WMSIC Electronic Components

GATEMODE BM85163ESA

ModelBM85163ESA
PackageSOP-8
BrandGATEMODE
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
GATEMODE BM85163ESA
Type
GATEMODE
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GATEMODE
Electronic Component
BM85163ESA
Electronic Component
1
Package
SOP-8
Electronic Component
Real-Time Clock (RTC)
Electronic Component
0.195g
Electronic Component
1
Features
Battery;; Programmable Clock Output
Electronic Component
BM0264379739
Operating Temperature
40℃~+85℃
Operating Voltage
1V~5.5V
Operating Current
800uA
Interface Type
I2C
Crystal Oscillator Type
Built-in
Output
Electronic Component

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

BM85163ESA实时时钟芯片产品概述

BM85163ESA是捷茂微(GATEMODE)推出的一款低功耗工业级实时时钟(RTC)芯片,采用SOP-8封装,专为需要精准计时、低功耗待机及定时触发功能的应用场景设计。其核心优势在于宽电压兼容、极低静态电流及内置晶振,可简化系统设计并延长电池续航,适用于消费电子、工业控制、智能家居等多领域。

一、产品基本信息

  • 品牌:GATEMODE(捷茂微)
  • 型号:BM85163ESA
  • 封装形式:SOP-8(贴片式,引脚间距1.27mm)
  • 核心定位:低功耗实时时钟芯片,支持I2C通信与闹钟输出,兼顾可靠性与设计灵活性

二、核心性能参数

BM85163ESA的参数设计聚焦功耗、兼容性与环境适应性,关键指标如下:

  1. 通信接口:采用I2C串行接口,支持标准/快速I2C模式,可与主流单片机、MCU快速对接,无需复杂通信协议配置;
  2. 电压范围:工作电压覆盖1V~5.5V,兼容1.8V低电压单片机、3.3V/5V电源系统,无需额外电平转换;
  3. 功耗表现:动态工作电流典型值800uA,静态电流仅0.25uA(待机模式)——这是其核心竞争力,可大幅延长电池供电设备的待机时长;
  4. 计时稳定性:内置32.768kHz晶振(无需外接),保障计时精度,同时减少BOM成本与PCB布局空间;
  5. 环境适应性:工作温度范围-40℃~+85℃,符合工业级标准,可在户外、车间等恶劣环境稳定运行;
  6. 功能输出:集成闹钟输出引脚,支持定时触发(如唤醒MCU、触发报警等);
  7. 功率限制:最大耗散功率300mW,满足常规应用的功率需求,无需额外散热设计。

三、主要功能亮点

1. 极致低功耗,延长电池寿命

静态电流仅0.25uA,意味着一块CR2032纽扣电池可驱动BM85163ESA待机数年,特别适合电池供电的便携设备(如智能手环、电子钟)或长期待机的工业节点,无需频繁更换电池。

2. 内置晶振,简化设计

无需外接32.768kHz晶振及匹配电容,不仅降低了BOM成本(减少2~3个元器件),还节省了PCB布局空间,尤其适合小型化、高密度的产品设计(如智能手表、微型传感器)。

3. 宽电压兼容,适配多平台

1V~5.5V的宽电压范围,可直接对接1.8V单片机、3.3V MCU及5V电源系统,无需额外的电平转换电路,提升系统兼容性与设计效率。

4. 工业级温度,稳定可靠

-40℃~+85℃的工作温度范围,覆盖了大部分工业场景(如PLC模块、户外传感器)及极端环境应用,避免了普通消费级RTC在低温下计时不准的问题。

5. 闹钟输出,灵活触发

集成闹钟输出功能,可通过I2C设置定时时间,输出信号可触发外部设备(如唤醒休眠的MCU、启动数据采集、触发报警等),满足多样化的定时任务需求。

四、典型应用场景

BM85163ESA的参数与功能使其适用于以下场景:

  1. 电池供电便携设备:智能手环、电子日历、便携医疗设备(如血糖监测仪)——低功耗延长续航;
  2. 工业控制节点:PLC模块、远程传感器(如温湿度、压力传感器)——工业级温度+低功耗,适合长期部署;
  3. 消费电子:智能音箱、机顶盒、智能门锁——定时唤醒、时间同步;
  4. 智能家居:智能窗帘、环境监测仪——定时采集数据、定时控制;
  5. 汽车电子(辅助):车载小模块(如胎压监测辅助计时)——宽电压+宽温适配车载环境。

五、封装与使用注意事项

  • 封装:SOP-8贴片封装,引脚间距1.27mm,支持自动化贴装,焊接温度需符合JEDEC标准(建议回流焊温度≤260℃);
  • 电源注意:避免电源电压超过5.5V,否则可能损坏芯片;若使用电池供电,需选择合适容量(如CR2032可满足数年待机);
  • 通信注意:I2C接口需配置10kΩ左右上拉电阻,避免通信干扰;
  • 计时精度:内置晶振的精度受温度影响(工业级下波动≤±5ppm),可满足常规计时需求,若需更高精度可参考 datasheet 校准方法。

综上,BM85163ESA凭借低功耗、宽电压、内置晶振、工业级温度等核心优势,成为多领域实时时钟设计的高性价比选择,尤其适合对功耗敏感、需要简化设计的应用场景。

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