Cirrus-logic CS1613A Manuel d'utilisateur
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Copyright Cirrus Logic, Inc. 2014
(All Rights Reserved)
Cirrus Logic, Inc.
http://www.cirrus.com
CS1610A/11A
CS1612A/13A
TRIAC Dimmable LED Driver IC
Features & Description
• Best-in-class Dimmer Compatibility
- Leading-edge (TRIAC) Dimmers
- Trailing-edge Dimmers
- Center-cut Dimmers
- Digital Dimmers (with Integrated Power Supply)
• Up to 90% Efficiency
• Optimized for 25W Input Power
• Flicker-free Dimming
• 0% Minimum Dimming Level
• Quasi-resonant Second Stage with Constant-current Output
- Flyback and Buck
• Fast Startup
• Tight LED Current Regulation: Better than ±5%
• Primary-side Regulation (PSR)
• >0.9 Power Factor
• IEC-61000-3-2 Compliant
• NEMA SSL6 Compatible
•Soft Start
• Protections:
- Output Open/Short
- Current-sense Resistor Open/Short
- External Overtemperature Using NTC
Overview
The CS1610A/1A/12A/13A is a digital control IC engineered to
deliver a high-efficiency, cost-effective, flicker-free, phase-
dimmable, solid-state lighting (SSL) solution for the incandescent
lamp-replacement market. The CS1610A/11A is designed to
control a quasi-resonant flyback topology. The CS1612A/13A is
designed to control a buck topology. The CS1610A/12A and
CS1611A/13A are designed for 120VAC and 230VAC line
voltage applications, respectively.
The CS1610A/11A/12A/13A integrates a critical conduction
mode (CRM) boost converter that provides power factor
correction and dimmer compatibility with a constant output
current, quasi-resonant second stage. An adaptive dimmer
compatibility algorithm controls the boost stage and dimmer
compatibility operation mode to enable flicker-free operation to
<2% output current with leading-edge, trailing-edge, center-cut,
and digital dimmers (dimmers with an integrated power supply).
Applications
• Dimmable Retrofit LED Lamps
• Dimmable LED Luminaries
• Offline LED Drivers
• Commercial Lighting
Ordering Information
See page 16.
T1
D8
C9
LED+
LED-
D7
R12
NTC
Z2C8
R11
D6
R8
R13
R
FB GA IN
Q4
CS1610A/11A
IAC
SOURCE
FBGAIN
FBAUX
BSTOUT
GNDSGND
13
16
5
4
IPK
CLAMP
GD
FBSENSE
eOTP
15
8
9
10
12
11
1
14
2
BSTAUX
VDD
R10
3
R
S
C
NTC
R9
R
IP K
BR1 BR1
AC
Mains
C7
L1
D2
BR1 BR1
D5
L2
C2
R4
R6
R7
Q2
Z1 C4
C3
R2
D1
R1
C1
R5
C6
D4
D3
C5
Q1
R3
V
rect
V
BST
Q3
JUN’14
DS976F1
Résumé du contenu
Page 1 - TRIAC Dimmable LED Driver IC
Copyright Cirrus Logic, Inc. 2014(All Rights Reserved)Cirrus Logic, Inc.http://www.cirrus.comCS1610A/11ACS1612A/13ATRIAC Dimmable LED Driver ICFeatu
Page 2
CS1610A/11ACS1612A/13A10 DS976F15.4.1 Maximum Peak CurrentThe maximum boost inductor peak current is set usingexternal resistor RIPK on pin IPK, which
Page 3
CS1610A/11ACS1612A/13ADS976F1 115.5 Voltage Clamp CircuitTo keep dimmers conducting and prevent them from misfiring,a minimum power needs to be delive
Page 4
CS1610A/11ACS1612A/13A12 DS976F1A quasi-resonant buck stage is illustrated in Figure 16. Thebuck stage is controlled by measuring current in the bucki
Page 5
CS1610A/11ACS1612A/13ADS976F1 135.7.4 Overcurrent ProtectionOvercurrent protection (OCP) is implemented by monitoringthe voltage across the second sta
Page 6
CS1610A/11ACS1612A/13A14 DS976F1When exiting reset, the chip enters startup and the ADCquickly (<5ms) tracks the external temperature to check if i
Page 7
CS1610A/11ACS1612A/13ADS976F1 156. PACKAGE DRAWINGNotes: 1. Controlling dimensions are in millimeters.2. Dimensions and tolerances per ASME Y14.5M.3.
Page 8
CS1610A/11ACS1612A/13A16 DS976F17. ORDERING INFORMATION8. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION Ordering Number Container AC Line
Page 9
CS1610A/11ACS1612A/13ADS976F1 179. REVISION HISTORYRevision Date ChangesPP1 JAN 2012 Initial release.PP2 APR 2012Removed ambient temperature range spe
Page 10
CS1610A/11ACS1612A/13A18 DS976F1Contacting Cirrus Logic SupportFor all product questions and inquiries contact a Cirrus Logic Sales Representative. To
Page 11
CS1610A/11ACS1612A/13A2 DS976F11. INTRODUCTIONA typical schematic using the CS1610A/11A for flybackapplications is shown on the previous page.Startup
Page 12
CS1610A/11ACS1612A/13ADS976F1 32. PIN DESCRIPTIONPin NamePin # I/ODescriptionBSTAUX1INBoost Zero-current Detect — Boost Inductor demagnetization sensi
Page 13
CS1610A/11ACS1612A/13A4 DS976F13. CHARACTERISTICS AND SPECIFICATIONS3.1 Electrical CharacteristicsTypical characteristics conditions: •TA=25°C, VDD=12
Page 14
CS1610A/11ACS1612A/13ADS976F1 5Notes: 1. The CS1610A/11A/12A/13A has an internal shunt regulator that limits the voltage on the VDD pin. VZ, the shunt
Page 15
CS1610A/11ACS1612A/13A6 DS976F13.2 Thermal Resistance3.3 Absolute Maximum RatingsCharacteristics conditions:All voltages are measured with respect to
Page 16
CS1610A/11ACS1612A/13ADS976F1 74. TYPICAL PERFORMANCE PLOTS Figure 3. UVLO CharacteristicsFigure 4. Supply Current vs. VoltageFigure 5. Turn On/Of
Page 17
CS1610A/11ACS1612A/13A8 DS976F15. GENERAL DESCRIPTION5.1 OverviewThe CS1610A/11A/12A/13A is a digital control IC engineered todeliver a high-efficienc
Page 18
CS1610A/11ACS1612A/13ADS976F1 95.3.4 Leading-edge ModeIn Leading-edge Mode, the CS1610A/11A/12A/13A regulatesboost output voltage VBST while maintaini
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