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 Lighting ASSP for Fluorescent
Ballast
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Features 78K0/Ix2 Series
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78KO/Ix2 Microcontroller
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- 4 channels of 40MHz 16-bit PWM outputs
- Integrated high and low speed oscillators
- Manchester encoder for DALI
- Enhanced analogue capabilities
- 10 channels ADCs
- 3 channel comparators
- Op Amp
- Advanced internal architecture
- Comparators interlocked with PWM timers
- ADCs synchronised with PWM timers
- Op Amp interconnected with ADCs
- Use the single chip to drive PFC and ballast
- Fast response of the PWM timers to the comparator interrupts
- Zero crossing, lamp failure and open load detection
- Dimming capabilities with the interlocked 8-bit timer
- Synchronization of PWMs with the system voltage levels
- Op-amps interconnected with ADCs
- to for accurate low lamp current measurement
- DALI communications
- System control using analogue, digital and wireless interfaces
- Serial and analog interfaces to handle light, motion, temperature sensors
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Isolation in lighting
Optocouplers for any type of lighting system requirements
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System requirements
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Applications
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Part Number
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Description
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For fluorescent ballast
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High isolation for high voltages with safety certification
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PS2501AL-1
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5000 V isolation
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PS2581AL-1
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5000 V isolation + 8mm creepage
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Isolation specified by DALI communications
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PS2701A-1
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3750 V isolation
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For high brightness LED systems
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Space saving isolation at lower voltages
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PS2801C-1
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2500 V isolation in ultra-small SSOP
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For additional information please contact: renesas@msc-ge.com · Tel. +49 7249
910-547
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Contacts
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