I thought this new chip looked interesting, anyone have any experience or
thoughts on it:
STLUX385A
STMicroelectronics presents the world's first universal digital controller
for lighting and power-conversion applications
[image: STMicroelectronics' STLUX385A]
The STLUX385A device is part of the STLUX™ family of STMicroelectronics®
digital devices tailored for lighting and power-conversion applications.
The STLUX385A has been successfully integrated in a wide range of
architectures and applications, starting from simple buck converters for
driving multiple LED strings, boost for power factor corrections,
half-bridge resonant converters for high-power dimmable LED strings and up
to full-bridge controllers for HID lamp ballasts.
------------------------------
Key Features
- 6 programmable PWM generators (SMEDs) (state machine event driven)
- 10 ns event detection and reaction
- Max.1.3 ns PWM resolution
- Single, coupled and two coupled, operational modes
- Up to 3 internal/external events per SMED
- DALI (digital addressable lighting interface)
- Interrupt-driven hardware encoder
- Bus frequency: 1.2, 2.4 or 4.8 kHz
- IEC 60929 and IEC 62386 compliant plus 24-bit frame extension
- Configurable noise rejection filter
- Reverse polarity on Tx/Rx lines
- 4 analog comparators
- 4 internal 4-bit references
- 1 external reference
- Less than 50 ns propagation time
- Continuous comparison cycle
- 8 analog-to-digital converters (ADCs)
- 10-bit precision, with operational amplifier to extend resolution
to 12-bit equivalent
- Sequencer functionality
- Input impedance: 1 MΩ
- Configurable gain value: x 1 or x 4
- Integrated microcontroller
- Advanced STM8® core with Harvard architecture and 3-stage pipeline
- Max. fCPU: 16 MHz
- Memories
- Flash and E2PROM with read while write (RWW) and error correction
code (ECC)
- Program memory: 32 Kbytes Flash; data retention 15 years at 85°C
after 10 kcycles at 25°C
- Data memory: 1 Kbyte true data E2PROM; data retention:15 years at
85°C after 100 kcycles at 85°C
- RAM: 2 Kbytes
- ROM: 2 Kbytes
- Clock management
- Internal 96 MHz PLL
- Low-power oscillator circuit for external crystal resonator or
direct clock input
- Internal, user-trimmable 16 MHz RC and low-power 153.6 kHz RC
oscillators
- Clock security system with clock monitor
- Basic peripherals
- System and auxiliary timers
- IWDG/WWDG watchdog, AWU, ITC
- Reset and supply management
- Multiple low-power modes (wait, slow, auto-wakeup, Halt) with
user-definable clock gating
- Low consumption power-on and power-down reset
- I/O
- 12 multifunction bidirectional GPIO with highly robust design,
immune against current injection
- 6 fast digital input DIGIN, with configurable pull-up
- Communication interfaces
- UART asynchronous with SW flow control
- I2C master/slave fast-slow speed rate
- Operating temperature
- -40°C up to 105°C
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