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New Semiconductor & Integrated Circuit Devices
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AMIS-30532
AMIS-30542
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Integrated Dual-Phase Stepper Motor Drivers with High Current Capability
- Dual H-bridge for 2-phase stepper motors with current capability up to 2.2 A continuous and 5 A peak
- Seven step modes, from full step to 32 micro-steps
- Sensorless end of line detection via the ‘speed and load angle’ output
NCP1631
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Interleaved, 2-Phase Power Factor Controller
- Two small stages, versus one large stage, shrinks component size, improves heat distribution; ideal for flat panel TVs and ultra-slim notebook adapters
- Frequency Clamped Critical Conduction mode and frequency foldback linearly lowers the clamping frequency as a function of power, optimizing efficiency across the load range
- 180° phase shifted outputs significantly reduce current ripple, which lowers EMI and reduces bulk capacitor rms current
More...
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