2.0A, 2-4 节锂电池开关式充电管理芯片

VAS5176 是一款 8.5V-24V输入,高度集成的开关型锂离子/聚合物电池充电芯片, 以高精度调节 2A充电电流,和电池电压。它密切监测电池组的温度只在设置安全温度范围下允许充电,还提供电池检测、预充电调节、充电饱充和充电状态指示等功能。 热反馈调节可降低充电电流并维持芯片内部温度以不超过 125°C 的条件下工作,如果结温超过 155°C,它将进行过热关断保护,停止工作以确保可靠度。VAS5176 适合 2-4 节电池充电,它集成 24V 耐压,低导通组抗的 N-型场效应晶体管以 1.0MHZ 同步降压管理实现高效率的锂电池充电并简化外围电路设计。 VAS5176 封装为 SOP8-e • 1MHz 同步降压调节 •MOS 集成 •可编程(Max.2A)恒流充电 •2-4 节电池供电 •8.5~24V 工作电压范围 •高达 93%的效率 •内部软启动 •内部环路补偿 •多重保护      输出短路保护;过温度保护;电池过电压保护（ BOVP）      充电定时器;热反馈调节@Tj=125C; •充电状态指示 •精确度±1% 电池电压调节(CV);±10% 充电电流调节(CC);

Chip-Lead

奇力科技

Low-Power, Serial, 12-Bit DACs with Voltage Output

General Description The MAX5174/MAX5176 low-power, serial, voltage-output, 12-bit digital-to-analog converters (DACs) feature a precision output amplifier in a space-saving 16-pin QSOP package. The MAX5174 operates from a single +5V supply, and the MAX5176 operates from a single +3V supply. Both

文件：255.17 Kbytes 页数：16 Pages

MAXIM

美信

Low-Power, Serial, 12-Bit DACs with Voltage Output

General Description The MAX5174/MAX5176 low-power, serial, voltage-output, 12-bit digital-to-analog converters (DACs) feature a precision output amplifier in a space-saving 16-pin QSOP package. The MAX5174 operates from a single +5V supply, and the MAX5176 operates from a single +3V supply. Both

文件：255.17 Kbytes 页数：16 Pages

MAXIM

美信

3V W-CDMA POWER 1900MHZ/ 3V LINEAR POWER AMPLIFIER

Product Description The RF5176 is a high-power, high-efficiency linear amplifier IC targeting 3V handheld systems. The device is manufactured on an advanced Gallium Arsenide Hetero junction Bipolar Transistor (HBT) process, and has been designed for use as the final RF amplifier in 3V CDMA-2000

文件：169.89 Kbytes 页数：6 Pages

RFMD

威讯联合