5 4 3 2 1 REVISION HISTORY ECO REV _ 2 _ 2a _ 2b _ 2c VDD RL1 1.0K HI VDD RED VDD D FOR HIGH SURGE ENVIRONMENTS ADD A 10 OHM, 0805 RESISTOR SCL AT THIS LOCATION E14 S2 SD1 S3 SD2 S4 S5 SD4 3/28/13 DILIAN R. 12/8/15 SURGE RESISTOR VDD 1 JP4 HI 2 3 R10 SDAOUT 10/5/11 DILIAN R. SD3 SDAIN SDAOUT DILIAN R. T1-T4 OPTION D SCL SDAIN PWR LEVEL UPDATE 8 7 6 5 INT R2 10K DATE 5/4/11 ADDRESS INT R1 10K APPROVED DILIAN R. PRODUCTION LO S1 1 2 3 4 AD0 AD1 AD2 AD3 D6 DESCRIPTION LO VDD AUTO 1 JP5 HI 2 10 3 S6 LO CLD1 R5 100K CCLM2700 J3 VEE (-) R14 4.7K 1206 R25 4.7K 1206 34 MSD RESET MID 35 33 AUTO 16 15 14 17 SD4 SD3 SD2 AD3 AD2 AD1 AD0 MSD C D3 SMAJ58A OUT 4 21 SENSE 4 GATE 4 20 19 OUT 3 SENSE 3 GATE 3 24 23 22 29 OUT 2 GATE 2 28 SENSE 2 OUT 1 27 SENSE 1 GATE 1 32 C22 0.22uF X7R 100V 1206 D8 S1B 100V 0805 R15 4.7K 1206 SD1 4 5 6 7 37 INT SCL VEE VEE 39 VEE C64 1uF 26 Q5 ZXTP19100CG D18 5.0SMDJ60A S7 LTC4266AIUHF D23 5.6V 18 D20 5.0SMDJ60A D7 VDD AMBER C66 1uF 100V 0805 RESET U1 DGND 31 3 C2 10uF 100V 1 + 10 30 R13 1.0K 3.9V MAIN SUPPLY IN ( 55V to 57V ) C65 0.1uF AGND D1 D5 VEE AMBER VDD 38 SCL 13 AGND (+) 3 1 VDD R9 1 C SDAOUT (-3.3V) E1 J2 SDAIN AGND 25 DGND E10 36 E9 VDD MID AUTO MID C36 0.22uF X7R 100V 1206 D9 S1B C47 0.22uF X7R 100V 1206 D10 S1B C58 0.22uF X7R 100V 1206 E8 D11 S1B AGND Q1 RS1 0.25 OUT1 CSRN2512FKR250 VEE FDMC86102 VEE C5 E2 RS2 0.25 1000pF C6 OUT1 VEE OUT2 1808 2KV B E3 D24 S1B Q2 CSRN2512FKR250 FDMC86102 1000pF D25 S1B Q3 RS3 0.25 1808 2KV B E4 OUT2 VEE OUT3 CSRN2512FKR250 FDMC86102 D26 S1B Q4 RS4 0.25 E5 OUT3 VEE OUT4 CSRN2512FKR250 FDMC86102 E6 D27 S1B NOTE: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE IN OHMS, 0603. ALL CAPACITORS ARE IN MICROFARADS, 0603. VEE OUT4 E7 AGND 2. INSTALL SHUNTS AS SHOWN. A A ASSEMBLY VERSION -WATT PSE -A 38.7W U1 LTC4266AIUHF-1 CUSTOMER NOTICE FB1 - FB16 LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. MPZ2012S102A -B 52.7W LTC4266AIUHF-2 MPZ2012S102A -C 70W LTC4266AIUHF-3 MPZ2012S102A -D 90W LTC4266AIUHF-4 FBMH4532HM132-T 5 APPROVALS TECHNOLOGY JK DILIAN R. TITLE: SCHEMATIC TM QUAD PORT LTPoE++ SIZE 4 THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 3 2 N/A SCALE = NONE 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only DATE: IC NO. PSE CONTROLLER LTC4266AIUHF FAMILY REV. 2 DEMO CIRCUIT 1815A Tuesday, December 08, 2015 SHEET 1 1 OF 3 5 4 2 1 2 3 4 RT1 5 6 7 8 1-5 1-6 1-7 1-8 RT2 12 13 75 10 15 11 14 75 RJ45 5569262-1 RT3 DATA IN RT4 75 75 9 16 7 18 8 17 6 19 4 21 5 20 3 22 1 24 2 23 CG1 1000pF 2kV 1808 RT5 75 CT1 0.01uF 0805 RT6 75 CT2 0.01uF 0805 RT7 75 CT3 0.01uF 0805 RT8 75 CT4 0.01uF 0805 FB2 15 16 17 18 PORT 1 2-5 2-6 2-7 2-8 3A, 1206 F3 C1Q 3 7-1 7-2 7-3 7-4 7-5 7-6 7-7 7-8 FB3 FB4 RT25 65 66 67 68 RT26 3-5 3-6 3-7 3-8 RT9 25 26 27 28 RT10 75 75 RJ45 5569262-1 RT11 DATA IN RT12 75 RT27 DATA IN 2 23 1 24 3 22 5 20 4 21 6 19 8 17 7 18 9 16 11 14 75 10 15 12 13 RT13 OUT2 31 32 33 34 75 CT5 0.01uF 0805 RT14 75 CT6 0.01uF 0805 RT15 75 CT7 0.01uF 0805 RT16 35 36 37 38 4-5 4-6 4-7 4-8 RT19 RT20 CG5 1000pF 2kV 1808 _ 2c PWR LEVEL UPDATE DILIAN R. 10/5/11 T1-T4 OPTION DILIAN R. 3/28/13 DILIAN R. 12/8/15 SURGE RESISTOR 21 6 19 8 17 7 18 9 16 14 75 10 15 12 13 OUT4 OUT4 75 CT13 0.01uF 0805 RT30 75 CT14 0.01uF 0805 RT31 75 CT15 0.01uF 0805 71 72 73 74 75 76 77 78 8-1 8-2 8-3 8-4 PORT 4 8-5 8-6 8-7 8-8 RJ45 5569262-1 RT32 FB13 F13 C1Q 3 RT29 POWER AND DATA OUT 75 CT16 0.01uF 0805 CG8 1000pF 2kV 1808 FB14 3A, 1206 FB15 C 3A, 1206 F15 C1Q 3 FB16 3A, 1206 3A, 1206 CG4 1000pF 2kV 1808 15 14 9 16 7 18 8 17 6 19 4 21 5 20 3 22 1 24 2 23 T3 121 122 123 124 125 126 127 128 129 RT21 75 CT9 0.01uF 0805 RT22 75 CT10 0.01uF 0805 RT23 75 CT11 0.01uF 0805 RT24 75 CT12 0.01uF 0805 51 52 53 54 55 56 57 58 S1 S2 S3 S4 S5 S6 S7 S8 S9 NOTE: FOR TEMPERATURE SENSITIVE 90W APPLICATIONS, TWO OF THE 749012013 MAY BE USED AS AN ALTERNATE TO EACH T1, T2, T3, and T4 WHICH HAS A HIGHER CURRENT RATING SHIELD B RJ45 5569262-1 6-1 6-2 6-3 6-4 PORT 3 6-5 6-6 6-7 6-8 RJ45 5569262-1 POWER AND DATA OUT CG6 1000pF 2kV 1808 FB10 FB9 F9 C1Q 3 T1,T2,T3,T4: WURTH 749022016 COILCRAFT ETH1-460L CONNECTOR SHIELDING FB8 3A, 1206 13 75 20 4 F16 C1Q 3 3A, 1206 11 75 5 J1-13 F7 C1Q 3 12 DATA IN 22 F14 C1Q 3 FB7 75 10 RJ45 5569262-1 3 PORT 2 J1-6 75 24 11 POWER AND DATA OUT J1-5 RT18 23 1 CG7 1000pF 2kV 1808 4-1 4-2 4-3 4-4 B 45 46 47 48 2b 75 CT8 0.01uF 0805 FB6 3A, 1206 F8 C1Q 3 5-5 5-6 5-7 5-8 2a _ DATE 5/4/11 3A, 1206 F6 C1Q 3 OUT2 _ APPROVED DILIAN R. PRODUCTION J1-8 2 RJ45 5569262-1 FB5 RT17 75 J1-4 F5 C1Q 3 41 42 43 44 75 3A, 1206 CG3 1000pF 2kV 1808 5-1 5-2 5-3 5-4 75 RJ45 5569262-1 T2 21 22 23 24 2 T4 61 62 63 64 RT28 3-1 3-2 3-3 3-4 _ DESCRIPTION D J1-7 3A, 1206 F4 C1Q 3 J1-3 REV POWER AND DATA OUT 3A, 1206 OUT1 OUT1 2-1 2-2 2-3 2-4 CG2 1000pF 2kV 1808 FB1 F1 C1Q 3 11 12 13 14 ECO RJ45 5569262-1 T1 F2 C1Q 3 C 1 REVISION HISTORY J1-2 J1-1 1-1 1-2 1-3 1-4 D 3 3A, 1206 FB11 F10 C1Q 3 3A, 1206 FB12 A A OUT3 OUT3 F11 C1Q 3 F12 C1Q 3 CUSTOMER NOTICE 3A, 1206 LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. 3A, 1206 TECHNOLOGY JK DILIAN R. TITLE: SCHEMATIC 5 4 3 2 N/A SCALE = NONE TM QUAD PORT LTPoE++ SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only APPROVALS DATE: IC NO. PSE CONTROLLER LTC4266AIUHF FAMILY DEMO CIRCUIT 1815A Tuesday, December 08, 2015 SHEET 2 1 REV. 2 OF 3 5 4 VDD R16 910K VDD 2 1 2 1 Q9 Si2343DS 3 1 D12 OUT1 GRN 1 3 R18 1.0K OUT2 R17 10M 2 Q11 Si2343DS 3 R8 1.0K OUT1 R7 10M D13 OUT2 GRN 1 REVISION HISTORY ECO REV _ 2 _ 2a _ 2b _ 2c DESCRIPTION APPROVED DATE DILIAN R. 5/4/11 PWR LEVEL UPDATE DILIAN R. 10/5/11 T1-T4 OPTION DILIAN R. 3/28/13 DILIAN R. 12/8/15 PRODUCTION SURGE RESISTOR R20 10M MOUNTING HOLES VDD 2 Q10 Si2343DS 2 VDD R22 910K VDD 1 R21 1.0K R23 10M D14 OUT3 GRN MH1 D Q12 Si2343DS 1 3 OUT3 D VDD R19 910K VDD R24 1.0K 1 D15 OUT4 GRN OUT4 VDD R6 910K 3 1 OPTIONAL LED DRIVE MH2 1 MH3 1 MH6 MH5 MH4 DGND E16 E11 TO DC590 SCL C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C SCL SCL E12 SDAIN SDAIN SDAIN J6 SDAOUT SDAOUT E13 SDAOUT C4 0.1uF REP5 5.1K REP4 5.1K REP3 5.1K U3 8 7 6 5 A0 WP A1 SCL A2 SDA WP B 24LC025 VCC VSS 1 DGND 2 3 E15 4 TP29 B QUICKEVAL FOR DEMO ONLY A A CUSTOMER NOTICE APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. TECHNOLOGY JK DILIAN R. TITLE: SCHEMATIC 5 4 3 2 N/A SCALE = NONE TM QUAD PORT LTPoE++ SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only DATE: IC NO. PSE CONTROLLER LTC4266AIUHF FAMILY DEMO CIRCUIT 1815A Tuesday, December 08, 2015 SHEET 3 1 REV. 2 OF 3