ROHM Product Detail

BD18397AEUV-M (開發中)
車電用2ch SPI介面LED定電流驅動器

BD18397AEUV-M是一款2ch同步降壓DC/DC LED驅動器,其on-time拓撲支援近乎固定的開關頻率及快速開關佔空比調節,並採用平均LED電流回饋降壓拓撲,可在寬廣的輸入和LED輸出範圍內實現更精準的LED電流調節系統。

Product Detail

 
料號 | BD18397AEUV-ME2
狀態 | 開發中
封裝 | HTSSOP-C48
包裝形式 | Taping
單位數量 | 2000
最小包裝數量 | 2000
RoHS | Yes

功能安全:

A product that has been developed based on an ISO 26262 design process compliant to the ASIL level described in the datasheet.

規格:

Topology

Buck

Vin(Min.)[V]

5

Vin(Max.)[V]

65

Total Output Current (Max.)[mA]

2700

Per Channel Drive(Max.)[mA]

1600

Number of Outputs

2

Vout(Max.)[V]

60

Switching Frequency (Max.)[MHz]

2.25

Data Transfer Rate(Max.)[MHz]

1

Integrated Switching FET

Yes

Dimming

DC / PWM

PWM Dimming Steps

1024

DC Dimming Steps

1024

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Package Size [mm]

12.5x8.1 (t=1.0)

Common Standard

AEC-Q100 (Automotive Grade)

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功能:

  • AEC-Q100 合格 (Grade1)
  • ISO 26262製程兼容,支援ASIL-B
  • 採用On-time拓撲,實現近固定頻率開關
  • 平均LED電流調整
  • 電流檢測針腳不需保護二極體
  • 逐週期過流保護
  • 過熱關斷 (TSD)
  • 溫度感測器讀取
  • 串行周邊介面 (SPI)
  • LIMP-HOME模式
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