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TL4242-Q1

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汽车类可调节 LED 驱动器

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TPS92620-Q1 正在供货 具有热共享功能的汽车类双通道高电流 40V 高侧 LED 驱动器 2 total channels instead of 1 with thermal sharing capabilities.

TL4242-Q1

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产品详情

Number of channels 1 Topology Current Source Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 4.5 Vin (max) (V) 42 Vout (min) (V) 0 Vout (max) (V) 40 Iout (max) (A) 0.5 Iq (typ) (mA) 12 Features LED Open Detection, Thermal shutdown
Number of channels 1 Topology Current Source Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 4.5 Vin (max) (V) 42 Vout (min) (V) 0 Vout (max) (V) 40 Iout (max) (A) 0.5 Iq (typ) (mA) 12 Features LED Open Detection, Thermal shutdown
TO-263 (KTT) 7 149.8 mm² 10 x 14.98 WSON (DRJ) 8 16 mm² 4 x 4
  • Qualified for Automotive Applications
  • AEC-Q100 Test Guidance With the Following Results:
    • Device Temperature Grade 2: –40°C to 105°C Ambient Operating Temperature Range for WSON package
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range for TO-263 package
    • Device HBM ESD Classification Level H1C
    • Device CDM ESD Classification Level C3B
  • Adjustable Constant Current up to 500 mA (±5%)
  • Wide Input-Voltage Range up to 42 V
  • Low Dropout Voltage
  • Open-Load Detection
  • Overtemperature Protection
  • Short-Circuit Proof
  • Reverse-Polarity Proof
  • Qualified for Automotive Applications
  • AEC-Q100 Test Guidance With the Following Results:
    • Device Temperature Grade 2: –40°C to 105°C Ambient Operating Temperature Range for WSON package
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range for TO-263 package
    • Device HBM ESD Classification Level H1C
    • Device CDM ESD Classification Level C3B
  • Adjustable Constant Current up to 500 mA (±5%)
  • Wide Input-Voltage Range up to 42 V
  • Low Dropout Voltage
  • Open-Load Detection
  • Overtemperature Protection
  • Short-Circuit Proof
  • Reverse-Polarity Proof

The TL4242-Q1 device is an integrated adjustable constant-current source, driving loads up to 500 mA. One can adjust the output current level through an external resistor. The device design is for supplying high-power LEDs (for example, OSRAM Dragon LA W57B) under the severe conditions of automotive applications, resulting in constant brightness and extended LED lifetime. The device comes in the DRJ (WSON) and KTT (TO-263) package. Protection circuits prevent damage to the device in case of overload, short-circuit, reverse polarity, and overheat. The device provides the connected LEDs protection against reverse polarity as well as excess voltages up to 45 V.

The integrated PWM input of the TL4242-Q1 device permits LED brightness regulation by pulse-width modulation (PWM). The high-input impedance of the PWM input allows operating the LED driver as a protected high-side switch.

The TL4242-Q1 device is an integrated adjustable constant-current source, driving loads up to 500 mA. One can adjust the output current level through an external resistor. The device design is for supplying high-power LEDs (for example, OSRAM Dragon LA W57B) under the severe conditions of automotive applications, resulting in constant brightness and extended LED lifetime. The device comes in the DRJ (WSON) and KTT (TO-263) package. Protection circuits prevent damage to the device in case of overload, short-circuit, reverse polarity, and overheat. The device provides the connected LEDs protection against reverse polarity as well as excess voltages up to 45 V.

The integrated PWM input of the TL4242-Q1 device permits LED brightness regulation by pulse-width modulation (PWM). The high-input impedance of the PWM input allows operating the LED driver as a protected high-side switch.
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类型 标题 下载最新的英语版本 日期
* 数据表 TL4242-Q1 Adjustable LED Driver 数据表 (Rev. G) 2017年 4月 17日
白皮书 LED Drivers for Automotive Exterior Applications (Rev. B) 2018年 3月 27日
应用手册 How to Calculate TPS92630-Q1 Maximum Output Current for Automotive Exterior Ligh 2015年 12月 22日

设计和开发

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仿真模型

TL4242-Q1 TINA-TI Reference Design

SLVM754.TSC (35 KB) - TINA-TI Reference Design
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仿真模型

TL4242-Q1 TINA-TI Spice Model

SLVM753.ZIP (12 KB) - TINA-TI Spice Model
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参考设计

PMP20305 — 11W 汽车 LED 照明驱动器参考设计

PMP20305 是采用 LM5022-Q1 升压控制器 IC 和两种恒流方法驱动 4 个 LED 灯串的 LED 驱动器电路参考设计。其中两个 LED 灯串利用 TL431 电压基准作为驱动器来充当恒定电流源，而另外两个灯串使用 TL4242 线性 LED 驱动器 IC，该驱动器 IC 还具有 PWM 控制的亮度调节方案。该电路的输入电压范围为 6V 至 16V（峰值为 24V）。LM5022-Q1 升压转换器的输出设置为 26.9Vout，能够向负载提供总共 0.4A 的电流。
测试报告: PDF
原理图: PDF
封装 引脚 下载
TO-263 (KTT) 7 查看选项
WSON (DRJ) 8 查看选项
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订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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