SSL4101T

GreenChip III+ SMPS control IC


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The SSL4101T combines a controller for Power Factor Correction (PFC)and a flyback controller. Its high level of integration allows the design of a cost-effective LED lighting application power supply with a very low number of external components. The built-in green functions provide high efficiency at all power levels. This applies to quasi-resonant operation at high power levels, quasi-resonant operation with valley skipping, as well as to reduced frequency operation at lower power levels. At low power levels, the PFC switches off to maintain high efficiency.

Features and benefits

  • Integrated PFC and flyback controller
  • True universal mains supply operation: 70 V (AC) to 305 V (AC)
  • High level of integration, resulting in a:
  • - very low external component count
  • - cost-effective design
  • On-chip start-up current source
  • Valley/zero voltage switching for minimum switching losses
  • Frequency limitation to reduce switching losses
  • PFC is switched off when a low load is detected at the flyback output
  • Valley switching for minimum switching losses
  • Frequency reduction with fixed minimum peak current at low power operation
  • Safe restart mode for system fault conditions
  • Continuous mode protection by means of demagnetization detection
  • UnderVoltage Protection (UVP) (foldback during overload)
  • Accurate OverVoltage Protection (OVP) for both converters
  • Open control loop protection for both converters
  • IC overtemperature protection
  • Low and adjustable OverCurrent Protection (OCP)
  • General purpose input for latched protection

Applications

  • Industrial high-bay and low-bay lighting
  • Commercial interior lighting
  • Parking garage and area lighting
  • Street lighting
All information on this product information page is subject to the subsequent disclaimers:
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Parametric search

Show functional diagram

SSL4101T block diagram
SSL4101T block diagram

Demo boards

SSL4101DB01SSL4101DB01

SSL4101DB01 150 W SSL reference design

SSL4101DB02SSL4101DB02

SSL4101DB02 150 W 4x 1A SSL reference design


Parametrics of this product

SymbolParameterConditionsMinTyp/NomMaxUnit
fsw(PFC)maxmaximum PFC switching frequency300380460kHz
fsw(fb)maxmaximum flyback switching frequency100125150kHz
Tjjunction temperature-40150°C
VHVvoltage on pin HV-0.4650V
VCCsupply voltage-0.438V
Vmainsmains voltage100277V
Vstartupstart-up voltage212223V
Vth(UVLO)undervoltage lockout threshold voltage141516V

Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
SSL4101T/1SSL4101T/1,5189352 951 28518Volume productionSOT109-1
(SO16) 		Reel Dry Pack, SMD, 13"Standard Marking

Pinning information

PinSymbolDescriptionSimplified outlineGraphic symbol
1VCCsupply voltagePin configuration: SSL4101T (SOT109-1)SOT109-1
2GNDground
3FBCTRLcontrol input for flyback
4FBAUXinput from auxiliary winding for demagnetization timing and overvoltage protection for flyback
5LATCHgeneral purpose protection input
6PFCCOMPfrequency compensation pin for PFC
7VINSENSEsense input for mains voltage
8PFCAUXinput from auxiliary winding for demagnetization timing for PFC
9VOSENSEsense input for PFC output voltage
10FBSENSEprogrammable current sense input for flyback
11PFCSENSEprogrammable current sense input for PFC
12PFCDRIVERgate driver output for PFC
13FBDRIVERgate driver output for flyback
14HVShigh voltage safety spacer, not connected
15HVShigh voltage safety spacer, not connected
16HVhigh voltage start-up and valley sensing of flyback part

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
SSL4101T/1SSL4101T/1,518SSL4101T/1Always Pb-free33
Quality and reliability disclaimer

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Documentation for this product

TypeFormatTitleDate
Data sheetpdfGreenChipIII+ SMPS control IC (v.1.0)2011-04-26
Application notepdfSMPS EMC and layout guidlines (v.1.0)2011-02-18
Application notepdfGreenChip III+ SSL4101 integrated PFC and flyback controller (v.1.0)2011-05-13
BrochurepdfLED Lighting Solutions Quick Start Guide With NXP Driver ICs (v.1.0)2012-01-12
LogogifGreenChip logo (v.1.0)2012-04-20
User manualpdf48 V/150 W demo board using the SSL4101 (v.1.1)2012-05-22

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
SSL4101T/19352 951 28518SSL4101T/1,518NADIGI-KEY CORPORATION3,0095/24/2012Buy online 
   NADIGI-KEY CORPORATION3,0095/24/2012Buy online 
   NAMOUSER ELECTRONICS2,6585/24/2012Buy online 
   NAAVNET EXPRESS2,5005/24/2012Buy online 
   NAARROW ELECTRONICS2,5005/24/2012Buy online 
   EUARROW EUROPE2,5005/23/2012Buy online 
   NAWPG AMERICAS INC.805/24/2012Buy online 
   ASIAWPI80250005/14/2012Buy online 
   NANEWARK/ELEMENT14305/24/2012Buy online 
   EUFARNELL305/24/2012Buy online 
   ASIAELEMENT14 APAC305/24/2012Buy online 
   NAFUTURE ELECTRONICS185/23/2012Buy online 
   EUFUTURE ELECTRONICS UK185/23/2012Buy online 
   ASIAFUTURE ELECTRONICS- ASIA185/23/2012Buy online 

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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

SSL4101DB01
SSL4101DB01

SSL4101DB01 150 W SSL reference design

SSL4101DB02
SSL4101DB02

SSL4101DB02 150 W 4x 1A SSL reference design

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