Cosworth/Pectel SQ6

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  • Regular price £2,514.00
Tax included.


The Pectel SQ6 sets the benchmark for high-performance engine management systems. Its Freescale MPC565 microprocessor and dedicated timer co-processor bring class leading performance in a cost-effective package. All angle based calculations are handled by FPGA for increased precision and control of key strategies.

Not many other ECU offers the same combination of price, power, performance and flexibility. Twelve configurable injector drivers combined with eight IGBT ignition outputs AND eight logic level coil driving outputs make this ECU capable of fully sequential fuelling on normally aspirated, turbo and supercharged engines from one to twelve cylinders.

Fly-by-wire capability is included via optional software upgrade, with Stepper and DC motors catered for. Put all of this functionality in one small light box and you have an ECU capable of working with almost any combination of coil, injector, OEM sensor and actuator.

An all new crank and camshaft pattern recognition system allows the SQ6 to be used with virtually any OEM timing wheel. This sophisticated pattern recognition algorithm also facilitates synchronisation during slow and uneven cranking conditions.

Hugely flexible, the SQ6 has two, and sometimes three functions on many of its pins: 

  • Unused injector and IGBT ignition outputs can be used as digital outputs, on certain pins also analogue inputs.
  • Unused digital inputs can be used as 10 bit analogue inputs,
  • H-bridge outputs can be used in either full or half bridge mode, H-bridge outputs can be combined to drive a stepper motor or used to provide additional high or low-side drive capability. 

Designed to be robust, the SQ6 has reverse-battery, over-voltage and load dump protection built in as standard. Sensor supply and signal ground pins are also protected against shorts to battery positive and negative.

Advanced software features include traction control (optional), launch control, gearshift strategies, variable valve timing of up to 4 camshafts (including BMW VANOS), high speed data logging and scrutineering modes for single make championship.

The ECU has highly advanced control strategies for semi-automatic/paddle-shift gearboxes which include FBW throttle blip and over rev protection. Full gear control strategy and upgraded logging available at additional cost.

Pectel's advanced knock control strategy is included as standard without cost upgrade.

Dedicated analogue inputs/Lambda/knock and thermocouple inputs are 12-bit, providing added resolution over a lot of competitor ECUs that run 10-bit ADCs.

Spec sheet and pinout available here

Please note Cosworth Electronics are bespoke built in the UK to order. Please email sales@racecal.co.uk for any further queries or for additional details on the product.


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