天微电子:触摸和LCD驱动功能集成的应用--TM1748

Release time:2025-02-25
author:AMEYA360
source:天微电子
reading:384

  TM1748 是一种具有 8 个触摸按键扫描功能的LCD驱动控制IC。该芯片具有较高的集成度,仅需极少的外部组件便可实现触摸按键的检测。芯片内部集成有MCU数字接口、数据锁存器、按键扫描、LCD驱动和有源蜂鸣器驱动等电路,具有高电源电压抑制比,可减少按键检测错误的发生,具有自动校准功能,抗电压波动等特性。主要适用于触摸显示等方案。本产品性能优良,质量可靠。

天微电子:触摸和LCD驱动功能集成的应用--TM1748

  功能特点

  ➢可以支持 8 个触摸按键

  ➢自动校准功能

  ➢内置驱动有源蜂鸣器控制程序

  ➢ 最长按键输出时间检测

  ➢ 具备抗电压波动功能

  ➢ 支持标准I2C通信方式

  ➢ 外接电容调整灵敏度

  ➢ 采用低功耗CMOS工艺

  ➢ 4路LED驱动,具有64级PWM,可用于LCD幻彩背光驱动

  ➢ 1/3LCD驱动偏压

  ➢ LCD工作电压可调

  ➢ 可以驱动28*4的LCD显示屏

  ➢ 振荡方式:内置RC振荡

  ➢ 封装形式:SSOP48

  IC管脚图

天微电子:触摸和LCD驱动功能集成的应用--TM1748

  应用电路图

天微电子:触摸和LCD驱动功能集成的应用--TM1748

天微电子:触摸和LCD驱动功能集成的应用--TM1748

("Note: The information presented in this article is gathered from the internet and is provided as a reference for educational purposes. It does not signify the endorsement or standpoint of our website. If you find any content that violates copyright or intellectual property rights, please inform us for prompt removal.")

Online messageinquiry

  • Week of hot material
  • Material in short supply seckilling
model brand Quote
BD71847AMWV-E2 ROHM Semiconductor
MC33074DR2G onsemi
CDZVT2R20B ROHM Semiconductor
RB751G-40T2R ROHM Semiconductor
TL431ACLPR Texas Instruments
model brand To snap up
STM32F429IGT6 STMicroelectronics
ESR03EZPJ151 ROHM Semiconductor
BP3621 ROHM Semiconductor
IPZ40N04S5L4R8ATMA1 Infineon Technologies
BU33JA2MNVX-CTL ROHM Semiconductor
TPS63050YFFR Texas Instruments
Hot labels
ROHM
IC
Averlogic
Intel
Samsung
IoT
AI
Sensor
Chip
About us

Qr code of ameya360 official account

Identify TWO-DIMENSIONAL code, you can pay attention to

AMEYA360 weixin Service Account AMEYA360 weixin Service Account
AMEYA360 mall (www.ameya360.com) was launched in 2011. Now there are more than 3,500 high-quality suppliers, including 6 million product model data, and more than 1 million component stocks for purchase. Products cover MCU+ memory + power chip +IGBT+MOS tube + op amp + RF Bluetooth + sensor + resistor capacitance inductor + connector and other fields. main business of platform covers spot sales of electronic components, BOM distribution and product supporting materials, providing one-stop purchasing and sales services for our customers.

Please enter the verification code in the image below:

verification code