AIO H743 Flight Controller+45A ESC 4-in-1 AT32

FPV Electronics > Stack & AIO

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High-performance all-in-one flight controller designed for 2"-5" FPV drones, featuring the powerful STM32H743 MCU with dual-gyro redundancy and comprehensive power management.

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AIO H743 Flight Controller Technical Brief (2"-5" Compatible)

Name: AIO H743 Flight Controller with 45A 4-in-1 ESC
Brand: Chatrobotic
SKU: CRP00904
Price: 49.90 USD
Availability: InStock

System Overview

High-performance all-in-one flight controller designed for 2"-5" FPV drones, featuring the powerful STM32H743 MCU with dual-gyro redundancy and comprehensive power management.

1. Flight Controller Specifications

Parameter	Specification
MCU	STM32H743VIT6 (480MHz Cortex-M7)
IMU Configuration	BMI270 (Primary) + ICM-42688-P (Backup)
Blackbox Storage	16MB QSPI Flash (8kHz logging)
Input Voltage Range	2-6S LiPo (7.4-25.2V)
Regulated Outputs	5V@3A + 9V@2A + 3.3V@500mA
Connectivity	7x UART, 2x I2C, 1x SPI, USB-C
Camera System	Dual camera inputs w/ OSD switching
Onboard Barometer	BMP280
Board Dimensions	36x36x10mm
Weight	6.8g (without connectors)

2. Power Management Features

Feature	Specification
Integrated PDB	Direct battery-to-ESC connection
Voltage Monitoring	0.01V resolution sensor
Current Sensing	150A max w/ ±0.5% precision shunt
Surge Protection	30V TVS diodes on all inputs
Reverse Polarity	Protected all power inputs

3. Safety & Redundancy Systems

Flight Controller Protections

Protection Type	Specification	Implementation
Dual IMU Failover	Automatic <50ms switch	Sensor fusion algorithm
Voltage Spike Filtering	30V clamping	TVS + LC filter network
Gyro Noise Reduction	95% reduction @10kHz	4-layer PCB + silicone gummies
MCU Over-temperature	85°C throttle reduction	On-die thermal sensor

Power Safety Protections

Protection	Threshold	Response Time	Action
Low Voltage Cutoff	Configurable 2.8-3.6V/cell	<50ms	Gradual throttle reduction
Overcurrent	150A sustained	<10ms	Soft shutdown
Short Circuit	Hardware level	<200μs	Instant cutoff

4. Environmental Specifications

Parameter	Operating Range
Temperature	-20°C to +70°C
Humidity	5% to 95% non-condensing
Altitude	-100m to 4000m
Vibration	10G (20-2000Hz)

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

• 1x 1000UF 35V 10*20mm electrolytic capacitor

• 1x XT60-male 12AWG silicone cable 15cm length

• 5x M3*8mm shock-absorbing ball