Kraken V1.0

BTT Kraken - high-current, 8-axis motherboard

BIGTREETECH Kraken V1.0 represents the pinnacle in the field of motherboards for 3D printers, developed by the team at Shenzhen Biqu Technology Co., Ltd. This motherboard is specifically designed for large-format 3D printers requiring top-level performance and reliability. With integrated stepper motor drivers capable of operating at high voltage and current, Kraken facilitates connection and reduces assembly complexity, while its space-efficient design and aesthetically pleasing appearance with ID-designed heatsinks ensure efficient heat dissipation and bring a perfect harmony of form and function.

Main product features

• Simple motor control: Equipped with 8*TMC2160 drivers, it supports a wide voltage range of 24V-60V, eliminating the need for driver installation and ensuring seamless compatibility.
• Dual print head efficiency: Thanks to the powerful H723 chip, the motherboard allows simultaneous operation of two print heads, maximizing overall printing efficiency without compromising on quality.
• Universal connectivity options: Offers a reserved interface for power supply for better convenience, easily integrates with external single-board computers (SBC) like BTT PI, as well as Raspberry Pi, providing greater flexibility and control.
• Precise temperature control support: Supports two channels MAX31865 and two channels PT100/PT1000 thermistors, ensuring accurate temperature control for optimal printing conditions.
• Expanded interface capacity: Includes two CAN interfaces, allowing simultaneous connection of two print heads to EBB (Extruder Breakout Board), thereby expanding 3D printing configuration possibilities.
• Robust motherboard protection: Implements advanced protection with an e-fuse circuit, strengthening the motherboard against potential risks and ensuring long-term reliability during extended use.

Technical specifications

• MCU (Microcontroller): ARM Cortex-M7 STM32H723ZGT6 550MHz
• Driver power supply: HV (24-60V)
• Motor drivers: Integrated TMC2160, support 24-60V, maximum current 8A for M1-M4, maximum current 3A for M5-M8
• Motherboard power supply: DCIN= DC12V or DC24V
• Heated bed power supply: BED IN= DC12V or DC24V
• Logic voltage: DC3.3V
• Heater interface: Heated bed (HB), Cartridge heaters (HE0, HE1, HE2, HEЗ)
• Maximum current for heated bed: 10A, peak 11A
• Maximum current for cartridge heaters: 6A, peak 6.5A
• Fan interface: 6x 2-pin CNC fans (FANO, FAN1, FAN2, FAN3, FAN4, FAN5), 2x 4-pin CNC fans (FAN6, FAN7), 5x always-on fans, CNC fan voltage (5V, 12V, 24V) selectable
• Maximum current for fan outputs: 1A, peak 1.5A
• Total current for cartridge heaters + fans: Less than 14A
• Maximum output current of the motherboard 5V: 5A (peak 6A)
• Maximum output current of the motherboard 12V: 5A (peak 6A)
• Expansion interface: Probe (Servos, Probe), Servo, Filament sensor, PS-ON, I²C, RGBx2, SPI, SBC (UART), EXP1+EXP2, CANx2, PT100/PT1000x2, USB-A 5V Power, Endstop Portx8, etc.
• Temperature sensor interface: 5x 100K NTC, 2x MAX31865
• Display: LCD
• PC communication: USB-C
• Firmware support: Klipper, Marlin, RRF
• Dimensions: 200 x 113mm
• Mounting dimensions: 193 x 106mm
• Compatibility: Voron PHOENIX, Voron 2.4, Voron Trident, Vzbot, etc.

This motherboard is equipped with an MCU ARM Cortex-M7 STM32H723ZGT6 550MHz, supports a wide range of interfaces, and is compatible with various types of 3D printers, including popular Voron models. With a power supply voltage of 24-60V for drivers and extensive connectivity options, including USB, CAN, and temperature sensor interfaces, Kraken is the ideal choice for 3D printing enthusiasts looking for high performance, flexibility, and accuracy.

Practical tips

For maximum utilization of the Kraken motherboard, we recommend regularly updating the firmware to take advantage of the latest features and security. Be careful when installing and handling the board to prevent damage to sensitive components. For optimal temperature control, ensure that PT100/PT1000 sensors are correctly connected and configured.