12XS2

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The NXP^® 12XS2 eXtreme switch family consists of very low RDSON devices in single or dual high side configuration to replace electromechanical relays or discrete devices in power management applications and DC motor control.

Designed for harsh environments and includes self-recovery features
Suitable for loads with high inrush current, as well as motors and all types of resistive and inductive loads
Programming, control and diagnostics are implemented via the serial peripheral interface
A dedicated parallel input is available for alternate and pulse-width modulation control of the output
Packaged in a power enhanced 16-lead PQFN, 12x12 mm package

Data Sheet

Application Notes

Product Details

Block Diagram

Simplified Application Drawing

Get diagram PDF

Features

MC33981

Operating voltage range from 6.0 V to 27 V, with sleep current < 5.0 μA, extended mode down to 4.5V
40 A continuous current capability
PWM capability up to 60 kHz, with a duty cycle from 5% to 100%
Slew-rate control with an external capacitor
Overcurrent and overtemperature protection, undervoltage shutdown, and fault reporting
Reverse battery protection
Gate drive signal for external low side N-channel MOSFET with protection features
Output current monitoring
Temperature feedback

MC33982/984/988

Operating voltage range of 6.0 V to 20 V, with sleep current < 5.0 μA, extended mode from 4.0 V to 28 V
Current capability up to 40 A steady state
8.0 MHz 16-bit 3.3 V and 5.0 V SPI control and status reporting with daisy-chain capability
Programmable overcurrent trip level and overtemperature protection, undervoltage shutdown, and fault reporting
Enhanced -16 V reverse battery protection
Output current monitoring
Watchdog and configurable Fail-safe mode by hardware

Product Longevity Program

This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The MC33982 (MC12XS2), MC33984 (MC12XS2), and MC33988 (MC12XS2) are included in the 15-year program

Part numbers include: MC33981ABHFK, MC33981ADHFK, MC33981BHFK, MC33982CHFK, MC33982EHFK, MC33984CHFK, MC33988CHFK, MC33984EHFK.

Comparison Table

Product	Datasheet	# of outputs	RDSon (mOhm)	Package	Suggested tool
MC33981	Datasheet	Single	1 x 4.0	PQFN 16	-
MC33982	Datasheet	Single	1 x 2.0	PQFN 16	KIT33982CEVBE
MC33984	Datasheet	Dual	2 x 4.0	PQFN 16	KIT33984CEVBE
MC33988	Datasheet	Dual	2 x 8.0	PQFN 16	KIT33988CEVBE

Buy/Parametrics

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Documentation

Quick reference to our documentation types.

1-5 of 16 documents

^{Data Sheet}
MC33982: Single Intelligent High-current Self-protected Silicon High-side Switch (2.0 mOhm) Data Sheet
PDFRev 20.0Dec 14, 20232.4 MBMC33982English
Supported Parts
^{Data Sheet}
MC33984: Dual Intelligent High-Current Self-Protected Silicon High-side Switch (4.0 mOhm) Data Sheet
PDFRev 17.0Jul 20, 20231.6 MBMC33984English
Supported Parts
^{Data Sheet}
MC33981: Single High-Side Switch (4.0 mOhm), PWM Clock Up to 60kHz Data Sheet
PDFRev 12.0Jul 12, 20233.9 MBMC33981English
Supported Parts
^{Data Sheet}
MC33988, Dual Intelligent High-current Self-protected Silicon High Side Switch (8.0mOhm) - Data Sheet
PDFRev 8.0Jun 6, 2012936.6 KBMC33988English
Supported Parts
^{Application Note}
AN2467, Power Quad Flat No-Lead (PQFN) Package - Application Note

PDFRev 6.0Dec 22, 20202.7 MBAN2467English, 中文
^{Application Note}
AN5322: TPMS Wheel Location Introduction and Main Concepts Application Note

PDFRev 1.0Jan 25, 20176.7 MBAN5322English
Sign in required
^{Application Note}
AN3617, Repetitive Overload Performances for the MC33981

PDFRev 1.0Apr 24, 2008160.5 KBAN3617English
^{Application Note}
AN3274, eXtreme Switch Protection Guidelines

PDFRev 3.0Sep 28, 2007283.0 KBAN3274English
^{User Guide}
KIT33984CEVBE, Evaluation Board - User Guide

PDFRev 2.0Jul 27, 20161.2 MBKT33984UGEnglish
^{User Guide}
KIT33982CEVBE, Evaluation Board - User Guide

PDFRev 2.0Jul 27, 20161.1 MBKT33982UGEnglish
^{User Guide}
KIT33988CEVBE, Evaluation Board - User Guide

PDFRev 2.0Jul 27, 20161.2 MBKT33988UGEnglish
^{Fact Sheet}
Smart High-Side Switches Fact Sheet

PDFRev 2Jul 29, 2022118.8 KBESWITCHFSEnglish
^{Package Information}
MC33981PNATAD, High Frequency High-Current Self-Protected High-Side Switch

PDFRev 3.0May 22, 2012214.7 KBMC33981PNATADEnglish
^{Package Information}
MC33984PNATAD, Dual Intelligent High-Current Self-Protected Silicon High-Side Switch (4.0 ohm)

PDFRev 3.0May 22, 2012253.5 KBMC33984PNATADEnglish
^{Package Information}
MC33982BPNATAD, Single Intelligent High-Current Self-Protected Silicon High-Side Switch (2.0 ohm)

PDFRev 4.0May 22, 2012146.2 KBMC33982PNATADEnglish
^{White Paper}
BASICTHERMALWP, Basin Principles of Thermal Analysis for Semiconductor Systems

PDFRev 0Jun 16, 20082.3 MBBASICTHERMALWPEnglish

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Design Resources

Hardware

Quick reference to our board types.

3 hardware offerings

^{Evaluation and Development Boards}
Evaluation Kit - 33988, Dual 8 mOhm High Side SwitchFeatured

KIT33988CEVBE
^{Evaluation and Development Boards}
Evaluation Kit - 33982, Single 2 mOhm High Side SwitchFeatured

KIT33982CEVBE
^{Evaluation and Development Boards}
Evaluation Kit - 33984, Dual 4 mOhm High Side SwitchFeatured

KIT33984CEVBE

Engineering Services

To get further assistance directly from NXP, please see our Engineering Services.

3 engineering services

^{Independent Design House (IDH)}
Hardware Design Services

By TAGnology RFID GmbH GoldHQ: Voitsberg, AustriaSupporting Regions: EMEA
^{Independent Design House (IDH)}
Hardware/Software Engineering Services

By Bluewind GoldHQ: Castelfranco Veneto, ItalySupporting Regions: EMEA
^{Independent Design House (IDH)}
Embedded Software Design

By TAGnology RFID GmbH GoldHQ: Voitsberg, AustriaSupporting Regions: EMEA

To find additional partner offerings that support this product, visit our Partner Marketplace.

12 V Multipurpose Low RDSON eXtreme Switch

Product Details

Block Diagram

Simplified Application Drawing

Features

MC33981

MC33982/984/988

Product Longevity Program

Comparison Table

12XS2

Related products

Applications

Automotive

Buy/Parametrics

Documentation

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Design Resources

Hardware

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Evaluation Kit - 33988, Dual 8 mOhm High Side SwitchFeatured

Evaluation Kit - 33982, Single 2 mOhm High Side SwitchFeatured

Evaluation Kit - 33984, Dual 4 mOhm High Side SwitchFeatured

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