Product Overview
The IR2156STRPBF is a comprehensive ballast control IC from Infineon Technologies, integrating a high-voltage half-bridge gate driver with a programmable oscillator and complete state machine for Compact Fluorescent Lamp (CFL) ballast applications. Features include programmable preheat, ignition, and run modes.
Key Specifications
| Manufacturer | Infineon Technologies |
| Device Type | Ballast Control IC with Half-Bridge Driver |
| V_OFFSET | 600 V (max) |
| Output Current (Source/Sink) | 250 mA / 400 mA |
| Supply Voltage Range | 10 V to 25 V |
| Operating Frequency | 36 kHz to 44 kHz (typ range) |
| Startup Current | 150 µA (typ) |
| VCC Zener Clamp | 15.6 V (typ) |
| Protection Features | OCP, UVLO, brown-out, fault latch |
| Package | SOIC-14 (narrow) |
| Operating Temperature | -25°C to +125°C |
Features
- Ballast control and half-bridge driver in one IC
- Programmable preheat frequency and time
- Internal ignition ramp
- Programmable run frequency and dead time
- Programmable overcurrent threshold
- DC bus undervoltage reset
- Shutdown pin with hysteresis
- 15.6V Zener clamp on VCC
- Micropower startup (150µA)
- Latch immunity and ESD protection
Applications
- Compact fluorescent lamp (CFL) ballasts
- Fluorescent lamp electronic ballasts
- Resonant half-bridge converters
- Lighting control systems
- Home and building automation
- Dimmable ballast circuits