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LP5866集成電路(IC)的LED驅(qū)動(dòng)器規(guī)格書(shū)PDF中文資料

LP5866
廠商型號(hào)

LP5866

參數(shù)屬性

LP5866 封裝/外殼為40-VFQFN 裸露焊盤;包裝為卷帶(TR)剪切帶(CT)Digi-Reel? 得捷定制卷帶;類別為集成電路(IC)的LED驅(qū)動(dòng)器;LP5866應(yīng)用范圍:通用;產(chǎn)品描述:IC LED DRVR LIN PWM 50MA 40VQFN

功能描述

LP5860T 11 × 18 LED High-Current Matrix Driver with 8-Bit Analog and 8-Bit or 16-Bit PWM Dimming

文件大小

3.37646 Mbytes

頁(yè)面數(shù)量

56 頁(yè)

生產(chǎn)廠商 Texas Instruments
企業(yè)簡(jiǎn)稱

TI德州儀器

中文名稱

美國(guó)德州儀器公司官網(wǎng)

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更新時(shí)間

2024-12-25 18:23:00

LP5866規(guī)格書(shū)詳情

1 Features

? LED matrix topology:

– 18 constant current sinks with 11 scan switches

for 198 LED dots

– Configurable for 1 to 11 scan switches

? Operating voltage range:

– VCC/VLED range: 2.7 V to 5.5 V

– Logic pins compatible with 1.8 V, 3.3 V, and 5 V

? 18 constant current sinks with high precision:

– 100 mA per current sink when VCC ≥ 3.3 V

– Device-to-device error: ±5

– Channel-to-channel error: ±5

– Phase-shift for balanced transient power

? Ultra-low power consumption:

– Shutdown mode: ICC ≤ 1 uA when EN = Low

– Standby mode: ICC ≤ 10 uA when EN = High

and CHIP_EN = 0 (data retained)

– Active mode: ICC = 5 mA (typ.) when channel

current = 12.5 mA

? Flexible dimming options:

– Individual ON/OFF control for each LED dot

– Analog dimming (current gain control)

? Global 7-step Maximum Current (MC)

setting for all LED dots

? 3 groups of 7-bit Color Current (CC) setting

for red, green, and blue

? Individual 8-bit Dot Current (DC) setting for

each LED dot

– PWM dimming with audible-noise-free

frequency

? Global 8-bit PWM dimming for all LED dots

? 3 programmable groups of 8-bit PWM

dimming for LED dot arbitrary mapping

? Individual 8-bit or 16-bit PWM dimming for

each LED dot

? Full addressable SRAM to minimize data traffic

? Individual LED dot open/short detection

? De-ghosting and low brightness compensation

? Interface options:

– 1-MHz (max.) I2C interface when IFS = Low

– 12-MHz (max.) SPI interface when IFS = High

2 Applications

? LED animation and indication for:

– Major and smart home appliances

– Global RGB keyboard backlighting

– Outdoor keypad backlighting

– IR module for video surveillance and IP camera

– Laser diode in optical module

3 Description

The LP5860T is a high-current and high-performance

LED matrix driver. The device integrates 18 constant

current sinks with N (N = 6/8/11) switching MOSFETs

to support N × 18 LED dots or N × 6 RGB LEDs. The

LP5860T integrates 11 MOSFETs for up to 198 LED

dots or 66 RGB LEDs.

The LP5860T supports both analog dimming and

PWM dimming methods. For analog dimming, each

LED dot can be adjusted with 256 steps. For PWM

dimming, the integrated 8-bit or 16-bit configurable

PWM generators enable smooth and audible-noisefree

dimming control. Each LED dot can also be

arbitrarily mapped into 8-bit Group PWM to achieve

dimming control together.

The LP5860T device implements full addressable

SRAM to minimize the data traffic. The ghostcancellation

circuitry is integrated to eliminate both

upside and downside ghosting. The LP5860T also

supports LED open and short detection functions.

Both 1-MHz (maximum) I2C and 12-MHz (maximum)

SPI are available in LP5860T.

產(chǎn)品屬性

  • 產(chǎn)品編號(hào):

    LP5866RKPR

  • 制造商:

    Texas Instruments

  • 類別:

    集成電路(IC) > LED 驅(qū)動(dòng)器

  • 包裝:

    卷帶(TR)剪切帶(CT)Digi-Reel? 得捷定制卷帶

  • 類型:

    線性

  • 拓?fù)洌?/span>

    恒定電流

  • 內(nèi)部開(kāi)關(guān):

  • 輸出數(shù):

    18

  • 電壓 - 供電(最低):

    2.7V

  • 電壓 -?供電(最高):

    5.5V

  • 電流 - 輸出/通道:

    50mA

  • 頻率:

    31.2MHz

  • 調(diào)光:

    模擬,PWM

  • 應(yīng)用:

    通用

  • 工作溫度:

    -40°C ~ 85°C(TA)

  • 安裝類型:

    表面貼裝型

  • 封裝/外殼:

    40-VFQFN 裸露焊盤

  • 供應(yīng)商器件封裝:

    40-VQFN(5x5)

  • 描述:

    IC LED DRVR LIN PWM 50MA 40VQFN

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