4 layers81.3 × 109.2 mm
2 layers69.8 × 30.1 mm
Nicadpwr
kloper/nicadpwrCharger for Nickel-Cadmium 1.2v x4 battery pack
- Size
- 69.8 × 30.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 31
- Nets
- 17
- Pads
- 87
- Tracks, vias
- 243, 8
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 17 Jan 2018
- Updated
- 19 Feb 2018
Overview
Nicadpwr is an open-source printed circuit board by kloper, from the kloper/nicadpwr repository on GitHub. It is a 2-layer board of 69.8 × 30.1 mm with 31 parts on 17 nets, routed with 243 tracks and 8 vias.
It is built around the MC34063A, OPA237NA/3K and RS1M, with the SI4562DY-VB among its other parts. Its parts include 11 resistors, 5 connectors, 3 capacitors, 3 diodes and 2 ICs. It belongs with the power boards of this library.
Main components
4
MC34063A
SOP-8-40℃~+85℃@(TA) 1 1.5A 38kHz 3V~36V Adjustable Boost、Buck、Inverting Buck、Boost Built-in No SOP-8 DC-DC Converters ROHSSlkorDC-DC Converters
OPA237NA/3K
SOT-23-5-18V~-1.35V、1.35V~18V -40℃~+85℃ 0.5V/us 1 1.5MHz 10nA 10nA 2.7V~36V 250uV 28nV/√Hz@1kHz 2uV/℃ 350uA 4mA 85dB Built-in compensation Rail-to-Rail Input, Rail-to-Rail Output SOT-23-5 Precision Op Amps ROHSTexas InstrumentsPrecision Op Amps
RS1M
SMA(DO-214AC)-55℃~+150℃ 1 Independent 1.3V@1A 1A 1kV 2uA@1000V 30A 500ns SMA(DO-214AC) Fast Recovery / High Efficiency Diodes ROHShongjiachengFast Recovery / High Efficiency Diodes
SI4562DY-VB
SOIC-81 N-Channel + 1 P-Channel 18mΩ@10V 30V 8A SOIC-8 MOSFETs ROHSVBsemi ElecMOSFETs
Parts
31| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 100K | Resistors_SMD:R_0805_HandSoldering | R1, R4, R5, R6, R11 |
| 2 | 100 | Resistors_SMD:R_0805_HandSoldering | R2, R9 |
| 2 | 47K | Resistors_SMD:R_0805_HandSoldering | R3, R10 |
| 2 | RS1M | Diodes_SMD:D_SMA_Handsoldering | D1, D2 |
| 2 | Si4562DY | Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm | Q1, Q3 |
| 1 | 100uF | Capacitors_Tantalum_SMD:CP_Tantalum_Case-U_EIA-6032-15_Hand | C1 |
| 1 | 180 | Resistors_SMD:R_0805_HandSoldering | R7 |
| 1 | 1N5819 | Diodes_ThroughHole:D_5W_P10.16mm_Horizontal | D4 |
| 1 | 22 | Resistors_SMD:R_0805_HandSoldering | R8 |
| 1 | 220uF | Capacitors_ThroughHole:CP_Radial_D6.3mm_P2.50mm | C7 |
| 1 | 221uH | Inductors:Inductor_Taiyo-Yuden_NR-80xx_HandSoldering | L1 |
| 1 | 700pF | Capacitors_SMD:C_0805_HandSoldering | C4 |
| 1 | CONN_BAT | Socket_Strips:Socket_Strip_Straight_1x02_Pitch2.54mm | P3 |
| 1 | CONN_SENSE | Socket_Strips:Socket_Strip_Straight_1x02_Pitch2.54mm | P1 |
| 1 | CONN_VOUT | Socket_Strips:Socket_Strip_Straight_1x02_Pitch2.54mm | P4 |
| 1 | MC34063A | nicadpwr:MC34063A-DIP8 | U3 |
| 1 | OPA237NA | TO_SOT_Packages_SMD:SOT-23-5_HandSoldering | U1 |
| 1 | TP1_VCHARGE | Connect:Pin_d0.9mm_L10.0mm_W2.4mm_FlatFork | P5 |
| 1 | USB_B | Connect:USB_Mini-B | P2 |
The 27 most common of 31 parts.
Questions
How big is the Nicadpwr PCB?
It measures 69.8 × 30.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Nicadpwr use?
31 parts, built around the MC34063A, OPA237NA/3K, RS1M and SI4562DY-VB. 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 Nicadpwr KiCad files?
From the kloper/nicadpwr repository on GitHub, at the commit this page was made from: the board is board/nicadpwr.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Nicadpwr design in my own project?
Its repository states no licence, so its author keeps all rights: ask kloper before reusing the design.
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