WMSIC Electronic Components

BELLING BL6208

ModelBL6208
PackageSOP-8
BrandBELLING
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BELLING BL6208
Type
BELLING
Minimum package
4000 卷

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BELLING
Electronic Component
BL6208
Electronic Component
1
Package
SOP-8
Electronic Component
Brushed DC Motor Driver IC
Electronic Component
0.16g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0264565767
Resistor
1.3Ω
Current
1.5A
Operating Temperature
40℃~+150℃
Operating Voltage
2.1V~6.8V
Output Current
1A
Static Current(Iq)
100nA

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

BL6208 产品概述

BL6208 是贝岭(BELLING)推出的一款小型直流电机驱动芯片,采用 SOP-8 封装,面向便携式和低功耗场景的单通道电机驱动需求。器件在宽电源电压范围内工作并集成主动制动功能,适合需要精确制动与省电控制的小型负载场合。

一、主要参数一览

  • 输出电流(连续):1 A
  • 峰值电流(短时):1.5 A
  • 工作电压范围:2.1 V ~ 6.8 V
  • 导通电阻(Rds(on) 等效):1.3 Ω
  • 静态电流(Iq):100 nA(典型,非常适合电池供电)
  • 工作温度:-40 ℃ ~ +150 ℃
  • 封装:SOP-8
  • 关键功能:主动制动功能

二、核心功能与优势

  • 宽电压工作区间(2.1 V~6.8 V)兼容多种电池与电源方案(如单节锂电、两节镍氢并联供电等)。
  • 极低静态电流(100 nA)在待机或低占空比工作时显著降低耗电,延长电池寿命。
  • 主动制动功能可在停止或反向切换时快速耗散电机动能,实现更短的制动距离与更精确的位置控制,适用于要求制动响应的场合。
  • SOP-8 封装易于 PCB 组装与量产,成本与体积兼顾。

三、典型应用场景

  • 小型玩具与模型车:需要短时大扭矩启动与精准制动。
  • 智能家居驱动(微型风扇、窗帘微驱动等):低功耗与可靠制动兼顾。
  • 手机/摄像头对焦马达、镜头模组:对尺寸、待机功耗与制动响应有高要求。
  • 小型泵、阀门与机械手臂的微型定位场合。
  • 可穿戴设备与便携仪器中需要低静态功耗的电机控制。

四、设计与使用建议

  • 电源与旁路:在 Vcc 近端放置低 ESR 电容(例如 1 μF ~ 10 μF)以及 0.1 μF 陶瓷旁路电容,抑制瞬态电流与开关噪声。
  • PWM 控制:通过主控 MCU 的 PWM 输出控制输入端,可实现调速与制动切换;在高占空比或高频 PWM 时注意导通损耗增加。
  • 保护元件:建议在电源端并联 TVS 与串联熔断或限流元件用于过压、反向电压与短路保护;对于感性负载,尽管芯片可能具备一定的吸收能力,仍推荐增加合理的吸收/箝位措施以提高系统鲁棒性。
  • 热管理:根据 Rds(on)=1.3 Ω,在满载 1 A 时管端损耗约 1.3 W(忽略其他损耗),SOP-8 封装对热耗散有限,实际应用中应考虑电流平均值、占空比、环境温度及 PCB 铜皮散热(加大散热铜箔面积或引入热过孔)以防止过热与热漂移。

五、可靠性与注意事项

  • 在长时间高负载或高环境温度条件下,应对电流做适当限流或热关断保护,以避免器件超过工作极限。
  • 封装与焊接工艺须符合标准 SMT 工艺,焊盘预留热传导区域有助于降低结温。
  • 建议在产品调试阶段测量实际电流与器件结温,验证在最恶劣工况下仍有足够的安全裕度。

六、典型外围电路建议

  • 电源侧:VCC -> TVS -> 滤波电容(10 μF) -> 0.1 μF 陶瓷至地。
  • 驱动侧:MCU PWM 输出 -> 输入限流/滤波(如 RC) -> BL6208 控制脚。
  • 负载侧:电机两端增加小功率抑制电阻或 RC 抑制以减少 EMI 干扰;必要时增加外部箝位元件。
    (具体连接请参考芯片详细规格书与典型应用电路)

七、总结

BL6208 在小电流直流电机驱动领域提供了低静态功耗、主动制动与宽电压适应性的组合,适合对体积、功耗与制动响应有较高要求的便携或嵌入式应用。在设计中需重视热管理与外部保护电路,以确保长期可靠运行。欲获得更详细的电气特性、引脚定义与典型波形,建议结合贝岭官方资料与数据手册进行最终设计验证。

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