4ch 内置电流驱动器 升降压型 车载用白色LED驱动器_BD81A74MUV-M

BD81A74MUV-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)。

型号 | BD81A74MUV-ME2
Status | 推荐品
封装 | VQFN28SV5050
包装数量 | 2500
最小独立包装数量 | 2500
包装形态 | Taping
RoHS | Yes
Functional Safety | FS supportive

特性:

Common Standard

AEC-Q100 (Automotive Grade)

Topology

Buck-Boost

Number of Outputs

4

Vin(Min.)[V]

4.5

Vin(Max.)[V]

35.0

Output Current(Max.)[mA]

480.0

Vout(Max.)[V]

40.0

Frequency(Max.)[MHz]

2.2

Integrated FET

No

Dimming

PWM

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

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)