Power Controller. iW3630 Datasheet

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iW3630 Datasheet
Recommendation iW3630 Datasheet
Part iW3630
Description AC/DC Digital Power Controller
Feature iW3630; iW3630 AC/DC Digital Power Controller for High Power Factor Analog and 0-10V Dimmable LED Drivers 1 .
Manufacture Dialog Semiconductor
Datasheet
Download iW3630 Datasheet




Dialog Semiconductor iW3630
iW3630
AC/DC Digital Power Controller for High Power
Factor Analog and 0-10V Dimmable LED Drivers
1 Description
The iW3630 is a two-stage, high-performance AC/DC offline power supply controller for dimmable LED luminaires with
analog dimming interface. It controls LED current based on analog input voltage on the dimming pin. It has a
built-in 0-10V dimming interface that works directly with 0-10V dimming systems, eliminating the need for a driver
circuit and microcontroller. It also provides a PWM digital interface to support wireless SSL applications, without
adding auxiliary power supplies. The iW3630 uses Dialog’s unique digital FlickerlessTM technology to eliminate visible
flicker in the entire dimming range and to minimize low frequency output ripple current.
The iW3630 operates the main power converter that delivers constant current to the LED load in quasi-resonant
mode to provide high power efficiency and minimize electro-magnetic interference (EMI). It uses Dialog’s patented
PrimAccurateTM primary-side sensing technology to achieve excellent LED current regulation under different AC line
and LED load voltages, without using a secondary-side feedback circuit and eliminating the need for an optocoupler.
The iW3630 minimizes the external components count by simplifying the EMI filter with Dialog’s EZ-EMI® technology.
Additionally, the digital control loop of the iW3630 maintains stability over all operating conditions without the need for
loop compensation components.
2 Features
Isolated/non-isolated offline 100VAC/277VAC LED driver
controller
Meets IEC61000-3-2 requirements
Total harmonic distortion < 15% with
Power Factor > 0.95
Analog input dimming level control
Built-in 0-10V isolation transformer driver
PWM digital interface
Under 10% output ripple current
Wide dimming range from 1% to 100%
● FlickerlessTM LED dimming technology
Quasi-resonant control to achieve high efficiency
(typical > 85%)
3 Applications
Dimmable LED ballast with analog input for dimming
control
Dimmable LED ballast with 0-10V interface for
dimming control
Wireless SSL lighting
Output power up to 45W
Small size
xx Two-stage topology enables small-size input and
output filter capacitors
xx 200kHz maximum switching frequency enables
small transformer
● PrimAccurate™ primary-side sensing technology
eliminates opto-isolator and simplifies design
Tight LED current regulation
Supports wide LED output voltage range
Multiple protection features:
xx LED open-circuit and short-circuit protection
xx Over-current protection
xx Current sense resistor short-circuit protection
xx AC line over-voltage/frequency protection
xx Internal junction temperature-based over-
temperature protection
Product Summary
www.dialog-semiconductor.com
Rev.1.1
1 of 7
27-Jan-2016
© 2016 Dialog Semiconductor



Dialog Semiconductor iW3630
iW3630
AC/DC Digital Power Controller for High Power
Factor Analog and 0-10V Dimmable LED Drivers
Boost
Converter
AC Input
Flyback
Converter
VOUT
1
BVSENSE
4 BDRV
14
VCB
6
ASU
3 BISENSE
iW3630
7
VCC
FDRV 10
FISENSE 11
2 VIN
AGND
9
PGND
8
TDRV
5
FVSENSE 12
DIM
13
RTN
AC Input
Figure 3.1 : iW3630 Analog Dimming Simplified Schematic
Boost
Converter
Flyback
Converter
1
BVSENSE
4 BDRV
14
VCB
6
ASU
3 BISENSE
iW3630
7
VCC
FDRV 10
FISENSE 11
2 VIN
AGND
9
PGND
8
TDRV
5
FVSENSE 12
DIM
13
VOUT
RTN
Product Summary
www.dialog-semiconductor.com
0-10V input
Figure 3.2 : iW3630 0-10V Dimming Simplified Schematic
Rev.1.1
2 of 7
27-Jan-2016
© 2016 Dialog Semiconductor



Dialog Semiconductor iW3630
iW3630
AC/DC Digital Power Controller for High Power
Factor Analog and 0-10V Dimmable LED Drivers
Boost
Converter
AC Input
Flyback
Converter
VOUT
1
BVSENSE
4 BDRV
14
VCB
6
ASU
3 BISENSE
iW3630
7
VCC
FDRV 10
FISENSE 11
2 VIN
AGND
9
PGND
8
TDRV
5
FVSENSE 12
DIM
13
RTN
RF Module
Figure 3.3 : iW3630 Wireless Dimming Simplified Schematic
Product Summary
www.dialog-semiconductor.com
Rev.1.1
3 of 7
27-Jan-2016
© 2016 Dialog Semiconductor







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