1 2 3 4 5 6 7 8 REVISION HISTORY ECO L1 100uH E1 8 VBAT 1.8V - 5.5V C1 22uF 1206 6.3V 20% GND EN 1 E2 ON EXT OFF R9 EN GND 2 3 16 PBAT PVOUT BAT VOUT E3 VOUT * 12 C2 150uF 1210 6.3V 20% E4 PGOOD E8 18 E9 1k OUT2 E7 2 DVCC OUT2 OUT1 OUT0 C3 1000pF OUT1 1 1 0 0 0 JP3 JP4 J3 3 4 5 2 0 SDA IPK2 IPK1 IPK0 IRQ GNDD 19 SCL 6 PGND 1 SCL GND NC VSUPPLY 1 B 20 DVcc PGOOD 1 R1 DNP 0603 R3 0603 0 R5 0603 6 15 14 13 8 10 DNP R2 0603 0 R4 0603 DNP R6 0603 12 21 E10 VBAT OUT0 4 GNDA B R7 10k 5% 17 R8 10k 5% A 3.3V 15mA GND EN E6 GND 06 - 30 - 15 11 JP2 DVCC DATE BJS 4 E5 JP1 7 APPROVED PRODUCTION VOUT VOUT SW2 9 VBAT SW1 VBAT DESCRIPTION LPS5030-104MRB LTC3335EUDC A 2 10 U1 REV - PGOOD VBAT EHORBAT I/O 1 V+ GND KEY RSVD I/O 2 +5V 3 5 7 9 11 DUST HEADER 2X6 SDA SMH-106-02-L-D-05 PGOOD IRQ C C IPEAK SELECTION INSTALL *OUTPUT VOLTAGE SELECTION D OUT2 OUT1 OUT0 VOUT 0 0 0 1.8V 0 0 1 2.5V 0 1 0 2.8V 0 1 1 3.0V 1 0 0 3.3V 1 0 1 3.6V 1 1 0 4.5V 1 1 1 5.0V D IPK2 R2 R2 R2 R2 R1 R1 R1 R1 IPK1 IPK0 R6 R4 R5 R4 R6 R3 R3 R5 R4 R6 R4 R5 R3 R6 R3 R5 IPEAK 5mA 10mA 15mA 25mA 50mA 100mA 150mA 250mA L1 2200uH 1000uH 680uH 470uH 220uH 100uH 68uH 47uH D = DEFAULT VALUE 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. D NOTES: UNLESS OTHERWISE SPECIFIED 1. RESISTORS: OHMS, 0402, 1%, 1/16W 2. CAPACITORS: 0402, 10%, 50V 1 2 3 4 TECHNOLOGY NC BJS TITLE: SCHEMATIC SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 IC NO. N/A SCALE = NONE 6 DATE: 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only NANOPOWER BUCK-BOOST DC/DC WITH INTEGRATED COULOMB COUNTER REV. LTC3335EUDC 2 DEMO CIRCUIT 2343A 06 - 30 - 15 SHEET 7 8 1 OF 2 D B C5 10uF 6.3V 20% 0603 C4 10uF 6.3V 20% 0603 R10 1.0 5% C4 only used in non-isolated case D+ DGND A11 A10 A9 A8 1 A7 4 3 2 A2 A1 5 A5 11 10 9 8 7 6 GND GND GND GND GND GND ID R12 0 OPT R15 301 0603 C7* 301 Ohms 0603 A4 A3 VCC VCC VCC VCC VCC2 VCC2 VCC2 VCC2 VBUS VLO2 D1+ D1- D2+ D2- 14 L11 L10 L9 L8 L2 L1 16 15 ON 1 SPND-PWR GND2 GND2 GND2 GND2 GND2 GND2 GND2 GND2 GND2 GND2 GND2 GND2 GND2 GND2 GND2 GND GND GND GND GND GND GND GND GND GND GND GND L3 L4 L6 L7 K1 K2 K3 K4 K5 K6 K7 K8 K9 K10 K11 RA4 RA5 VUSB3V3 RB7 RB6 RB5 RB4 RC7 RC6 RC5 RC4 RC3 RC2 RA0/D+/ICSPDAT2 RA1/D-/ICSPCLK2 RA3/MCLR/Vpp Vss PIC16F1459-I/ML 470pF 1808 250VAC R14 0 RC0/ICSPDAT RC1/ICSPCLK EPAD 17 1A 20 19 2A 7 8 9 10 3A 6 5 2 3 4 11 13 12 ORNG LED D1 GRN LED D2 2.00k R20 2.00k R21 R25 3 DP2 SP2 R26 0603 28.7k GP2 DN1 0603 2 GN1 M1 Si1553CDL 470pF 1808 R27 OPT R28 28.7k 3 DP2 SP2 10k 0603 IRQ 6C 3 R18 4 R24 5 6 49.9k C11 1uF 25V VBAT 100 0603 0603 GP2 DN1 GN1 M2 Si1553CDL 0603 5% R19 4 R23 5 6 49.9k C12 1uF 25V VOUT 100 0603 0603 1 R17 10M INSTALL DC2343A-1-ASSY1 ONTO JP5 ROWs A AND B NOTES: UNLESS OTHERWISE SPECIFIED 1. RESISTORS: OHMS, 0402, 1%, 1/16W 2. CAPACITORS: 0402, 10%, 50V CUSTOMER NOTICE 6 5 INSTALL OPTIONS: ** DC2343A-1-ASSY1 - ON BOARD PROCESSOR OPERATION: - JP5 ROW B CONNECTS TO JP5 ROW C - DUST or OTHER PROCESSOR CONNECTION: - JP5 ROW A CONNECTS TO JP5 ROW B - DVCC CONNECTS TO I/O SUPPLY - SIGNALS TO/FROM LTC3335 CONNECT TO JP5-CX 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. BJS TITLE: SCHEMATIC SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. B TECHNOLOGY NC 12 11 TSW-106-07-L-T A 5C 6B 2 250VAC 4 3 10 9 PGOOD 5% 10k ICD INTERFACE WURTH-62000621121 A 8 7 4C 5A 6A 2 4 6 DC2343A-1-ASSY1 1 SDA 5B 2 2 1 SCL 3C 4A 0603 B 2C 4B J2 C10 OPT DVcc 3B 21 1 3 5 1C 2B 5% VCC OPT C9 ** JP5 TSW-106-07-L-T 18 Vdd R16 10k 5% VLO 4 1B C8 0.47uF 16V L5 LTM2884CY 2 R22 DNP 0603 U2 3 A6 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 C6 0.1uF OPT U3 J1 USB Micro B RECEPTACLE 1981568-1 VBUS OPT R13 0 VCC VCC R11 0 E SN1 4 Close to J1.1 D 1 Isolation Bypass Components: 2512 for 5mm clearance VCCin C SN1 A C IC NO. N/A SCALE = NONE D DATE: 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only NANOPOWER BUCK-BOOST DC/DC WITH INTEGRATED COULOMB COUNTER REV. GUI INTERFACE DEMO CIRCUIT 2343A 06 - 30 - 15 2 SHEET E 2 OF 2 1