LED驅(qū)動(dòng)芯片SM15155E是一款采用五路SID協(xié)議調(diào)光方案的驅(qū)動(dòng)芯片。它具有65536級(jí)調(diào)光灰度,能夠?qū)崿F(xiàn)非常精細(xì)的調(diào)光效果。此外,該芯片的輸出電流開啟脈寬最小為160nS,能夠快速響應(yīng)調(diào)光指令,達(dá)到精準(zhǔn)調(diào)光的效果。
LED驅(qū)動(dòng)芯片SM15155E采用OUT PWM輸出,色還原度好,PWM頻率為4KHz,能夠?qū)崿F(xiàn)良好的色彩效果。同時(shí),該芯片內(nèi)置過溫保護(hù)功能,能夠有效保護(hù)LED燈珠不受過熱損壞的影響。
此外,SM15155E內(nèi)置數(shù)據(jù)整形功能,數(shù)據(jù)級(jí)聯(lián)(DIN→DOUT)不衰減,保證了數(shù)據(jù)傳輸?shù)姆€(wěn)定可靠性。而且,它還內(nèi)置了自動(dòng)節(jié)能模式,待機(jī)功耗低于2mW,能夠有效降低能耗,提高節(jié)能效果。
在電流控制方面,LED驅(qū)動(dòng)芯片SM15155E內(nèi)置電流增益功能,能夠調(diào)節(jié)OUT RGBWY電流在10~300mA范圍內(nèi),滿足不同LED燈珠的亮度調(diào)控需求。
總的來說,LED驅(qū)動(dòng)芯片SM15155E具有豐富的功能特點(diǎn),能夠?qū)崿F(xiàn)精細(xì)調(diào)光、優(yōu)質(zhì)色彩效果,并且具有良好的安全性和節(jié)能性能,適用于各種LED照明產(chǎn)品的驅(qū)動(dòng)控制。
審核編輯 黃宇
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