VOTOL EM25P (LIN)
VOTOL EM25P is an entry-level 48V/60V sinewave controller with 25A rated DC current, suited for 1000-1200W PMSM/BLDC motors in small e-scooter / e-bike builds. 'P' variant is LIN-only with no CAN BUS support and no anti-theft system — the cheapest tier in VOTOL's EM-series. Features flux weakening, IP65 waterproofing, programmable via PC. Uses a simplified subset of VOTOL's 'Old Version' EM/SV-series connector architecture: 2 flush Mini-Fit Jr headers (function 2×8 + hall 2×3) + screw terminals for power/phase. No alarm/anti-theft port.
In brief: 48–60V controller. 25A continuous. 40A peak. Sinewave, dual mode, regen, field weakening support.
Specs verified Jul 17, 2026
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Specifications
Type
- VESC Based
- No
- Cooling
- Air
Electrical
- Voltage Range
- 48–60V
- Continuous Amps
- 25A
- Peak Amps
- 40A
- Max Phase Amps
- 120A
Motor Features
- Regen Support
- Yes
- Drive Mode
- Sinewave
- Sensor Mode
- Dual Mode
- Field Weakening
- Yes
- Self-Learning
- No
- Dual Motor Support
- No
- Controller Pairing
- No
Inputs
- Throttle Support
- Yes
- PAS Support
- No
Display
- Supports Display
- Yes
- Requires Display
- No
- Protocols
- SiAECOSYS ONE-LIN
Power Switch
- Supports Power Switch
- Yes
- Requires Power Switch
- No
- Requires Pre-charge
- No
Programming
- Via Display
- No
- Via Phone
- No
- Via PC
- Yes
Physical
- Weight
- 600 g
- IP Rating
- IP65
Ports & Connectors
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | Battery + |
| 2 | Black | Battery - |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Yellow | Phase A |
| 2 | Green | Phase B |
| 3 | Blue | Phase C |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | No color | None |
| 3 | Black | Ground |
| 4 | Yellow | Hall A |
| 5 | Green | Hall B |
| 6 | Blue | Hall C |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Gray / Purple | Power Switch Signal |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Purple | Brake Signal (High) |
| 2 | White | One-Wire Comm |
| 3 | No color | None |
| 4 | Black | Ground |
| 5 | Green | Throttle Signal |
| 6 | Pink | 5V Power |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Brown / White | Parking / E-Brake |
| 2 | Green / White | Gear Low |
| 3 | Yellow / White | Gear Sport |
| 4 | No color | None |
| 5 | Black | Ground |
| 6 | Black / White | Gear High |
| Pin | Wire color | Function |
|---|---|---|
| 1 | No color | None |
| 2 | Gray / White | Gear Reverse |
| 3 | No color | None |
| 4 | Gray / Black | Brake Signal (Low) |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Black | Ground |
| 2 | Pink | 5V Power |
| 3 | Orange | UART TX |
| 4 | Blue | UART RX |
| Pin | Wire color | Function |
|---|---|---|
| 1 | No color | None |
| 2 | Brown | One-Click Repair |
