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RK818中文资料
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
| 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 |
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Datasheet数据表PDF页码索引
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