AS1119-BWLT

Product Overview

Category

AS1119-BWLT belongs to the category of integrated circuit (IC) devices.

Use

It is primarily used for driving LED displays and controlling their brightness.

Characteristics

• AS1119-BWLT is a highly efficient LED driver with advanced features.
• It supports multiplexing, allowing control of multiple LEDs using fewer pins.
• The device offers excellent dimming capabilities, enabling precise control over LED brightness.
• AS1119-BWLT is designed to operate in a wide temperature range, making it suitable for various environments.

Package

The AS1119-BWLT comes in a small outline package (SOP), which ensures easy integration into electronic circuits.

Essence

The essence of AS1119-BWLT lies in its ability to efficiently drive and control LED displays, providing enhanced visual output.

Packaging/Quantity

The AS1119-BWLT is typically packaged in reels, containing a quantity of 2500 units per reel.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Maximum Output Current: 80mA
• Number of Channels: 144
• Communication Interface: I2C
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AS1119-BWLT has a total of 24 pins, each serving a specific function. Here is a detailed pin configuration:

1. VDD: Power supply voltage input
2. GND: Ground reference
3. SDA: Serial data input/output for I2C communication
4. SCL: Serial clock input for I2C communication
5. INT: Interrupt output
6. OE: Output enable
7. REXT: External resistor for current regulation
8. NC: No connection
9. SEG0-SEG7: Segment outputs 0 to 7
10. SEG8-SEG15: Segment outputs 8 to 15
11. SEG16-SEG23: Segment outputs 16 to 23
12. SEG24-SEG31: Segment outputs 24 to 31
13. SEG32-SEG39: Segment outputs 32 to 39
14. SEG40-SEG47: Segment outputs 40 to 47
15. SEG48-SEG55: Segment outputs 48 to 55
16. SEG56-SEG63: Segment outputs 56 to 63
17. SEG64-SEG71: Segment outputs 64 to 71
18. SEG72-SEG79: Segment outputs 72 to 79
19. SEG80-SEG87: Segment outputs 80 to 87
20. SEG88-SEG95: Segment outputs 88 to 95
21. SEG96-SEG103: Segment outputs 96 to 103
22. SEG104-SEG111: Segment outputs 104 to 111
23. SEG112-SEG119: Segment outputs 112 to 119
24. SEG120-SEG127: Segment outputs 120 to 127

Functional Features

• Multiplexing: AS1119-BWLT supports multiplexing, allowing control of multiple LEDs using fewer pins.
• Dimming Control: The device offers excellent dimming capabilities, enabling precise control over LED brightness.
• Error Detection: It incorporates error detection mechanisms to ensure reliable operation.
• Power-Saving Mode: AS1119-BWLT includes a power-saving mode to reduce energy consumption when not in use.

Advantages and Disadvantages

Advantages

• Efficient LED driving with multiplexing capability
• Precise control over LED brightness
• Wide operating temperature range
• Error detection for reliable operation
• Power-saving mode for reduced energy consumption

Disadvantages

• Limited to driving LED displays and not suitable for other applications
• Requires knowledge of I2C communication protocol for proper usage

Working Principles

AS1119-BWLT operates by receiving control signals through the I2C interface. It processes these signals to drive the connected LED segments, controlling their brightness levels. The device utilizes multiplexing techniques to efficiently drive multiple LEDs using a limited number of pins.

Detailed Application Field Plans

AS1119-BWLT finds extensive application in various fields, including: 1. Consumer Electronics: LED displays in smartphones, tablets, and wearable devices. 2. Automotive: Dashboard displays, interior lighting, and exterior lighting systems. 3. Industrial Automation: Control panels, status indicators, and display modules. 4. Signage and Advertising: LED billboards, digital signage, and display panels. 5. Medical Equipment: Patient monitoring devices, diagnostic equipment, and medical displays.

Detailed and Complete Alternative Models

1. AS1118-BWLT: Similar to AS1119-BWLT with minor variations in specifications.
2. MAX721