型号 | 下载 订购 | 功能描述 | 制造商 上传企业 | LOGO |
---|---|---|---|---|
MAX8819 | PMIC with Integrated Chargers and Smart Power Selector in a 4mm x 4mm TQFN 文件:485.18 Kbytes 页数:29 Pages | Maxim 美信 | Maxim | |
MAX8819 | 集成了充电器和智能电源选择器(Smart Power Selector™)的PMIC,4mm x 4mm TQFN封装 MAX8819_是用于MP3播放器及其它手持设备的完整电源方案。IC包含电池充电器、降压转换器和WLED电源。器件提供为IC供电的AC-DC适配器或USB端口的内部限流开关、1节锂离子(Li+)或锂聚合物(Li-Poly)充电器、3路降压转换器和一路用于驱动2-6个白光LED并带有串行亮度控制接口的升压转换器。芯片集成了所有用于充电和选择电池、外部电源为系统负载供电的开关,无需外部MOSFET。MAX8819C为OUT1、OUT2和OUT3提供上电/掉电排序。\n\n Maxim的智能电源选择器充分利用有限的USB或AC-DC适配器电源的功率,电池充电电流和输入电流门限可独立设置,在 • 智能电源选择\n• 能够在没有电池的情况下保持系统工作\n• USB/AC适配器、单节Li+充电器\n• 3路2MHz降压转换器\n• 95%峰值效率\n• 100%占空比\n• 整个负载/电源/工作温度范围内保持±3%的输出精度\n\n\n• 2至6个串联WLED驱动器,具有亮度控制\n• /REG1复位输出\n• 短路/过热/输入欠压/过压保护\n• 上电/掉电排序(MAX8819C)\n• 总方案尺寸小于90mm²; | ADI 亚德诺 | ADI | |
PMIC with Integrated Chargers and Smart Power Selector in a 4mm x 4mm TQFN 文件:452.42 Kbytes 页数:29 Pages | Maxim 美信 | Maxim | ||
PMIC with Integrated Chargers and Smart Power Selector in a 4mm x 4mm TQFN 文件:452.42 Kbytes 页数:29 Pages | Maxim 美信 | Maxim | ||
PMIC with Integrated Chargers and Smart Power Selector in a 4mm x 4mm TQFN 文件:485.18 Kbytes 页数:29 Pages | Maxim 美信 | Maxim | ||
PMIC with Integrated Chargers and Smart Power Selector in a 4mm x 4mm TQFN 文件:485.18 Kbytes 页数:29 Pages | Maxim 美信 | Maxim | ||
PMIC with Integrated Chargers and Smart Power Selector in a 4mm x 4mm TQFN 文件:485.18 Kbytes 页数:29 Pages | Maxim 美信 | Maxim | ||
PMIC with Integrated Chargers and Smart Power Selector in a 4mm x 4mm TQFN 文件:452.42 Kbytes 页数:29 Pages | Maxim 美信 | Maxim | ||
PMIC with Integrated Chargers and Smart Power Selector in a 4mm x 4mm TQFN 文件:452.42 Kbytes 页数:29 Pages | Maxim 美信 | Maxim | ||
PMIC with Integrated Chargers and Smart Power Selector in a 4mm x 4mm TQFN 文件:485.18 Kbytes 页数:29 Pages | Maxim 美信 | Maxim |
技术参数
- VIN (max)(V):
5.5
- Max. No. of LEDs:
6
- # LED Channels:
1
- Regulation Topology:
Inductor Based
- Battery Input:
1-Cell Li+
- LED Configuration:
Series
- ILED per Channel (max)(A):
0.03
- Dimming Ratio (max):
32
- Dimming Control:
Serial Pulse
- VCURR_SENSE(mV):
500
- POUT(W):
0.75
- ICC (max)(mA):
0.95
- LED String Volt. (max)(V):
24
- Fxd. Freq.:
Yes
- Switching Frequency(kHz):
1000
- Features:
Internal Switch
- Tags:
Backlight
- EV Kit Available:
Yes
- RoHS Available:
See Data Sheet
- Oper. Temp.(°C):
-40 to +85
- Package/ Pins:
TQFN/28
- Smallest Available Pckg. (max w/pins)(mm2):
16.8
- Budgetary Price (See Notes):
$4.12 @1k
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM |
22+ |
MSOP-10 |
3000 |
原装正品,支持实单 |
询价 | ||
MAXIM |
13+ |
QFN |
3738 |
原装分销 |
询价 | ||
MAXIM |
23+ |
QFN-28 |
8650 |
受权代理!全新原装现货特价热卖! |
询价 | ||
Maxim |
20+ |
原装 |
65790 |
原装优势主营型号-可开原型号增税票 |
询价 | ||
maxim |
20+ |
TQFP |
10000 |
全新原装 |
询价 | ||
MAXIM/美信 |
24+ |
TQFN |
25050 |
原厂支持公司优势现货 |
询价 | ||
Maxim Integrated |
24+ |
28-TQFN(4x4) |
65200 |
一级代理/放心采购 |
询价 | ||
Maxim |
1931+ |
N/A |
567 |
加我qq或微信,了解更多详细信息,体验一站式购物 |
询价 | ||
MAXIM(美信) |
2447 |
TQFN-28(4x4) |
105000 |
2500个/圆盘一级代理专营品牌!原装正品,优势现货, |
询价 | ||
MAXIM |
25+ |
QFN-28 |
1001 |
就找我吧!--邀您体验愉快问购元件! |
询价 |
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