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HGSEMI HT1621DM/TR HT1621DM
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HGSEMI HT1621DM / TR
- Type
- SSOP-24-150MIL
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- 1/3,1/2
- Electronic Component
- Electronic Component
- Electronic Component
- HGSEMI
- Electronic Component
- HT1621DM/TR
- Electronic Component
- 1
- Package
- SSOP-24-150mil
- Electronic Component
- LCDDriver
- Electronic Component
- 0.309g
- Frequency
- 256kHz
- Electronic Component
- 1/4,1/3,1/2
- Electronic Component
- 1
- Features
- Built-in Oscillator
- Electronic Component
- BM0229934266
- Operating Temperature
- 25℃~+75℃
- Operating Voltage
- 2.4V~5.2V
- Operating Current
- 60uA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
HT1621DM/TR 产品概述
一、产品概述
HT1621DM/TR（HGSEMI 华冠）是一款专为点阵/段式液晶显示模块设计的低功耗 LCD 驱动与控制芯片。芯片集成显示 RAM、偏压产生与驱动电路，支持多种占空比与偏压配置，可在 2.4V～5.2V 宽电压范围内稳定工作，适合电池供电及便携设备。
二、主要规格参数
- 工作电压：2.4V ～ 5.2V
- 工作温度：-25℃ ～ +75℃
- 振荡/驱动频率：256 kHz
- 占空比 (Duty)：1/4、1/3、1/2
- 偏压 (Bias)：1/3、1/2
- 静态电流（待机）：0.1 μA（typ）
- 接口类型：3 线串行接口（典型为 CS/CLK/DATA）
- 显示配置：32 × 4 bit 显示 RAM（可用于段驱动映射）
- 封装：SSOP-24-150mil
- 包装形式：-TR 表示卷带（Tape & Reel）
三、功能特点
- 多种占空比与偏压支持，匹配不同 LCD 面板的对比与功耗需求。
- 超低待机电流（约 0.1 μA），适合长待机时间的电池应用。
- 集成 3 线串行总线，主控 MCU 接入简单，节省 PCB 走线资源。
- 256kHz 振荡频率平衡驱动稳定性与能耗，减少闪烁与噪声。
- 32×4 位显示 RAM，灵活映射各段/符号，并支持快速更新。
四、接口与使用要点
- 3 线串行接口通常为片选（CS）、时钟（CLK）、数据（DATA），通过串行命令写入显示 RAM 与控制寄存器。
- 上电时应按数据手册时序完成复位与命令配置（偏压、占空比、振荡器使能等）。
- 为保证显示与对比度，需选择与偏压/占空相匹配的 LCD 驱动网络或外部电容/电阻元件（详见参考电路）。
五、典型应用
适用于家用电器面板、手持测量仪表、电子秤、遥控器、工业显示模块以及其他对低功耗与可靠性有要求的段/符号型 LCD 应用。
六、设计与布局建议
- VDD 旁放置 0.1 μF 去耦电容，靠近引脚；地线回流要短而粗。
- 对 LCD 偏压与驱动参考节点做好去耦与滤波，避免高频干扰导致闪烁。
- 提高 ESD 保护等级——在外部接口引脚（CLK/DATA/CS）处增加 TVS 或小信号二极管。
- 开发初期参考厂商数据手册与典型应用电路，调整占空比与偏压以获得最佳对比度和功耗平衡。
HT1621DM/TR 以其低功耗、灵活的偏压/占空配置和简单的串行接口，成为便携与低功耗 LCD 应用的实用驱动选择。欲获得完整引脚说明、指令集与时序，请参阅 HGSEMI 官方数据手册。
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