5 4 3 2 1 D1 E3 1 C2 4.7uF 50V 1210 CMSH3-40MA CHRG D3 RED + D4 GRN C3 4.7uF 50V 1210 SYSTEM LOAD E4 1 2 R5 100K 1 2 VIN VIN_REG 4 CHRG 5 12 U1 LT3652EDD SW BOOST 11 SENSE 10 D5 CMPSH1-4 1 1 3 2 JP1 1 3 R6 100K 6 1 CMSH3-40MA TP1 BAT 9 VFB 7 NTC 8 OPT E5 C5 GND 20 5% OPT 13 R9 0 C6 100uF 10V 1210 20% TP2 R10 619K 0603 0.1% R12 0.1 1206 1/2W 3 JP2 C BAT R8 TIMER 2 0 2 SHDN 1 D6 R7 0.05 1206 1/4W FAULT C 0 D2 CMSH3-40MA 2 R3 5.1K 1206 3 R2 5.1K 1206 2 IHLP-2525CZ-11 1 GND C4 1uF 50V 0805 3 R1 1.0Meg E2 1 JP4 D GND L1 10uH 0 2 C1 390uF 50V 20% 1 D R4 536K 1 FAULT 11.5V - 32V 1 2 2 E1 VIN C7 10uF 10V 0805 10% C8 0.022uF 16V C9 0.022uF 16V 8.2V 2A E6 GND R11 417K 0603 0.1% 1 2 3 1 B C/10 J1 BAT GND NTC DF3-3P-2DSA 2 JP3 E7 3 TIMER C10 0.68uF RUN UVLO SHDN JP1 1 1 0 JP2 1 0 X NTC Unless noted: Resistors: Ohms 0402 1% 1/16W Capacitors: 0402 10% 10V A 5 B OPT 4 CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 3 CONTRACT NO. APPROVALS DRAWN J.Drew DATE 4/16/09 CHECKED APPROVED ENGINEER J.Drew 1/19/09 DESIGNER Monday, March 18, 2013 TECHNOLOGY A TITLE LT3652EDD Multi-Chemistry 2A Battery Charger for Solar Power SIZE CAGE CODE SCALE: 2 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 FILENAME: DWG NO REV DC1568A SHEET 1 1 A OF 1