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                >LP55231>規(guī)格書列表
                
          
            
          
                
          
                    
          型號下載 訂購功能描述制造商 上傳企業(yè)LOGO
          
                    
          LP55231SQXSLASHNOPBG4.B
          絲?。?strong>LP55231；Package：WQFN(RTW)；LP55231 Nine-Channel RGB, White-LED Driver With Internal Program Memory and Integrated Charge Pump - WQFN
          
1 Features
1? Three Independent Program Execution Engines, 9
Programmable Outputs With 25.5-mA Full-Scale
Current, 8-Bit Current Setting Resolution and
12-Bit PWM Control Resolution
? Adaptive High-Efficiency 1×/1.5× Fractional
Charge Pump - Efficiency up to 94%
? LED Drive Efficiency U
          文件：1.19897 Mbytes 頁數(shù)：59 Pages
          TI
          德州儀器
          

          LP55231
          具有內(nèi)部程序存儲器和集成電荷泵的 9 通道 RGB/白光 LED 驅(qū)動器 - WQFN
          LP55231 是一款 9 通道 LED 驅(qū)動器，專用于為移動設(shè)備制造燈光效果。 采用高效的電荷泵，支持在鋰離子電池電壓范圍內(nèi)驅(qū)動 LED。 該器件配有內(nèi)部程序存儲器，可在不使用處理器控制的情況下運行。LP55231 有一個 I2C 兼容控制接口并配有四個引腳可選地址。 INT 引腳可用于在照明序列結(jié)束時（中斷功能）通知處理器。 另外，該器件具有一個觸發(fā)輸入接口，可實現(xiàn)多個 LP55231 器件之間的同步。 根據(jù) LED 正向電壓要求自主選擇最佳電荷泵增益，可在寬運行電壓范圍內(nèi)保持出色的效率。 當 LED 輸出未激活時，該器件能夠自動進入節(jié)能模式，從而將空閑流耗降至 10μA（典型值）。 僅需  ? 三個獨立的程序執(zhí)行引擎，9 個滿量程電流為 25.5mA 的可編程輸出，8 位電流設(shè)置分辨率和 12 位 PWM 控制分辨率\n? 自適應(yīng)高效 1x/1.5x 分數(shù)型電荷泵 - 效率高達 94%\n? LED 驅(qū)動效率高達 93%\n? 電荷泵具有軟啟動和過流/短路保護\n? 內(nèi)置 LED 測試 \n? 待機電流典型值 200nA\n? 自動節(jié)能模式；IVDD = 10μA（典型值）\n? 兩線制 I2C 兼容控制接口\n? 靈活的指令集\n? 大容量 SRAM 程序存儲器\n? 小型應(yīng)用電路\n? 源極（高側(cè)）驅(qū)動器\n? 架構(gòu)支持顏色控制;
          TI
          德州儀器
          

          LP55231_V01
          LP55231 Nine-Channel RGB, White-LED Driver With Internal Program Memory and Integrated Charge Pump - WQFN
          
1 Features
1? Three Independent Program Execution Engines, 9
Programmable Outputs With 25.5-mA Full-Scale
Current, 8-Bit Current Setting Resolution and
12-Bit PWM Control Resolution
? Adaptive High-Efficiency 1×/1.5× Fractional
Charge Pump - Efficiency up to 94%
? LED Drive Efficiency U
          文件：1.19897 Mbytes 頁數(shù)：59 Pages
          TI
          德州儀器
          

          LP55231SQE/NOPB
          LP55231 Nine-Channel RGB, White-LED Driver With Internal Program Memory and Integrated Charge Pump - WQFN
          
1 Features
1? Three Independent Program Execution Engines, 9
Programmable Outputs With 25.5-mA Full-Scale
Current, 8-Bit Current Setting Resolution and
12-Bit PWM Control Resolution
? Adaptive High-Efficiency 1×/1.5× Fractional
Charge Pump - Efficiency up to 94%
? LED Drive Efficiency U
          文件：1.19856 Mbytes 頁數(shù)：59 Pages
          TI
          德州儀器
          

          LP55231SQE/NOPB
          LP55231 Nine-Channel RGB, White-LED Driver With Internal Program Memory and Integrated Charge Pump - WQFN
          
1 Features
1? Three Independent Program Execution Engines, 9
Programmable Outputs With 25.5-mA Full-Scale
Current, 8-Bit Current Setting Resolution and
12-Bit PWM Control Resolution
? Adaptive High-Efficiency 1×/1.5× Fractional
Charge Pump - Efficiency up to 94%
? LED Drive Efficiency U
          文件：1.19897 Mbytes 頁數(shù)：59 Pages
          TI
          德州儀器
          

          LP55231SQE/NOPB.A
          LP55231 Nine-Channel RGB, White-LED Driver With Internal Program Memory and Integrated Charge Pump - WQFN
          
1 Features
1? Three Independent Program Execution Engines, 9
Programmable Outputs With 25.5-mA Full-Scale
Current, 8-Bit Current Setting Resolution and
12-Bit PWM Control Resolution
? Adaptive High-Efficiency 1×/1.5× Fractional
Charge Pump - Efficiency up to 94%
? LED Drive Efficiency U
          文件：1.19897 Mbytes 頁數(shù)：59 Pages
          TI
          德州儀器
          

          LP55231SQE/NOPB.A
          LP55231 Nine-Channel RGB, White-LED Driver With Internal Program Memory and Integrated Charge Pump - WQFN
          
1 Features
1? Three Independent Program Execution Engines, 9
Programmable Outputs With 25.5-mA Full-Scale
Current, 8-Bit Current Setting Resolution and
12-Bit PWM Control Resolution
? Adaptive High-Efficiency 1×/1.5× Fractional
Charge Pump - Efficiency up to 94%
? LED Drive Efficiency U
          文件：1.19856 Mbytes 頁數(shù)：59 Pages
          TI
          德州儀器
          

          LP55231SQE/NOPB.B
          LP55231 Nine-Channel RGB, White-LED Driver With Internal Program Memory and Integrated Charge Pump - WQFN
          
1 Features
1? Three Independent Program Execution Engines, 9
Programmable Outputs With 25.5-mA Full-Scale
Current, 8-Bit Current Setting Resolution and
12-Bit PWM Control Resolution
? Adaptive High-Efficiency 1×/1.5× Fractional
Charge Pump - Efficiency up to 94%
? LED Drive Efficiency U
          文件：1.19856 Mbytes 頁數(shù)：59 Pages
          TI
          德州儀器
          

          LP55231SQE/NOPB.B
          LP55231 Nine-Channel RGB, White-LED Driver With Internal Program Memory and Integrated Charge Pump - WQFN
          
1 Features
1? Three Independent Program Execution Engines, 9
Programmable Outputs With 25.5-mA Full-Scale
Current, 8-Bit Current Setting Resolution and
12-Bit PWM Control Resolution
? Adaptive High-Efficiency 1×/1.5× Fractional
Charge Pump - Efficiency up to 94%
? LED Drive Efficiency U
          文件：1.19897 Mbytes 頁數(shù)：59 Pages
          TI
          德州儀器
          

          LP55231SQX/NOPB
          LP55231 Nine-Channel RGB, White-LED Driver With Internal Program Memory and Integrated Charge Pump - WQFN
          
1 Features
1? Three Independent Program Execution Engines, 9
Programmable Outputs With 25.5-mA Full-Scale
Current, 8-Bit Current Setting Resolution and
12-Bit PWM Control Resolution
? Adaptive High-Efficiency 1×/1.5× Fractional
Charge Pump - Efficiency up to 94%
? LED Drive Efficiency U
          文件：1.19856 Mbytes 頁數(shù)：59 Pages
          TI
          德州儀器
          

          
            
          
		
        
          
            
          
                
          技術(shù)參數(shù)
          
            
          
            
            
            	
          • LED current per channel (mA)：
            25.5
          • LED configuration：
            Parallel
          • Program memory：
            Yes
          • Programmable ramp control：
            Yes
          • Vin (Min) (V)：
            2.7
          • Vin (Max) (V)：
            5.5
          • Iout (Max) (A)：
            0.0255
          • Features：
            Analog/PWM Mixed Dimming
          • Iq (Typ) (mA)：
            0.8
          • Shutdown current (Typ) (uA)：
            0.2
          • Operating temperature range (C)：
            -30 to 85
          • Rating：
            Catalog
          
            
          
        
          
            
          供應(yīng)商型號品牌批號封裝庫存備注價格
          
                
          



          TI德州儀器
          		

          22+
          		

          		

          24000
          		

          原裝正品現(xiàn)貨,實單可談,量大價優(yōu)
          		
詢價
          

          



          TI/德州
          		

          2018+
          		

          WQFN
          		

          32500
          		

          德州代理承諾銷售原裝正品公司可開正規(guī)17%增值稅票
          		
詢價
          

          



          TI/德州儀器
          		

          23+
          		

          WQFN
          		

          89630
          		

          當天發(fā)貨全新原裝現(xiàn)貨
          		
詢價
          

          



          TI
          		

          2016+
          		

          WQFN-24
          		

          3084
          		

          公司只做原裝,假一罰十,可開17%增值稅發(fā)票!
          		
詢價
          

          



          TI
          		

          23+
          		

          QFN
          		

          8650
          		

          受權(quán)代理!全新原裝現(xiàn)貨特價熱賣!
          		
詢價
          

          



          TexasInstruments
          		

          25+
          		

          24-WQFN(4x4)
          		

          90000
          		

          原廠正規(guī)渠道、保證進口原裝現(xiàn)貨假一罰十價格合理
          		
詢價
          

          



          TI
          		

          三年內(nèi)
          		

          		

          1983
          		

          只做原裝正品
          		
詢價
          

          



          TI
          		

          19+
          		

          WQFN24
          		

          21300
          		

          原裝正品,現(xiàn)貨特價
          		
詢價
          

          



          TI
          		

          17+
          		

          		

          10000
          		

          原裝正品
          		
詢價
          

          



          TI
          		

          24+
          		

          24-WQFN(4x4)
          		

          66800
          		

          原廠授權(quán)一級代理,專注汽車、醫(yī)療、工業(yè)、新能源！
          		
詢價
          

            
          
        
          
        
          更多LP55231供應(yīng)商
            更新時間2026-1-21 15:01:00
        
          
        
          
          
          
            
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