Product overview

AX controller

This compact 3 kW brushless motor controller, classified among the smallest products in our portfolio, features an efficient design and durable aluminum housing. With a continuous phase current up to 50 Arms and peak current up to 100 A, it provides reliable performance for small electric motor control. The single signal connector (Molex iGrid) ensures easy installation, bringing convenience and efficiency to a wide range of applications.

The controller is depicted below with the marking of its main parts.

Position	Name
1	Motor connector - Amass MR60
2	Battery connector - Amass XT60
3	Product label
4	Status LED
5	Signal connector - Molex iGrid 36
6	Mounting surface

Signal part is connected via the signal connector - 5. Battery is connected via XT60 connector - 2, and phases via MR60 connector - 1. The controller should be installed by placing the mounting surface - 6 on a flat metal surface and securing it by four screws. Status LED - 4 indicates error states.

Product identification label

Each product is equipped with an identification label containing pertinent information.

Position	Name
1	Maximum operating voltage
2	Country of manufacture
3	SN QR code
4	Serial number
5	Product Name
6	Order code

Product variants

The Manufacturer Part Number (MPN) completely specifies the product type and version. When combined with the Firmware Identifier (Basename), it can serve as the ordering code. The MPN is made up of different sections, which are explained in the table below. Typically, only the standard variants are in stock.

Standard MPNs

esc5-ax1_05kxa0810-800_00000-000BB Standard 80V AX controlller

Decode MPN

Features

Assembly code

Controller size

6 transistors (BSC035N10)

Power features

LM5017 power supply

Internal LM5017 supply is replaced by LM5008 chip

Connectivity

GPIO, USB, CAN, isolated 5V UART

Motor sensors

Analog inputs (Sin-Cos), Hall sensors

Absolute voltage limit

80 V

Current range

100 A

Internal HW configuration

Internal HW configuration

ODIN3 pull-up

ODIN3 pull-down

ODIN4 pull-up

ODIN4 pull-down

Grounds connection

CAN terminator

Isolated power supply output: 0 - 5 V, 1 - 10 V

Constant on

One button control

Internal fuse

Finish 1

Reserved

This part is reserved for future use

Finish 2

Reserved

This part is reserved for future use

Housing

Sealed black elox heatsink

Details

Complete MPN:

Assembly variant:

• Power stage: Usually defines a variant of the power stage, occasionally can indicate a special version of the product's PCB.
• Power features: Defines variant of the powering interface. See powering circuit's detailed specification and Controller powering methods.
• Connectivity: Defines variant of the communication interface. See USB, CAN, UART.
• Motor sensors: Defines supported motor position sensors. More information about the particular motor position sensor interface can be found in this section. General information about motor sensors can be found in Motor sensors chapter.
• Voltage: Defines voltage operation range of the controller. Detailed technical specifications can be found in this section.
• Current: Defines current measurement range of the controller.
• Internal HW configuration: see section below

Internal HW configuration:

Internal HW configuration describes selectable modifications in hardware. Each item can be present (marked with 1) or absent (marked with 0). A 12-bit binary number is used for this description and is visualized in hexadecimal form. Not all the options are used, these items are marked as "Reserved".

• Powering on method: The device offers several powering methods, defined by the combination of the following items. For details see powering circuit's detailed specification.
  • Internal Fuse
  • Flip-flop / One button control
  • Constant ON
• Power supply option: Defines isolated supply voltage level on signal connector pin 35.
• CAN terminator: The device has a selectable internal 120-ohm termination resistor. A detailed CAN interface scheme can be found in the CAN communication interface.
• Connected grounds: It is possible to connect two grounding potentials together by the internal jumper.
• ODINs configuration: Defines configuration of pull-up and pull-down resistors for ODINs.

Finish 1 and Finish 2:

• Housing: Defines housing option.

LED status indicator

The LED status indicator informs about the current state of the motor controller according to table below.

LED state	Controller condition
Permanently turned OFF	Controller is not powered up
Briefly turned ON and after a few sec OFF	Controller is powered and fully functional
Permanently turned ON	Controller indicates that any of the protections are active. Output current can be limited.
Blinking	Controller indicates an internal error and is blinking a 16-bit error code. Controller's power stage is deactivated

Accessories

Signal connector

• mating housing: Molex 5016463600
• crimp terminals: Molex 5016471000
• crimp tool: Molex 638192300

Signal connector sealing

The controller's signal connector sealing is designed as a separate part to keep the controller dimensions as small as possible. It is installed on the signal connector cables (see drawing)

The product number for purchasing: AX_signal_sealing.

The controller fulfills the environmental specification only if this sealing is properly installed.

AX Molex holder

This tool helps you to assemble an AX connector with the sealing. The AX Molex holder holds the Molex connector with the sealing, so you can easily insert wires with crimp.

You can download the model here: AX Molex holder and 3D print the holder.

Pre-crimped wires

siliXcon can provide pre-crimped wires for end-application prototyping. The bare wires with iGrid crimp on one end can be purchased by following ordering codes:

Part name	description	wire color
Cable_i-grid_black_50	Black cable, 0,25mm2, 50cm length	Black
Cable_i-grid_red_50	Red cable, 0,25mm2, 50cm length	Red
Cable_i-grid_white_50	White cable, 0,25mm2, 50cm length	White
Cable_i-grid_green_50	Green cable, 0,25mm2, 50cm length	Green
Cable_i-grid_blue_50	Blue cable, 0,25mm2, 50cm length	Blue
Cable_i-grid_yellow_50	Yellow cable, 0,25mm2, 50cm length	Yellow

Battery connector

• mating connector: Amass XT60-F, can be purchased here

Phases connector

• mating connector: Amass MR60-F, can be purchased here

Mounting screws

• 4x M3 screw, you can choose between threaded hole in heatsink and oval hole without thread. Refer to the AX controller drawing.
• for through-hole mounting, minimum thread depth is 1.5 x Ø mm. Tightening torque depends on the material of the mounting base.

Thermal grease

• to improve cooling of the controller, you should apply thermal grease to the mounting area of the controller. Example: Electrolube HTC, AG termopasty HPX