2 10.0K 2 332 1 1x6 2 4 3 8 7 6 5 2 SW_MODE DD+ 2 D D D D 2 B C13 1 0.1uF 10V +V 2 3 Q1 4 1 +3.3V USBDM USBDP 3 2 1 2 1x2 +1.2V C12 0.1uF 10V 10% 2 1x2 R36 61.9K 1/10W 1% 1 1 TP3 1 1x2 #3 Plated Hole w_GND +2.5V Plated Hole w_GND 39.2K 1/10W 1% 1x3 IRF7424 VCC 2 1 1 1 1 TP2 1 2 2 3 J4 1 2 1 2 J5 1 2 P2 R35 3 +5V_FUSE SPDT_TINY_TOG J3 VBUS_DET2 C11 0.01uF 50V 10% DNP +3.3V +5V JP2 P3 1 NC +1.2V VCC_USB 2 NC +2.5V 1 1 MTG2 1 2 MTG1 1 1 JP1 C10 1.0uF 16V 10% 825 2 2 R34 Input Power 2 +3.3V 1 2 LED6 Green LED VCC_USB FB2 1 1 R27 402 1/10W 1% Upstream 2 GPIO1/LED1 R29 GPIO3/LED3 R28 J2 VDDVARIO VDDVARIO 2x8 2 0 GPIO0/LED0 4 GPIO0 R31 0 GPIO2/LED2 R33 6 GPIO2 R30 0 GPIO4/LED4 10.0K 8 GPIO4 R32 1/10W 10 GPIO6/PME_MODE_SEL 1% 12 GPIO8 14 GPIO10 TP1 16 1 nRESET/PME_CLEAR 1 1 0 GPIO1 3 0 GPIO3 5 GPIO5/PME 7 GPIO7 9 GPIO9 11 GPIO1113 15 2 1 +3.3V 2 VDDVARIO Misc. 1 J1 DNP R39 GND_USB 2 0 GND_USB uWire EEPROM Power +2.5V 1 1 L2 2 MODE GND GND_EPAD 8 11 C27 22pF 50V 5% 2 C42 0.47uF 6.3V 10% 2 1 2 EECS_J 1 CS R54 360K 1/16W 1% C28 10uF 6.3V 20% 348K 1/16W 1% 1 DO 4 NC NC 6 7 EEDI 2 SK VCC DI 2 VDDVARIO C29 0.1uF 10V 10% U2 93AA66A-I/SN SOIC-8 2 A +3.3V R55 115K 1/16W 1% 1 VIN VEN NC NC 2 C43 0.47uF 6.3V 10% Title 2 R56 6 4 2 05 LP5900SD-3.3 LLP-6 150mA VOUT 1 3 7 0.5amp 120 Ohm 100MHz C41 0.1uF 16V 10% VR2 GND PAD +5V 2 8 2.2uH 3 EECLK 1 1 EEDO R49 10.0K 1/16W 1% 2 10 C26 10uF 6.3V 20% GND SW2 ADJ2 2 EN2 R48 360K 1/16W 1% R52 1 0 SW_MODE_R 1 2.2uH 2 2 5 1 L1 0 9 2 C40 0.1uF 16V 10% 2 2 C39 0.1uF 16V 10% 1 1 1 1 C38 0.1uF 16V 10% 2 C37 0.1uF 16V 10% 2 C36 0.1uF 16V 10% 2 2 C35 0.1uF 16V 10% 1 1 1 1 C34 10uF 6.3V 20% 2 C33 0.1uF 16V 10% 2 2 2 1 1 1 1 2 C32 0.1uF 16V 10% DEF1 EN1 FB6 1 C31 0.1uF 16V 10% R47 SW1 6 +1.2V VDD12PLL C30 0.1uF 16V 10% 0 7 R51 DNP VDD12CORE R53 0 R50 4 5 2 C24 0.1uF 16V 10% 0.5amp 120 Ohm 100MHz C25 0.1uF 16V 10% C18 4.7uF 16V 10% 0805 EECS_J VDDVARIO 2 2 FB1 VIN 1 1 1 VDDVARIO C23 0.1uF 16V 10% 2 C22 0.1uF 16V 10% 2 2 C21 0.1uF 16V 10% 1 1 1 1 C20 0.1uF 16V 10% 2 2 C19 0.1uF 16V 10% 2 0.5amp 120 Ohm 100MHz 0 1 FB5 1 1 0.5amp 120 Ohm 100MHz +2.5V FB4 2 3 +3.3V 1 R46 1 A VDD12USBPLL VDD33A 2 FB3 VDD12CORE +1.2V 1 +1.2V 2 VDD12A 1 +1.2V VR1 +1.2V TPS62410 SON10_EP 1 +5V 2 Power Supply Filtering LAN7500, Ethernet, USB, Magnetics, EEPROM, Power Size C Date: 5 4 3 2 Engineer Assembly No. R. W. 6588 Wednesday, November 04, 2009 1 PCB Rev Schematic Rev A Sheet 1.1 2 of 2