FE1.1S STT 应用原理图

5

4

3

2

1

VCC 3_3V

* C2 close to pin 21 (VD33_O) C2D

VBUS_5VD

500mA

10uF DRV LED1 LED2

500mAVCC 3_3V U C5 100uF/16V R3 100K VBUSM R2 100K VCC 3_3V R1 47K C1 0.1uF

3 1 2

* C4 close to C4 pin 20 (VDD5)4.7uF

J1 GND VCC SEL_GND DC Jack

2A

VCC 1_8V C12

VCC 3_3V

* C12 close to pin 28 (VD18)C

0.1uF/0603 R4 VD18 TESTJ OVCJ PWRJ LED2 LED1 DRV VD33_O VDD5 BUSJ VBUSM XRSTJ DPU DMU 100K 9 8 7 6 5 4 3 2 1 28 27 26 25 24 23 22 21 20 19 18 17 16 15

USB0 Hand4 Hand3 Hand2 Hand1 GND ID D+ DVBus USB-MINI-REC-BC

VSS XOUT XIN DM4 DP4 DM3 DP3 DM2 DP2 DM1 DP1 VD18_O VD33 REXT

s 1 . 1 E F

U2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R5

C11 2.7K/1%

* C11 close to pin 13 (VD33), R5 close to pin 14 (REXT).VCC 3_3V

* C3 close to pin 12 (VD18_O)VCC 1_8V

X'TAL (HC-49S) 16pF/30~50ppmB

Y1 12MHz

0.1uF/0603

300mA 300mA* PIN LED1 control Port1& Port3. PIN LED2 control Port2& Port4. C3 10uF DRVB

LED5 GREEN U C4 100uF/16V U C3 100uF/16V U C2 100uF/16V U C1 100uF/16V LED4 R12 330 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 6 5 6 5 6 5 6 5 LED2 VCC DD+ GND VCC DD+ GND VCC DD+ GND HAND HAND HAND HAND HAND HAND HAND VCC DD+ GND HAND GREEN LED3 R11 330 LED1 GREEN LED2 GREEN LED1 GREEN

R6 330A

A

USB4

USB3

USB2

USB1

5

4

3

2