30 lines
1.2 KiB
Markdown
30 lines
1.2 KiB
Markdown
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# Power Management IC (PMIC)
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The Rockchip RK808-D is a specially designed Power Management IC (PMIC) for the RK3399 System-on-Chip (SoC). The highly integrated device includes 4x buck DC-DC converters, 8x high performance LDOs, 2x low RDS switches, I2C interface, programmable power sequencing and an Real time clock (RTC).
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## Features
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* Input voltage range: 2.7V to 5.5V
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* 2MHz Switching Frequency for bucks
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* Current mode architecture for best transient performance
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* Internal compensation and soft start
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* I2C Programmable output levels and power sequencing
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* Real time clock (RTC)
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* High efficiency architecture
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* Integrated Vout Discharge Circuit for BUCK and LDO
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* Power:
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+ CH1: Synchronous Buck regulator, 5A max
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+ CH2: Synchronous Buck regulator, 5A max
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+ CH3: Synchronous Buck regulator, 3A max
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+ CH4: Synchronous Buck regulator, 2.5A max
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+ CH6,CH7,CH9,CH11: Linear regulators, 150mA max
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+ CH8: Low noise and high PSRR linear regulator,100mA max
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+ CH10,CH12,CH13: Linear regulators, 300mA max
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+ CH14: Low RDS switch, 0.2ohm@Vgs=3v
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+ CH15: Low RDS switch, 0.2ohm@Vgs=3v
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* Flexible Power Sequence control
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## Block Diagram
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