The LM3554TMX/NOPB from Texas Instruments is a highly versatile and sophisticated flash driver designed to cater to a broad range of applications.

• Fixed Frequency, Current-Mode Boost Converter: Offers two regulated current sinks.
• Applications: Designed for portable systems and mobile phones; ideal for single cell Li-Ion applications.
• Current: Up to 1.2A flash pulse and torch current.
• High Level of Integration: Incorporates a high-efficiency DC/DC boost converter and two high-precision current regulators.
• TX Mask Input: Reduces the flash LED current to a level that does not interfere with the mobile camera’s image sensor.
• Hardware Flash Enable (HWEN) Input: For direct control over flash LED current.
• Robust Operation: Features over-voltage protection, a thermal limit, and a programmable input current limit.
• Package: Compact, lead-free 12-bump micro SMD package.