4ch 內建電流驅動器 升降壓型 車電用白色LED驅動器 - BD81A74EFV-M

BD81A74EFV-M是35V高耐壓的白色LED驅動器。1chip中內建4ch恒流輸出,高達120mA/ch,最適合高亮度LED驅動。內建對應升降壓電流模式的DC/DC控制器,對於電源電壓變動,可實現穩定的動作。可透過PWM輸入進行調光控制(10,000:1)。

料號 | BD81A74EFV-ME2
狀態 | 推薦品
封裝 | HTSSOP-B28
單位數量 | 2500
最小包裝數量 | 2500
包裝形式 | Taping
RoHS | Yes
Functional Safety | FS supportive

規格:

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

功能:

  • 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)