SWRU382E July   2014  – November 2023 WL1807MOD , WL1837MOD

 

  1.   1
  2.   WL1837MODCOM8I WLAN MIMO and Bluetooth Module Evaluation Board for TI Sitara Platform
  3.   Trademarks
  4.   Warning
  5. 1Overview
    1. 1.1 General Features
    2. 1.2 Key Benefits
    3. 1.3 Applications
  6. 2Board Pin Assignment
    1. 2.1 Pin Description
    2. 2.2 Jumper Connections
  7. 3Electrical Characteristics
  8. 4Approved Antenna Types and Maximum Gain Values
  9. 5Antenna Characteristics
    1. 5.1 VSWR
    2. 5.2 Efficiency
    3. 5.3 Radio Pattern
  10. 6Circuit Design
    1. 6.1 EVB Reference Schematics
    2. 6.2 Bill of Materials (BOM)
  11. 7Layout Guidelines
    1. 7.1 Board Layout
  12. 8Ordering Information
  13. 9Revision History

6.2 Bill of Materials (BOM)

Table 6-1 lists the BOM for the EVB.

Table 6-1 BOM
ItemDescriptionPart NumberPackageReferenceQtyMfr
1TI WL1837 Wi-Fi / Bluetooth moduleWL1837MODGI13.4 mm x 13.3 mm x 2.0 mmU11Jorjin
2XOSC 3225 / 32.768KHZ / 1.8 V / ±50 ppm7XZ32000053.2 mm × 2.5 mm × 1.0 mmOSC11TXC
3Antenna / Chip / 2.4 and 5 GHzW300610.0 mm × 3.2 mm × 1.5 mmANT1, ANT22Pulse
4Mini RF header receptacleU.FL-R-SMT-1(10)3.0 mm × 2.6 mm × 1.25 mmJ5, J62Hirose
5Inductor 0402 / 1.3 nH / ±0.1 nH / SMDLQP15MN1N3B020402L11Murata
6Inductor 0402 / 1.8 nH / ±0.1 nH / SMDLQP15MN1N8B020402L31Murata
7Inductor 0402 / 2.2 nH / ±0.1 nH / SMDLQP15MN2N2B020402L41Murata
8Capacitor 0402 / 1 pF / 50 V / C0G / ±0.1 pFGJM1555C1H1R0BB010402C131Murata
9Capacitor 0402 / 2.4 pF / 50 V / C0G / ±0.1 pFGJM1555C1H2R4BB010402C141Murata
10Capacitor 0402 / 0.1 µF / 10 V / X7R / ±10%0402B104K100CT0402C3, C42Walsin
11Capacitor 0402 / 1 µF / 6.3 V / X5R / ±10% / HFGRM155R60J105KE19D0402C11Murata
12Capacitor 0603 / 10 µF / 6.3 V / X5R / ±20%C1608X5R0J106M0603C21TDK
13Resistor 0402 / 0R / ±5%WR04X000 PTL0402R1 to R4, R6 to R19, R21 to R30, R33, C5, C6(1)31Walsin
14Resistor 0402 / 10K / ±5%WR04X103 JTL0402R201Walsin
15Resistor 0603 / 0R / ±5%WR06X000 PTL0603R31, R322Walsin
(1) C5 and C6 are mounted with a 0-Ω resistor by default.