HARGRAVE TECHNOLOGIES nanoDRIVE 4LPi
NDAA COMPLIANT 4-in-1 Brushless Motor ESC
NEW FOR 2025
Available for pre-order.
Shipping estimate: May 1, 2025.
- 4 x 20/40 amp (continuous/peak) ESCs on one board
- 7-34V (8S) input
- 5 V 2.5A BEC
- FOCAL + trapezoidal commutation for maximum efficiency
- NDAA compliant
- CAN control option (DroneCAN, ARINC825)
- DShot150 & DShot600
- Greatly simplifies multirotor wiring
- Great choice for most budgets
Call or email Neutronics for pricing.
(858) 674-2250
Specifications
| PARAMETER (UNIT) | VALUE | NOTES |
| Nominal Power Supply Voltage | (V) 7 – 34 [3S – 8S] | The recommended operating range for the units. |
| Absolute Power Supply Voltage | (V) 6 – 35 | Breaching absolute limits will result in unexpected shutdowns or unit failures. |
| Rated Phase Current | (A) 20 Per Channel. | Indefinitely, when appropriately cooled. |
| Peak Phase Current | (A) 40 | Per Channel. When appropriately cooled. |
| NDAA Compliance | Standard | NDAA Compliant |
| Country of Origin | Australia | |
| Weight (g) | 20 [0.7 oz] | Base weight only, not including options. |
| CAN Bus Support | DroneCAN, ARINC825* | Other protocols can be requested.*ARINC825 support to be added in future firmware update. |
| CAN Bus Termination | ✓ | Selectable with solder jumper. |
| Auxiliary Output Rail / BEC | 5V, 2.5A | Can supply up to 2.5A |
| Telemetry | ✓ | CAN, Serial and PWM telemetry supported. |
| Firmware Updates | ✓ | Firmware update through CAN interface |
| DShot Support | DShot150 – DShot600 | Standard and Bi-Directional DShot supported. |
| Servo PWM Support | ✓ | 50-499 Hz input frequencies supported. |
| Input Resolution | 10-bit | Resolution on DShot and PWM input signals. |
| Minimum Switching Frequency (kHz) | 4 | Automatic switching, configurable range. |
| Maximum Switching Frequency (kHz) | 64 | Automatic switching, configurable range. |
| Commutation Types | FOCAL and Trapezoidal | Configurable motor control algorithm. |
| Efficiency | Up to 99% | Maximum achievable efficiency. 2-pole motor speed. |
| Maximum RPM (Trapezoidal) (eRPM) | 500,000 | 2-pole motor speed. |
| Maximum RPM (FOCAL) (eRPM) | 200,000 | 2-pole motor speed. |
| Telemetry | ✓ | CAN, Serial and PWM telemetry supported. |
| Firmware Updates | ✓ | Firmware update through CAN interface |
| DShot Support | DShot150 – DShot600 | Standard and Bi-Directional DShot supported. |
| Servo PWM Support | ✓ | 50-499 Hz input frequencies supported. |
| Input Resolution | 10-bit | Resolution on DShot and PWM input signals. |
| Regenerative Braking | ✓ | Configurable operation. |
| IP Rating | × | No ingress protection, this unit relies on the user to provide an appropriate enclosure. |
| Operating Temperature (°C) | -20 – 110 [-4 - 230°F] | Continuous operation above 85°C [185°F] may reduce lifetime of unit. |
FOCAL COMMUTATION
Hargrave Technologies’ FOCAL algorithm sets a new standard for sensorless motor drives. Optimised for the most demanding UAS applications, FOCAL combines the low-speed efficiency of FOC with the high-RPM performance of trapezoidal drive – with no tuning required.
While standard FOC can see higher peak efficiencies in a perfectly tuned combination, this is rarely true in real-world missions. Diverse flight profiles, environmental conditions and production variations all reduce the practical efficiency of FOC.
FOCAL has been developed to bridge the gap, constantly adapting to provide industry-leading transient response and optimised efficiency and acoustic signature.
Designed and manufactured in Australia.
Stocked and supported in the US by Neumotors.
