位置:RK818 > RK818详情

RK818中文资料

厂家型号

RK818

文件大小

3568.78Kbytes

页面数量

93

功能描述

Input range: 3.8V - 6V for USB input 2.7V - 4.5V for BAT input

数据手册

下载地址一下载地址二

生产厂商

ROCKCHIP

RK818数据手册规格书PDF详情

Feature

 Input range: 3.8V - 6V for USB input 2.7V - 4.5V for BAT input

 Switch mode Li-ion battery charger providing charging current up to 3A.

 Power path controller with 5A current path.

 Accurate battery fuel gauge.

 Real time clock RTC

 Low standby current of less than 40uA (at 32KHz clock frequency)

 2MHz switching frequency for the buck converters

 1MHz switching frequency for the boost converter

 Fast transient response due to the current mode architecture

 Internal frequency compensation and soft start

 Programmable output voltage and power up/down sequence through I2C interface

 Proprietary circuit architecture achieving high efficiency

 Internal discharge path in off state for BUCs and LDOs

 Power channels:

 Ch1: Synchronous buck converter, 4A max

 Ch2: Synchronous buck converter, 4A max

 Ch3: Synchronous buck converter, 2.5A max

 Ch4: Synchronous buck converter, 2.5A max

 Ch5: Synchronous boost converter, 2.5A max

 Ch6 7, Ch9 and Ch11: LDOs, 150mA max

 Ch8: Low noise, high PSRR LDO ,100mA max

 Ch10, 12,14: LDOs, 300mA max

 Ch13: LDO, 400mA max

 Ch15: Low Rdson switch,0.15ohm Vgs=3V

 Ch16: HDMI5V switch 80mA max

 Ch17 OTG switch 800mA max

 Fixed and programmable power up/down sequences

 Package: 7mmx7mm QFN68

更新时间:2025-12-2 17:40:00
供应商 型号 品牌 批号 封装 库存 备注 价格
ROCKCHIP
25+
QFN
15620
ROCKCHIP全新特价RK818-1即刻询购立享优惠#长期有货
ROCKCHIP
2025+
QFN
3800
原装进口价格优 请找坤融电子!
ROCKCHIP
1526
SMD
38
全新、原装
ROCKCHIP
18+
QFN
100
原装现货
ROCKCHIP/瑞芯微
22+
QFN-68
3220
原装正品,实单请联系
ROCKCHIP
23+
QFN
11200
原厂授权一级代理、全球订货优势渠道、可提供一站式BO
ROCKCHIP/瑞芯微
24+
BGA
6000
原装正品 假一罚十
ROCKCHIP/瑞芯微
2450+
QFN
6540
只做原装正品假一赔十为客户做到零风险!!
RockChip(瑞芯微)
25+
封装
500000
源自原厂成本,高价回收工厂呆滞
ROCKCHIP
23+
QFN
50000
全新原装正品现货,支持订货