HB LED Brochure, rev. 9
Transcription
HB LED Brochure, rev. 9
High-brightness LED drivers Interior lighting Architectural lighting Exterior lighting Retrofit lamps HB LED drivers Display backlighting Street lights, solar lights LCD TV and desktop backlighting Maxim’s high-brightness LED (HB LED) drivers are dedicated integrated circuits for white or RGB LEDs. They are energy-saving, cost-effective choices that enable the next generation of LCD backlighting, projection, automotive, and general lighting applications. Maxim’s continually expanding HB LED portfolio includes 28 products covering the full range of linear and switch-mode topologies (buck, boost, SEPIC, and other topologies). TM www.maxim-ic.com/LED Solid-state lighting AC or DC input Automotive applications Projector and rear-projection TVs HB LED drivers for the widest range of lighting applications Flexible and robust with wide input-voltage and output-power ranges Architectural and street lighting MAX16820/MAX16822/MAX16832 •Low-cost buck drivers •Up to 65V input MR16 lights MAX16826 •4-string switching driver with I2C MAX16824/MAX16825 •3-string linear drivers with SPI� M400 MAX16834 •Compatible with electronic transformers and triac dimmers •Enables flicker-free, dimmable MR16s •Up to 12W of LED power Offline lighting LuxDotTM MAX16834 •> 0.90 input power-factor correction (patent pending) •Compatible with triac dimmers •Low component count PAR20 s EV kit e bl a l i a av SPI is a trademark of Motorola, Inc. M400 and PAR20 product photos courtesy of LEDtronics, Inc. LuxDot is a trademark of LedEngin, Inc. Photo courtesy of LedEngin, Inc. Remaining photo: iStockphoto.com. 2 Solar-powered lighting MAX16821 •Synchronous rectification for driving high-power, common-anode LEDs •> 94% efficiency, delivers up to 150W MAX16834 •Boost and buck-boost topologies Robust HB LED drivers for all automotive lighting applications Superior efficiency, flexibility, and ease of use Robust d rivers withstan d and cold load dump crank, +1 25°C temps, a nd LED s h ort condition s ts EV ki e bl a l i ava Highly efficient and robust Widest dimming range Highly integrated Flexible Front lights, DRL Display backlighting Interior lights Tail lamps, CHMSL, sidelights MAX16833 • 5V to 76V operation; buck, boost, or buck-boost; short-circuit protection between any I/O pins; overvoltage and thermal protection; frequency dithering MAX16814 • Four channels; integrated VOUT optimization and fault protection; 5000:1 dimming MAX16839 • Up to 100mA; open-LED detection; multiple device simultaneous turn-off in the event of a fault MAX16839 • Up to 100mA; open-LED detection; multiple device simultaneous turn-off in the event of a fault MAX16836 • Compact; up to 350mA; low EMI MAX16804 • PWM/theater dimming; no microcontroller required; low EMI MAX16823 • Three channels; independent dimming; open-LED detection MAX16821/MAX16834 • Up to 75W; > 94% efficient; buck, boost, or buck-boost; overvoltage and thermal protection MAX16832 • Up to 65V operation; compact; PWM/linear dimming; thermal shutdown MAX16838 • Two channels; built-in MOSFETs, VOUT optimization, and fault protection; 5000:1 dimming MAX16807/MAX16809 • Drive 8 to 16 channels; boost or SEPIC; 5000:1 dimming MAX16826 • I2C-programmable LED current simplifies designs; LED fault detection; VOUT optimization MAX16805/MAX16806 • Programmable for LED binning, eases manufacturing MAX16836/MAX16815/ MAX16828 • Compact; 350mA/100mA/ 200mA output; low EMI 3 Dimmable MR16 LED lamps compatible with most electronic transformers MAX16834-based, unique LED driver solution allows flicker-free operation 110V TO 220V LINE TRAILINGEDGE DIMMER CHOPPED AC ELECTRONIC TRANSFORMER 12VAC, 24VAC MAX16834 DIMMABLE DRIVER SOLUTION MR16 LAMP Flicker-free dimmable MR16 lamp •Flicker-free operation with most electronic transformers •Dimmable with cut-angle (e.g., trailing-edge) dimmers 4 Small board space and low BOM cost •Internal switching MOSFET •Low external component count •No need for electrolytic capacitors •Available in thermally enhanced, 20-pin TQFN-EP and TSSOP-EP packages Highly reliable solution •No need for electrolytic capacitors •-40°C to +125°C operating temperature rating Longest lifetime for dimmable 120/230VAC LED lamps MAX16834-based, proprietary LED driver solution eliminates need for electrolytic capacitors and allows isolated/nonisolated topologies 120V/230V LINE TRIAC DIMMER MAX16834 DIMMABLE DRIVER SOLUTION LED LAMP Flicker-free, dimmable lamps •Dimmable with cut-angle (e.g., triac) dimmers Flexible •Nonisolated (buck) and isolated (flyback) topologies Small board space and low BOM cost •Single converter solution •Low external component count •No need for electrolytic capacitors •Available in thermally enhanced, 20-pin TQFN-EP and TSSOP-EP packages Highly reliable solution •No need for electrolytic capacitors •-40°C to +125°C operating temperature rating 5 First high-current, linear LED driver eliminates the need for µC and switch-mode converter Ideal for automotive lighting applications; reduces cost and EMI Eliminates need for switch-mode converter • Programmable LED current foldback limits power dissipation from excessive VIN and/or LED temperature 5.5V TO 40V ILED IN OUT 0.1µF EN MAX16806 V5 5V REG 0.1µF Factory-programmable LED current setting simplifies use of multiple LED bins LEDs CS+ RSENSE LED brightness adjustment without µC PWM signal • On-board 200Hz ramp allows analog or PWM control dimming Integrated wetting current and debounce for momentary switch CSSW DIM Small, thermally enhanced package TQF 20- N 5 m m x 5m m EV kit le availab 350mA LED driver family 6 Part EN Pin ±3.5% LEDCurrent Accuracy MAX16800 ✓ ✓ LoadDump Protected (45V) ✓ MAX16803 ✓ ✓ ✓ ✓ ✓ MAX16804 ✓ ✓ ✓ ✓ ✓ ✓ MAX16805 ✓ ✓ ✓ ✓ ✓ MAX16806 ✓ ✓ ✓ ✓ ✓ MAX16835 MAX16836 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ 5V Output DIM Input DIM with DC Signal VIN Programmable LED-Current Foldback Programmable LED-Current Reference ✓ ✓ ✓ ✓ ✓ ✓ Programmable Thermal Foldback MomentarySwitch Interface ✓ ✓ ✓ ✓ Small HB LED drivers simplify lighting design 100mA (MAX16815) and 200mA (MAX16828) drivers 350mA drivers Load-dump protection to 45V IN, EN, DIM 0.1µF IN OUT EN V5 LEDs Wide PWM dimming range m x 5m m 5 m VREF CS+ CS- GND RSENSE DIM TQF 16- N MAX16815 MAX16828 DIM 0.1µF MAX16803 MAX16836 LO VIN 5V REG GND CS- 6-TDFN RSENSE adjusts LED current Features •Up to 1A LED current with external transistor •±3.5% LED current accuracy •Wave-shaped edge control minimizes EMI during PWM dimming •Low 200mV current-sense reference minimizes power dissipation •Works down to +5V for automotive cold cranking •Short-circuit protection •Thermal shutdown •Operates from -40°C to +125°C 3m m 6.5V TO 40V 5V regulator powers µC m x 3m EV kit availa s ble Applications •Automotive interior lighting •Dome lights, map lights •Radio/stereo backlighting •Dashboard displays •Navigation system backlighting •Automotive exterior lighting •Rear combination lights (RCLS) •Tail light/side marker assemblies •Display backlighting •Signage and indicators •Ambient and architectural lighting 7 Highest integration LED driver ideal for automotive applications High-voltage, 3-channel linear driver with open-LED detection 5.5V TO 40V IN Linear drive and wave-shaped dimming minimize EMI OUT1 45V load-dump protection OUT2 OUT3 REG MAX16823 DIM1 EV kit availa ble LEDs CS1+ LEDs R1 DIM2 CS2+ DIM3 Open-LED detection active during dimming 3.4V LEDs R2 LEDGOOD CS3+ SO -TS P-E Flexible •Adjustable constant LED current (Up to 70mA, 2A with external BJT) •±5% LED current accuracy •Low dropout voltage (0.7V, max) •3.4V regulator with 4mA capability 8 m m x 5m m m x 5m 5 6.4 mm Independent LED-string current adjustment TQF 16- N P 16 R3 Robust •Undervoltage lockout •Short-circuit protection •Thermal shutdown •Operates from -40°C to +125°C Applications •Automotive lighting (RCL, CHMSL, RGB ambient) •Warning lights •LCD panel backlighting Linear driver uniquely fulfills automotive fault-detection requirements Fault output and simultaneous shutdown of multiple strings if one fails VBAT VIN 5V TO 40V CIN 0.01μF ILED 100mA LEDs IN DIM SINK MAX16839 FLTS CFLTS 0.1μF CS GND RCS 2Ω Advanced fault-detection features •Open-LED detection output •In multistring applications, if one string fails, all are shut down Ideal for automotive voltage and temperature requirements •5V to 40V operating input voltage range •-40°C to +125°C temperature range Constant-current LED control •15mA to 100mA LED current •±5% current accuracy Available in 6-pin TDFN and 8-pin SO packages 9 3-channel HB LED drivers have independent dimming Drive 150mA LED current with choice of PWM dimming or SPI interface VIN C1 LEDs LEDs OUT1 VIN LEDs MAX16824 MAX16825 OUT2 OUT3 PWM1 PWM2 CS1 R1 PWM3 VREG VREG CS2 C2 R2 GND CS3 R3 Features •Up to 36V output voltage range •Three output channels with independently adjustable LED current (150mA each) •±5% LED current accuracy •Three dedicated dimming-control pins (MAX16824) or 4-wire interface (MAX16825) •Auxiliary 5V, 4mA voltage regulator •Short-circuit protection for each output •Accurate, 200mV current-sense reference reduces power losses •Thermal shutdown •Drivers can be cascaded (MAX16825) 10 Applications •Small LCD displays •LED message displays •Industrial, architectural, and decorative lighting •Mood lighting •Signage •RGB LED lighting Highly integrated, high-output-current multistring drivers provide a reliable, cost-effective solution Protect LEDs and driver in case of fault, and allow dimming the light over a 5000:1 range VIN 4.5V TO 40V UP TO 40V Adaptive voltage optimization maximizes efficiency and minimizes PDISS Available in TQFN and TSSOP packages IN NDRV CS OVP OUT1 OUT2 VCC Up to 5000:1 PWM dimming range OUT3 OUT4 DRV MAX16814 SETI Fail-proof: open-LED and shorted-LED protection FLT DIM COMP GND Robust, fault-tolerant solution •40V input capability •Automatically disable LED strings if LEDs fail as open or short •Fault-detection output Allow dimming light over a wide range •5000:1 PWM dimming range at 200Hz dimming frequency • LCD TVs • Automotive displays • Monitors Ideal for a wide range of backlighting applications •Four (MAX16814) or two (MAX16838) strings •Up to 150mA/string Highly integrated, cost-effective solution •Internal MOSFETs (except switching MOSFET for MAX16814) •Output voltage optimization for maximum efficiency •LED fault protection 11 Highest integration LED drivers for white or RGB LED LCD backlighting High-efficiency PWM controllers with 8 or 16 constant-current channels Boost or buck-boost (SEPIC) preregulator • Optimized voltage for LED array Parallel outputs for higher current • 3% channel-to-channel current matching VIN EV k avail it able OUT VCC Stand-alone or µC operation • Up to 5000:1 dimming range • Up to 30kHz dimming frequency MAX16807 OUT0 OUT1 Individual closed-loop current control • 40VOUT pin rating OE PWM LED current set by single resistor • Up to 55mA per string CS SET OUT7 RSET Small, thermally enhanced packages Q 38-T FN 6. Channels Package (mm x mm) MAX16807 8 28-TSSOP-EP (6.4 x 9.7) MAX16809 16 38-TQFN (5 x 7) Part 12 m x 9.7 mm 5 4 mm m TSSOP 28- m x 7m Programmable HB LED driver optimizes efficiency and eliminates LED binning Ideal for white or RGB LED LCD backlighting 4 independent LED current sinks VIN Boost or SEPIC for maximum flexibility IN PWM input for each channel DL CS DIM1 DIM2 DIM3 DIM4 FB DR4 DR1 MAX16826 I2C interface for optimizing boost voltage SDA SCL Integrated ADC for open-LED and shorted-LED detection GND I2C-programmable LED current DL1 CS1 DL4 CS4 Flexibility •Wide 4.75V to 24V input range •Large number of LEDs per string •Programmable LED current eliminates LED bins for brightness variation Efficiency •Adjusts LED string voltage to maximize efficiency •Very low, < 20µA standby current Robustness •Withstands 40V load dump •External MOSFETs for better thermal management EV k avail it able Precise color and dimming control •Drive all white/mono, RGB, or RGB + amber configurations •Individual PWM inputs •> 1000:1 PWM dimming range •Individual LED current adjustment through I2C interface Applications •Automotive displays •Industrial displays •Desktop displays •LCD TVs 13 Low-pin-count HB LED drivers cover wide input-voltage range PWM dimming and high-accuracy current regulation Multiple LEDs up to 100W INPUT MAX16802 Wide PWM dimming range ENABLE UVLO/EN PWM DIM/FB COMP CS LEDs IN VCC NDRV GND 1% LED current accuracy 50% smaller than the competition MAX ® 8 -µ RETURN x 5m m 3 mm Simple and flexible for a wide range of applications 02 MAX168 IT EV K ABLE AVAILindustrial •Offline lighting •Street lighting µMAX is a registered trademark of Maxim Integrated Products, Inc. 14 Part Intended Usage MAX15000 Offline applications MAX16801 Offline applications MAX16802 DC applications Supply Voltage Package SIMPL E10-µMAX AN XIBLE D FOR A WIDE 85VAC to 265VAC rectified 8-µMAX RANGE L OF E D CURRE8-µMAX Up to 40VDC NTS 85VAC to 265VAC rectified FLE Flexible HB LED driver supports multiple applications Configurable for boost, buck-boost, SEPIC, and high-side buck topologies Boost LED driver VIN 4.75V TO 28V LED+ Patent-p for LED-b ending solution a compati sed MR16 lamp ble with s electr transform ers and onic dimmers triac NDRV IN LEDs 3000:1 PWM dimming, analog dimming MAX16834 ON OFF PWMDIM ANALOG DIM CS REFI DIMOUT PGND SENSE+ TQF 20- N m x 5m Pate for dim nt-pending so ma luti input la ble 110VAC to on mps, w 220V electroly ith no need AC fo tic capa citors r Integrated PWM dimming MOSFET driver m 5 m Integrated high-side current sense LED- Features •Wide input operating voltage range (4.75V to 28V) •100kHz to 1MHz programmable highfrequency operation •External clock synchronization input •Programmable UVLO •Internal 7V low-dropout regulator •Fault output (active-low FLT) for overvoltage, overcurrent, and thermal warning faults •Programmable true differential overvoltage protection •Operates from -40°C to +125°C Applications •LED-based MR16 lamps •Architectural and decorative lighting •Automotive rear and front lighting •DC-DC boost/buck-boost converters •Projection system RGB LED light sources •Single-string LED LCD backlighting •Spot and ambient lighting 15 Boost/buck-boost controller enables more reliable, fault-tolerant LED drivers with lower EMI noise Ideal for all automotive HB LED applications SHORT-CIRCUIT PROTECTED Buck-boost up to 6 LEDs SHORT-CIRCUIT PROTECTED 5V TO 65V INPUT DIM INPUT MAX16833 FAULT OUTPUT Boost 6 LEDs or more Reliable, fault-tolerant solution •High-side current sense and high-side pMOS drivers allow protection against any short between input, output, and ground •Wide input-voltage capability up to 65V •Overvoltage and thermal protection •Fault output •-40°C to +125°C temperature range Improved EMI •Internal frequency dithering improves EMI and reduces EMI filtering needs 16 Very flexible •Boost, buck-boost, buck, and SEPIC configurations •Wide PWM-dimming range •Allows single-wire connection to the LEDs •±2% accurate voltage reference output (MAX16833B) 16-pin TSSOP package Up to 2MHz switching; works with miniature inductor High-voltage current sense High-voltage, high-efficiency HB LED drivers save space and cost RSENSE VIN 4.5V TO 28V 6-TDFN CS- VIN 4.5V TO 28V PWM RSENSE MAX16819 MAX16820 DIM mm x 3m Up to 2MHz switching; works with miniature inductor DRV GND 6-TDFN CSPWM VCC MAX16819 MAX16820 DIM mm x 3m DRV GND Hyste re no co tic control m , pen simpl e to im sation, pleme nt s EV kit e bl a avail VIN 6V to 65V operating range 10mA 5V REG 3 VIN 5000:1 dimming range m 3 High-voltage current sense 5000:1 dimming range 10mA 5V REG VCC m VIN RSENSE L CIN TEMP_I CS Hyste re no co tic control , pen a LED-current simpl m tion, e to im sfoldback, thermal pleme nt analog dimming ON IN 350mA (MAX16822)/ 700mA (MAX16832) driver Features •Up to ±5% LED current accuracy •Supply up to 35W •Thermal shutdown •Operates from -40°C to +125°C MAX16822 MAX16832 DIM GND LX PGND LX OFF PWM dimming up to 20kHz Applications •Architectural and industrial lighting •MR16 bulbs •Automotive exterior and interior lighting •Indicators and emergency lights 17 High-power LED driver has rapid LED current pulsing Over 92% efficiency Average current-mode driver with up to 30A LED current VIN VIN CSN IN CSP DH LED LX MAX16821 GND DL 20A/µs LED-current transients with Maxim's patentpending topology -TQFN 28 RT/ SYNC kit EV able il ava 5 m m x 5m m Wide 4.5V to 5.5V and 7V to 28V input-voltage range without external biasing circuitry LED current has fast rise and fall times due to Maxim’s patent-pending topology M 1.00µs M 1.00µs 0 TO 10A: tRISE < 500ns 10A TO 0: tFALL < 500ns Features •Suitable for synchronous buck, boost, buck-boost, SEPIC, and common-anode topologies •125kHz to 1.5MHz switching frequency •Wide -40°C to +125°C temperature range •Overvoltage protection, thermal shutdown 18 Applications •Front projectors and rear-projection TV •Pocket and portable projectors •Automotive exterior lighting •Decorative, architectural, and industrial lighting High-voltage, high-side MOSFET driver for buck and buck-boost HB LED drivers Ideal for automotive applications VIN BST VDD CBST HDRV MAX15054 HI Q1 LX L1 D2 CFB C5 GATE NDRV DRAIN VCC IN D3 MAX16838 DIM Flexible, low-cost MOSFET driver •Works with single-string (MAX16834, MAX16833) and multistring (MAX16814, MAX16838) LED drivers with no integrated high-side MOSFET driver •High-side MOSFET driver allows buck-boost and buck configurations OUT1 OUT2 FLT Improves conversion efficiency •2A source/sink current capability •6ns output rise and fall times with 1000pF output capacitance •Low propagation delay (12ns) Available in a small, 6-pin SOT23 package Ideal for automotive applications •Up to 60V operating input voltage •-40°C to +125°C operating temperature range 19 Linear HB LED drivers Applications Part Automotive Lighting General Lighting MAX16800 MAX16803 MAX16804/05/06 MAX16815 MAX16823 MAX16824 MAX16825 MAX16828 MAX16835 MAX16836 MAX16839 ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ Display Backlighting ✓ ✓ VIN (V) ILED (A, max) PWM-Dimming Ratio Package 6.5 to 40 6.5 to 40 5.5 to 40 6.5 to 40 5.5 to 40 6.5 to 28 6.5 to 28 6.5 to 40 6.5 to 40 6.5 to 40 5 to 40 0.35 0.35 0.35 0.1 0.1/ch 0.15/ch 0.15/ch 0.2 0.35 0.35 0.1 1:30 1:200 1:200 1:100 1:200 1:5000 1:5000 1:100 1:80 1:80 1:200 16-TQFN 16-TQFN 20-TQFN 6-TDFN 16-TQFN/TSSOP 16-TSSOP 16-TSSOP 6-TDFN 16-TQFN 16-TQFN 6-TDFN/8-SO Switch-mode HB LED drivers Applications Part Automotive Lighting Topology General Display Projection Lighting Backlighting MAX16801 ✓ MAX16802 ✓ MAX16807 MAX16809 MAX16814 ✓ ✓ MAX16819 MAX16820 ✓ ✓ ✓ ✓ MAX16821 ✓ ✓ MAX16822 ✓ ✓ MAX16826 ✓ ✓ MAX16832 ✓ ✓ MAX16833 ✓ ✓ MAX16834 ✓ ✓ MAX16838 ✓ ✓ 10.8, 24 10.0 262k 1:3000 8-µMAX 10.8, 24 10.0 262k 1:3000 8-µMAX ✓ ✓ 8, 26.5 8, 26.5 0.05/ch 0.05/ch 20k to 1M 20k to 1M 1:5000 1:5000 ✓ Boost, SEPIC + 4 linear 4.75 to 40 0.15/ch 200k to 2M 1:5000 3.0 3.0 1:5000 1:5000 1:5000 28-TQFN 0.35 20k to 2M 20k to 2M 125k to 1.5M 20k to 2M 28-TSSOP-EP 38-TQFN 20-TQFN/ TSSOP 6-TDFN 6-TDFN 1:1000 8-SO 3.0 100k to 1M 1:2000 32-TQFN-EP 0.7 20k to 2M 1:1000 8-SO-EP Up to 2 100k to 1M 1:3000 16-TSSOP Up to 2 100k to 1M 1:3000 20-TQFN-EP 0.15/ch 200k to 2M 1:5000 20-TQFN/ TSSOP Buck 4.5, 28 Buck 4.5, 28 Boost, buck, buck-boost, 4.75 to 5.5, SEPIC 7 to 28 Buck 6.5, 65 4.75 Boost, SEPIC + 4 linear to 24 Buck 6.5, 65 Boost, buck, buck-boost, 5 to 65 SEPIC Boost, buck, buck-boost, 4.5, 28 SEPIC ✓ ✓ Package Boost, flyback, SEPIC Boost, buck, flyback, SEPIC Boost, SEPIC + 8 linear Boost, SEPIC + 16 linear ✓ ✓ PWMILED Frequency Dimming (A, max) (Hz) Ratio VIN (V) ✓ Boost, SEPIC + 2 linear ✓ 4.75 to 40 30.0 High-voltage MOSFET driver Applications Part MAX15054 Automotive Lighting General Lighting Display Backlighting Topology VIN (V) Propagation Delay (ns) Source/Sink Current (A, max) ✓ ✓ ✓ Buck, buck-boost Up to 60 12 2 For free samples and technical information, go to: www.maxim-ic.com/samples TM Maxim Integrated Products, Inc. • 120 San Gabriel Drive Sunnyvale, CA 94086 • 1-408-737-7600 Innovation Delivered is a trademark and Maxim is a registered trademark of Maxim Integrated Products, Inc. © 2010 Maxim Integrated Products, Inc. All rights reserved. Rev. 9