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TM1668

Name: TM1668
Rating: 4.7 (12 reviews)

メーカー
Mfr。パート #TM1668
パッケージ
データシート TM1668 DataSheet
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仕様

Manufacturer	TM(Shenzhen Titan Micro Elec)
Package	SOP-24-300mil

概要

Description

TM1668 is an integrated circuit (IC) designed for driving seven-segment displays, commonly used in digital clocks and electronic meters. It features a multiplexed design, allowing it to control multiple segments with fewer pins, making it efficient for microcontroller applications. The TM1668 can directly interface with microcontrollers, enabling easy data transmission for displaying numerical values.
Key features include support for up to 8 digits, a built-in memory for storing display data, and the ability to control the brightness of the display. It communicates via a simple two-wire interface, typically using a serial protocol, facilitating straightforward integration into various electronic projects.
The IC also supports features like dynamic display refreshing, which reduces flicker and improves readability. Overall, TM1668 is a popular choice for hobbyists and professionals looking to implement seven-segment displays in their designs due to its ease of use and versatility.

Features

The TM1668 is a multifunctional LED driver specifically designed for driving 7-segment displays and LED matrices. Key features include:
1. Multiplexing Capability: Supports up to 16 segments, allowing for efficient display of numbers and characters.
2. Integrated Keypad Scanning: Facilitates the connection and scanning of up to 16 keys, ideal for user input applications.
3. Variable Brightness Control: Provides adjustable brightness levels for LED segments, enhancing visibility in various lighting conditions.
4. Serial Interface: Communicates via a simple serial interface, making it easy to integrate with microcontrollers.
5. Low Power Consumption: Designed for energy efficiency, making it suitable for battery-powered devices.
6. Built-in Oscillator: Eliminates the need for an external clock source.
7. Easy Configuration: Features simple wiring and configuration options for quick setup.
These features make the TM1668 a versatile choice for a wide range of electronic display applications.

Package

The TM1668 is typically available in a DIP (Dual In-line Package) form factor, which allows for easy mounting on PCBs. It features a standard pin configuration for connecting to microcontrollers and displays.

Pinout

The TM1668 is a LED driver IC commonly used for driving 7-segment displays and other LED applications. It typically features a 24-pin Dual In-Line Package (DIP) or a similar surface-mount package.
Pin Count and Functions:
1. Pins 1-8: Segment outputs (a to g and decimal point).
2. Pin 9: Common anode or cathode for display.
3. Pin 10: Display enable/disable control.
4. Pins 11-13: Control pins for data input (DIN, CLK, and CS).
5. Pin 14: Reset pin for initializing the IC.
6. Pins 15-20: Additional control and configuration pins.
7. Pins 21-24: Power supply and ground connections (VDD and GND).
The TM1668 receives data through a serial interface, allowing it to control multiple digits or LEDs efficiently. It can display various characters and is widely used in digital clocks, counters, and other display applications.

Manufacturer

The TM1668 is manufactured by a company called Taiwan Microelectronics Technology Co., Ltd. (TMTC). TMTC specializes in integrated circuit (IC) design and manufacturing, particularly focusing on display drivers and other semiconductor products. The company primarily serves the electronics industry, providing components used in various applications such as consumer electronics, automotive displays, and industrial equipment. Their products, including the TM1668, are commonly utilized in LED displays and numeric indicators, facilitating efficient visual communication in devices. TMTC is recognized for its commitment to quality and innovation in the semiconductor sector.

Application

The TM1668 is commonly used in applications such as digital displays, scoreboards, electronic instruments, and home appliances. It serves as a driver for seven-segment LED displays, enabling the control of multiple segments with minimal pin usage. Additionally, it's utilized in various consumer electronics for visual output, including clocks, counters, and measurement devices, due to its efficient multiplexing capabilities.

Equivalent

The TM1668 chip is commonly used for controlling LED displays. Equivalent products include the HT16K33, MAX7219, and TM1637. These chips also facilitate multiplexing and control of seven-segment displays and LED matrices. Each has unique features, such as different communication protocols (I2C for HT16K33) or integrated current limiting (MAX7219), making them suitable alternatives depending on specific application requirements.