Automotive-grade 12-channel LED driver with open detection, local dimming, busdriven and standalone operations

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  • The ALED1262ZT is a monolithic 12 output LED driver designed for automotive exterior and interior lighting applications. The ALED1262ZT guarantees 19 V output driving capability allowing users to connect several LEDs in series. In the output stage, twelve regulated current sources provide from 6 mA to 60 mA constant current to drive LEDs. The current is programmed by a single external resistor. In the ALED1262ZT, LED open error detection is available.

    The brightness can be adjusted separately for each channel through a 7-bit grayscale control. A slow turn-on and turn-off time improves the system low noise generation performance. Moreover the gradual output delay reduces the inrush current. To further increase EMI performance, this device implements an internal clock dithering to have a spread spectrum noise reduction.
    Thermal management is equipped with overtemperature data alert and the output thermal shutdown (170 °C). The I²C high clock frequency, up to 400 kHz, makes the device suitable for high data rate transmissions. The supply voltage range is between 5.5 V and 38 V avoiding any external pre-regulation or additional load dump protection on the power supply stage.
    This device can operate in bus-driven mode (BDM) using I²C interface or in standalone mode (SAM) using internal custom configuration by OTP.

    Key Features

    • Designed for automotive applications
    • 12 constant current output channels
    • 19 V current generator rated voltage
    • Output current: from 6 mA to 60 mA
    • Current programmable by a single external resistor
    • 7-bit PWM local brightness control
    • Slow turn-on/off time, gradual output delay and dithered clock for EMI reduction
    • Error detection for open LEDs
    • Supply voltage: from 5.5 V to 38 V
    • Thermal shutdown and overtemperature alert
    • Standalone and bus-driven mode
    • Custom configuration by OTP with Redundancy and ECC
    • 400 kHz fast I²C interface with selectable extended Hamming encoding
    • Wired-OR error flag connection

样片和购买

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min
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ALED1262ZTTR
批量生产
10000 1 HTSSOP24 Tape And Reel -40 150 EAR99
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Country of Origin:

-

查看供货情况

Distributor availability ofALED1262ZTTR

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 989 1 Order Now
AVNET AMERICA 1000 0 Order Now
Farnell Element14 EUROPE 100 1 Order Now
RUTRONIK EUROPE 50 2500 Order Now

代理商库存报告日期: 2019-11-13

代理商名称

DIGIKEY

库存

989

Min.Order

1

地区

WORLDWIDE Order Now

AVNET

库存

1000

Min.Order

0

地区

AMERICA Order Now

Farnell Element14

库存

100

Min.Order

1

地区

EUROPE Order Now

RUTRONIK

库存

50

Min.Order

2500

地区

EUROPE Order Now

代理商库存报告日期: 2019-11-13

ALED1262ZTTR

供货状态

批量生产

数量

10000

单价(US$)

1.0*

Distributor availability ofALED1262ZTTR

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 989 1 Order Now
AVNET AMERICA 1000 0 Order Now
Farnell Element14 EUROPE 100 1 Order Now
RUTRONIK EUROPE 50 2500 Order Now

代理商库存报告日期: 2019-11-13

代理商名称

DIGIKEY

库存

989

Min.Order

1

地区

WORLDWIDE Order Now

AVNET

库存

1000

Min.Order

0

地区

AMERICA Order Now

Farnell Element14

库存

100

Min.Order

1

地区

EUROPE Order Now

RUTRONIK

库存

50

Min.Order

2500

地区

EUROPE Order Now

代理商库存报告日期: 2019-11-13

单价(US$)

1

封装

HTSSOP24

包装类型

Tape And Reel

Operating Temperature (°C)

(min)

-40

(max)

150

ECCN (US)

EAR99

Country of Origin

-

(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商

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    • 产品型号

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技术文档

    • 描述 版本 文档大小 操作
      DS12631
      Automotive-grade 12-channel LED driver with open detection, local dimming, bus driven and standalone operations
      4.0
      3.29 MB
      PDF
      DS12631

      Automotive-grade 12-channel LED driver with open detection, local dimming, bus driven and standalone operations

出版刊物和宣传资料

    • 描述 版本 文档大小 操作
      Automotive-grade 12-Channel LED Driver for advanced rear lighting solutions 1.0
      1.33 MB
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      Automotive-grade 12-Channel LED Driver for advanced rear lighting solutions

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产品型号 供货状态 封装 等级规格 符合RoHS级别 Material Declaration**
ALED1262ZTTR
批量生产
HTSSOP24 汽车 Ecopack2

ALED1262ZTTR

Package:

HTSSOP24

Material Declaration**:

Marketing Status

批量生产

Package

HTSSOP24

Grade

Automotive

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.