Manufacturer Part Number
A8518KLPTR-T
Manufacturer
allegro-microsystems
Introduction
The A8518KLPTR-T is a high-performance LED driver designed for power management, particularly in LED backlighting applications.
Product Features and Performance
Integrated DC DC Regulator with Step-Up (Boost) topology
Includes internal switches for efficiency
Supports two outputs for flexible LED driving
Operates on a wide supply voltage range from 4.5V to 40V
Provides a stable output voltage up to 40V
Offers output current up to 200mA per channel
High switching frequency at 2.15MHz for compact external components
Features both analog and PWM dimming control modes
Operates reliably over a wide temperature range from -40°C to 125°C
Product Advantages
High integration reduces the need for external components
Wide input voltage range accommodates various supply sources
Flexible output configuration supports numerous LED configurations
High frequency allows for small inductor and capacitor sizes
Capable of high-temperature operation, suitable for automotive environments
Dual dimming options enhance display quality and power savings
Key Technical Parameters
Voltage Supply (Min): 4.5V
Voltage Supply (Max): 40V
Voltage Output: 40V
Current Output / Channel: 200mA
Frequency: 2.15MHz
Number of Outputs: 2
Operating Temperature: -40°C ~ 125°C (TA)
Quality and Safety Features
AEC-Q100 qualification for automotive reliability
Built-in protection features against overcurrent and short-circuit conditions
Compatibility
Suitable for use with various LED types and configurations
Compatible with both analog and PWM dimming controls
Application Areas
Primarily designed for LED backlighting applications in automotive environments
Can also be employed in industrial and consumer electronics requiring reliable LED driving solutions
Product Lifecycle
Currently marked as Active
Not indicated as nearing discontinuation
Future availability of replacements or upgrades not specified
Several Key Reasons to Choose This Product
High efficiency and integration for compact and robust LED driving solutions
Flexible power supply compatibility and output configuration ease design constraints
Dual dimming options allow for versatile control and power savings
High reliability and wide operating temperature range meet stringent automotive standards
Compliance with AEC-Q100 automotive qualification ensures robust performance under harsh conditions
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