WMSIC Electronic Components

HOLTEK HT1632D-52LQFP-2.0 HT1632D

ModelHT1632D-52LQFP-2.0
PackageLQFP-52(14x14)
BrandHOLTEK
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
HOLTEK(Holtek / Holtek) HT1632D-52LQFP-2.0
Type
HOLTEK
Minimum package
90 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HOLTEK(Holtek / Holtek)
Electronic Component
HT1632D-52LQFP-2.0
Electronic Component
1
Package
LQFP-52(14x14)
Electronic Component
LEDDriver
Electronic Component
PWM
Electronic Component
0.79g
Electronic Component
1
Channel Count
1
Electronic Component
BM0264336523
Operating Temperature
40℃~+85℃
Switching Frequency
230kHz~282kHz
Operating Voltage(DC)
2.4V~5.5V
Electronic Component
Electronic Component
Electronic Component
90

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

HT1632D-52LQFP-2.0 产品概述

HT1632D-52LQFP-2.0 是 HOLTEK(台湾合泰/盛群)推出的一款存储器映射型 LED 显示控制/驱动芯片,适用于中小尺寸点阵/矩阵 LED 显示应用。该系列芯片支持多种 ROM 与 COM 配置,可灵活配置为 32ROW x 8COM 或 24ROW x 16COM 两种常见显示模式,通过软件控制的 PWM 实现多级亮度调节,便于低成本系统实现稳定、可控的点阵显示。

一、主要特性

  • 工作电压(DC):2.4V ~ 5.5V,适配低压系统与常见 MCU 电源域
  • 开关频率:230 kHz ~ 282 kHz,内部驱动开关频率可使驱动效率与可视闪烁权衡良好
  • 通道数:1(单芯片通道配置)
  • 调光方式:PWM 控制,支持 16 级亮度调节
  • 工作温度:-40 ℃ ~ +85 ℃,满足工业级温度要求
  • 可配置显示阵列:32ROW x 8COM 或 24ROW x 16COM
  • 封装:LQFP-52(14 mm x 14 mm)
  • 品牌:HOLTEK(台湾合泰/盛群)

二、功能说明

  • 存储器映射显示:芯片内部采用 RAM/ROM 映射方式管理点阵数据,MCU 通过总线或串行接口写入显示内容后,芯片负责按列/行刷新输出,降低主控负担。
  • 可选 ROM/COM 配置:同一芯片支持两种主流 ROW/COM 配置(32x8 或 24x16),方便在不同像素密度与扫描方式间取舍,适配多样化显示面板。
  • PWM 亮度控制:片内 PWM 电路由软件寄存器或控制指令调整,提供 16 种亮度级别,便于实现节能与亮度一致性优化。
  • 稳定驱动:开关频率在 230 kHz~282 kHz 范围内,兼顾驱动效率与电磁兼容(EMC)设计需求。

三、典型应用场景

  • 点阵信息显示:小型信息牌、提示板、倒计时显示器等。
  • 工业与商用面板:仪表、控制面板、操作界面指示与状态显示。
  • 便携/消费电子:手持设备的符号或文字显示、玩具与智能家居指示灯阵列。
  • 教育与开发板:点矩阵演示与教学开发平台。

四、封装与可靠性

  • 封装形式:LQFP-52(14 x 14 mm)便于在常规 PCB 工艺中焊接与散热处理,同时为多引脚信号分配提供足够空间。
  • 温度性能:-40 ℃ ~ +85 ℃ 的工作温度范围适合大多数工业与民用环境使用,注意在高温或强散热限制场合评估额外散热方案。

五、设计与使用建议

  • 电源与旁路电容:在 VCC 引脚附近放置合适的去耦电容(如 0.1 μF 与 1 μF 并联)以抑制开关瞬态,减少电源噪声对 PWM 驱动稳定性的影响。
  • EMC 与开关频率:由于内部开关频率在 230 kHz~282 kHz,PCB 布线应尽量缩短高电流路径,合理布置地平面并使用滤波元件以降低电磁干扰。
  • 电平兼容:芯片支持 2.4V~5.5V 工作电压,若系统中 MCU 电压与驱动电压不一致,需确认接口电平兼容或使用电平转换器。
  • 布局注意:驱动引脚(COM、ROW)与 LED 排线应优化走线,确保热量分散均匀,避免单一区域长期集中过热。
  • 软件驱动:利用芯片提供的寄存器与命令集实现 RAM 写入、模式切换与 PWM 亮度设置;在刷新率、扫描模式与亮度级别之间进行权衡以满足视觉效果与功耗目标。

六、选型与采购参考

  • 若项目对显示分辨率、亮度可调范围与工业温度有明确要求,HT1632D-52LQFP-2.0 提供了较好的功能覆盖与封装便利性。
  • 选择前确认:所用 LED 阵列与驱动电流需求、主控接口方式(并行/串行)、以及系统的电源域与散热条件。

总结:HT1632D-52LQFP-2.0 是一款面向点阵显示的存储器映射型 LED 控制/驱动芯片,结合灵活的 ROM/COM 配置、16 级 PWM 调光与工规级温度范围,适用于多种中小型点阵显示方案。在设计时建议关注电源去耦、开关频率引起的 EMC 问题与接口电平兼容,以确保稳定可靠的显示效果。

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