iFlight BLITZ Mini ATF435 Stack (E55S Mini 4-IN-1 ESC)

The iFlight BLITZ Mini ATF435 Stack is a compact yet powerful flight control system featuring a modern STM32F435 processor, high-precision sensors, and support for advanced firmware. It comes paired with the BLITZ E55S Mini 4-IN-1 ESC, rated for 2-6S batteries, delivering high performance in a small package.

Features

Compact 20x20 mm size, ideal for compact drones

Optimized layout for low electrical noise

Betaflight and INAV support

Built-in LC filter for a cleaner video signal

Support for digital and analog VTX

LED controller and buzzer output

BLITZ Mini ATF435 Flight Controller Specifications

Processor (MCU): STM32F435

Gyroscope: ICM42688

Barometer: DPS310

OSD: AT7456E

Supported Firmware: Betaflight, INAV

BEC Output Voltage:

5V 2.5A

9V 2A

Blackbox: 16MB Flash

UART Ports: 5

Mounting Holes: 20x20 mm (Ø4 mm)

Dimensions: 30.5 x 30.5 mm

Weight: 5.8 g

Connection Recommendations

UART 1: For HD/Analog VTX

UART 2: For receiver

UART 3/4: For GPS or other sensors

UART 5: For ESC telemetry

BLITZ E55S Mini 4-IN-1 ESC Specifications

Input Voltage: 2-6S LiPo

Max. Continuous Current: 55A

Max. Peak Current: 65A

Processor (MCU): BB21

Current Sensor: Yes

BEC: No

Update Frequency: DShot150/300/600, Multishot, Oneshot

Firmware:

BLHeliS: Q-H-25 16.7

Bluejay: Q-H-25

Mounting Holes: 20x20 mm (Ø4 mm)

Weight: 8.7 g

Package Contents

1 x BLITZ Mini ATF435 Flight Controller

1 x BLITZ E55S Mini 4-IN-1 55A ESC

1 x Silicone dampers set

1 x Cable set for FC and ESC connection

This stack is an excellent choice for 3-7 inch FPV drones that require high performance within a compact form factor.