LED Lighting Driver Solution

Why LED Lighting ?
• 20% of Global Energy is used for Electricity Generation• Over 25% of a Building Energy Consumption is used forLighting• With LED Lighting adoption can save 40% of lighting
electricity in 2030

LED Lighting App./MarketSegments
High Power• Troffers• Street light• Flood light• Outdoors
60W

Mid Power• Down light• Flat light• Ceiling light• Tubes• Outdoors
25W

Low Power• Smart bulb
• Tubes• Down lightNon- Phase-Cut Dimming

Non Dimming

Phase-Cut Dimming

LED Lighting Power Topology Solution
Segments

Non- Phase-Cut Dimming

Boost
MOSFET
Switches

BD

PFCControllers

Optocouplers

PWM/PFMController• Smart bulb
• Tubes• Down light

DC-DCCCControllers

Voltage
Reference

LDOs/LinearRegulators

Current
Reference

MCU/
Communication
ChipsetSingle Stage Isolated Topology
Phase-Cut Dimmer(Optional)

Switchers

Single Stage PWM
Non-Dim.
Phase-cut Dim.
Non-Phase-cut Dim

Single Stage/ 2 stage Isolated Topology
Wall Switch
Step Dimming

Output Scalable
Load managementwith PWM Dimming
SingleStage
PFC
PWM

Trans.

Load Scalable
Dim. Controller

MCU

Secondary
MOSFET
SwitchsBD

AC-DC PSR/SSR
PWM Controller
2 Stage
Smart Light

Low Power

Secondary
MOSFET
Switchs

PowerTransformer

PFC/PWM Combo Controllers

Mid Power• Down light• Flat light• Ceiling light• Tubes• Outdoors
25W

Primary
MOSFET
Switches

HS/LS_Gate
Drivers

LS_GateDrivers

60W

Phase-Cut Dimming

Multiple stage Isolated Topology

High Power• Troffers• Street light• Flood light• Outdoors

Non Dimming

Switchers

BD

Direct AC LED Driver

0-10 Dimming

Phase-Cut
DimmerLight/ Occupancy
Sensor

WiredControl

DC-DC
CC
Controllers
LDOs/
LinearRegulators

NFC Reader

WirelessControl
MCU/
Communication
ChipsetPower
Transformer

BD

Direct AC
Driver ICSingle Stage Non-Isolated Topology
Phase-Cut Dimmer(Optional)

BD

Single Stage
Non-isolation
PWM controllers
SwitchersDirect AC LED Driver Solution
NCL30170 Power scalable/Wide Dimmable AC LED driver IC
Key Features

Benefits
Option forphase-cutdimming Accurate LED CC regulation: <±1%

 Excellent Light Uniformity

 Workable for Constant Power regulation

 High Design Flexibility

 Selectable LED Channel counts

 Easy Power Scalability 5~300 W

HVVDD

 High PF & Low THD : >0.99 / <10%

 Overpass global standard

NCVIN

 Proprietary Active PC Dimmer Control Tech.

 Excellent Phase-cut dimmer

BLDOUT Wide Analog Dimming range: 5~100%Compatibility
 Flexible Smart Lighting Design
 Fast start up & Low eBOM
 High System Reliability

 HV Startup Current Source Protections- Input Over Voltage Protection- RCS Short Protection- Thermal ShutdownMarket & Applications
 LED Light - PAR, Down, Tube, Flat, Ceiling, Flood, High Bay, Street Light- Non-Dimming, Phase-Cut Dimming- Analog Dimming (0-10)

AC Input

Analog dimming signal

DIM

FB

ON’s System IP

GND

CS

Ordering & Package Information
NCL30170ADR2G

VDIM: 0 - 3V

10 SOICNCL30170BDR2G

VDIM: 0 - 1.5V

10 SOICPhase-Cut Dimming Solution
FL7734 Universal Input Phase-Cut Dimming Single Stage PSR Controller
Key Features

Benefits

Universal Input Φ-cut Dim.
•
Controllable IIN min.
•Controllable Dimming curve<± 1% Line regulation PSR Control •RCS short and open protec.
••
•
•
•
•

Universal input design
Meet SSL7A & EnergyStar
Good light uniformity and Low BOM
High system liability

Other Features
••
•
••
•

High PF, Low THD : >0.9 / <20Fast < 0.3 s Start-up (@ Small phase angle)LED Short Protection (SCP)LED Open Protection (OVP-VS, OVP-VDD)
Output Diode Short Protection (OCP)
Over Temperature Protection (TSD)

Market & Applications•Phase-Cut Dimming LED Light A19, PAR30/38, Down Light
 Indoor Flat, Ceiling light

Evaluation Boards and Design Tools Available
Ordering & Package Information
Ordering Part Number
FL7734MX

Package
16SOICStep Dimming Driver with Mechanical Wall Switch
NCL30185 Step Dimmable QR PSR Current Mode Controller for LED Lighting
Key Features•Precise current regulation accuracy(±2% typical)
Quasi-resonant control
Adjustable thermal foldback
3 Step Dimmable (70/25/5%)
Programmable OVP••••

Benefits•••••

Avoids over specifying LEDs to achieve
lumen output
Higher efficiency
Improved driver reliability
Triac Dimmer Not Required
User can set over voltage protection level

Other Features••••

Current control insensitive to normal transformer variation
Wide Vcc range (9.4-26 Vdc) to support extend VF range
Output diode and shorted winding protection
Cycle-by-cycle current limiting• Open LED and shorted output protection• Built-in Vcc overvoltage protection

Market & Applications•LED Bulbs and tubes• LED Drivers• LED Luminaires

Ordering & Package Information
Ordering Part NumberProtections

Package

NCL30185ADR2G

Latched Fault

8 SOICNCL30188BDR2G

Auto Recoverable

8 SOICNon-Phase-Cut Dimming Single Stage Solution
NCL30486 Smart-Dimmable CC/CV PSR Controller
Key Features

Benefits

 Integrated 700 V HV Startup

 Fast startup, low Pstdby

 Precise current regulation accuracy (<±2% Constant brightnesstypical)
 Precise voltage regulation accuracy (<±1%typical)

 Aux. power supply for MCU & coldstart up

 PF(>0.95)/THD(<10%) @ Univ.
 Quasi-resonant control

 Exceeds global standards

 Standby Mode
 Optional PSR/SSR mode Higher efficiency
 PIN: < 150 mW

 Excellent Dimming features

 Design flexibility- Dimming curve: Linear/Quadratic- ADIM: Analog IOUT with VDC
PWM IOUT with VPWM
- PDIM: Analog IOUT with VPWM
- Optional Min. Dim. Clamping(0/1/5/8%)- DIM CV Mode
 Protections- BO/ Line OVP/ VCC OVP- LED Open/ short protection- Winding / Diode short protection- TSD

Market & Applications•

Analog/PWM Dimmable LED Driver Design flexibility
 Supports “Smart” Lighting Use opto. Instead of pulse trans.
 Deep dimming features
 Vcc supply for Smart lighting MCU
 High system reliability

Ordering Part NumberFeatures

Package

NCL30486A2DR2G

1% Dim clamp

9 SOICNon-Dimming Single Stage Solution
NCL30488 Singe Stage CC/CV PSR controller
Key Features

Benefits

 Integrated 700 V HV Startup

 Fast startup, low Pstdby

 Precise current regulation accuracy

 Constant brightness(<±2% typical)
 Precise voltage regulation accuracy Aux. power supply for MCU &(<±2% typical)

cold start up

 PF(>0.95)/THD(<10%) @ Univ.
 Quasi-resonant control

 Exceeds global standards

 Standby Mode Higher efficiency

 Optional PSR/SSR mode

 PIN: < 150 mW

 Protections

 Design flexibility- BO/ Line OVP/ VCC OVP- LED Open/ short protection- Winding / Diode short protection- TSD

 High system reliability

Market & Applications•

Non Dimming LED Light

Ordering & Package Information
Ordering Part NumberFeatures

Package

NCL30488A2DR2G

BO: 138 V

7 SOICNCL30488A3DR2G

BO: 108 V

7 SOICLED Panel Lighting Solution
NCL30125 2SW forward controller for low Vout/ high Iout LED loadInput

Key Features Adjustable frequency upto 300KHz
 Internal 700 V high side gate driver

412Benefits

EMIFilter

3

AC1+

AC2-

1VBulk2+

 Internal 700 V HV startup current source Fast startup & Low standby power

0HB

0T1

21Lout2+13VBulk
U115
1HVBOOT
HB

Rbo_h
345

 Skip cycle mode

 Real no load operation

 Jittering function

 Good EMI performance6
Rbo_lCpole

7CboFWRrtCss8

FAULT

DRV_HI16DRV_LO

Cboot
15GND

M20FB

 Stable operation in transient & no load.

RledHB

14DRV_HI

12DRV_LO

FBSenseRupper

BOFB

DRV_LO

RTGND

SS

VCCFW

CS

Rsense

U113

Rbias

1110Vcc

9Sense

Laux

Czero
U114
Aux

Rcomp

NCL30125

0Vcc+Cv ccCcs

Rlower00

GND

Other Features
Market & Applications
Lighting Advertisement power board - 2SW Forward converter Power Supplies for Power tool charger, PC Silver Boxes, Games Adapter
CoutFW Dynamic Self Supply (DSS)

Design Flexibility 35 V wide VCC operation Adjustable operating frequency & soft start duration
 Optional features (Skip threshold, BO level, OCP timer & etc.)
 Auto-recovery or Latch option
 Robust system operation
 Brown-out, OCP(SCP/OLP), VCC OVP, TSD, Dedicated Fault pin for OVP or OTP detection

OutputM3

 Save external pulse transformer
 High power driving capability

M1
DRV_HI 2 Switch Forward optimal design

 +0.9/-1.2 A high & low side gate driver

Cbulk

DB1

Ordering & Package Information
Ordering Part NumberFeaturesPackage

NCL30125A2DR2GLatch

14 SOICNCL30125B2DR2G

AR14 SOIC21

Multiple Power Stage Solution – Flyback+Buck
FL7740 (Single Stage CV PSR PWM IC) + FL7760 (Wide ADIM Buck PWM IC)
AC-DC PFC CV PSR Flyback•

FL7740 Single Stage CV PSR Controller••••

Precise CV regulation: <±2%.
Fast line/load transient response: <±10%.
Low Standby Power consumption: <0.15W at no-load.
>0.9 PF at Half load & 305VAC condition

AC Input

FL7760 70 V CCM Dimmable Buck Controller•••Input voltage range: 8 VDC ~ 60VDC
Wide Dimming Range• Analog: 5~100%.
• PWM: 1~100% (@2KHz)

HVCOMV

•

VIN

SEN

VDD

OUT

DIM

GND

VDD
GATE
CS

SSOT-6L
PFVS

GND

BIAS

Analog / PWM signal

SOP-10MCU

Connectivity
ModuleMarket & Applications•FL7760

FL7740N.C•

DC-DC CC Buck

Aux. Power

Smart Luminaries
Low profile Power Supply

0-10 DIM.
PWM DIM.

50 W – 2Ch. Buck EVB Available

Multiple Power Stage Solution – Boost PFC + LLC HB
NCL2801 (Ultra low THD CrM Boost) + NCP13992 (Current Mode LLC controller)•NCL2801 CrM PFC Controller•••••

NCP13992 Current Mode LLC half bridge controller•••••

Valley Count Frequency Foldback for high efficiency
Daynamic Response Enhancer for lower undershoot
Soft/Fast OVP for lower overshoot
THD Enhancer for < 10% THD

Built-in 600V/1A H/B driverHigh Frequency 50 KHz to 750 KHz
Light Load Mode for standby power• < 30 mW off-mode• < 100 mW No Load
Quiet Skip Mode for less audible noiseMarket & Applications••

Smart Luminaries
Non-Dimmable LED driver

150 W EVB