Standard Stack: H743 FC + 85A ESC 4 in 1

Name: Standard Stack: H743 FC + 85A ESC 4 in 1
SKU: 39279
Price: 87.90 USD
Availability: InStock

High-endurance flight control and power system for professional 7-9" long-range FPV drones

Designed by ChatRobotic FPV Drones in China

Standard Stack: H743 FC + 85A ESC 4 in 1 1

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High-endurance flight control and power system for professional 7-9" long-range FPV drones

Standard Stack: H743 FC + 85A ESC 4-in-1 30x30 Technical Brief System Overview High-endurance flight control and power system for professional 7-9" long-range FPV drones, featuring industrial-grade S…

Standard Stack: H743 FC + 85A ESC 4-in-1 30x30 Technical Brief

System Overview

High-endurance flight control and power system for professional 7-9" long-range FPV drones, featuring industrial-grade STM32H743 processing and military-spec ESC design in a reinforced 30×30mm stackable architecture.

1. Flight Controller Specifications

Parameter	Specification
MCU	STM32H743VIT6 (480MHz Cortex-M7)
IMU	ICM-42688-P + BMI270 (dual SPI, 32kHz sync)
Blackbox	128MB Flash (32kHz logging)
Input Voltage	2-8S LiPo (11.1-33.6V)
BEC Outputs	5V@4A + 9V@3A + 12V@3A
Connectivity	8x UART, 3x I²C, 2x CAN FD, 1x Ethernet
USB Interface	Type-C with PD support
OSD Chip	AT7456E+ (4K resolution)
Board Size	38×38mm
Board Weight	13.8g

2. 75A 4-in-1 ESC Specifications

Parameter	Specification
MCU	STM32H750 (480MHz Cortex-M7)
Continuous Current	85A/channel (400A peak)
Burst Current	120A/channel (3 seconds)
Protocols	DShot1200, Proshot32, BiDirectional DShot
Input Voltage	3-8S LiPo (11.1-33.6V)
Current Sensor	±0.8% accuracy hall sensors
Board Size	42×42mm
Board Weight	35.2g

3. Combined Features

Power System

Military-grade PDB: 6-layer PCB with 2oz copper pour
Transient Protection: 50V TVS diodes with active crowbar circuit
Quad-stage Filtering: LC-π-π filter network for noise immunity
Stackable Design: 30×30mm mounting with M3 titanium screws

Integration

Triple Camera Outputs: 5V/9V/12V regulated with soft-start
Advanced Telemetry: ESC metrics via CAN FD (1000Hz update)
Dual Barometers: MS5611 + BMP390 for redundancy
WiFi/Bluetooth Module: Simultaneous wireless interfaces

4. Safety Features

Flight Controller Protections

Protection Type	Specification	Implementation
Voltage Spike Protection	45V continuous / 60V transient	TVS array + active clamping
Gyro Vibration Damping	>15kHz reduction by 98%	Magnesium gasket + adaptive notch
Quad Power Inputs	5V@4A + 5V@3A backup + dual VBUS	Priority-based hybrid switching

ESC Protections

Protection Type	Threshold	Response Time	Trigger Condition
Hardware Overcurrent	120A per channel	≤0.8 seconds	Real-time current monitoring
Software Overcurrent	85A continuous	≤5 seconds	Predictive load analysis
Short Circuit	Instant isolation	<15μs	Multi-stage fault detection
Over-temperature	125°C (MOSFET)	<100μs	Dual-zone thermal sensors
Low Voltage Cutoff	Smart config 2.7-3.8V/cell	<60ms	Dynamic battery modeling

5. Accessories Package

1x SH1.0-8pins silicone cable (7cm, reversed)
1x SH1.0-6pins silicone cable (12cm, reversed)
1x SH1.0-4pins silicone cable (12cm, reversed)
1x SH1.0-3pins silicone cable (10cm, reversed)
1x SH1.0-2pins silicone cable (12cm, single-end)
5x M3*10mm shock-absorbing balls
5x M3*8mm shock-absorbing balls
1x 1000UF 35V 10*20mm electrolytic capacitor
1x XT60-male 12AWG silicone cable (15cm length)

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II. Shipping and Delivery

ChatRobotic will arrange shipping based on the order priority and inventory situation after receiving the full payment from the customer. The estimated shipping date will be informed to the customer in the order confirmation notice. However, due to force majeure or other unforeseeable and unavoidable reasons, the shipping time may be delayed, and the company will promptly notify the customer and provide a reasonable explanation.
The company will select appropriate logistics partners for product delivery, and the delivery scope covers most regions around the world. The delivery cost will be calculated based on factors such as the customer's shipping address, the weight, and volume of the order, and will be clearly shown in the order confirmation notice. Customers can choose different delivery service levels when placing an order, such as standard delivery or expedited delivery. The corresponding delivery costs and delivery times will vary accordingly.
After the product is shipped, ChatRobotic will provide logistics tracking information to the customer so that the customer can check the transportation status of the product at any time. When receiving the product, the customer should carefully check whether the packaging of the product is intact. In case of any damage or abnormality, the customer should promptly contact the logistics company and notify ChatRobotic.