4 layers43.4 × 19.4 mm
2 layers76.9 × 38.8 mm
DjiFriend
theloukou/djiFriend1Device for managing DJI Mini/Mini2 batteries
- Size
- 76.9 × 38.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 46
- Nets
- 51
- Pads
- 186
- Tracks, vias
- 294, 47
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 17 Oct 2022
- Updated
- 20 Nov 2022
Overview
DjiFriend is an open-source printed circuit board by theloukou, from the theloukou/djiFriend repository on GitHub. It is a 2-layer board of 76.9 × 38.8 mm with 46 parts on 51 nets, routed with 294 tracks and 47 vias.
It is built around the ATMEGA328P-AU, MT3608 and BQ24005PWP, with the BSS84W, ECS-160-8-33B-CTN-TR and FSMRA4JH04 among its other parts. Its parts include 14 capacitors, 12 resistors, 5 diodes, 4 ICs and 3 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
7
ATMEGA328P-AU
TQFP-32(7x7)-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 2KB 32KB 8 Bit AVR Built-in FLASH TQFP-32(7x7) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
MT3608
SOT-23-6-40℃~+85℃ 1 1.2MHz 100uA、1.6mA 2A 2V~24V Adjustable Boost Boost Built-in No SOT-23-6 DC-DC Converters ROHS西安航天民芯DC-DC Converters
BQ24005PWP
HTSSOP-20-EP-40℃~+125℃ 1.2A 1mA 2 5.75V 8.4V 8.4V~10V Charging IC Lithium Battery Support Support HTSSOP-20-EP Battery Management ROHSTexas InstrumentsBattery Management
BSS84W
SOT-323-55℃~+150℃ 1 P-Channel 10Ω@5V 12pF 130mA 200mW 25pF 2V 45pF 50V P-Channel SOT-323 MOSFETs ROHSDiodes IncorporatedMOSFETs
ECS-160-8-33B-CTN-TR
SMD3225-4P-40℃~+85℃ 16MHz 60Ω 8pF ±10ppm ±20ppm SMD3225-4P Crystals ROHSECSCrystals
FSMRA4JH04
插件-4P,7.1x7mm-40℃~+105℃ 100 thousand cycles 24V 50mA 7.01mm 7.11mm Black No PC Pin Right Angle Round Button SPST With Bracket Plugin-4P,7.1x7mm Tactile SwitchesTE ConnectivityTactile SwitchesIFSC1111ABER100M01
-1.26A 10uH 1A 397mΩ ±20% - Power Inductors ROHSVishay IntertechnologyPower Inductors
README
README.mddjiFriend
Device for managing DJI Mini/Mini2 batteries
Parts
46| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C4, C9, C12, C13 |
| 3 | 22uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C7, C8, C11 |
| 3 | D_Schottky | Diode_SMD:D_SOD-323F | D1, D2, D5 |
| 2 | 10K | Resistor_SMD:R_0805_2012Metric | R4, R5 |
| 2 | 1K | Resistor_SMD:R_0805_2012Metric | R7, R9 |
| 2 | 220K | Resistor_SMD:R_0805_2012Metric | R8, R12 |
| 2 | 22pF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C5, C6 |
| 2 | 33K | Resistor_SMD:R_0805_2012Metric | R10, R11 |
| 2 | 47uF | Capacitor_SMD:CP_Elec_6.3x5.8 | C1, C2 |
| 2 | TestPoint | TestPoint:TestPoint_Pad_D1.5mm | RX1, TX1 |
| 1 | 0.1R | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R6 |
| 1 | 0.22uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C14 |
| 1 | 1.8in_Waveshare_LCD | GTO:1.8in Waveshare LCD | DS1 |
| 1 | 10K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2 |
| 1 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C10 |
| 1 | 140K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3 |
| 1 | 1K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 1 | AP1117-50 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | ATmega328P-A | Package_QFP:TQFP-32_7x7mm_P0.8mm | U3 |
| 1 | AVR-ISP-6 | Connector_PinHeader_2.00mm:PinHeader_2x03_P2.00mm_Vertical | J4 |
| 1 | BQ24005 | Package_SO:HTSSOP-20-1EP_4.4x6.5mm_P0.65mm_EP3.4x6.5mm_Mask2.4x3.7mm | U4 |
| 1 | BSS84W | Package_TO_SOT_SMD:TSOT-23 | Q1 |
| 1 | Batt | Connector_JST:JST_PH_S4B-PH-K_1x04_P2.00mm_Horizontal | J1 |
| 1 | ECS-160-8-33B-CTN-TR | Samacsys:ECS160833BCTNTR | Y1 |
| 1 | FSMRA4JH04 | Samacsys:FSMRA4JH04 | SW1 |
| 1 | IFSC1111ABER100M01 | Samacsys:IFSC1111ABER100M01 | L1 |
| 1 | INPUT | Button_Switch_THT:SW_TH_Tactile_Omron_B3F-10xx | SW2 |
| 1 | LED_CHG | LED_THT:LED_D3.0mm | D3 |
| 1 | LED_DONE | LED_THT:LED_D3.0mm | D4 |
| 1 | MT3608 | Package_TO_SOT_SMD:SOT-23-6 | U2 |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_Amphenol_10118194_Horizontal | J2 |
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Questions
How big is the DjiFriend PCB?
It measures 76.9 × 38.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the DjiFriend use?
46 parts, built around the ATMEGA328P-AU, MT3608, BQ24005PWP and BSS84W. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the DjiFriend KiCad files?
From the theloukou/djiFriend repository on GitHub, at the commit this page was made from: the board is pcb/djiFriend.kicad_pcb and its schematic pcb/djiFriend.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the DjiFriend design in my own project?
Its repository states no licence, so its author keeps all rights: ask theloukou before reusing the design.