Description
TPS61194PWP-R
High-Brightness LED Driver with High Efficiency and Low Noise
Overview
The TPS61194PWP-R is a high-brightness LED driver that integrates a high-efficiency, low-noise, and adjustable constant current sink for driving one or multiple LEDs. It features a wide input voltage range, making it suitable for various applications, including automotive, industrial, and consumer electronics.
Features
- High Efficiency: Up to 95% due to synchronous rectification and low dropout voltage.
- Wide Input Voltage Range: 4.5V to 18V, allowing for a broad range of applications.
- Adjustable Output Current: Programmable via an external resistor, enabling customization for specific LED requirements.
- High Accuracy: ±3% current regulation accuracy across the full temperature range.
- Low Noise Operation: Reached through spread spectrum modulation (SSM) and an adjustable switching frequency (up to 2.5MHz), reducing electromagnetic interference (EMI) and allowing for more compact designs.
- Thermal Shutdown and Overvoltage Protection: Ensures the reliability and safety of the device under extreme operating conditions.
- Enable Function: Allows for remote on/off control, providing an easy means to control the LED operation.
- Small Footprint: Available in a 10-pin HTSSOP package, suitable for space-constrained designs.
Parameters
- Input Voltage Range: 4.5V to 18V
- Output Current Accuracy: ±3%
- Switching Frequency: Up to 2.5MHz
- Efficiency: Up to 95%
- Output Voltage Range: Adjustable
- Package Type: 10-pin HTSSOP
- Operating Junction Temperature: -40°C to 125°C
Applications
- Automotive Lighting (interior and exterior)
- Industrial Lighting
- LED Panel Displays
- LED Signs
- Mobile Phones and Portable Electronics
- TVs and Monitors
Block Diagram
A simplified block diagram illustrates the key components and control loops of the TPS61194PWP-R, including:
- Input Voltage Regulator
- Current Sense and Regulation
- PWM Controller
- Enable and Fault Handling
- Output Stage (synchronous rectification)
Ordering Information
For ordering the TPS61194PWP-R, consider the following:
- Part Number: TPS61194PWP-R
- Package: 10-pin HTSSOP
Documentation and Support
- Datasheet: Comprehensive technical details, including application information, circuit diagrams, and performance characteristics.
- User Guides: Step-by-step instructions for evaluation and application design.
- Evaluation Modules: Available for quick assessment of device performance in specific application setups.
- Technical Support: For questions, design assistance, and troubleshooting, contact our technical support team.
Related Products
Other LED driver products within the portfolio offer variations in input voltage range, output current capability, and package options. Consult the manufacturer’s product catalog for a full list of available devices.