BD81A74EFV-M

4ch 内置电流驱动器 升降压型 车载用白色LED驱动器
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BD81A74EFV-M

BD81A74EFV-M
4ch 内置电流驱动器 升降压型 车载用白色LED驱动器

BD81A74EFV-M是35V高耐压的白色LED驱动器。1chip中内置4ch恒流输出，高达120mA/ch，适合高亮度LED驱动。内置对应升降压电流模式的DC/DC控制器，对于电源电压变动，可实现稳定的动作。可通过PWM输入进行调光控制（10,000:1）。

Data Sheet 购买
Data Sheet 购买

主要规格

 
型号 | BD81A74EFV-ME2
Status | 推荐品
封装 | HTSSOP-B28
包装形态 | Taping
包装数量 | 2500
最小独立包装数量 | 2500
RoHS | Yes

功能安全:

类别 : FS supportive
A product that has been developed for automotive use and is capable of supporting safety analysis with regard to the functional safety.
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特性：

Topology

Buck-Boost

Vin(Min.)[V]

4.5

Vin(Max.)[V]

35

Total Output Current (Max.)[mA]

480

Per Channel Drive(Max.)[mA]

120

Number of Outputs

4

Vout(Max.)[V]

40

Switching Frequency (Max.)[MHz]

2.2

Dimming

PWM

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Package Size [mm]

9.7x6.4 (t=1)

Common Standard

AEC-Q100 (Automotive Grade)

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特点：

  • AEC-Q100 Qualified(Grade 1)
  • 4ch Current Driver for LED Drive
  • Buck-Boost Current Mode DC/DC Controller
  • Control DC/DC Converter Oscillation Frequency by External Synchronized Signal
  • Spread Spectrum Function
  • LSI Protection Function (UVLO, OVP, TSD, OCP, SCP)
  • LED Abnormality Detection Function (Open/Short)
  • VOUT Discharge Function (Buck-Boost Structure Limitation)

Reference Design / Application Evaluation Kit

 
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