ET-P07
LM66200 Ideal-Diode Power OR
Automatic switchover between USB-C and LiPo
AED 12.00
Out of stock✓ TestedEvery board is checked before it ships
🚚 Fast shippingUAE 1–3 days · GCC & worldwide
💬 Engineer supportQuestions answered by the designers
Overview
Automatic switchover between USB-C and LiPo
The ET-P07 is built around the TI LM66200: two 40mΩ ideal diodes, reverse blocking, 1.3µA Iq, controlled slew.
Designed in Dubai by ElectroTrical — the full schematic, BOM and design notes are published below.
Good for
- Seamless USB / battery switching
- UPS for small projects
- Dual-supply redundancy
Key features
What makes it different
Device
TI LM66200: two 40mΩ ideal diodes, reverse blocking, 1.3µA Iq, controlled slew
Inputs
1.6–5.5V each (USB-C + LiPo or two supplies)
Current
2.5A per channel
Open documentation
Schematic, BOM and layout notes published for every board.
Breadboard friendly
Standard 2.54 mm pitch and M2.5 mounting holes.
Specifications
Technical specifications
| Device | TI LM66200: two 40mΩ ideal diodes, reverse blocking, 1.3µA Iq, controlled slew |
|---|---|
| Inputs | 1.6–5.5V each (USB-C + LiPo or two supplies) |
| Current | 2.5A per channel |
| Size | 25.4 × 17.8 mm |
|---|---|
| Mounting | 4 × M2.5 holes, 2.54 mm from each corner |
| Connectors | 6-pin 2.54 mm header · USB-C 16P receptacle (USB 2.0) — USB-C power input · JST PH 2P R/A SMD (LiPo) — LiPo / second input |
| Main IC | LM66200DRLR (LCSC C3235556) |
| Revision | Rev A |
Performance
Power lost compared
Pinout
Pin map and connections
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VIN1 | Power | USB 5V |
| 2 | VIN2 | Power | Battery 1.6–5.5V |
| 3 | VOUT | Power | 2.5A max |
| 4 | GND | Ground | Ground |
| 5 | ON | Control | High = both off |
| 6 | ST | Output | High = VIN1 in use, low = VIN2 / fault |
Mechanical
Dimensions and what's in the box
In the box
- 1 × ET-P07 LM66200 Ideal-Diode Power OR (assembled)
- 1 × 6-pin 2.54 mm male header, unsoldered
Getting started
- Wire the header: VIN1, VIN2, VOUT, GND, ON, ST
Compare
Which battery board?
| LM66200 Ideal-Diode Power OR (this board)This board | ET-P01 MCP73831 USB-C LiPo Charger | ET-P02 BQ24074 Solar / USB-C Charger | ET-P09 LiPo Power Bank Module | |
|---|---|---|---|---|
| What it does | Automatic switchover between USB-C and LiPo | 500 mA / 100 mA single-cell LiPo charger, USB-C | Solar and USB-C LiPo charger with power path | USB-C charger plus 5 V 1 A boost |
| Interface | 1.6–5.5V each (USB-C + LiPo or two supplies) | USB-C 5V (Rd 5.1k → any USB-C source gives 5V);… | USB-C 5V and 2-pin terminal 5–10V (6V solar… | — |
| Best for | Seamless USB / battery switching | Charging LiPo cells for wearables | Solar-powered sensor nodes | Portable 5 V projects |
| Price | 12 AED | 22 AED | 49 AED | 49 AED |
Downloads
Documents and design files
Need a custom version of this board?
Different connector, size or sensor? We design and build custom variants.