5 3 7.0V 4 8.7V E3 E4 PAUSE C1 1UF,16V 0603 SEL0 SEL1 TIMER E13 12 CHEM 5 SHDN 6 PAUSE NIMH SHDN PAUSE JP2 +VIN SEL0 R6 68K NUMBER OF CELLS 1 2 3 4 C JP1 CHEM NICD JP3 +VIN SEL1 A B A B B A A A B B TIMER JP5 TIMER C3 150PF 1 C4 470PF 3 C5 1200PF 5 2700PF 7 C6 A 2 B 4 C 6 C7 220PF R3 330 ACPR 13 CHRG 15 1 RSENSE R4 330 R5 OPT 0805-NS 2 D2 MBRM120LT3 2 1 E6 E8 10 SEL1 NTC 11 PROG 7 4 TIMER ARCT 8 NTC +VIN SEL0 R7 4.42K EXT OFF JP7 +VIN RECHARGE 1.3V 1 2 A 1.2V 3 4 B OFF 5 6 C HD2X3-079 R8 1 JP4 C2 10UF,10V 1206 4 1 2 3 4 2. INSTALL SHUNTS ON JP1-JP6 PIN 2 AND 3, ON JP7 PIN 3 AND 4. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 TECHNOLOGY TITLE: SCHEMATIC SIZE DWG NO. DESIGNER: CHRG CURRENT 0.5A CHRG RATE 1C TIMER 1A 1C B 1A 0.5C C 2A 1C C 2A 0.5C D A B 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC Confidential-For Customer Use Only A NIMH/NICD CHARGER APPROVED: ENGINEER: FRAN H. C E12 GND JP6 CHARGE CURRENT KIM T. CHECKED: NIMH/NICD + 1 TO 4 CELLS R11 931 R10 2.21K 2A 1A 0.5A A B EXTERNAL PNP (OPT) E11 PROG APPROVALS DRAWN: E E10 EXT NTC CONTRACT NO. 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 CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. SYST LOAD 3 Q2 MJD210 R12 2.8K CUSTOMER NOTICE GND E9 BAT R9 576 B 1. ALL RESISTORS ARE IN OHMS, 0402. ALL CAPACITORS ARE 16V, 0402. E5 E7 8 D JP2X4-079 NOTES: UNLESS OTHERWISE SPECIFIED D D1 B220A SENSE 3 DRIVE 1 BAT 2 9 B A U1 LTC4060EFE 3 1 4.5V CHRG LED2 LC1451C 2 2 ACPR LED1 LN1351C Q1 FDN306P 1 4.5V R2 390K 2 1 R1 1 2 VIN(MIN) VCC 14 CELLS 1 1 +VIN GND SHDN 1 +VIN E1 GND D 2 E2 17 +VIN 10V MAX 3 16 GND 4 A DATE: DC783A-1 * LTC4060EFE Wednesday, June 30, 2004 2 SHEET 1 1 REV A OF 1