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
RK809 datasheet V1.01.pdf	pdf	PMIC Datasheet	V1.01	2018	EN
Rockchip RK809 Datasheet V1.5 20191009.pdf	pdf	PMIC Datasheet	V1.5	2019	EN
Rockchip RK809 Datasheet V1.7 20201014.pdf	pdf	PMIC Datasheet	V1.7	2020	EN