Rockchip RK809 []

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===== Rockchip RK809 =====

**RK809**:
  * Input range: 2.7V - 5.5V
  * Low standby current of 35uA
  * Power channels:
    * BUCK1: 0.5V~2.4V, 2.5A max, very fast transient response
    * BUCK2: 0.5V~2.4V, 2.5A max, very fast transient response
    * BUCK3: 0.5V~2.4V (or resistor divider), 1.5A max, very fast transient response
    * BUCK4: 0.5V~3.4V, 1.5A max, very fast transient response
    * BUCK5: 1.5V~3.6V, 2.5 A max, fast transient response
    * LDO1~LDO2,LDO4~LDO9: 0.6V~3.4V, 400mA max
    * LDO3: high PSRR (75dB @ 1KHz), 0.6V~3.4V, 100mA max
    * Switch1: 2.1 A max, Rdson=90mΩ
    * Switch2: 2.1 A max, Rdson=100mΩ
    * OTP Programmable power up/down sequences and voltage
  * Accurate battery fuel gauge with two separate battery voltage and current ADC
    * 16 bits ADC for battery voltage, battery temperature, USB/SYS voltage sense
    * 16 bits ADC for battery current sense
    * OCV algorithm combine with Coulom-counter algorithm
  * Real time clock（RTC）
  * Audio System
    * Audio codec: 24bits for both ADC and DAC
    * Support single end or differential mode Micro-phone input
    * Support real ground class-AB PA to drive Head-phone, 32Ohm Load
    * Support class-D PA to drive speaker, 1.3W
    * Support I2S as the digital signal interface for both DAC and ADC
    * Support programmable digital and analog gains
    * Sample rate: 48KHz~192KHz
    * Integrates internal PLL
    * Support PDM mode(external input PCLK)
  * Package:7mmx7mm QFN68

Different power sequences:
  * RK809-1
  * RK809-2
  * RK809-3
  * RK809-5

^ link ^ ext ^ description ^ version ^ date ^ lang ^
| [[http://doc.inmys.ru/open?hash=bf68eac44464c0c96e66df1deb1b9d1f|RK809 datasheet V1.01.pdf]] | pdf | PMIC Datasheet | V1.01 | 2018 | EN |
| [[http://doc.inmys.ru/open?hash=61fe793bedd0a0e757ad96456a03298a|Rockchip RK809 Datasheet V1.5 20191009.pdf]] | pdf | PMIC Datasheet | V1.5 | 2019 | EN |
| [[http://doc.inmys.ru/open?hash=b56d315854d8f1360d0c6d279788734c|Rockchip RK809 Datasheet V1.7 20201014.pdf]] | pdf | PMIC Datasheet | V1.7 | 2020 | EN |

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