5 4 3 2 1 REVISION HISTORY VIN 2 (A) OV / OC 3 4 (B) OV / OC / NV 6 (C) OV / OC / NV / RC D E2 5 CLD1 CCLM3500 GND RS1 1 D2 RED -VIN SENSE (A) 8 IN 2 GATEP 4 ON PWRGD 5 GND GND 1 9 2 Q2 Si3590DV-T1-E3 3 1 1 2 OUT(B) 3 4 OUT(C) J1 5 SENSE (B) 6 VCC 1 VIN 8 IN 2 GATEP 4 ON J2 1 VCC D- 2 2 D- D+ 3 3 D+ GND 4 4 GND USB TYPE B USB TYPE A Q3 Si1471DH-T1-E3 RS3 E6 U2 LTC4361CDC-2 See Note #2 7 JP3 PWRGD(A) OUT(B) USB PROTECTION GATE OUT 3 PWRGD 5 GND GND 1 9 5 2 E9 PWRGD(B) Q4 FDC6561AN 6 4 3 E7 OUT(C) ON 7 6 R1 1.5K ON DISABLE (C) SENSE 8 IN 1 2 GATEP 2 4 ON 3 ENABLE JP2 D1 5.6V NOTES: UNLESS OTHERWISE SPECIFIED GATE OUT 3 PWRGD 5 GND GND 1 9 2. LTC4361CDC-2 HAS AUTORETRY AFTER OVERCURRENT. 3. ALL RESISTORS ARE IN OHMS, 0603. ALL CAPACITORS ARE IN MICROFARADS, 0603. PWRGD(C) U3 LTC4361CDC-1 See Note #1 APPROVALS TECHNOLOGY RB Dilian R. C:\PADS PROJECTS\1506A\SCH\1506A_REV2.DSN THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 4 3 2 A LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY OVERVOLTAGE/OVERCURRENT PROTECTION CONTROLLER N/A SCALE = NONE 1630 McCarthy Blvd. Milpitas, CA 95035 www.linear.com Phone: (408)432-1900 Fax: (408)434-0507 TITLE: SCHEMATIC SIZE 4. INSTALL SHUNTS AS SHOWN. 5 E10 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 APP ENG. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. 1. LTC4361CDC-1 HAS LATCH - OFF AFTER OVERCURRENT. B D2C GRN OUT(C) CUSTOMER NOTICE A OUT(C) 1A(Max) C1C 10uF 10V 0603 R2C 510 VIN E3 C D2B GRN OUT(B) 6 1 OUT(B) 1A(Max) C1B 10uF 10V 0603 R2B 510 0.051 1% 0603 B E5 E8 5 C D GND 6 4 OUT(A) 1A(Max) U1 LTC4361CDC-1 See Note #1 RS2 0.051 1% 0603 C1A 10uF 10V 0603 D2A GRN OUT(A) GATE 3 04/30/10 E4 6 OUT DATE Dilian R. R2A 510 7 OV = OVERVOLTAGE OC = OVERCURRENT NV = NEGATIVE VOLTAGE RC = REVERSE CURRENT APPROVED DESCRIPTION PRODUCTION OUT(A) D3 AMBER VIN OUT(A) 2 0.051 1% 0603 JP1 CLD2 CCLM3500 REV - Q1 Si1470DH-T1-E3 SELECT PROTECTION E1 VIN 0V TO 30V ECO DATE: IC NO. REV. LTC4361CDC-1/LTC4361CDC-2 DEMO CIRCUIT 1506A Monday, May 24, 2010 SHEET 1 2 1 OF 1