IR2156S ,Ballast Control IC - Programmable Preheat, Run Frequency, 14 Lead SOIC

The IR2156S is a high voltage half-bridge gate driver IC designed for fluorescent lamp ballast control. It integrates programmable preheat frequency, preheat time, dead-time, run frequency, and over-current protection, making it ideal for fluorescent lamp applications. The built-in protection features guard against lamp failure, filament issues, and automatic restart.

The IR2156S operates with high efficiency, minimizing power dissipation while ensuring robust protection, thanks to its integrated latch immunity and ESD safeguards. Available in a 14-lead SOIC package, it is easy to integrate into various designs.

Key Features :

• Programmable Preheat Frequency: Adjustable preheat frequency, ensuring optimized startup and prolonged lamp life.
• High Voltage Half-Bridge Gate Driver: Integrates a high-side and low-side driver in one compact IC.
• Comprehensive Protection: Includes programmable over-current and undervoltage protection to prevent lamp failure.
• Latch Immunity & ESD Protection: Enhanced reliability with built-in protection features against latch-up and electrostatic discharge.
• Programmable Run Frequency: Flexible configuration options for precise control over lamp operation.
• 14-Lead SOIC Package: Compact surface-mount design suitable for various applications.