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Access Point Schematics, Layout, and BOM
Table 4-11. eZ430-Chronos-868 Access Point With White PCB, BOM List
Designator
Value
Tolerance
Footprint
Description
Manufacturer
C1
2.2 nF
±10%, X7R
402
Capacitor SMD
C2
100 nF
±10%, X5R or X7R
402
Capacitor SMD
C3
100 nF
±10%, X5R or X7R
402
Capacitor SMD
C4
100 nF
±10%, X5R or X7R
402
Capacitor SMD
C5
470 nF
±10%, X5R
402
Capacitor SMD
C6
220 nF
±10%, X5R
402
Capacitor SMD
C7
220 nF
±10%, X5R
402
Capacitor SMD
C8
100 nF
±10%, X5R or X7R
402
Capacitor SMD
C9
100 nF
±10%, X5R or X7R
402
Capacitor SMD
C10
100 nF
±10%, X5R or X7R
402
Capacitor SMD
C11
100 nF
±10%, X5R or X7R
402
Capacitor SMD
C12
100 nF
±10%, X5R or X7R
402
Capacitor SMD
C13
100 nF
±10%, X5R or X7R
402
Capacitor SMD
C14
100 nF
±10%, X5R or X7R
402
Capacitor SMD
C15
15 pF
±5%, COG/NP0
402
Capacitor SMD
C16
15 pF
±5%, COG/NP0
402
Capacitor SMD
C17
N.A.
C18
1.8 pF
±0.1pF, COG/NP0
402
Capacitor SMD
Johanson 500R07S1R8BV4
C20
10 pF
±5%, COG/NP0
402
Capacitor SMD
C21
10 pF
±5%, COG/NP0
402
Capacitor SMD
C22
100 nF
±10%, X5R or X7R
402
Capacitor SMD
C23
1.0 µF
±10%, X5R
402
Capacitor SMD
C24
100 nF
±10%, X5R or X7R
402
Capacitor SMD
C25
1.0 µF
±10%, X5R
402
Capacitor SMD
D1
green
603
LED SMD
E1
0868AT43A0020
Chip Antenna 868MHz
Johanson
L1
22 nH
±5%
402
Inductor Monolithic SMD
Johanson L-07C22NJV6
P1
USB Type A
USB Plug
e.g. Lumberg 241007
CUSTOM, solder
PCB, 4 layers, 0.8 mm
PCB1
stop white
thick
R1
47k
±5%
402
Resistor SMD
R2
270R
±5%
402
Resistor SMD
R3
N.A.
R4
1M
±5%
402
Resistor SMD
R5
1.4k
±5%
402
Resistor SMD
R6
27R
±5%
402
Resistor SMD
R7
27R
±5%
402
Resistor SMD
R8
100R
±5%
402
Resistor SMD
R9
56k
±1%
402
Resistor SMD
R10
0R
±5%
402
Resistor SMD
R11
0R
±5%
402
Resistor SMD
R12
0R
±5%
402
Resistor SMD
MSP430F5509IRG
U1
QFN48
MCU
TI
ZR
U2
CC1101RTKR
QLP20
ISM Transceiver
TI
U3
0868BM15C0001
Balun 868MHz
Johanson
U4
TPD2E001DRLR
DRL5
ESD Protection
TI
U5
TPS78225DDCR
TSOT23-5
Linear Regulator
TI
26MHz, CL=10pF,
Y1
±10ppm
3.2 x 2.5 mm
Crystal SMD
Epson TSX3225-X1E000021014300
ESR
≤
40
Ω
32.768kHz,
1.5 x 1.5 x
Y2
CL=12.5pF,
±20ppm
Crystal SMD
MicroCrystal MS3V-T1R
6.7 mm
ESR
≤
80k
Ω
118
eZ430-Chronos Hardware
SLAU292F – November 2009 – Revised October 2013
Copyright © 2009–2013, Texas Instruments Incorporated