Power management and audio circuit integrates handset power supplies, battery charging, audio conversion, and control functions in a 10 mm by 10 mm MAPBGA-247 package. The device includes four 500 mA buck switcher channels, a 350 mA boost switcher, multiple regulators, battery and charger monitoring, and power-control sequencing. Audio functions include microphone and receive amplifiers, a 13-bit voice codec, 13-bit stereo recording, and a 16-bit stereo DAC with dual SSI audio buses. Control is provided through dual SPI buses with 64 registers of 24-bit data, and the device supports USB FS/LS OTG, CEA-936-A carkit functions, a real-time clock, LED drivers, and a touchscreen interface. The specified ambient operating temperature range is -30 °C to +85 °C.
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| Function | Power management and audio circuit |
| Package | MAPBGA-247 |
| Package size | 10 x 10mm |
| Ambient operating temperature | -30 to +85°C |
| Operating junction temperature | -30 to +125°C |
| Charger input voltage absolute maximum | 20V |
| Battery voltage absolute maximum | 4.65V |
| Buck switcher output current | 500 per channelmA |
| Boost switcher output current | 350mA |
| Buck switcher output voltage range | 0.900 to 2.200V |
| ADC resolution | 10bit |
| Voice codec resolution | 13bit |
| Stereo DAC resolution | 16bit |
| SPI register count | 64 registers with 24-bit data fields |
| Audio bus count | Dual SSI audio buses |
| RTC crystal frequency | 32.768kHz |
| USB interface | FS/LS transceiver with OTG and CEA-936-A carkit support |
| Regulator output accuracy | ±3% |
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These are design resources that include the Freescale Semiconductor MC13783
Technical guide for battery management and charging using the MC13783, covering single, serial, and dual path configurations, detection logic, and SPI register settings.
