5 4 3 2 1 VBUS D C2 1 1 1 1 1 1 1 1 1 1 TP7 TP8 TP9 TP10TP11TP12TP13 C1 0.1u D J1 U1 1 VBUS 1 1 TP1 TP2 TP3 TP4 TP5 TP6 VDEV 1u VOLTCNT tps73701dcq VBUS VSENSE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R5 51k R6 10k R7 30.1k R4 7k VDEV VBUS C VDEV D3 D4 5.6V 5.6V P2[3] P2[1] P4[7] P4[5] P4[3] P4[1] P3[7] P3[5] P3[3] P3[1] P5[7] P5[5] P5[3] P5[1] CY8C24894 I2CSCL I2CSDA INT VDEV MICROSMD110FTR R14 7.5k J3 C6 10n R15 7.5k 42 41 40 39 38 37 36 35 34 33 32 31 30 29 VOLTCNT VSENSE Sts ENABLE D1 D2 STATUS GREEN R11 300 R12 300 DEV POW RED C Sts 1 2 3 4 5 VBUS F2 B D+D- P2[2] P2[0] P4[6] P4[4] P4[2] P4[0] XRES P3[4] P3[2] P3[0] P5[6] P5[4] P5[2] P5[0] VBUS J2 VDEV 48 47 46 45 44 43 U2 R8 51k P0[6] P0[4] P0[2] P0[0] P2[6] P2[4] R2 5k P7[7] P7[0] P1[0] P1[2] P1[4] P1[6] 10n USB SUPPLY 23 24 25 26 27 28 2.2u R3 24k 50 49 1 Vss Vdd 3 2 C4 56 55 54 53 52 51 GND C3 Vss D+ DVdd GND R1 52.3k 19 20 21 22 EN 6 2 4 P2[5] P2[7] P0[1] P0[3] P0[5] P0[7] 5 OUT FB/NC P1[7] P1[5] P1[3] P1[1] ENABLE IN 15 16 17 18 1 R16 30k R17 30k ISSP U5 1 2 3 4 5 R19 47 1 2 3 4 5 6 7 DEV_INT DEV_SCL DEV_SDA R18 47 R20 47 I2C 5 pin female VL+ VL1 VL2 VL3 VL4 nc GND Vcc+ Vout1 Vout2 Vout3 Vout4 nc TS 14 13 12 11 10 9 8 INT I2CSCL I2CSDA B VDEV MAX3378 F1 J4 7 C 6 C VBus DD+ ID GND 1 2 3 4 5 MICROSMD110FTR VBUS R9 27 DR10 27 U6 USB_CONN VDEV 1 2 3 5 6 7 IN IN IN IN IN IN 8 V+ 4 V- D+ SN65220-Q1 R13 100k 4 5 6 DGND D+ NC GND NC 3 2 1 U4 C5 0.01 A A SP721/SO Title I2C-USB Bridge Size B Date: 5 4 3 2 Document Number REF-13524 Friday, June 02, 2006 Rev ** Sheet 1 1 of 1