ET-MD12
BTN8982 High-Current H-Bridge
12 V H-bridge for big DC motors, protected, current sense
AED 25.00
Out of stockOverview
12 V H-bridge for big DC motors, protected, current sense
The ET-MD12 is built around the 2 × Infineon BTN8982TA NovalithIC half-bridges — 40V abs. max, 8–18V nominal, ~10mΩ path, 30A-class motors. It runs from VS 8–18V (12V systems) on screw terminals.
Designed in Dubai by ElectroTrical — the full schematic, BOM and design notes are published below.
Good for
- Ride-on toys and big robots
- Winches and actuators
- E-bike experiments (12 V)
Key features
What makes it different
Driver
2 × Infineon BTN8982TA NovalithIC half-bridges: 40V abs. max, 8–18V nominal, ~10mΩ path, 30A-class motors
Control
IN + INH per half-bridge, 3.3/5V logic, PWM up to 25kHz
Supply
VS 8–18V (12V systems) on screw terminals
Protection
Overcurrent, overtemperature, undervoltage, current sense + fault on IS
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
| Driver | 2 × Infineon BTN8982TA NovalithIC half-bridges: 40V abs. max, 8–18V nominal, ~10mΩ path, 30A-class motors |
|---|---|
| Control | IN + INH per half-bridge, 3.3/5V logic, PWM up to 25kHz |
| Supply | VS 8–18V (12V systems) on screw terminals |
| Protection | Overcurrent, overtemperature, undervoltage, current sense + fault on IS |
| Size | 60.0 × 45.0 mm |
|---|---|
| Mounting | 4 × M2.5 holes, 2.54 mm from each corner |
| Connectors | 8-pin 2.54 mm header · Screw terminal 2P 5.0mm 17A (THT) — VS in / motor out |
| Main IC | BTN8982TA (LCSC C74175) |
| Revision | Rev A |
| Libraries | PWM + direction; same control as the popular BTS7960 'IBT-2' boards |
|---|
Performance
Capability
Pinout
Pin map and connections
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VCC | Power | Spare pin, not connected (keeps 8-pin cable pinout) |
| 2 | GND | Ground | Ground |
| 3 | IN1 | Signal | Half-bridge 1 high/low |
| 4 | INH1 | Signal | Half-bridge 1 enable |
| 5 | IN2 | Signal | Half-bridge 2 high/low |
| 6 | INH2 | Signal | Half-bridge 2 enable |
| 7 | IS1 | Signal | Current sense 1 (analog) / fault flag |
| 8 | IS2 | Signal | Current sense 2 (analog) / fault flag |
Mechanical
Dimensions and what's in the box
In the box
- 1 × ET-MD12 BTN8982 High-Current H-Bridge (assembled)
- 1 × 8-pin 2.54 mm male header, unsoldered
Getting started
- Wire the header: VCC, GND, IN1, INH1, IN2, INH2
- Libraries: PWM + direction
Compare
Which DC motor driver?
| BTN8982 High-Current H-Bridge (this board)This board | ET-MD11 DRV8874 DC Motor Driver 6 A | ET-MD03 DRV8871 3.6 A DC Motor Driver | ET-MD01 DRV8833 Dual Motor Driver | |
|---|---|---|---|---|
| What it does | 12 V H-bridge for big DC motors, protected, current sense | Single H-bridge, 4.5–37 V, current sense and limit | Single brushed motor up to 30 V with built-in current limit | Two DC motors or one stepper, 2.7–10.8 V, 1.5 A per channel |
| Interface | IN + INH per half-bridge, 3.3/5V logic, PWM up to… | PH/EN or PWM IN1/IN2 (JP1), 3.3/5V logic, up to… | — | — |
| Best for | Ride-on toys and big robots | Robot drive motors | Bigger gearmotors and linear actuators | Small robots and rovers |
| Price | 25 AED | 29 AED | 23 AED | 15 AED |
Downloads
Documents and design files
Need a custom version of this board?
Different connector, size or sensor? We design and build custom variants.