High-efficiency power management ASIC for hearing aids
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To follow the green energy requirements and to implement an optimal battery use, ICsense’s power management experts have implemented a high-efficiency power management ASIC for hearing aids. The ASIC enables the use of both single and stacked ZnO2 and Li-Ion batteries to power the audio capture chain, a class D audio driver chain and the digital audio processing.
Features:
- Versatile high-efficiency buck/boost DC-DC converter
- Battery safety features and low leakage
- Audio capture chain (amps and 12-bit ADC)
- Audio quality class D output driver
- Low power consumption
- 0.18um technology
- Temperature range 20°C to 42°C