WMSIC Electronic Components

HOLTEK HT42B564-1 HT42B564

ModelHT42B564-1
PackageSOP-10
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 Date code within 2 years

Available for RFQ

Technical data

Product details

16 specifications

Core information

Product name
HOLTEK(Holtek / Holtek) HT42B564-1
Type
HOLTEK
Minimum package
100 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HOLTEK(Holtek / Holtek)
Electronic Component
HT42B564-1
Electronic Component
1
Package
SOP-10
Electronic Component
USB Converter IC
Electronic Component
0.16g
Electronic Component
1
Electronic Component
BM0258474333
Operating Voltage
3.3V~5.5V
Electronic Component
USB UART
Electronic Component
Electronic Component
Electronic Component
100

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

HT42B564-1 产品概述

一、产品简介

HT42B564-1 是 HOLTEK(台湾合泰/盛群)的一款 USB 转 UART 类型的转换芯片,采用 SOP-10 封装,适用于将主机 USB 接口与 MCU 或串口外设之间进行数据桥接。该器件工作电压范围宽(3.3V ~ 5.5V),可在 3.3V 与 5V 系统中直接使用,便于在多种嵌入式平台中集成。

二、主要特点

  • 功能定位:USB ↔ UART 双向数据转换,便于在 PC、平板或其他 USB 主机与串口设备之间建立透明通信通道。
  • 电源兼容:工作电压 3.3V ~ 5.5V,适配常见单片机电平,无须外部电平转换器(但需按手册确认 IO 电平限制)。
  • 封装:SOP-10,体积小巧,适合焊盘化生产与 SMD 装配。
  • 易于集成:器件集成度高,可减少外围电路,便于在 USB 串口模块、开发板、转接线等产品中采用。
    (具体速率、流控支持及引脚定义以官方数据手册为准)

三、典型应用场景

  • MCU 与 PC 之间的程序下载、调试控制台和数据通信。
  • 具备 USB 主机接口的仪器、测试设备与串口外设的接口转换。
  • USB 串口模块、USB 转 TTL/RS232/RS485 适配器的核心芯片选择。
  • 工业控制、智能家居与消费电子中需要 USB 串口桥接的场景。

四、设计与选型建议

  • 供电与去耦:在 VCC 引脚附近放置 0.1µF 陶瓷去耦电容,抑制电源噪声;若系统电源线路较长或有开关噪声,考虑增加 1µF~10µF 的旁路电容。
  • USB 线路布局:USB D+/D- 差分对尽量走短且长度匹配的走线,避免直角弯折,必要时加入共模电感与 ESD 保护器件以提升抗扰度。
  • UART 电平匹配:确认芯片 TX/RX 引脚输出与 MCU 接收电平兼容,若外设为 RS232/RS485 需额外的电平/隔离转换器。
  • 驱动与兼容性:部分系统(Windows、Linux、macOS)可能需特定驱动,选择前请查阅厂商提供的驱动程序与兼容说明。
  • 热与机械:SOP-10 虽体积小,但焊接时需注意回流曲线与PCB焊盘设计以确保良好焊接可靠性。

五、封装与引脚注意

HT42B564-1 采用 SOP-10 封装,典型引脚包括电源、地、USB 差分对、UART TX/RX 等(具体引脚功能与排列请以官方数据手册为准)。在原理图和 PCB 布局前,务必参照完整版引脚图与推荐 PCB 布局示意,避免引脚误连或布局不良导致功能异常。

六、获取资料与技术支持

在产品选型与电路设计过程中,强烈建议下载并详读 HOLTEK 的官方数据手册与应用笔记,查验工作电压、最大容许电流、IO 耐压与环境规范等关键参数。如需进一步的原理接线参考、驱动程序或样片评估,可联系 HOLTEK 当地代理或可靠的元器件供应商获取支持与测试资料。

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