Imagens apenas para referência
TM1618
+Lista de Materiais-
FabricanteTM(Shenzhen Titan Micro Elec)
-
Peça do Fabricante #TM1618
-
Ficha Técnica TM1618 DataSheet
-
Em Estoque29123
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Manufacturer | TM(Shenzhen Titan Micro Elec) |
| Package | SOIC-18-300mil |
Visão Geral
Description
Key features of the TM1618 include:
1. Constant Current Control: Ensures uniform brightness across all LEDs, enhancing display quality.
2. Serial Interface: Utilizes a serial interface for communication, reducing the number of microcontroller pins required.
3. PWM Brightness Control: Offers adjustable brightness settings through pulse-width modulation, allowing dynamic brightness adjustments.
4. Built-in Oscillator: Simplifies design by removing the need for an external clock source.
The TM1618 is favored for its ease of use, efficient power consumption, and ability to drive numerous LEDs with minimal microcontroller overhead, making it ideal for a variety of display applications.
Equivalent
1. HT16K33 by Holtek: A popular LED driver and controller with similar functionality.
2. MAX7219/MAX7221 by Maxim Integrated: These chips are often used for interfacing microcontrollers with LED displays.
3. IS31FL3731 by ISSI: An LED matrix driver with advanced features.
Always check the specific requirements and pin compatibility when swapping ICs.
Features
1. Display Capacity: Can drive up to 10 segments and 8 digits, making it suitable for various LED display configurations.
2. Control Interface: Operates with a single-wire communication interface, simplifying connections.
3. Current Drive Capability: Capable of driving LEDs directly with a built-in constant current driver, ensuring uniform brightness.
4. PWM Control: Features pulse-width modulation (PWM) control for brightness adjustment, allowing for smooth dimming effects.
5. Key Scanning: Supports key scanning for up to 24 keys, making it suitable for interactive display systems.
6. Low Power Consumption: Designed for energy efficiency, which is crucial for battery-powered devices.
7. Operating Voltage: Operates typically within a voltage range of 5V, accommodating standard digital circuit requirements.
8. Over Temperature Protection: Includes built-in protection to guard against overheating.
9. Multiple Operating Modes: Offers various operating modes to support different display configurations and power-saving requirements.
These features make the TM1618 a versatile choice for applications such as home appliances, meter displays, and other consumer electronics that require LED control.
Pinout
1. VDD and VSS: Provide the power supply for the chip.
2. OSC: Connects to an external resistor to set the internal clock frequency.
3. DIO, CLK, STB: Used for serial communication with the microcontroller, handling data input/output, clock, and strobe signals, respectively.
4. SEG1–SEG10: Drive the segments of the LED display.
5. GRID1–GRID6: Control the LED grid to select which segment is active at a given time.
6. K1–K3: Key scan pins used for reading input from a 3x3 key matrix.
7. NC: No connection pins, which are unused.
The TM1618 is designed to manage LED displays efficiently by providing functions such as key scanning, segment driving, and handling communication with a microcontroller, making it suitable for applications like digital clocks, appliances, and other devices requiring LED display control.