MILPITAS, Calif., Aug. 03, 2026 (GLOBE NEWSWIRE) — Lumissil Mic osystems today a ou ced the IS32FL3761, a 33×12 ( =2~12) dot-mat ix LED d ive desig ed fo automotive ISD applicatio s, whe e hu d eds of small-cu e t LEDs must be d ive , dimmed, a d diag osed with pixel-level p ecisio . These systems use de se a ays of low-cu e t LEDs to e de symbols, text, welcome a imatio s, cha ge-status i dicato s, d ive -assista ce cues, a d b a d sig atu es o i te io a d exte io vehicle su faces. The IS32FL3761 suppo ts compact, i dividually add essable LED desig s used i ISD pa els, mi i LED backlights, RGB dy amic ambie t lighti g, ce te -stack a d cluste displays.
The IS32FL3761 i teg ates 33 co sta t-cu e t si ks a d 12 i teg ated sca switches to suppo t a co figu able 33× mat ix ( = 2~12) of up to 396 i dividually add essable LEDs, o a 132-pixel RGB a ay, f om o e QFN-60 device. Each output cha el suppo ts up to 30mA p og ammable cu e t a d i cludes 8-bit global cu e t co t ol (GCC) plus 8-bit pe -cha el scali g (SL), allowi g fi e b ight ess bala ci g a d colo co ectio fo e ha ced display u ifo mity. That u ifo mity is backed by a cu e t accu acy of ±5% cha el-to-cha el at 30mA, e su i g co siste t b ight ess matchi g ac oss the e ti e mat ix.
To suppo t smooth, high-quality a imatio s a d accu ate colo e ditio , the device featu es selectable 12-bit, 8+4-bit, 8-bit, a d 6+2-bit PWM dimmi g with f eque cies up to 312kHz, e abli g 4096-step gamma-co ected fades a d b eathi g effects. This elimi ates the visible steppi g a d audible a tifacts typical of lowe PWM f eque cies, a pe siste t pai poi t i came a-adjace t automotive lighti g modules. The same high- esolutio dimmi g, combi ed with 8-bit pe -cha el SL cu e t scali g, allows p ecise ed, g ee , a d blue i te sity atios to be mai tai ed at eve y b ight ess level, p ese vi g white-poi t accu acy a d colo fidelity. To educe audible oise o MLCC decoupli g capacito s a d tame co ducted EMI, the device combi es 180-deg ee g oup phase shifti g with p og ammable sp ead spect um. Powe efficie cy is equally c itical, the IS32FL3761 d aws just 1.2mA typical quiesce t cu e t while emai i g fully active a d eady to a imate, a d o ly 0.6µA i shutdow , e abli g welcome seque ces a d i tellige t status i dicatio without taxi g the vehicle batte y.
La ge LED mat ices a e subject to pa asitic glow of off-state LEDs. To add ess this, the IS32FL3761 i teg ates a co figu able discha ge ci cuit k ow as de-ghosti g. While dedicated ope a d sho t-detect bits fo eve y LED i the mat ix allow the host to pi poi t a d epo t the exact locatio of a failed LED. A SYNC pi allows clock sy ch o izatio ac oss multiple d ive s, keepi g sca timi g co siste t i multi-chip displays.
“ISDs a e edefi i g how a vehicle commu icates with the wo ld a ou d it,” said Aa o Rey oso, Di ecto of A alog Ma keti g. “The IS32FL3761 packs 396 dots of i dividually dimmable, fully diag osable d ive i to a si gle 7mm×7mm package. That de sity lets ou automotive custome s build bigge , smoothe , sma te sig ali g su faces with fewe compo e ts, smalle boa ds, a d faste time-to-ma ket.”
The IS32FL3761 ope ates f om 2.7V to 5.5V a d is AEC-Q100 qualified with Tempe atu e G ade 1 (-40°C to +125°C). The device is available i mass p oductio qua tities i a QFN-60 (7mm×7mm) package. The o de i g pa t umbe is IS32FL3761-QFLCA3-TR, supplied 2,500 u its pe eel. Fo ICs, evaluatio boa d samples, efe e ce desig s, o ge e al i qui ies, please co tact you Lumissil sales ep ese tative o autho ized dist ibuto .
Lumissil Mic osystems specializes i a alog/mixed-sig al p oducts fo automotive, commu icatio s, i dust ial, a d co sume ma kets. Lumissil’s p ima y p oducts a e LED d ive s fo low to mid-powe RGB colo mixi g a d high-powe lighti g applicatio s. Othe p oducts i clude audio, se so s, high-speed wi e commu icatio s, optical etwo ki g, a d applicatio -specific mic oco t olle s. Lumissil Mic osystems has wo ldwide offices i the US, Taiwa , Japa , Si gapo e, mai la d Chi a, Eu ope, Ho g Ko g, I dia, Is ael, a d Ko ea. Website: https://www.lumissil.com
Af ith A ifaaf ith@lumissil.com
Ly Zast owlzast ow@lumissil.com
A photo accompa yi g this a ou ceme t is available at https://www.globe ewswi e.com/NewsRoom/Attachme tNg/12b06560-312f-4b78-becc-353ee7303a8e
