ROHM Product Detail

BD868D0MUF-C
车载摄像头用PMIC

PMIC BD868XXMUF-C系列产品内置有一次侧DC-DC、两个二次侧DC-DC、CMOS传感器用的二次侧线性稳压器和图像传感电源。该系列IC采用小型封装VQFN20FV3535,非常适用于需要小型电路板的摄像头模块。另外,该系列产品还具有展频功能,可提供更低噪声的稳压输出。

主要规格

 
型号 | BD868D0MUF-CE2
Status | 推荐品
封装 | VQFN20FV3535
包装形态 | Taping
包装数量 | 2500
最小独立包装数量 | 2500
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.

特性:

ch

4

Vin1(Min.)[V]

4

Vin1(Max.)[V]

18

Output Voltage1 (Min.)[V]

3.3

Output Voltage1 (Max.)[V]

3.3

Output Current Capacity 1 [A]

2

Output Voltage2 (Min.)[V]

1.2

Output Voltage2 (Max.)[V]

1.2

Output Current Capacity 2 [A]

1.2

SW frequency(Max.)[MHz]

2.25

Circuit Current(Typ.)[mA]

5

Serial I/F

I2C

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Package Size [mm]

3.5x3.5 (t=1.0)

Common Standard

AEC-Q100 (Automotive Grade)

Find Similar

特点:

  • AEC-Q100 Qualified(Grade 1)
  • ISO 26262 Process Compliant to Support ASIL-B
  • Primary Buck DCDC Converter(VO1)
    DCDC with Built-in FET
    High Efficiency with Synchronous Rectification
  • Dual Secondary Buck DCDC Converter(VO2, VO3)
    DCDC with Built-in FET
    High Efficiency with Synchronous Rectification
  • Secondary LDO(VO4)
  • Spread Spectrum Frequency Modulation
  • Each Protection Function
  • BIST at Startup
  • 2-wire Interface communication(I2C protocol)
  • GPO terminal for heater driver(BD868B0 base only)

产品概要

 

背景

近年来,随着ADAS技术的发展,每辆汽车所安装的车载摄像头数量也在增加。同时,由于车载摄像头的故障可能会导致严重的事故,因此引入有助于预防事故的“功能安全”理念变得越来越重要。不仅汽车和汽车电子产品制造商,就连半导体等高精度电子元器件制造商也需要满足国际功能安全标准“ISO 26262”的要求。
ROHM早在2018年就通过德国第三方认证机构T?V Rheinland获得了ISO 26262的开发流程认证。此外于2021年,ROHM还推出了“ComfySIL?”品牌,旨在通过“功能安全”的产品为用户和系统的安全、安心与舒适做出贡献。BD868xxMUF-C在“ComfySIL?”品牌中,也是符合ISO 26262流程的,而且属于满足其最高等级“FS process compliant”的产品,有助于提高下一代汽车的安全性。

概要

BD868xxMUF-C能够满足严格的功能安全要求,使配备ADAS的下一代汽车所需的安全设计更加容易。此外,在仅为3.5mm×3.5mm的封装中,还内置有车载摄像头所需的4个电源系统(DC/DC:3个系统,LDO:1个系统),并配备了异常状态通知机构,可以检测到电压异常等状况并通过I2C来反馈。在同类PMIC中,实现了业界超小尺寸。与以往产品相比,可减少3个元器件,安装面积可缩减25%,有助于车载摄像头的小型化。此外,还可以进行更宽范围的输出电压设置和时序控制设置,可满足各制造商不同CMOS图像传感器的不同要求,有助于减少开发工时。

BD868xxMUF-C的概要和面积比较

应用示例

  • 后视摄像头、周边监控摄像头、行车记录仪、驾驶员监控系统等
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