4 4.35V-5.5V Non-operating Fault Tolerance to 30V Continuous, 36V Transient. VOUT LDO3V3 18 L1 3.3uH SW 14 E13 2 OVSENS C5 22uF 6.3V 0805 20% TP2 TP3 GND 5 DD+ ID 5 ID INPUT CURRENT LIMIT SETTINGS ILIM1 ILIM0 0 0 100mA (1X) 0 1 1 1A (10X) 0 SUSPEND (500uA) 1 1 500mA (5X) 0 Q2 Si2333DS 1 3 E10 BAT ON 7 ENCHARGER VOUT 1 OFF E3 17 CLPROG E4 VFLOAT = 4.1V/4.2V C4 100uF 6.3V 1206 20% 6 ENOTG JP4 ON 3 BAT 11 JP3 ENOTG CHGR Leakage current must be < 50nA IDGATE 10 1 OFF E11 15 ILIM0 JP2 ILIM0 CURRENT LIMIT E12 GND CHGR 1 0 R14 1k 5% 0603 1.25A 2 6 7 8 9 16 ILIM1 JP1 ILIM1 E2 GND D3 GREEN CHGR CHRG 9 VOUT R11 1.0 5% VOUT D1 RED FAULT 1 TP1 D+ 3 ID 4 VOUT 3.5V-4.7V LPS4018-332MLC VOUT 12 VBUS 1 D- 2 2 VBUS 1 R2 6.2k 0603 5% J2 USBMINI-AB SHGND SHGND SHGND SHGND 1 OVGATE 4 13 2 6 7 8 9 Leakage current must be <400nA 4.35V-5.5V CLPROG C6 1uF 10V U1* LTC4160EPDC R1 1.0 5% VUSB 3 C2 22uF 6.3V 0805 20% 1 E1 E15 LDO3V3 3.3V 20mA E14 GND 2 C1 4.7uF 1206 50V ID 4 GND 5 4 Q1 FDN-372S 3 D- 2 D+ 3 1 R9 1k 5% 0603 R12 1.0 5% * 500mA J3 1 BAT 2 GND R13 1.0 5% 3 NTC-EXT DF3-3P-2DSA OPT E9 D2 GREEN VBUSGD GND 2 8 PROG PROG R3 3.01k C3 0.1uF 16V 2 SHGND SHGND SHGND SHGND USBMICRO-AB VBUS 1 2 2 J1 3 19 NTCBIAS R4 2K R5 100K R10 1k 5% 0603 E8 FAULT 4 E5 NTC 20 NTC GND FAULT E7 VBUSGD 3 VBUSGD 21 E6 GND JP5 NTC R6 100K R7 0 INT R8 0 EXT Unless noted: Resistors: Ohms, 0402, 1%, 1/16W Capacitors: uF, 0402, 10%, 50V CUSTOMER NOTICE 1 VERSION TABLE Assembly Version DC1463A - A DC1463A - B 4 3 U1 LTC4160EPDC LTC4160EPDC - 1 VFLOAT * 4.2V 4.1V 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. 2 CONTRACT NO. APPROVALS DRAWN J.Drew DATE 1/19/09 CHECKED APPROVED ENGINEER J.Drew 1/19/09 DESIGNER Wednesday, April 01, 2009 TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 1 TITLE LTC4160EPDC / LTC4160EPDC-1 Switching Power Manager with USB On-the-Go and Overvoltage Protection SIZE CAGE CODE SCALE: DWG NO REV DC1463A - A/B FILENAME: SHEET 1 1 A OF 1