5 4 3 2 1 D D VIN +VIN 4.5V-10V 1A Limit E1 D2 GRN ACPR D1 RED CHRG R2 750 R1 750 R4 10K U1* 3 LTC4052EMS8E C1 0.047uF 25V +VIN C2 0.022uF 25V CHRG C 2 ACPR GND C3 1.0uF 16V 7 GATE 6 R5 4.7 R3 0.04 1206 SENSE 1 BAT 8 C E3 BAT TIMER 4 5 GND E2 Single Li-lon Cell C4 0.1uF 16V GND E4 B B CONTRACT NO. * VERSION TABLE A VERSION Battery Voltages DC531A-A 4.2V APPROVALS DRAWN U1 LTC4052EMS8E-4.2 June Wu DATE 5/3/02 CHECKED TECHNOLOGY TITLE DESIGNER 5/3/02 SIZE CAGE CODE Thursday, February 20, 2003 SCALE: 4 A LTC4052EMS8E, Li-Ion Battery Pulse Charger APPROVED ENGINEER Fran Hoffart 5 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 3 DWG NO FILENAME: 2 REV DC531A SHEET A 1 1 OF 1