SWRU359F September   2015  – December 2021 WL1801MOD , WL1805MOD , WL1831MOD , WL1835MOD

 

  1.   Trademarks
  2.   Warning
  3. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 TI Module Key Benefits
  4. 2Board Pin Assignment
    1. 2.1 Pin Descriptions
  5. 3Electrical Characteristics
  6. 4Approved Antenna Types and Maximum Gain Values
  7. 5On-Board Antenna Configuration
    1. 5.1 VSWR
    2. 5.2 Efficiency
    3. 5.3 Radio Pattern
    4. 5.4 ANT1
    5. 5.5 ANT2
  8. 6Circuit Design
    1. 6.1 Schematic
    2. 6.2 Bill of Materials (BOM)
  9. 7Layout Guidelines
    1. 7.1 Board Layout
  10. 8Revision History

6.2 Bill of Materials (BOM)

Table 6-1 lists the bill of materials.

Table 6-1 BOM
1TI WL1835 Wi-Fi/Bluetooth ModuleWL18MODGBU1
2XOSC 3225 / 32.768 kHz / 1.8 V / ±50 ppm7XZ3200005OSC1
3ANT / Chip / 2.4 GHz, 5 GHz / Peak Gain >5 dBiANT016008LCD2442MA1ANT1, ANT2
4CON Male 1x2 / PitchP301-SGP-040/028-02J1, J3, J4
5DC JUMPER / PITCH 2.0 mmCMJ-20BBJ1, J3
6Mini RF Header ReceptacleU.FL-R-SMT-1(10)J5, J6
7IND 0402 / 1.1 nH / ±0.05 nH / SMDLQP15MN1N1W02L1
8IND 0402 / 1.5 nH / ±0.05 nH / SMDLQP15MN1N5W02L2
9CAP 0402 / 1.2 pF / 50 V / C0G / ±0.1 pFGJM1555C1H1R2BB01C11
10CAP 0402 / 2.2 pF / 50 V / C0G / ±0.1 pFGJM1555C1H2R2BB01C9
11CAP 0402 / 4 pF / 50 V / C0G / ±0.1 pFGJM1555C1H4R0BB01C14
12CAP 0402 / 8 pF / 50 V / C0G / ±0.1 pFGJM1555C1H8R0BB01C13
13CAP 0402 / 10 pF / 50 V / NPO / ±5%0402N100J500LTC7, C8
14CAP 0402 / 0.1 µF / 6.3 V / X7R / ±10%0402B104K100CTC3, C4
15CAP 0402 / 1 µF / 6.3 V / X5R / ±10% / HFGRM155R60J105KE19DC1
16CAP 0603 / 10 µF / 6.3 V / X5R / ±20%C1608X5R0J106MC2
17RES 0402 / 0R / ±5%WR04X000 PTLR1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, R32
18RES 0402 / 10K / ±5%WR04X103 JTLR20