TM1640B

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TM1640B

+Nomenclature

  • FabricantTM (Shenzhen Titan microélectronique)

  • Pièce fabricant #TM1640B

  • Fiche technique TM1640B DataSheet

  • En stock5209

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Spécifications

Attribut Valeur
Manufacturer TM(Shenzhen Titan Micro Elec)
Package SOP-28-300mil
Number of Channels 16
Operating temperature -40℃~+85℃
Frequency - Switching 450kHz~1MHz
Dimming PWM

Présentation

Description

The TM1640B is an integrated LED driver designed to control LED displays, specifically those using a matrix or segment display configuration. It is commonly used in consumer electronics for its simplicity and efficiency in driving LED displays. The TM1640B interfaces with microcontrollers through a serial interface, allowing for easy communication and control. It supports a range of functionalities, including brightness control, scanning control, and display memory management.
Key features of the TM1640B include its capability to drive multiple segments and grids, making it ideal for both numeric and alphanumeric displays. The device operates with a low power consumption mode, making it suitable for battery-operated devices. Additionally, its built-in oscillator reduces the need for external components, simplifying circuit design. The TM1640B is highly regarded for its reliability and ease of use, making it a popular choice among designers and engineers working on display-based applications.

Equivalent

The TM1640B chip is a LED driver IC used in display applications. Equivalent products include the HT16K33 from Holtek, the MAX7219 from Maxim Integrated, and the WS2812B for addressable LEDs, although the latter is more commonly used in RGB LED strips. Each of these alternatives may have different features, so compatibility with specific applications should be verified.

Features

The TM1640B is an LED driver IC designed for controlling LED displays, commonly used in applications like digital clocks, meters, and other display panels. Key features include:
1. Integrated Key Scanning: Offers key scanning capabilities up to 16 keys, allowing for straightforward input detection alongside LED control.
2. Segment Control: Supports up to 16 segments and 8 digits, providing flexibility for various display configurations.
3. Current Control: Includes brightness control with adjustable current settings, enabling uniform LED brightness.
4. Communication Interface: Utilizes a two-wire serial interface for efficient communication with microcontrollers, simplifying integration.
5. Low Power Consumption: Designed for energy efficiency, making it suitable for battery-powered devices.
6. Built-in Oscillator: Contains an internal oscillator, reducing the need for external components.
7. Operating Voltage: Typically operates within a voltage range of 3.3V to 5V, accommodating common supply voltages.
8. Compact Package: Available in a small package size, facilitating use in space-constrained applications.
These features make the TM1640B a versatile solution for a range of LED display applications.

Pinout

The TM1640B is an LED driver IC commonly used for driving dot matrix displays, LED displays, and other types of display panels. It typically comes in a 28-pin package. The pin functions are as follows:
1. VDD: Power supply pin.
2. VSS: Ground pin.
3. DIO: Data input/output pin for serial communication.
4. CLK: Clock pin for timing control in serial communication.
5. STB: Strobe pin, used to latch data to the display.
6-27. SEG1-SEG22: Segment output pins for driving individual LED segments.
28. GND: Additional ground pin for power stability.
These pins work together to control the LED segments by receiving data through the DIO pin, synchronized with the CLK pin, and latched using the STB pin. The TM1640B is designed to operate efficiently, providing a simple interface for controlling complex LED displays with minimal external components.

Manufacturer

The TM1640B is produced by Titan Micro Electronics Co., Ltd. Titan Micro is a company that specializes in manufacturing semiconductor devices, particularly focusing on integrated circuits (ICs) for various applications. Their product range includes LED display drivers, microcontrollers, and other electronic components. Titan Micro is known for providing solutions for consumer electronics, automotive, and industrial applications, emphasizing innovation and efficiency in their designs.

Application

The TM1640B is a LED driver IC widely used in applications requiring control of LED displays. Its primary application areas include digital clocks, LED display panels, home appliances with display features, and dashboard indicators. The IC is suitable for handling multiple segments and digits, making it ideal for use in consumer electronics, such as audio equipment, microwave ovens, and other devices with numeric or alphanumeric readouts. Its ability to drive LED matrices efficiently makes it a popular choice for various display-centric applications. Additionally, its integration simplifies design, reduces component count, and enhances the reliability of products requiring LED displays.

Package

The TM1640B is typically packaged in a SOP-24 (Small Outline Package with 24 pins) format. This package type is designed for surface mount technology, making it suitable for compact electronic devices and applications.