ROHM Product Detail

新設計不推薦

BD81A44EFV-M

4ch升降壓型白光LED驅動器
Data Sheet
BD81A44EFV-M

新設計不推薦 BD81A44EFV-M
4ch升降壓型白光LED驅動器

為了既有客戶所需而生產的產品。對於新設計則不予販售。

Data Sheet
Data Sheet

Product Detail

 
料號 | BD81A44EFV-ME2
封裝 | HTSSOP-B28
包裝形式 | Taping
單位數量 | 2500
最小包裝數量 | 2500
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.
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規格:

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=1.0)

Common Standard

AEC-Q100 (Automotive Grade)

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)
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