SSL2129AT

Dimmable LED controller IC


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The NXP SSL2129AT is a high-efficiency controller IC for superior dimmable LED lighting solutions that typically operates in the lamp power range of 4 to 25 W. The straightforward design produces a cost-effective yet compact application, suitable for use with GU10 and PAR16 formats. A low-cost bipolar bleeder circuit supports a best-in-class dimmer compatibility performance for mainstream, single-stage LED driver applications. The SSL2129AT can be configured in either buck (non-isolated) or flyback (isolated) topologies at mains supply voltages of 100 to 120 V or 230 V.

Features and benefits

  • Superb mains-dimmable LED driver solution (both leading and trailing edge phase cut dimmers)
  • Flyback or buck controller-only with external MOSFET
  • Supports tapped-buck topologies to extend the Vf LED range
  • Power-efficient boundary conduction mode
  • Start-up JFET
  • High power factor (>0.9)
  • Full range of internal protections
  • Compatible with wall switches with built-in indication light during standby
  • “A” versions without short winding protection
  • Benchmark dimmer compatibility per watt
  • Compact, single-stage LED driver solution lowers eBOM cost
  • Optimized, high-efficiency operation improves total lumen output per watt, lowering energy consumption further

Applications

  • Dimmable retrofit LED lamps
  • Dimmable driver modules for LED lighting
All information on this product information page is subject to the subsequent disclaimers:
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Show functional diagram

Block Diagram SSL2129AT
Block Diagram SSL2129AT

Demo boards

SSL2129ADB1101SSL2129ADB1101

SSL2129AT 12 W 230 Vac mains-dimmable flyback reference design

SSL2129ADB1111SSL2129ADB1111

SSL2129AT 120V 17W PAR38 high PF, non-isolated, dimmable LED driver demo board

SSL2129ADB1120SSL2129ADB1120

SSL2129AT 20W PAR38 high PF, isolated dimmable LED driver demoboard

SSL2129DB0001SSL2129DB0001

230 V 5.5 W Mains dimmable Tapped-Buck reference design

SSL2129DB0002SSL2129DB0002

230 V 5.5 W Mains dimmable Buck reference design


Parametrics of this product

SymbolParameterConditionsMinTyp/NomMaxUnit
VDRAINvoltage on pin DRAIN-0.4600V
VCCsupply voltage814V
Vmainsmains voltage100230V

Package

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
SSL2129AT/1SSL2129AT/1J9352 991 88118Volume productionSOT96-1
(SO8) 		Tape reel smdStandard Marking

Pinning information

PinSymbolDescriptionSimplified outlineGraphic symbol
1HVhigh-voltage supply pinPin configurationSOT96-1
2VCCsupply voltage
3NTCtemperature protection input
4SOURCElow-side external switch
5DRIVERdriver output
6TONMODon time modulation input
7GNDground
8DRAINhigh-side external switch

Outline drawing

Package VersionPackage NamePackage DescriptionReference CodesIssue Date
SOT96-1SO8plastic small outline package; 8 leads; body width 3.9 mmMS-012 (JEDEC); 076E03 (IEC); 2003-02-18

Related documents

Leaflet

Other type

Reflow soldering

Selection guide

Wave soldering

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
SSL2129AT/1SSL2129AT/1JSSL2129AT/1Always Pb-free11
Quality and reliability disclaimer

Quality and reliability disclaimer

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NXP Semiconductors is providing this data for your convenience only. Please note however that NO WARRANTY, REPRESENTATION, GUARANTEE OR LEGALLY BINDING PRODUCT DESCRIPTION is provided by publishing this informational data, nor does NXP Semiconductors acknowledge or accept any liability related thereto. The documentation and data on NXP Semiconductors products can be found in the data sheets as officially published by NXP Semiconductors. For all purchase of products from NXP Semiconductors the NXP Semiconductors' General Terms and Conditions of Commercial Sale will apply.

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Documentation for this product

File nameTitleTypeFormatDate
SSL2129ATDimmable LED controller ICData sheetpdf2013-04-10
AN11136SSL2109/SSL2129AT controller for SSL applicationsApplication notepdf2012-10-24
75017337NXP mains-dimmable drivers and controller for LED lighting SSL21082(A)/84(A) and SSL2129ALeafletpdf2012-10-01
001aan129GreenChip logoLogogif2012-04-20

Ordering & availability

Type numberOrdering code (12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
SSL2129AT/19352 991 88118SSL2129AT/1JNADIGI-KEY CORPORATION9925/21/2013Buy online 

Sample

Sample orders normally take 2-4 days for delivery.
If you do not have a direct account with NXP our network of global and regional distributors is available and equipped to support you with NXP samples. As a NXP customer you also have the option to order samples via our sales organisation.

Demo boards

SSL2129ADB1101
SSL2129ADB1101

SSL2129AT 12 W 230 Vac mains-dimmable flyback reference design

SSL2129ADB1111
SSL2129ADB1111

SSL2129AT 120V 17W PAR38 high PF, non-isolated, dimmable LED driver demo board

SSL2129ADB1120
SSL2129ADB1120

SSL2129AT 20W PAR38 high PF, isolated dimmable LED driver demoboard

SSL2129DB0001
SSL2129DB0001

230 V 5.5 W Mains dimmable Tapped-Buck reference design

SSL2129DB0002
SSL2129DB0002

230 V 5.5 W Mains dimmable Buck reference design

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