5ba93f2c13
* Add detailed hardware info for Helios64 - Button - Ethernet - Front Panel - GPIO - I2C - Jumper - LED - M.2 - PMIC - PWM Fan - RTC - SATA - SPI - UEXT - UPS - USB * Cosmetic upgrade and adapt to latest mkdocs-material version Co-authored-by: nurix <nurix@pnsnc.local> Co-authored-by: Aditya Prayoga <aditya@kobol.io>
1.2 KiB
1.2 KiB
Power Management IC (PMIC)
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).
Features
- Input voltage range: 2.7V to 5.5V
- 2MHz Switching Frequency for bucks
- Current mode architecture for best transient performance
- Internal compensation and soft start
- I2C Programmable output levels and power sequencing
- Real time clock (RTC)
- High efficiency architecture
- Integrated Vout Discharge Circuit for BUCK and LDO
- Power:
- CH1: Synchronous Buck regulator, 5A max
- CH2: Synchronous Buck regulator, 5A max
- CH3: Synchronous Buck regulator, 3A max
- CH4: Synchronous Buck regulator, 2.5A max
- CH6,CH7,CH9,CH11: Linear regulators, 150mA max
- CH8: Low noise and high PSRR linear regulator,100mA max
- CH10,CH12,CH13: Linear regulators, 300mA max
- CH14: Low RDS switch, 0.2ohm@Vgs=3v
- CH15: Low RDS switch, 0.2ohm@Vgs=3v
- Flexible Power Sequence control