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Mini Stack: F405 Mini FC + 30A Mini ESC 4 in 1 20x20 hole

FPV Electronics > Stack & AIO

$49.90
$59.90
Compact integrated flight control and power delivery system designed for 2-4" micro FPV drones, featuring STM32F405 processing power and AT32-based ESC efficiency in minimal footprint.
SKU: CRP40530
Package weight: 0.12 KG
Pkg. Size: 105MM*75MM*25MM
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Mini  Stack: F405 Mini FC + 30A Mini ESC 4 in 1 20x20 hole Technical Brief

System Overview

Compact flight control and power system optimized for 2–4" micro FPV drones, combining the processing power of STM32F722 with AT32-based ESC efficiency in a 20×20mm stackable footprint.

1. Flight Controller Specifications

ParameterSpecification
3-channel GPIO
MCUSTM32F722RET6 (216MHz Cortex-M7)
IMUICM-42688-P (SPI, 32kHz gyro) ]
Blackbox16MB Flash (8kHz logging) 
Input VoltageInput Voltage 2–8S LiPo (7.4–33.6V)
BEC OutputsBEC Outputs 5V1A + VBAT
Connectivity5x UART, 1x I²C, 1x Bluetooth (UART4) 
USB InterfaceType-C
OSD ChipAT7456E (Betaflight OSD) 
Board Size20×20mm 
Board Weight8.1g

2. 30A 4-in-1 ESC Specifications

ParameterSpecification
MCUAT32F421K6U7 (120MHz Cortex-M4)
Continuous Current30A/channel (120A total)
Burst Current40A/channel (10 sec)
ProtocolsDShot150/300/600, Proshot, PWM 
Input Voltage2–8S LiPo (7.4–25.2V)
BEC Outputs5V1A + VBAT
Current Sensor±2% accuracy shunt resistors
Board Size30×30mm
Board Weight14.5g

3. Combined Features

Power System

  • • Integrated PDB: Direct battery-to-ESC power distribution

  • • Surge Protection: 25V transient voltage suppression (TVS diodes)

  • • LC Power Filter: Reduces noise for clean gyro performance

  • • Stackable Design: 20×20mm mounting pattern with M2 screws

Integration

  • • DJI Air Unit Plug-and-Play: Dedicated connector for seamless digital HD setup

  • • ESC Telemetry: Real-time current/voltage monitoring via UART6

4. Safety Features

Flight Controller Protections

Protection TypeSpecificationImplementation
Voltage Spike Protection33.6V continuous /40V transientTVS diodes + LC filter 
Gyro Vibration DampingReduces >8kHz vibrations by 85%Silicone gasket + 2-stage software filter 
Dual Power Inputs5V@3A (primary) + 5V@1A (backup)Automatic switchover circuit

ESC Protections

Protection TypeThresholdResponse TimeTrigger Condition
Hardware Overcurrent40A per channel≤3 secondsMOSFET overload
Software Overcurrent30A continuous≤15 secondsSustained high current
Short CircuitHardware Isolation<80μsPhase-to-phase fault
Over-temperature105°C (MOSFET)<1msThermal cutoff
Low Voltage Cutoff3.0V/cell<50msBattery depletion

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 XT30-male 14AWG silicone cable 10cm length.

  • • 5x M3*8mm shock-absorbing balls

6. Connection Diagram

F405MINI1.png

F405MINI2.png

F421miniesc1.png

F421miniesc2.png

 

Frequently Asked Questions

What VESC current rating do I need for my motor?
Choose by your motor’s phase-current demand and application. 200A–500A VESC controllers suit ebikes, scooters and light robotics; 1000A-class units power high-performance eskate, EUCs and small EVs; 2000A controllers target electric motorcycles and industrial drives. Always leave headroom above your battery’s fully-charged voltage.
Do you offer OEM/ODM customization for VESC controllers?
Yes. ChatRobotic is an ISO 9001 and ISO 14001 certified manufacturer providing OEM/ODM VESC controllers, custom firmware, enclosure design and PCB assembly for 200A–2000A applications. Contact our engineering team with your specs to start a custom build.
How long is the lead time and which shipping methods do you use?
In-stock VESC controllers are shipped via DHL/FedEx after payment is received. Delivery time depends on the shipping method: DHL/FedEx priority express 3–5 business days, economy express 4–6 business days, registered post 8–20 business days, worldwide. OEM/ODM and bulk orders are scheduled by customization scope. Logistics tracking is provided after shipment.
Are these VESC controllers compatible with sensored and sensorless motors?
Yes. ChatRobotic VESC controllers support both sensored (hall-sensor) and sensorless BLDC/PMSM motors and work with a wide battery range. FOC, regen braking, throttle curves and telemetry are fully configurable through VESC Tool.