5 D 4 3 2 1 Notes: - 4 layer PCB: 2 layers for Customer Reference and 2 layers for Evaluation. - 20 mil trace (minimum) on all power and ground routes. - Decoupling capacitors are physically close to U1 VDD and U2 VCC, respectively. - Designed for TSL257x, and can be used with TCS347x. - All passive components are EIA0603 except C1 which is EIA0402. - Assembly drawing: - PCB drawing: D Evaluation Schematic Components mounted on bottom-side of PCB C2 CAP NP U2 1 2 3 4 C A0 A1 A2 VSS R2 Open VCC WP SCL SDA R3 Open R4 Open 8 7 6 5 R5 10K EVDD C R1 O ohm 24LC04B Ground Customer Reference Schematic Components mounted on top-side of PCB J1 1 2 3 4 5 6 7 VDD I2C SDA I2C SCL Interrupt DB Detect 5V0 3V0 GND SDA SCL INT IO DB Connector B B U1 1 2 3 C1 Ground VDD SCL GND SDA INT N/C Ground 6 5 4 TSL2571FN TP1 TP2 1 uF A A Title TSL:2571 Daughterboard 5 4 3 2 Size B Document Number Date: Thursday, June 02, 2011 Rev C 07-07-00000 Sheet 1 1 of 1