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updated BOM for PCB 3.2b

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ole00 2024-04-27 11:10:29 +01:00
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bom.txt
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@ -1,8 +1,8 @@
BOM for Afterburner PCB 3.1 BOM for Afterburner PCB 3.2b
============================ ============================
* (R1 - 4x) Resistor 4k7 (TH or SMT 0805) 0.25W, 5% or better tolerance - 4x * (R1 - 5x) Resistor 4k7 (TH or SMT 0805) 0.25W, 5% or better tolerance - 5x
* (R8, R4) Resistor 10k (TH or SMT 0805) 1% or better tolerance - 2x * (R8, R4) Resistor 10k (TH or SMT 0805) 1% or better tolerance - 2x
* (R5) Resistor 100k (TH or SMT 0805) 1% or better tolerance - 1x * (R5, R18) Resistor 100k (TH or SMT 0805) 1% or better tolerance - 2x
* (R6) Resistor 20k (TH or SMT 0805) 1% or better tolerance - 1x * (R6) Resistor 20k (TH or SMT 0805) 1% or better tolerance - 1x
* (R7, R3, R2) Resistor 3k3 (TH or SMT 0805) 1% or better tolerance - 3x * (R7, R3, R2) Resistor 3k3 (TH or SMT 0805) 1% or better tolerance - 3x
* (R9) Cermet trimmer (TH Suntan TSR-3362P-202R 2k) - 1x * (R9) Cermet trimmer (TH Suntan TSR-3362P-202R 2k) - 1x
@ -26,3 +26,29 @@ BOM for Afterburner PCB 3.1
* 40 Pin Male Single Row Strip 2.54mm Pin Header Connector 0.1" Straight - 1x * 40 Pin Male Single Row Strip 2.54mm Pin Header Connector 0.1" Straight - 1x
* Arduino UNO * Arduino UNO
OPTIONAL features
-----------------
on-board voltage booster (replacement for MT3608 module)
* (R10, R13 ,R14) Resistor 100k (TH or SMT 0805) 1% or better tolerance - 3x
* (R11) Resistor 4k7 (TH or SMT 0805) 0.25W, 1% or better tolerance - 1x
* (R12) Resistor 3k3 (TH or SMT 0805) 1% or better tolerance - 1x
* (C10) Capacitor ceramic 1uF, 9V or higher (TH or SMT 0805) - 1x
* (D2) Diode Schottky SK14, 1A 40V (SMT package DO-214AC-2 )
or alternative TH Schottky diode 1N5818
* (L1) Inductor 10uH, NLCV32T-100K-PF (SMT package 1210)
or alternative TH: AICC-02-100K-T Axial inductor
* (U3) Voltage booster MIC2619 (SOT-23-6) with over voltage protection (OVP)
or alternative MIC2250 (SOT-23-5) without OVP, R10, R11 and R12 not required
or possibly TPS61040DBVR (SOT-23-5) without OVP - not tested yet
SPI-RAM: extra memory for UNO (not used ATM. Can be soldered later if needed)
* (R15, R16) Resistor 10k (TH or SMT 0805) 5% or better tolerance - 2x
* (R17) Resistor 4k7 (TH or SMT 0805) 0.25W, 5% or better tolerance - 1x
* (C11) Capacitor ceramic 100nF 10V or higher (TH or SMT 0805) - 1x
* (Q2,Q3) N-MOSFET (SMT: BSS138P - SOT23 or TH: BS170G - TO92, or similar) - 2x
* (U4) SPI-RAM 5V, 23LC1024, DIP or SOIC-8, alternative 23LC512 or 23LCV512 or 23LCV1024