BD9397EFV
大型LCD面板用白光LED驅動器

BD9397EFV是大型LCD面板用高效率白光LED驅動器。此IC的6個通道內建了大電流驅動、高速脈衝響應型恆流LED驅動器,1個通道內建了升壓型DCDC。BD9397EFV針對異常狀態配備了過電壓保護(​​OVP) 、LED OPEN・SHORT保護、DCDC的過電流保護(OCP)等各種保護功能。因此，BD9397EFV可在大範圍輸出電壓下進行自動防故障設計。

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Product Detail

 
料號 | BD9397EFV-GE2
狀態 | 推薦品
封裝 | HTSSOP-B40
單位數量 | 2000
最小包裝數量 | 2000
包裝形式 | Taping
RoHS | Yes

規格:

Topology

Boost

Number of Outputs

6

Vin(Min.)[V]

9.0

Vin(Max.)[V]

35.0

Output Current(Max.)[mA]

400.0

Frequency(Max.)[MHz]

1.25

Integrated FET

No

Dimming

PWM

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

功能:

· 6ch Constant LED drivers,
  available 400mA drive per 1ch.
· Constant current accuracy ±1.8% (IC only)
· Each 6ch external PWM inputs can control independent dimming .
· Current analog (linear) dimming by VREF
· 1ch boost controller with current mode
 (external FET)
· Several protection functions
 DCDC part: OCP/OVP/UVLO/TSD
 LED driver part: OPEN,SHORT detection
· SHORT detection voltage is set by LSP terminal.
· Error detection output FAIL terminal inside
  (normal=Open, error=Drain)
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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

Simulations (Login Required)

  • Method for Exporting Circuit Data (ROHM Solution Simulator)

2D/3D/CAD

  • HTSSOP-B40 Footprint / Symbol

Packaging & Quality

Package Information

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  • 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)