TLC59116IPWR
Overview
Category: Integrated Circuit (IC)
Use: LED Driver
Characteristics: - 16-channel constant current sink LED driver - Serial interface compatible with I2C and SMBus - Wide operating voltage range: 3 V to 5.5 V - High output current capability: up to 120 mA per channel - Programmable LED brightness control - Thermal shutdown protection - Low standby current consumption
Package: TSSOP (Thin Shrink Small Outline Package)
Essence: The TLC59116IPWR is an integrated circuit designed for driving LEDs in various applications. It provides a convenient solution for controlling multiple LEDs with individual brightness control.
Packaging/Quantity: The TLC59116IPWR is typically sold in reels of 2500 units.
Specifications
- Operating Voltage Range: 3 V to 5.5 V
- Output Current per Channel: Up to 120 mA
- Number of Channels: 16
- Interface: I2C, SMBus compatible
- Standby Current: 1 µA (typical)
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The TLC59116IPWR has a 20-pin TSSOP package with the following pin configuration:
```
| | | 1 20 | | | | 2 19 | | | | 3 18 | | | | 4 17 | | | | 5 16 | | | | 6 15 | | | | 7 14 | | | | 8 13 | | | | 9 12 | | | | 10 11 | |_______________| ```
Functional Features
- Individual brightness control for each LED channel
- Programmable LED current sinking capability
- Internal oscillator for PWM (Pulse Width Modulation) control
- Thermal shutdown protection to prevent overheating
- Power-on reset and output blanking during power-up
Advantages and Disadvantages
Advantages: - High output current capability allows driving of high-power LEDs - Flexible brightness control for individual LEDs - Wide operating voltage range enables compatibility with various systems - Low standby current consumption for energy efficiency - Thermal shutdown protection ensures device safety
Disadvantages: - Limited number of channels (16) - Requires external resistors for LED current setting
Working Principles
The TLC59116IPWR operates by receiving control signals through the I2C or SMBus interface. It uses these signals to adjust the current sinking capability of each LED channel, thereby controlling the brightness of the connected LEDs. The internal oscillator generates PWM signals that determine the duty cycle of the LED current, allowing for smooth dimming effects.
The device also incorporates thermal shutdown protection, which activates when the temperature exceeds a certain threshold. This feature prevents damage to the IC and connected LEDs due to excessive heat.
Application Field Plans
The TLC59116IPWR is commonly used in various applications that require LED driving, such as: - Automotive lighting systems - Backlighting for LCD displays - Signage and advertising displays - Decorative lighting - Industrial control panels
Alternative Models
Some alternative models to the TLC59116IPWR include: - TLC59108IPWR: 8-channel LED driver with similar features - TLC59108IPW: 8-channel LED driver in a different package (PW) - TLC59108IPWRG4: 8-channel LED driver with RoHS compliance
These alternative models offer different channel counts and package options, providing flexibility for specific application requirements.
Word count: 455 words
Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TLC59116IPWR i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of TLC59116IPWR in technical solutions:
Q: What is TLC59116IPWR? A: TLC59116IPWR is a 16-channel constant current LED driver that can be used to control multiple LEDs in various applications.
Q: What is the maximum output current per channel of TLC59116IPWR? A: The maximum output current per channel of TLC59116IPWR is 120 mA.
Q: Can TLC59116IPWR be used to drive RGB LEDs? A: Yes, TLC59116IPWR can be used to drive RGB LEDs by controlling the individual channels for each color.
Q: How many TLC59116IPWR devices can be cascaded together? A: Multiple TLC59116IPWR devices can be cascaded together using the I2C interface, allowing control of more than 16 channels.
Q: What is the input voltage range for TLC59116IPWR? A: The input voltage range for TLC59116IPWR is typically between 3V and 5.5V.
Q: Can TLC59116IPWR be used in automotive applications? A: Yes, TLC59116IPWR is suitable for automotive applications as it has a wide operating temperature range and is AEC-Q100 qualified.
Q: Does TLC59116IPWR support dimming functionality? A: Yes, TLC59116IPWR supports both individual channel and global brightness control, allowing for dimming of the LEDs.
Q: What is the communication interface used by TLC59116IPWR? A: TLC59116IPWR uses the I2C (Inter-Integrated Circuit) interface for communication with a microcontroller or other devices.
Q: Can TLC59116IPWR be used in battery-powered applications? A: Yes, TLC59116IPWR has a low quiescent current and can be used in battery-powered applications to minimize power consumption.
Q: Are there any evaluation boards or reference designs available for TLC59116IPWR? A: Yes, Texas Instruments provides evaluation boards and reference designs for TLC59116IPWR to help with the development process.
Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.