HDZero Halo 70A AM32 3-8S 4-in-1 ESC for FPV Racing & Freestyle Drones

Introduction

The HDZero Halo 70A AM32 4-in-1 ESC is engineered for FPV pilots who demand the utmost in reliability, raw power, and elite throttle response. Built on a robust split-board architecture, it effectively isolates control and power sections, significantly enhancing thermal management and fault tolerance. This ESC is the ultimate power solution for high-performance FPV drones.

Key Advantages

• Engineered for maximum performance and durability in racing and freestyle FPV drones.
• Split-board architecture with a copper busbar for optimized throttle response.
• 8-layer PCB with 3 oz copper per layer and 24 MOSFETs for superior power handling.
• Exceptionally clean power delivery protects your flight controller from voltage spikes.
• Conformal coating provides protection against moisture, dust, and corrosion.
• Dual-sided motor solder pads for flexible build configurations.
• Supports high input voltage (3S-8S) and high current output (70A continuous, 100A burst).
• AM32 firmware ensures smooth and efficient motor control.

Technical Specifications

• MCU: AT32F421 (120 MHz)
• Firmware: AM32 2.18
• Target: HDZ_ESC_1R0_F421
• Input Voltage: 3S-8S (DC 9-40 V)
• Telemetry: Supported
• Signal Support: DShot150/300/600/1200/2400, MultiShot, OneShot
• Output Voltage: VBAT → FC
• Max Continuous Current: 70Ax4 (up to 30s)
• Max Burst Current: 100Ax4
• Current Sensor: Scale 170, Offset 0
• Motor Pads: Dual-sided
• Dimensions: 33 x 43 mm
• Mounting: 20 x 20 mm, Φ4 mm (with Φ3 mm grommets)

Applications

This ESC is perfectly suited for high-energy FPV applications, including professional FPV racing, extreme freestyle flying, and performance-oriented drone builds. Its robust design ensures it can handle the intense demands of competitive FPV.

Compatibility

Compatible with 3S to 8S LiPo batteries (9-40V DC). Features standard 20x20mm mounting pattern. Supports a wide range of digital ESC protocols including DShot150/300/600/1200/2400, MultiShot, and OneShot.

FAQ

What is the maximum input voltage for the HDZero Halo 70A AM32 ESC?

The HDZero Halo 70A AM32 ESC supports a wide input voltage range of 3S to 8S LiPo batteries, which translates to DC 9-40 Volts. This makes it versatile for various high-power FPV builds.

What makes the HDZero Halo 70A AM32 suitable for FPV racing and freestyle?

It's designed with a split-board architecture for better heat management, a robust 8-layer PCB with heavy copper, and provides 70A continuous / 100A burst current per motor. This ensures reliable power delivery and sharp throttle response crucial for aggressive flying.

Does the HDZero Halo 70A ESC offer protection against voltage spikes?

Yes, the HDZero Halo 70A ESC provides exceptionally clean power delivery, actively protecting your flight controller from damaging voltage spikes that can lead to component failure.

Where can I buy the HDZero Halo 70A AM32 4-in-1 ESC with fast delivery?

You can order the HDZero Halo 70A AM32 4-in-1 ESC directly from the HTDRONE store. We offer fast and reliable delivery options, including worldwide shipping via DHL, ensuring you get your FPV parts quickly.

What firmware does the HDZero Halo 70A AM32 ESC use?

This ESC runs on the AM32 firmware, version 2.18, utilizing an AT32F421 MCU running at 120 MHz. This combination ensures smooth, efficient, and highly responsive motor control.