MC33813 | One Cylinder Small Engine Control IC | NXP Semiconductors

Automotive

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One Cylinder Small Engine Control IC

MC33813 Active

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The NXP MC33813 is an engine control analog power IC delivering a cost-optimized solution for managing one and one-cylinder engine.

  • With five drivers, two pre-drivers, a 5.0 V regulator for the MCU, a protected external sensor supply, and a high level of integration, the IC offers an ideal response to contemporary market requirements.
  • The innovative VRS system optimizes noise immunity under cranking conditions.
  • Diagnostic and protection features present on all outputs allow applications to operate with greater safety.
  • The device is packaged in a 48 pin LQFP with an exposed pad for a minimum space footprint.

Block Diagram

One Cylinder Small Engine Control IC

One Cylinder Small Engine Control IC
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Features

Key Features

  • Operates over supply voltage range of 4.5 V < VPWR < 36 V
  • Start-up/shut-down control and power sequence logic with KEYSW input
  • MCU supply: VCC is a 5.0 V (±2.0%, 200 mA) regulated supply
  • Sensor supply: VPROT (100 mA) is a VCC tracking protected sensor supply
  • Two configurable pre-drivers for IGBT or general purpose gate MOSFETs for ignition and O2 sensor (HEGO) heater
  • PWM
  • Overcurrent shutdown
  • Short-to-battery shutdown
  • Five low-side drivers with full diagnostics, self-protection and PWM control
  • One fuel injector drivers, RDS(on) = 0.6 Ω, ILIMIT = 1.8 A, to drive typical 12 Ω high-impedance injectors
  • Relay 1 driver, RDS(on) = 0.4 Ω, ILIMIT = 3.0 A, to drive fuel pump
  • Relay 2 driver, RDS(on) = 1.5 Ω, ILIMIT = 1.2 A, to drive power relay
  • Lamp driver, RDS(on) = 1.5 Ω, ILIMIT = 1.2 A, to drive warning lamp or an LED
  • Programmable Tachometer Driver, RDS(on) = 20 Ω, Ishutdown = 60 mA, to drive a Tachometer display
  • Innovative configurable VRS conditioning circuit, with two different parameter settings for engine cranking and running mode and an optional automatic mode to improve noise immunity in cranking conditions
  • K-line (ISO9141)
  • MCU reset generator and programmable watchdog
  • MCU Interface: 16-bit SPI and parallel interface with 5.0 V IO capability

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Number of Channels

Protection

Drain-to-Source On Resistance (Typ) (mOhm) (RDS(ON))

Load Supply Voltage (Min) (V)

Load Supply Voltage (Max) (V)

Supply Voltage [min] (V)

Supply Voltage [max] (V)

MC33813AE
Data Sheet

Active

HLQFP48

48

1K @ US$2.35

1

overcurrent, overvoltage, short-circuit, undervoltage

400, 1500, 20000

4.5

36

6

18

N true 0 PSPMC33813en 5 Application Note Application Note t789 2 Data Sheet Data Sheet t520 1 Fact Sheet Fact Sheet t523 1 Selector Guide Selector Guide t528 1 en_US 1 1 12.0 English The 33813 is an engine control analog power IC intended for one cylinder motorcycle and other small engine control applications. The IC consists of five integrated low side drivers, two pre-drivers, a Variable Reluctance Sensor (VRS) input circuit, a voltage pre-regulator using an external pass transistor, and two 5 volt internal regulators, one for the MCU VCC supply and the other for use as a protected sensor supply. 1345133749962709600373 PSP 3.3 MB None None documents None 1345133749962709600373 /docs/en/data-sheet/MC33813.pdf 3307425 /docs/en/data-sheet/MC33813.pdf MC33813 N N 2017-07-11 MC33813, One cylinder small engine control IC - Data Sheet /docs/en/data-sheet/MC33813.pdf /docs/en/data-sheet/MC33813.pdf Data Sheet N Y 980000996212993340 2023-08-18 pdf N en Dec 6, 2019 Data Sheet t520 Data Sheet Data Sheet Y N MC33813, One cylinder small engine control IC - Data Sheet false en_US en Application Note Application Note 2 2 2 English This document details the different diagnosis available on MC33813; MC33814 low-side drivers and pre-drivers, their conditions and actions taken when a fault occurs. 1539363632890720014046 PSP 245.2 KB None None documents None 1539363632890720014046 /docs/en/application-note/AN12226.pdf 245231 /docs/en/application-note/AN12226.pdf AN12226 documents N N 2018-10-12 AN12226, Diagnostic application note for MC33813; MC33814 - Application note /docs/en/application-note/AN12226.pdf /docs/en/application-note/AN12226.pdf Application Note N 645036621402383989 2022-12-07 pdf N en Jun 11, 2020 645036621402383989 Application Note Y N AN12226, Diagnostic application note for MC33813; MC33814 - Application note 3 1.0 English This application note addresses some the theory of variable reluctance sensor (VRS) systems, as well as how to correctly determine the VRS automatic mode parameters through a single bench measurement. 1457722525593725195039 PSP 519.3 KB None None documents None 1457722525593725195039 /docs/en/application-note/AN5253.pdf 519300 /docs/en/application-note/AN5253.pdf AN5253 documents N N 2016-03-14 AN5253, VRS Automatic Mode Setting - Application Note /docs/en/application-note/AN5253.pdf /docs/en/application-note/AN5253.pdf Application Note N 645036621402383989 2022-12-07 pdf N en Mar 11, 2016 645036621402383989 Application Note Y N AN5253, VRS Automatic Mode Setting - Application Note Fact Sheet Fact Sheet 1 4 1 English The small-engine portfolio offers 3 easy-to-use engine control devices to deliver a cost-optimized IC solution for managing one- and two-cylinder engines. 1475854249408730124078 PSP 521.6 KB None None documents None 1475854249408730124078 /docs/en/fact-sheet/SMALLENGINELF.pdf 521575 /docs/en/fact-sheet/SMALLENGINELF.pdf SMALLENGINELF documents N N 2016-11-09 SMALLENGINELF, Small engine leaflet - Fact sheet /docs/en/fact-sheet/SMALLENGINELF.pdf /docs/en/fact-sheet/SMALLENGINELF.pdf Fact Sheet N 736675474163315314 2022-12-07 pdf N en Oct 3, 2016 736675474163315314 Fact Sheet Y N SMALLENGINELF, Small engine leaflet - Fact sheet Selector Guide Selector Guide 1 5 3 Chinese 1404924651029729642615zh PSP 1.2 MB None None documents None 1404924651029729642615 /docs/zh/product-selector-guide/INDCONTANLPRDFL.pdf 1202686 /docs/zh/product-selector-guide/INDCONTANLPRDFL.pdf INDCONTANLPRDFL documents N N 2016-10-31 Analog Automotive and Industrial Selector Guide /docs/zh/product-selector-guide/INDCONTANLPRDFL.pdf /docs/zh/product-selector-guide/INDCONTANLPRDFL.pdf Selector Guide N 553557935274807777 2025-01-05 zh Sep 18, 2014 553557935274807777 Selector Guide Y N 面向工业市场的模拟产品 - 简介 12 English For system designers who want more efficient motor operation with variable speed and sensorless control, NXP offers H-bridge, brushed and brushless DC motor drivers required to complete system design. 1404924651029729642615 PSP 1.2 MB None None documents None 1404924651029729642615 /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf 1202686 /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf INDCONTANLPRDFL documents N N 2016-10-31 Analog Automotive and Industrial Selector Guide /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf Selector Guide N 553557935274807777 2025-01-05 pdf N en Jan 29, 2021 553557935274807777 Selector Guide Y N Analog Automotive and Industrial Selector Guide false 0 MC33813 downloads en true 1 Y PSP Application Note 2 /docs/en/application-note/AN12226.pdf 2018-10-12 1539363632890720014046 PSP 2 Jun 11, 2020 Application Note This document details the different diagnosis available on MC33813; MC33814 low-side drivers and pre-drivers, their conditions and actions taken when a fault occurs. None /docs/en/application-note/AN12226.pdf English documents 245231 None 645036621402383989 2022-12-07 N /docs/en/application-note/AN12226.pdf AN12226, Diagnostic application note for MC33813; MC33814 - Application note /docs/en/application-note/AN12226.pdf documents 645036621402383989 Application Note N en None Y pdf 2 N N AN12226, Diagnostic application note for MC33813; MC33814 - Application note 245.2 KB AN12226 N 1539363632890720014046 /docs/en/application-note/AN5253.pdf 2016-03-14 1457722525593725195039 PSP 3 Mar 11, 2016 Application Note This application note addresses some the theory of variable reluctance sensor (VRS) systems, as well as how to correctly determine the VRS automatic mode parameters through a single bench measurement. None /docs/en/application-note/AN5253.pdf English documents 519300 None 645036621402383989 2022-12-07 N /docs/en/application-note/AN5253.pdf AN5253, VRS Automatic Mode Setting - Application Note /docs/en/application-note/AN5253.pdf documents 645036621402383989 Application Note N en None Y pdf 1.0 N N AN5253, VRS Automatic Mode Setting - Application Note 519.3 KB AN5253 N 1457722525593725195039 Data Sheet 1 /docs/en/data-sheet/MC33813.pdf 2017-07-11 1345133749962709600373 PSP 1 Dec 6, 2019 Data Sheet Data Sheet The 33813 is an engine control analog power IC intended for one cylinder motorcycle and other small engine control applications. The IC consists of five integrated low side drivers, two pre-drivers, a Variable Reluctance Sensor (VRS) input circuit, a voltage pre-regulator using an external pass transistor, and two 5 volt internal regulators, one for the MCU VCC supply and the other for use as a protected sensor supply. None /docs/en/data-sheet/MC33813.pdf English 3307425 None Data Sheet 2023-08-18 N /docs/en/data-sheet/MC33813.pdf MC33813, One cylinder small engine control IC - Data Sheet /docs/en/data-sheet/MC33813.pdf documents 980000996212993340 Data Sheet N Y en None Y t520 pdf 12.0 N N MC33813, One cylinder small engine control IC - Data Sheet 3.3 MB MC33813 N 1345133749962709600373 Fact Sheet 1 /docs/en/fact-sheet/SMALLENGINELF.pdf 2016-11-09 1475854249408730124078 PSP 4 Oct 3, 2016 Fact Sheet The small-engine portfolio offers 3 easy-to-use engine control devices to deliver a cost-optimized IC solution for managing one- and two-cylinder engines. None /docs/en/fact-sheet/SMALLENGINELF.pdf English documents 521575 None 736675474163315314 2022-12-07 N /docs/en/fact-sheet/SMALLENGINELF.pdf SMALLENGINELF, Small engine leaflet - Fact sheet /docs/en/fact-sheet/SMALLENGINELF.pdf documents 736675474163315314 Fact Sheet N en None Y pdf 1 N N SMALLENGINELF, Small engine leaflet - Fact sheet 521.6 KB SMALLENGINELF N 1475854249408730124078 Selector Guide 1 /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf 2016-10-31 1404924651029729642615 PSP 5 Jan 29, 2021 Selector Guide For system designers who want more efficient motor operation with variable speed and sensorless control, NXP offers H-bridge, brushed and brushless DC motor drivers required to complete system design. None /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf English documents 1202686 None 553557935274807777 2025-01-05 N /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf Analog Automotive and Industrial Selector Guide /docs/en/product-selector-guide/INDCONTANLPRDFL.pdf documents 553557935274807777 Selector Guide N en None Y pdf 12 N N Analog Automotive and Industrial Selector Guide 1.2 MB INDCONTANLPRDFL N 1404924651029729642615 true Y Products

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