A B C SOURCE +12V IN INPUT GATE1 E1 E5 GATE2 Z2 MMSZ5231B 5.1V 1 2 R1 34.8k R151 0.0 SENSE-2 4 INTVCC R7 22.1k R8 3.01k E20 E19 5 E12 6 ALERT VCC TIMER SOURCE CLK_I CLK_O GPIO2 18 GPIO3 ADR2 8 7 Y1 4.0 Mhz C3 33pF GPIO GND GND GND +5V 3 E14 R15 0.0 GPI03 INT E4 2 INTVCC EXT INT VCC E15 2 2 2 H NC 3 3 3 NC 2 L 4 4 4 L 3 H JP4 GND JP6 1 JP5 +5V LOCK UNLESS OTHERWISE NOTED: WRITE 1. ALL RESISTORS THIS PAGE ARE 1% 0603. R21 3.01k +5V JP3 R10 3.01k 2. ALL CAPACITORS THIS PAGE ARE 0603. R11 3.01k SCL 2 E21 R152 0.0 3 8 13 GPIO1 R12 5.11k C14 0.1uF R13 5.11k 2 GND D6 GREEN 1 D7 GREEN SCL SDA 1 ALERT 3 2 1 RED Q5 2N7002 2 1 1 D5 Q4 2N7002 3 Q3 2N7002 2 R22 5.11k +5V 2 SCL SDA 10 9 11 12 1 2 3 4 5 6 7 8 9 10 11 12 R20 OPT E10 WRITE PROTECT 1 ASSEMBLY OPTIONS R14 5.11k LTC SKU# GPIO2 J2 DC 1613 1 ADR0 1 +5V AUXP SDA GND SCL LGKPWR ALERTB GPIO_1 OUTEN_0 OUTEN_1 GND AUXSCL AUXSDA ADR1 1 C7 .068uF 2 14 JP1 3 C2 33pF R19 OPT CLK 2 1 EEVCC EESDA EESCL EEGND Y2 OPT 1 3 CS SCK/SCL MOSI/SDA MISO C6 1.0uF 6 4 7 5 E13 R16 0.0 GPI02 2 2 VCCIO GPI01 17 E17 1 2 GND GND VUNREG GND 19 TIMER J1 TM Quik Eval D3 GPIO1 GREEN E3 20 3 33 4 9 10 11 E18 +5V 16 E16 Z1 MMSZ5231B 5.1V 1 23 22 GATE1 24 GATE2 27 SENSE-1 26 SENSE-2 ADC- 25 28 SENSE+2 30 29 VDD SCL 1 GPIO1 2 ALERT GPIO3 21 1 15 EXT 5V FLOAT 4 C4 (0.1u) OPT KGND SCL LTC4282 GND SCL SDAO EXPOSED PAD E8 14 GPIO2 LOCK SCL U1 ADR0 13 FB GPIO1 SDAI ADR1 12 SDA SDA OV ADR2 E11 UV ADC+ 2 NC 32 SENSE+1 1 R3 3.4k ON C13 0.1uF 31 E9 D2 OUT GREEN 2 3 GND SDA INTVCC 1 OV UV R2 1.18k (SHORT PIN) ON R9 OPT (300K) R17 10k 2 GPIO2 +12V OUT 100 AMPS R18 10k JP2 1 GPIO3 E7 3 ADC- SENSE+2 E2 3 1 1 ON D9 GPIO2 GREEN ADC+ +12V OUT = HIGH-CURRENT CONNECTIONS SENSE-1 1 2 D1 IN GREEN D8 GPIO3 GREEN SENSE+1 2 Z3 MMSZ5231B 5.1V 1 2 2 2 1 D15 SMCJ28A 2 R5 10k R4 10k 1 R6 10k 4 E CONNECTIONS TO PAGES 2 AND 3 +12V IN E6 D 1 SDA SCL R153 0.0 R154 0.0 2 R155 0.0 3 4 U2 24LC025-I /ST 8 A0 VCC 7 A1 WP 6 A2 SCL 5 VSS SDA TP1 CUSTOMER NOTICE TP2 LTC4282IUH THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. A B C SCALE = NONE D NOT STUFFED DC2024A-B STUFFED 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: DEMO CIRCUIT SCHEMATIC, APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A PCB DES. M.HAWKINS CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO APP ENG. BOB SMITH VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED SIZE: N/A CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR IC NO. TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. SKT 1 ( PAGE 4 ) DC2024A-A HIGH CURRENT HOT SWAP CONTROLLER WITH I²C COMPATIBLE MONITORING AND EEPROM SKU NO. SCHEMATIC NO. AND REVISION: DC2024A-A 710-DC2024A REV 05 DATE: Friday, May 22, 2015 SHEET E 1 OF 5 1 A B C D E "RS1" PRIMARY SIDE R25 3 mohm 4 R23 1.0 R24 1.0 R26 1.0 R27 1.0 Q8 R30 3 mohm SENSE+1 R28 1.0 R29 1.0 R31 1.0 R32 1.0 4 Q1 1.0 R34 1.0 R36 1.0 R37 1.0 1 R38 1.0 R39 1.0 R42 1.0 R43 1.0 TP6 3 ADC+ 1 Q9 (OPT) R40 10 1 C9 0.027uF SENSE-1 50V E23 C11 0.022uF GATE1 R46 1.0 R44 1.0 R48 1.0 R49 1.0 1 ADC+ R45 59k TP7 ADC- GATE1 3 ADCR52 3 mohm 1 C8 SOURCE 1 INPUT R50 1.0 R51 1.0 R53 1.0 R54 1.0 C1 1000 uF OPTIONAL + 1000 uF OPTIONAL TP5 SENSE+2 1 1 R57 3 mohm NICHICON P/N UVR1E102MPD SENSE+2 OR EQUIVALENT R55 1.0 R58 1.0 R56 1.0 R59 1.0 2 + 2 ADC+ "Q1" PRIMARY SIDE 2 SENSE-1 N-CHANNEL UNIVERSAL R47 3 mohm TP4 R143 10 1 3 R41 3 mohm SENSE+1 R144 10 3 PSMN1R5-30BLE R33 1 4 PSMN2R0-30YLE 4 (OPT) R35 3 mohm TP3 3 2 1 5 A (TO BOTTOM SIDE) TP8 SENSE-2 PSMN2R0-30YLE 4 (OPT) R60 1.0 R61 1.0 R63 1.0 R64 1.0 NICHICON P/N UVR1E102MPD OR EQUIVALENT Q10 R62 3 mohm 4 R146 10 3 Q2 R67 3 mohm 2 3 2 1 5 SENSE-2 PSMN1R5-30BLE R65 1.0 R66 1.0 R68 1.0 R69 1.0 R145 10 1 3 "Q2" PRIMARY SIDE 2 2 Q11 R72 3 mohm N-CHANNEL UNIVERSAL 1 (OPT) B R70 1.0 R71 1.0 R74 1.0 R75 1.0 R73 10 C10 0.027uF (TO BOTTOM SIDE) 50V E22 C12 0.022uF GATE2 "RS2" R76 59k PRIMARY SIDE GATE2 INPUT D14 SMCJ28A OPT 2 D13 SMCJ28A OPT 2 D12 SMCJ28A CUSTOMER NOTICE UNLESS OTHERWISE NOTED: 1. ALL RESISTORS THIS PAGE ARE 1% 0402. 2. ALL CAPACITORS THIS PAGE ARE 0603. 3. ALL 0.003 OHM SENSE RESISTORS ARE SIZE 2512. 1 1 1 D11 SMCJ28A 2 2 D10 SMCJ28A 2 1 1 1 =HIGH CURRENT CONNECTIONS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A PCB DES. M.HAWKINS CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO APP ENG. BOB SMITH VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED SIZE: N/A CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR IC NO. TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. LTC4282IUH THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. A B C 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: DEMO CIRCUIT SCHEMATIC, APPROVALS SCALE = NONE D HIGH CURRENT HOT SWAP CONTROLLER WITH I²C COMPATIBLE MONITORING AND EEPROM SKU NO. SCHEMATIC NO. AND REVISION: DC2024A-A 710-DC2024A REV 05 DATE: Friday, May 22, 2015 SHEET E 2 OF 5 1 A B C D E Q14 N-CHANNEL UNIVERSAL (OPT) "RS1" (FROM TOP SIDE) A SECONDARY SIDE 3 R79 OPT 4 R77 OPT R78 OPT R80 OPT R81 OPT R150 2 10 1 10 9 8 7 6 5 4 3 2 R84 OPT R82 OPT R85 OPT R83 OPT R86 OPT R88 OPT 11 R89 OPT R87 R90 R92 OPT SENSE+1 OPT OPT R91 OPT R96 OPT R94 OPT R95 OPT R97 OPT R98 OPT R149 3 R105 OPT R100 OPT R102 OPT R103 OPT 10 R106 SOURCE Q12 ADC- R117 SENSE+2 OPT OPT R110 OPT N-CHANNEL UNIVERSAL (OPT) R108 OPT R111 OPT R114 OPT 3 R148 R112 OPT R113 OPT R115 OPT R116 OPT R118 OPT R122 OPT 2 2 10 1 OPT SENSE-2 R121 OPT R119 PSMN2R0-30YLE (OPT) 4 OPT R109 OPT R107 Q15 3 ADC+ INPUT 3 2 1 GATE1 OPT "Q1" SECONDARY SIDE 5 SENSE-1 R104 R99 Q7 STV300NH02L (OPT) 1 10 R93 OPT R101 OPT 4 10 9 8 7 6 5 4 3 2 11 R120 OPT R123 OPT Q6 STV300NH02L (OPT) 2 R126 OPT R124 OPT R125 OPT R127 OPT R128 OPT R147 "Q2" 1 10 SECONDARY SIDE R131 OPT 3 2 1 5 R129 OPT R130 OPT R132 OPT R133 OPT R134 GATE2 "RS2" SECONDARY SIDE 10 4 Q13 PSMN2R0-30YLE (OPT) (FROM TOP SIDE) B SECONDARY SIDE STUFFING OPTIONS, THIS PAGE CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A PCB DES. M.HAWKINS CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO APP ENG. BOB SMITH VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED SIZE: N/A CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR IC NO. TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. =HIGH CURRENT CONNECTIONS 1 UNLESS OTHERWISE NOTED: 1. ALL RESISTORS THIS PAGE ARE 1% 0402. 2. ALL OPTIONAL SENSE RESISTORS ARE SIZE 2512. LTC4282IUH THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. A B C 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: DEMO CIRCUIT SCHEMATIC, APPROVALS SCALE = NONE D HIGH CURRENT HOT SWAP CONTROLLER WITH I²C COMPATIBLE MONITORING AND EEPROM SKU NO. SCHEMATIC NO. AND REVISION: DC2024A-A 710-DC2024A REV 05 DATE: Friday, May 22, 2015 SHEET E 3 OF 5 1 A B C D E +5V OPTIONAL PROGRAMMING SOCKET, SOURCE 22 23 GATE1 24 GATE2 27 SENSE-1 SENSE-2 ADC- 25 26 28 SENSE+2 30 ADC+ 29 VDD CLK_I 21 19 18 17 8 3 KGND 7 20 GND CLK_O 3 LOCK EXPOSED PAD 33 16 R137 ADR0 TIMER C5 0.1uF 4 6 VCC ADR1 5 ALERT 9 15 3 GPIO3 TEST SOCKET SCL 10 14 SCL GPIO2 SKT1 SDAO ADR2 1 13 FB GPIO1 SDAI 11 12 SDA OV SENSE+1 2 D4 RED UV NC 32 2 SOCKET POWER 0N 1 R136 2k 31 4 ON SOCKET POWER 4 INSTALLED ON -B ASSEMBLY OPTION R135 0.0 OPT R138 OPT R139 OPT UNLESS OTHERWISE NOTED: 1. ALL RESISTORS THIS PAGE ARE 0603. 2 R140 0.0 R141 0.0 R142 0.0 CUSTOMER NOTICE LTC4282IUH THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. A B 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: DEMO CIRCUIT SCHEMATIC, APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A PCB DES. M.HAWKINS CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO APP ENG. BOB SMITH VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED SIZE: N/A CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR IC NO. TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. 1 2 C SCALE = NONE HIGH CURRENT HOT SWAP CONTROLLER WITH I²C COMPATIBLE MONITORING AND EEPROM SKU NO. SCHEMATIC NO. AND REVISION: DC2024A-A 710-DC2024A REV 05 DATE: Friday, May 22, 2015 D SHEET E 4 OF 5 1 A B C D E PCB MECHANICAL PARTS 4 3 4 MP1 BUMPER, RECESSED, #4 SCREW, BLACK MP17 HEX NUT, #4-40 , SS 18-8 MP2 BUMPER, RECESSED, #4 SCREW, BLACK MP18 HEX NUT, #4-40 , SS 18-8 MP3 BUMPER, RECESSED, #4 SCREW, BLACK MP19 HEX NUT, #4-40 , SS 18-8 MP4 BUMPER, RECESSED, #4 SCREW, BLACK MP20 HEX NUT, #4-40 , SS 18-8 MP5 WASHER, FLAT, SS 18-8, #4 MP21 HEX NUT, FULL, 3/8-16, 9/16 IN. MP6 WASHER, FLAT, SS 18-8, #4 MP22 HEX NUT, FULL, 3/8-16, 9/16 IN. MP7 WASHER, FLAT, SS 18-8, #4 MP23 FLAT WASHER, SS 18-8, 3/8 IN. MP8 WASHER, FLAT, SS 18-8, #4 MP25 FLAT WASHER, SS 18-8, 3/8 IN. MP9 MACHINE SCREW, #4-40 X 1/2 PHILLIPS PAN HEAD, ZINC MP26 LOCK WASHER, INT., 0.398 IN. ID MP10 MACHINE SCREW, #4-40 X 1/2 PHILLIPS PAN HEAD, ZINC MP27 LOCK WASHER, INT., 0.398 IN. ID MP11 MACHINE SCREW, #4-40 X 1/2 PHILLIPS PAN HEAD, ZINC MP28 HEX HEAD BOLT, 3/8-16 X 1-1/8 IN. MP12 MACHINE SCREW, #4-40 X 1/2 PHILLIPS PAN HEAD, ZINC MP29 HEX HEAD BOLT, 3/8-16 X 1-1/8 IN. MP13 LOCK WASHER, INT. TOOTH, ZINC, #4 MP14 LOCK WASHER, INT. TOOTH, ZINC, #4 MP15 LOCK WASHER, INT. TOOTH, ZINC, #4 MP16 LOCK WASHER, INT. TOOTH, ZINC, #4 3 2 2 CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A PCB DES. M.HAWKINS CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO APP ENG. BOB SMITH VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED SIZE: N/A CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR IC NO. TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. 1 LTC4282IUH THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. A B 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: DEMO CIRCUIT SCHEMATIC, APPROVALS C SCALE = NONE HIGH CURRENT HOT SWAP CONTROLLER WITH I²C COMPATIBLE MONITORING AND EEPROM SKU NO. SCHEMATIC NO. AND REVISION: DC2024A-A 710-DC2024A REV 05 DATE: Friday, May 22, 2015 D SHEET E 5 OF 5 1