R12 LED1 VREG GND P$1 P5.0 GND1 P$2 P5.1 P$3 P5.2 P5.3 P5.4 P5.5 P5.6 P5.7 XT2OUT P$24 P$25 P$26 P$27 P$28 P$19 P$10 XT2IN P$11 TDO/TDI P$12 TDI/TCLK

Transcription

1 1 TC1047A 47K NMOS PMOS VCAP 100K 1K 10nF 1K 470.1uF.1uF TEMP VDD 1 VOUT P$1 P5.0 P$2 P5.1 P$3 P5.2 P$4 P5.3 P$5 P5.4 P$6 P5.5 P$7 P5.6 P$8 P5.7 P$9 XT2OUT P$10 XT2IN P$11 TDO/TDI P$12 TDI/TCLK P$13 TMS P$14 TCK P$15 RST/NMI P$16 AVDD P$17 A P$18 ADC0 P$19 ADC1 P$20 ADC2 P$21 ADC3 P$22 ADC4 P$23 ADC5 P$24 ADC6/DAC0 P$25 ADC7/DAC1 P$26 VREF+ P$27 VEREF+ P$28 VEREF- P$29 P1.2 P$30 P1.5 P$31 P1.6 P$32 P1.7 P$33 FVDD P$34 2 P$35 FLASH_CS P$36 FLASH_WP P$37 P2.0 P$38 P2.1 P$39 P2.3 P$40 P2.6 P$41 RF1 P$42 RFOUT P$43 RF2 P$44 RFTXRX P$45 ATEST1 P$46 ATEST2 P$47 RADIO_CS P$48 RADIO_CCA P$49 RADIO_SFD P$50 RVDD P$51 3 P$52 I2C0/~SPI0 P$53 ONEWIRE P$54 STE0 P$55 MOSI0/SDA P$56 MISO0 P$57 SCLK0/SCL P$58 UART0TX P$59 UART0RX P$60 UART1TX P$61 UART1RX P$62 XOSC16OUT P$63 XOSC16IN P$64 LED1 P$65 LED2 P$66 LED3 P$67 DVDD P$68 RFOUT P$1 RF P$2 RF P$3 VDD 3 TX1 5 TCK 7 RST# 8 RX1 6 4 VBAT 1 GBAT 2 R4 Q5 Q1 OE OE OUT OUT VDD VDD LED1 R27 R28 C21 R10 R12 C7 C8 JP JP1 1 2 TCK TCK CAP_VIN CAP_VIN RTC_MOSI RTC_MISO RTC_SCLK RTC_CS CAP_VIN_CTRL CAP_VIN_CTRL TB3OUT TB3OUT LATCH_CTRL LIGHT_CTRL LIGHT_CTRL RTC_CLKOUT RTC_INT ADC3 ADC3 ADC4 ADC4 ADC5 ADC5 ADC6 ADC6 ADC7 ADC7 P1.5 P1.5 P1.6 P1.6 P1.7 P1.7 P2.0 P2.0 P2.3 P2.3 EXT_2_5V_REF EPIC Core Circuit A Capacitor Voltage Measurement #Connect a fast stabalizing external VREF to accurate ADC readings

2 VCAP SCM1 SOLAR_CELL_MOUNT C5 C2 C1 C6 C9 100uF 100uF 100uF 100uF 100uF 3 2 Over voltage discharge path S3 VDD OUT 1 TC54VC 2.9V R13 10nF 1K C4 3 2 S4 VDD OUT 1382S 2.2V 1 VCAP Open Drain Active Low Secondary Trigger SECONDARY_TRIGGER_PMOS Q2 R8 Q4 100K R1 DNP R11 1K R19 100K R2 100K TRIP_NMOS RTC_INT LATCH_NMOS Q7 LATCH_PMOS Q3 LATCH_CTRL_PMOS _EN Q6 R16 100K VCAP R3 100K R9 100K R5 100K R17 1K LATCH_CTRL Currently, SCAP is connected to via 1K resistor. L3 4.7uH 1 U2 PI Filter VCAP C18 4.7uF _EN 6 3 SW VOUT VIN VFB EN 5 4 R6 976K VOUT C19 10uF C14 10uF 10uH L1 C16 10uF 2 MCP1640 R7 562K Voltage Detection Circuit Switching Regulator 2

3 #Remove the 32KHz crystal on Epic core. Solder RTC_CLKOUT to ACLK input instead. RTC_SCLK RTC_MOSI RTC_MISO RTC_CS R18 100K RTC_CLKOUT 1 SCL VDD 20 2 SDI VBAT 19 3 SDO BBS 18 BSS 4 SDA/CE INT 17 RTC_INT 5 IFS RST 16 1nF 6 TS PFI 15 C20 7 CLKOUT PFO 14 8 VSS TEST 13 9 NC9 NC NC10 NC11 11 U3 PCF2127A.1uF C11 B1 BUTTON_CELL.1uF C10 #SCAP stuff removed Real Time Clock 3

4 Top and Bottom Layers JP1 R10 R13 4

5 Top Layer JP1 R13 5

6 Bottom Layer R10 6

7 Top Copper Layer 7

8 Bottom Copper Layer 8

9 Top Paste Layer with Silkscreen JP1 R13 9

10 Bottom Paste Layer with Silkscreen R10 10

11 Top and Bottom Layers 1:1 Scale JP1 R10 R13 11

12 Top Layer 1:1 Scale 12

13 Bottom Copper Layer 1:1 Scale 13

14 Partlist exported from /Users/lohityerva/Dropbox/Eagle/Gecko/Gecko with revb/gecko.sch at 6/14/12 Qty Value Device Parts Digi-Key (others) 1 LED0603 * 0Ohm Resistor ****** 4.1uF CAP0603-CAP 7 1K R-US_R nF CAP0603-CAP 1 4.7uF CAP0603-CAP 1 4.7uH INDUCTOR 2 10nF CAP uF CAP0805 Order from coilcraft direct -> 1 10uH L-USL2012C (0805 layout) 1 47K RESISTOR0603-RES K R-US_R

15 5 100uF C-USC ND RESISTOR 1 562K RESISTOR0603-RES 1 976K RESISTOR0603-RES S 2.2V 1382 MN1382SCPCT-ND 1 BUTTON_CELL BUTTON_CELL 3000KCT-nd 1 EPIC-CORE_A EPIC-CORE_A 4 PMOS PMOSSOT23 SI2305ADS-T1-GE3CT-ND 2 NMOS MOSFET-NCHANNELSMD ND 1 MCP1640 MCP1640 MCP1640T-I/CHYCT-ND 1 PCF2127A PCF2127A 1 SOLAR_CELL_MOUNT SOLAR_CELL_MOUNT (Dropbox Eagle part) 15

16 2 TC54VC 2.9V 1382 TC54VC2902ECB71CT-ND 1 TC1047A TC1047A 1 TSL237T TSL237T 856-TSL237T 16

17 2 10:16 PM Discription RED? LED1 Look at schematic SCAP1 C10 C11 C7 C8 R13 R20 R10 R11 R17 R28 R23 C20 C18 EPL MLB L3 C4 C21 C14 C16 C19 L1 R4 R18 R2 R3 R5 R8 R9 R16 R19 17

18 CAP TANT 100UF 6.3V 20% 1210 (low DCL) C1 C2 C5 C6 C9 R12 R7 R6 IC VOLT DETECT 2.0V CMOS SMD S4 HOLDER BATTERY COIN 12MM DIA SMD B1 U1 MOSFET P-CH 8V 5.4A SOT23-3 Q6 Q3 Q1 Q4 MOSFET N-CH 30V 4.9A SOT-23 Q7 Q5 Q2 IC BOOST SYNC ADJ 0.1A SOT23-6 U2 U3 GECKO-SOLAR-MOUNT-A SCM1 18

19 IC VOLT DETECTOR 2.9V SOT23A S1 S3 TEMP U4 19

20 R27 R22 20

21 21

22 22