Microchip Technology, Inc. Datasheets for LED Drivers

LED drivers control the amount of current and voltage supplied to light emitting diodes (LEDs), when in operation.
LED Drivers: Learn more

Product Name Notes
Automotive LED Driver IC w/ High Current Accuracy -- AT9917 The AT9917 is an advanced fixed frequency PWM IC designed to control single-switch, boost, SEPIC, and buck LED drivers in a constant current mode. The controller uses a peak current-mode...
Hysteretic, Buck, High Brightness LED Driver w/ High-Side Current Sensing -- AT9919 The AT9919 is a PWM controller IC designed to drive high brightness LEDs using a buck topology. It operates from an input voltage of 4.5 to 40VDC and employs hysteretic...
Automotive Boost-Buck LED Lamp Driver IC -- AT9932 The AT9932 is an advanced fixed frequency PWM controller IC designed to control an LED lamp driver using a boost-buck topology that can step the input voltage up or down...
Hysteretic Boost-Buck (CUK) LED Driver IC -- AT9933 The AT9933 is a variable frequency PWM controller IC, designed to control an LED lamp driver using a low-noise boost-buck (Ćuk) topology. The AT9933 uses patent-pending hysteretic current-mode control to...
Sequential Linear LED Driver -- CL8800 The CL8800 is designed to drive a long string of inexpensive, low current LEDs directly from the AC mains. A basic driver circuit consists of the CL8800, six resistors, and...
Sequential Linear LED Driver -- CL8801 The CL8801 is designed to drive a long string of inexpensive, low current LEDs directly from the AC mains. A basic driver circuit consists of the CL8801, four resistors, and...
Sequential Linear LED Driver with Four Taps -- CL88020 The CL88020 LED Driver Integrated Circuit (IC) is an off-line sequential linear LED driver designed to provide 8.5W of LED power from a 120 VAC nominal input voltage. CL88020...
Sequential Linear LED Driver -- CL88030
Sequential Linear LED Driver -- CL88031
The CL88030 and CL88031 LED Driver Integrated Circuits (ICs) are intended offline sequential linear LED drivers designed to provide LED power from a utility voltage input. The CL88030/31 devices are...
Switch-Dimmable LED Driver -- HV9801A The HV9801A LED driver is ideally suited for switch dimmable applications using LED bulbs and fixtures. Through switch dimming, the lamp can be adjusted to four discrete brightness levels by...
LED Driver IC w/ Average-Mode Constant Current Control -- HV9803 The HV9803 is an open loop average-mode current control LED driver IC operating in a constant off-time mode. The IC features ±2% current accuracy, tight line and load regulation of...
LED Driver IC w/ Average-Mode Constant Current Control -- HV9803B The HV9803B is an open loop average-mode current control LED driver IC operating in a constant off-time mode. The IC features ±2% current accuracy, tight line and load regulation of...
Off-Line LED Driver with True DC Output Current -- HV9805 The HV9805 driver IC is targeted at general LED lighting products, such as LED lamps and LED lighting fixtures with a maximum power rating of about 25W at 120VAC and...
Non-Dimmable Off-Line LED Driver with Low Total Harmonic Distortions -- HV98100
Non-Dimmable Off-Line LED Driver with Low Total Harmonic Distortions -- HV98101
The HV98100/HV98101 LED driver Integrated Circuit (IC) is an off-line, high-power factor, buck-boost controller targeted at general LED lighting products, such as LED lamps and LED lighting fixtures with a...
LED Driver w/ Average-Mode Constant Current Control -- HV9861A The HV9861A is a patented, average-mode, constant current control LED driver IC operating in a constant off-time mode. Unlike the HV9910B, this control IC does not produce a peak-to-average error,...
Universal High-Brightness LED Driver -- HV9910B The HV9910B is an open loop, current mode, control LED driver IC. The HV9910B can be programmed to operate in either a constant frequency or constant off-time mode. It includes...
Universal High-Brightness LED Driver -- HV9910C The HV9910C is an open loop, current mode, control LED driver IC. The HV9910C can be programmed to operate in either a constant frequency or constant off-time mode. It includes...
Switch-Mode LED Driver IC w/ High Current Accuracy -- HV9911 The HV9911 is a current mode control LED driver IC designed to control single switch PWM converters (buck, boost, buck-boost, or SEPIC), in a constant frequency or constant off-time mode.
Switch-Mode LED Driver IC w/ High Current Accuracy AND Hiccup Mode Protection -- HV9912 The HV9912 is a current mode control LED driver IC designed to control single switch PWM converters (buck, boost, buck-boost or SEPIC) in a constant frequency mode. The controller uses...
Hysteretic, Buck, High Brightness LED Driver w/ High-Side Current Sensing -- HV9918 The HV9918 is a PWM controller IC designed to drive high brightness LEDs using a buck topology. It operates from an input voltage of 4.5 to 40VDC and employs hysteretic...
Hysteretic, Buck, High Brightness LED Driver w/ High-Side Current Sensing -- HV9919B The HV9919B is a PWM controller IC designed to drive high brightness LEDs using a buck topology. It operates from an input voltage of 4.5 to 40VDC and employs hysteretic...
3-PIN Switch Mode LED Lamp Driver IC -- HV9921 The HV9921 is a pulse width modulated (PWM) high-efficiency LED driver control IC. It allows efficient operation of LED strings from voltage sources ranging up to 400VDC. The HV9921 includes...
3-PIN Switch Mode LED Lamp Driver IC -- HV9922 The HV9922 is a pulse width modulated (PWM) high-efficiency LED driver control IC. It allows efficient operation of LED strings from voltage sources ranging up to 400VDC. The HV9922 includes...
3-PIN Switch Mode LED Lamp Driver IC -- HV9923 The HV9923 is a pulse width modulated (PWM) high-efficiency LED driver control IC. It allows efficient operation of LED strings from voltage sources ranging up to 400VDC. The HV9923 includes...
Programmable-Current LED Lamp Driver w/PWM Dimming -- HV9925 The HV9925 is a pulse width modulated (PWM) high-efficiency LED driver control IC with PWM dimming capabilities. It allows efficient operation of high brightness LED strings from voltage sources ranging...
Hysteretic Boost-Buck (CUK) LED Driver IC -- HV9930 The HV9930 is a variable frequency PWM controller IC, designed to control an LED lamp driver using a low-noise boost-buck (Ćuk) topology. The HV9930 uses a patent-pending hysteretic current-mode control...
Unity Power Factor LED Lamp Driver -- HV9931 The HV9931 is a fixed frequency PWM controller IC designed to control an LED lamp driver using a single-stage PFC buckboost-buck topology. It can achieve a unity power factor and...
LED Driver w/ Average-Mode Constant Current Control -- HV9961 The HV9961 is an average current mode control LED driver IC operating in a constant off-time mode. Unlike HV9910B, this control IC does not produce a peak-to-average error, and therefore...
Closed Loop LED Driver w/ Enhanced PWM Dimming -- HV9963 The HV9963 is a current mode control LED driver IC designed to control single switch PWM converters (buck, boost, buck-boost or SEPIC) in a constant frequency mode. The controller uses...
Integrated LED Driver w/ Average-Mode Current Control -- HV9967B The HV9967B is an average-mode current control LED driver IC operating in a constant off-time mode. The IC features an integrated 60V, 0.8Ω MOSFET that can be used as a...
3-Channel LED ARRAY Driver IC -- HV9980 The HV9980 is a fully integrated 3-channel peak-current PWM controller for driving buck converters in constant output current mode. It is optimized for use with a large array of 20~80mA...
Not Recommended for New Designs -- HV9982 The HV9982 is a three-channel, closed loop, peak current mode PWM controller for driving a constant output current. It can be used for driving either RGB LEDs or multiple channels...
3-Channel Closed Loop Switch Mode LED Driver IC -- HV9985 The HV9985 is a three-channel peak current mode PWM controller for driving single switch converters in a constant output current mode. It can be used for driving either RGB LEDs...
Not Recommended for New Designs -- HV9989 The HV9989 is a three-channel peak current mode PWM controller for driving single switch converters in a constant output current mode. It can be used for driving either RGB LEDs...
Automotive LED Driver -- MAQ3203 The MAQ3203 is a hysteretic, step-down, constant-current, High-Brightness LED (HB LED) driver. It provides an ideal solution for interior/exterior lighting, architectural and ambient lighting, LED bulbs, and other general illumination...
Single-Cell Ultra Low EMI Boost LED Driver -- MIC2282 The MIC2282 is a boost LED driver optimized for single cell operation from alkaline, NiMH, or Li-Ion batteries. The MIC2282 operates with an input voltage between 0.9V to 15V, driving...
White LED Driver -- MIC2287 The MIC2287 is a 1.2MHz pulse width modulated (PWM), boost-switching regulator that is optimized for constant-current, white LED driver applications. With a maximum output voltage of 34V and a switch...
White LED Driver -- MIC2287C The MIC2287C is a 1.2MHz pulse width modulated (PWM), boost-switching regulator that is optimized for constant-current, white LED driver applications. With a maximum output voltage of 34V and a switch...
White LED Driver -- MIC2289 The MIC2289 is a PWM (pulse width modulated), boost-switching regulator that is optimized for constant-current white LED driver applications. The MIC2289 features an internal Schottky diode and three levels of...
White LED Driver Internal Schottky Diode and OVP -- MIC2289C The MIC2289C is a pulse-width modulated (PWM), boost-switching regulator that is optimized for constant-current white LED driver applications. The MIC2289C features an internal Schottky diode and three levels of output...
Boost Regulator Photo Flash LED Driver -- MIC2291 The MIC2291 is a 1.2MHz pulse-width modulation (PWM), boost-switching regulator that is optimized for high-current, white LED photo flash applications. With a guaranteed switch current of 1.2A, the MIC2291 easily...
1.6MHz White LED Driver -- MIC2292
2MHz White LED Driver -- MIC2293
The MIC2292 and MIC2293 are high frequency, pulse-width modulator (PWM) boost regulators optimized for constant-current, white LED driver applications. Because of their constant PWM switching frequencies of 1.6MHz and 2MHz,...
1.6MHz White LED Driver -- MIC2292C
2.0MHz White LED Driver -- MIC2293C
The MIC2292C and MIC2293C are high frequency, pulse-width modulator (PWM) boost regulators optimized for constant-current, white LED driver applications. Because of their constant PWM switching frequencies of 1.6MHz and 2MHz,...
40V PWM Boost Regulator White LED Driver -- MIC2297 The MIC2297 is a 600kHz PWM boost-switching regulator that is optimized for driving 6-10 series white LEDs. With its internal 40V switch and a guaranteed switch current of 1.2A, the...
High Brightness White LED Driver -- MIC2298 The MIC2298 is a high power boost-switching regulator that is optimized for constant-current control. The MIC2298 is capable of driving up to two series 1A white LED for photoflash, flashlight...
High Brightness White LED Driver -- MIC2299 The MIC2299 is a high power boost-switching regulator that is optimized for constant-current control. The MIC2299 is capable of driving up to two series 1A white LED for photoflash and...
High Efficiency 4-Channel Linear WLED Driver -- MIC2841A The MIC2841A is a high efficiency White LED (WLED) driver designed to drive up to four WLEDs, greatly extending battery life for portable display backlighting, keypad backlighting and camera flash...
High Efficiency 4-Channel Linear WLED Driver -- MIC2842A The MIC2842A is a high efficiency White LED (WLED) driver designed to drive up to four LEDs and greatly extend battery life for portable display backlighting, and keypad backlighting in...
High Efficiency 6-Channel Linear WLED with Ultra Fast PWM Control -- MIC2843 The MIC2843 is a high efficiency linear White LED (WLED) driver designed to drive up to six WLEDs, greatly extending battery life for portable display backlighting keypad backlighting, and camera...
High Efficiency 6-Channel Linear WLED Driver -- MIC2843A The MIC2843A is a high efficiency linear White LED (WLED) driver designed to drive up to six WLEDs, greatly extending battery life for portable display backlighting keypad backlighting, and camera...
High Efficiency 6-Channel Linear WLED Driver -- MIC2844A The MIC2844A is a high efficiency linear White LED (WLED) driver designed to drive up to six WLEDs, greatly extending battery life for portable display backlighting keypad backlighting, and camera...
High Efficiency 6-Channel Linear WLED Driver -- MIC2846A The MIC2846A is a high efficiency White LED (WLED) driver featuring two low quiescent current LDOs. It is designed to drive up to six LEDs and greatly extend battery life...
2 Channel Linear WLED Driver -- MIC2860-2D The MIC2860-2D is a high efficiency White LED (WLED) driver designed to drive two WLEDs and greatly extend battery life for portable display backlighting, and keypad backlighting in low cost...
2 Channel Linear WLED Driver -- MIC2860-2P The MIC2860-2P is a high-efficiency white LED (WLED) driver designed to drive two WLEDs and greatly extend battery life for portable display backlighting and keypad backlighting in low cost mobile...
1.5A Synchronous Boost Flash LED Driver -- MIC2870 The MIC2870 is a high-current, high-efficiency flash LED driver for one or two high-brightness camera flash LEDs. The LED driver current is generated by an integrated inductive boost converter with...
1.2A High-Brightness LED Flash Driver with Single-Wire Serial Interface -- MIC2871 The MIC2871 is a high-current, high-efficiency flash LED driver. The LED driver current is generated by an integrated inductive boost converter with a 2MHz switching frequency which allows the use...
1.2A High Brightness Flash LED Driver -- MIC2873 The MIC2873 is a high-current, high-efficiency flash LED driver. The LED driver current is generated by an integrated inductive boost converter with a 2MHz switching frequency which allows for the...
1.2A High Brightness Flash LED Driver -- MIC2874 The MIC2874 is a high-current, high-efficiency flash LED driver. The LED driver current is generated by an integrated inductive boost converter with a 4MHz switching frequency which allows for the...
HBLED Driver with High-Side Current Sense -- MIC3201 The MIC3201 is a hysteretic step-down, constant-current, High-Brightness LED (HB LED) driver capable of driving up to four 1A LEDs. It provides an ideal solution for interior/exterior lighting, architectural and...
37V/1A HBLED Driver with High-Side Current Sense -- MIC3202 The MIC3202 is a hysteretic, step-down, constant-current, High-Brightness LED (HB LED) driver. It provides an ideal solution for interior/exterior lighting, architectural and ambient lighting, LED bulbs, and other general illumination...
HBLED Driver Controller with High-Side Current Sense -- MIC3203 The MIC3203 is a hysteretic, step-down, constant-current, High-Brightness LED (HB LED) driver. It provides an ideal solution for interior/exterior lighting, architectural and ambient lighting, LED bulbs, and other general illumination...
HBLED Driver Controller w/ Fixed-Frequency Hysteretic Control -- MIC3205 The MIC3205 is a hysteretic, step-down, high-brightness LED (HB LED) driver with a patent pending frequency regulation scheme that maintains a constant operating frequency over input voltage range. It provides...
High Power Boost LED Driver with Integrated FET -- MIC3223 The MIC3223 is a constant current boost LED driver capable of driving a series string of high power LEDs. The MIC3223 can be used in general lighting, bulb replacement, garden...
400kHz Fixed Frequency Boost Driver Controller for High Power LEDs -- MIC3232
Boost Driver Controller for High Power LEDs -- MIC3230
Boost Driver Controller with Dither for High Power LEDs -- MIC3231
The MIC3230/1/2 are constant current boost switching controllers specifically designed to power one or more strings of high power LEDs. The MIC3230/1/2 have an input voltage range from 6V to...
Six Channel WLED Driver for Backlighting Applications -- MIC3263 The MIC3263 is a high-efficiency pulse-width modulation (PWM) boost switching regulator that is optimized for constant-current WLED driver backlighting applications. The MIC3263 drives six channels of up to ten WLEDs...
1.2MHz PWM White LED Driver -- MIC3287 The MIC3287 is a 1.2MHz pulse-width modulated (PWM) step-up switching regulator that is optimized for constant current white LED driving applications. With a maximum output voltage of 24V and a...
1.2MHz 0.5A Switch WLED Driver with Digital Brightness Control -- MIC3289 The MIC3289 is a PWM boost-switching regulator that is optimized for constant-current white LED driver applications. The MIC3289 features an internal Schottky diode, allowing an efficient DC/DC solution that requires...
600mA Single Channel WLED Driver w/ Ultrafast PWM Control -- MIC4801 The MIC4801 is a high efficiency White LED (WLED) driver designed to drive a single LED up to 600mA. The MIC4801 constant current driver is designed to drive high power...
800mA Single Channel WLED Driver w/ Ultrafast PWM Control -- MIC4802 The MIC4802 is a high efficiency White LED (WLED) driver designed to drive a single LED up to 800mA. The MIC4802 constant current driver is designed to drive high power...
High Current Six Channel WLED Driver w/ DAM and Ultrafast PWM Control -- MIC4811 The MIC4811 is a high efficiency linear White LED (WLED) driver designed to drive up to six high current WLEDs for signage lighting. The MIC4811 provides the highest possible efficiency...
High Current Six Channel WLED Driver w/ DAM and Ultrafast PWM Control -- MIC4812 The MIC4812 is a high efficiency linear White LED (WLED) driver designed to drive up to six high current WLEDs for signage lighting. The MIC4812 provides the highest possible efficiency...
Dual 8-Output 14-Bit LED Video Display Driver -- MIC5400 The MIC5400 consists of two banks of 8 LED driver outputs, each output capable of sinking up to 30mA. Each bank is intended to drive 8 LED pixels of the...
LED Display Driver -- MM5451 The MM5450 and MM5451 LED display drivers are monolithic MOS ICs fabricated in an N-Channel, metal-gate process. The technology produces low-threshold, enhancement-mode, and ion-implanted depletion-mode devices. A single pin controls...
LED Display Driver -- MM5450 The MM5450 and MM5451 LED display drivers are monolithic MOS ICs fabricated in an N-Channel, metal-gate process. The technology produces low-threshold, enhancement-mode, and ion-implanted depletion-mode devices. A single pin controls...