BD81A24EFV-M
4ch升降壓型 白色LED驅動器

BD81A24EFV-M是35V高耐壓的白色LED驅動器。1chip中內建4ch恒電流輸出,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)。

Product Detail

 
料號 | BD81A24EFV-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

功能安全:

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

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

Yes

Dimming

PWM

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

功能:

  • Integrated Buck-Boost Current Mode DC/DC Controller
  • Integrated 4ch Current Driver for LED Drive
  • 10,000:1 PWM Dimming @100Hz
  • External Switching Frequency Synchronization
  • Built-In Protection Function (UVLO, OVP, OCP, SCP)
  • LED Abnormality Detection Function (Open/Short)
  • Integrated VOUT Discharge Function (Buck-Boost or Buck Structure Limitation)
  • AEC-Q100 Qualified (Grade 1)

Design Resources

 

Documents

White Paper

  • Cutting-Edge Web Simulation Tool “ROHM Solution Simulator” Capable of Complete Circuit Verification of Power Devices and Driver ICs
  • ROHM Automotive Lighting Solutions

Technical Articles

Schematic Design & Verification

  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • Thermal Resistance

Tools

2D/3D/CAD

  • HTSSOP-B28 Footprint / Symbol
  • HTSSOP-B28 3D STEP Data

Packaging & Quality

Package Information

  • Package Information
  • Anti-Whisker formation

Manufacturing Data

  • Factory Information

Environmental Data

  • UL94 Flame Classifications of Mold Compound
  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

  • The Export Control Order
  • Export Administration Regulations(EAR)