WMSIC Electronic Components

HGSEMI HT1621BDM/TR HT1621BDM

ModelHT1621BDM/TR
PackageSSOP-24
BrandHGSEMI
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HGSEMI HT1621BDM / TR
Type
HGSEMI
Minimum package
2500 圆盘

Technical parameters

Electronic Component
1/3,1/2
Electronic Component
Electronic Component
Electronic Component
HGSEMI
Electronic Component
HT1621BDM/TR
Electronic Component
1
Package
SSOP-24
Electronic Component
LCDDriver
Electronic Component
0.31g
Frequency
256kHz
Electronic Component
1/4,1/3,1/2
Electronic Component
1
Features
Built-in Oscillator
Electronic Component
BM0230265849
Operating Temperature
25℃~+75℃
Operating Voltage
2.4V~5.2V
Operating Current
150uA

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

HT1621BDM/TR 产品概述

HT1621BDM/TR 是 HGSEMI(华冠)推出的一款低功耗多路 LCD 驱动器,适用于小型显示应用如手持仪表、家电面板、电子秤等。器件支持 32×4 bit 的显示配置,提供灵活的占空比与偏压选择,并通过简单的 3 线串行接口与主控器通信。器件封装为 SSOP-24,工作稳定可靠,适合批量生产和常温环境下长期使用。

一、核心规格一览

  • 工作电压:2.4 V ~ 5.2 V
  • 接口类型:3 线串行接口(CS / SCLK / SDATA 等常见信号)
  • 显示配置:32 × 4 bit
  • 支持占空比:1/4、1/3、1/2(多路复用驱动)
  • 支持偏压(Bias):1/3、1/2
  • 系统频率/振荡:256 kHz(器件内部时钟或建议工作时钟)
  • 工作电流:约 150 μA(典型)
  • 静态/待机电流:约 0.1 μA(极低漏电)
  • 工作温度:-25 ℃ ~ +75 ℃
  • 封装:SSOP-24
  • 品牌/型号:HGSEMI(华冠) / HT1621BDM/TR

二、功能与特性

  • 低功耗设计:待机静态电流仅约 0.1 μA,适合电池供电的便携设备。工作电流低至约 150 μA,可在低功耗模式下延长电池寿命。
  • 灵活的驱动配置:支持 1/4、1/3、1/2 三种占空比与 1/3、1/2 两种偏压组合,便于与不同类型 LCD 面板(段/公共极配置)匹配。
  • 简单串行接口:3 线串行接口减少引脚占用,便于与 MCU 或其他主控芯片连接与通信。
  • 适配 32×4 bit 显示:可直接驱动合理规模的段式 LCD,适合数字/符号组合显示。
  • 宽电源范围与工业级温度:2.4 V5.2 V 的电源范围适配常见电池与系统电源;工作温度覆盖 -25 ℃+75 ℃,满足绝大多数消费类电子与工业类应用环境。
  • 小型封装:SSOP-24 有利于 PCB 布局和批量制造。

三、典型应用场景

  • 手持测量仪器(万用表、温湿度计等)
  • 家用小家电面板(微波炉、洗衣机简易显示)
  • 电子秤、计数器、定时器等消费类电子
  • 电池供电的便携仪表与显示终端

四、接口与使用要点

  • 串行通信:器件采用 3 线串行接口,典型信号为片选(CS)、时钟(SCLK)与数据(SDATA/SDI)。在上电初始化后,通过串行命令配置显示模式(占空比/偏压)、写入显示 RAM 并启动显示。
  • 配置流程(典型):供电上电 → 初始化内部时钟/工作模式 → 设置占空比与偏压 → 将显示数据写入显示缓冲区 → 打开显示。具体指令序列以数据手册为准。
  • 时钟/频率:256 kHz 为器件标称工作/内部振荡参考频率,请在设计时保证 MCU 与通信时序与该频率匹配或进行相应延时处理。
  • 电源与去耦:建议在 VCC 近端放置合适的去耦电容(如 0.1 μF),保证瞬态电流时的稳定。对于电池供电系统,注意在掉电与唤醒过程中的稳态与复位管理。
  • 与 LCD 面板匹配:根据所用玻璃的段/公共极结构,选择合适的占空比与偏压组合,以保证对比度与降低图像残影。具体偏压/占空比设置应参照面板厂商建议并在样机上验证。

五、封装与订购信息

  • 封装形式:SSOP-24,适合表面贴装工艺。
  • 型号标识:HT1621BDM/TR(TR 常用于指示带卷装或特定包装方式)。
  • 选型提示:在批量采购前请确认所用 LCD 面板需要的偏压与占空比范围,以及主控器与器件之间的通信电压兼容性(I/O 逻辑电平需与 VCC 匹配或采取电平移位措施)。

六、工程注意事项

  • 在不同温度与供电条件下,LCD 对比度会有变化,应在产品设计中预留对比度调整空间或通过软件动态控制显示刷新策略。
  • 若系统对 EMI/抗干扰要求较高,应在 PCB 布局阶段注意时钟线与数据线的走线、接地的完整性以及关键信号的滤波。
  • 串行通信线在较长走线或多器件并联场合下需注意上拉/下拉电阻与终端匹配,避免误触发。

本概述基于 HT1621BDM/TR 的主要参数与典型使用要求,为快速理解器件特性与工程应用提供参考。具体命令集、引脚功能与时序请参考厂方详细数据手册以完成产品级设计与验证。

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