WMSIC Electronic Components

ROHM BD8388FV-ME2 BD8388FV

ModelBD8388FV-ME2
PackageSSOP-16-4.4mm
BrandROHM
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ROHM BD8388FV-ME2
Type
ROHM
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ROHM
Electronic Component
BD8388FV-ME2
Electronic Component
1
Package
SSOP-16-4.4mm
Electronic Component
LEDDriver
Electronic Component
PWM
Electronic Component
0.1g
Electronic Component
1
Channel Count
8
Electronic Component
BM0229954776
Operating Temperature
40℃~+125℃
Output Voltage
40V
Output Current
50mA
Operating Voltage(DC)
3V~5.5V
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

BD8388FV-ME2 产品概述

一、概述

BD8388FV-ME2 是 ROHM(罗姆)推出的一款 8 通道线性 LED 驱动器 IC,集成移位寄存器与 PWM 调光功能,适用于 3.0V 至 5.5V 的直流供电环境。器件为 SSOP-16(4.4mm)封装,工作温度范围宽(-40℃ ~ +125℃),每通道最大输出电流 50mA,开关管为内置结构,便于系统集成与小尺寸 PCB 布局。

二、主要规格要点

  • 工作电压(DC):3.0V ~ 5.5V
  • 工作温度:-40℃ ~ +125℃
  • 通道数:8 通道线性输出
  • 输出电流:单通道最高 50mA(线性恒流)
  • 调光方式:PWM 调光(支持移位寄存器配合全局/分段控制)
  • 开关管:内置(简化外部元件)
  • 封装:SSOP-16(4.4mm)

三、功能与设计特点

  • 内置移位寄存器便于通过串行数据输入(Data/Clock/Latch)对多颗芯片进行级联扩展,实现大量通道的集中控制与简化布线。
  • 线性恒流驱动提供低噪声、平滑的亮度控制与快速响应,PWM 调光兼容常见占空比控制方式,适合需要平顺亮度变化的场合。
  • 内置开关管与恒流电路减轻外围元件负担,适合集成度高、体积受限的产品设计。

四、应用场景

适用于按键背光、指示灯阵列、仪表盘与面板背光、信号/装饰照明以及工业与车载等需在 -40℃ 至 +125℃ 环境下可靠工作的场合(注:具体车规认证需参考数据手册与供应商说明)。

五、实用设计建议

  • 热设计:线性驱动会将 (VCC - LED_Vf) × IOUT 转化为热量,多通道同时工作时需评估功耗与器件结温,采用铜箔散热、合理布线与必要的散热措施。
  • 电源退耦:建议在 VCC 近端放置 0.1µF 至 1µF 的陶瓷退耦电容,减小瞬态干扰。
  • PWM 与控制:移位寄存器常见的串行控制线应布线短且抗干扰,若需要多级亮度控制可结合外部 MCU 与分频 PWM。
  • 当系统对效率要求高或总输出功率较大时,建议评估开关型 LED 驱动替代方案以降低系统发热与功耗。

六、封装与焊接注意

SSOP-16(4.4mm)封装适合标准表面贴装工艺,焊接时遵循 ROHM 建议的回流曲线及焊盘设计,可通过增加铜面积改善散热,但注意避免超出 PCB 工艺可接受范围。

总结:BD8388FV-ME2 以其 8 通道线性恒流、移位寄存器扩展能力及 PWM 调光功能,为中小功率、多通道 LED 控制提供了集成度高、易于布线的解决方案。设计时重点关注热管理与电源退耦,即可在苛刻温度环境下稳定运行。若需更详细的管脚定义、电气特性曲线及应用电路,请参考 ROHM 官方数据手册。

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