Texas Instruments

TCA6507PW

TCA6507PW Description

The TCA6507PW from Texas Instruments is a highly integrated 7-channel linear LED driver designed for both external and internal LED driving applications. Operating within a 1.65V to 3.6V supply range, it delivers up to 5.5V output voltage with a 40mA current per channel, making it suitable for driving LEDs in low-voltage systems. The device supports I2C and SMBus communication protocols, enabling precise dimming control and flexible configuration. With a switching frequency of 100kHz or 400kHz, it balances efficiency and performance. Packaged in a 14-pin TSSOP tube, it is RoHS3 compliant and rated for MSL 1 (Unlimited) moisture sensitivity, ensuring reliability in industrial and consumer applications.

TCA6507PW Features

• 7-Channel Output: Independently controllable LED channels with 40mA current sink capability.
• Wide Voltage Range: Operates from 1.65V to 3.6V, compatible with low-power microcontrollers.
• High Output Voltage: Supports 5.5V LED drive, accommodating diverse LED configurations.
• I2C/SMBus Interface: Enables programmable dimming (256-step linear control) and dynamic lighting effects.
• Dual Frequency Modes: 100kHz or 400kHz operation for optimized EMI performance.
• Robust Packaging: 14-TSSOP surface-mount package with MSL 1 rating for extended shelf life.
• Compliance: RoHS3 and REACH unaffected, meeting global environmental standards.

TCA6507PW Applications

• Backlighting: Ideal for LCD displays, keypad lighting, and indicator panels in portable devices.
• Automotive Interior Lighting: Supports dashboards, ambient lighting, and infotainment systems due to its low-voltage operation.
• Consumer Electronics: Used in smartphones, wearables, and IoT devices for status LEDs and decorative lighting.
• Industrial Control Systems: Provides reliable status indication and machine vision lighting with precise dimming.
• Architectural Lighting: Enables dynamic color mixing in low-power LED arrays.

Conclusion of TCA6507PW

The TCA6507PW stands out for its low-voltage operation, high channel count, and I2C programmability, making it a versatile solution for LED driving in space-constrained, power-sensitive designs. Its compliance with environmental standards and flexible dimming options position it as a superior choice over basic LED drivers. Whether for consumer gadgets, automotive interiors, or industrial indicators, this driver delivers performance, efficiency, and design flexibility. Engineers seeking a compact, feature-rich LED driver will find the TCA6507PW an optimal fit.