Divimath, Inc
Divimath 70A ESC
Divimath 70A ESC
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Divimath 4-in-1 70A ESC (AM32)
The Divimath 4-in-1 70A ESC is engineered for applications that demand stable power delivery, strong thermal performance, and predictable behavior under load. Built around a high-efficiency split-board architecture and AM32 firmware, this ESC provides smooth motor control and exceptional electrical stability for professional unmanned systems.
A copper bus bar and 8-layer PCB with 3oz copper ensure rapid current flow during high-throttle bursts while maintaining excellent thermal balance. The control and power stages are electrically separated to reduce noise and help protect flight-critical electronics from transient voltage spikes.
Each motor channel supports 70A continuous operation (up to 30 seconds) and 100A burst capability—ideal for high-performance propulsion systems that require rapid throttle transitions or heavy lift performance. Designed to stack seamlessly with the Divimath Mini Flight Controller, this ESC forms a compact and reliable platform for professional UAS builds.
Key Features
- AM32 firmware for smooth, predictable motor control
- Split-board design with copper bus bar for improved thermal and electrical performance
- 8-layer PCB with 3oz copper per layer for excellent current handling
- 24 MOSFET architecture (6 per motor) for durability and consistent output
- 70A continuous per motor / 100A burst capability
- Optimized to stack with the Divimath Mini Flight Controller
- Supports 3S to 8S operation (9V – 40V)
- Telemetry supported
- Conformal coating for moisture and dust protection
- Dual-sided solder pads for flexible installation
- 20×20mm mounting pattern with included grommets
Specifications
| Parameter | Value |
|---|---|
| MCU | AT32F421 (120MHz) |
| Firmware | AM32 (Target: HDZ_ESC_1R0_F421) |
| Input Voltage | 9V – 40V (3S – 8S) |
| Max Current | 70A continuous ×4 / 100A burst ×4 |
| Signal Input | DShot 150/300/600/1200/2400, MultiShot, OneShot |
| Telemetry | Supported |
| Current Sensor | Scale = 170, Offset = 0 |
| Output to FC | VBAT |
| Dimensions | 33 × 43 mm |
| Mounting | 20×20mm (Φ4mm holes with Φ3mm grommets) |
| Weight | 13.4g |
Includes
- 1× Divimath ESC
- 5× Rubber Grommet (6.6 mm)
- 5× Rubber Grommet (8.0 mm)
- 5× M3 Nylon Nut
- 5× 1mm M3 Nylon Washer
- 1× ESC Cable (8-pin SH1.0, 30 mm)
- 1× 8-pin SH1.0 Connector
- 1× 80mm 12AWG XT60
- 1× 35v Capacitor
NDAA Compliant
Country of Origin: Thailand
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