6 + 3 通道 DSC/DV 功率管理单元 + 锂离子电池充电器

RT5021 是用于数码相机和其它掌上型设备的完整电源供应方案，其中包含了多个通道的 DC/DC 功率转换单元、一组单节锂离子电池线性充电线路、一个充电器检测器和一个 I²C 控制接口。功率转换单元包括了一路同步升压转换器（ CH1 ）、一路同步升压/降压转换器（ CH2 ）、三路同步降压转换器（ CH3/4/5 ）、两路输入电压可以低达 1.5V 的低压差线性稳压器（ CH6/8 ）、一路可工作在高压同步升压模式或低压电流调节器模式的 WLED 驱动器和一路供 RTC 应用使用的常通低压差线性稳压器，所有这些转换器都包含内部频率补偿功能并集成了功率 MOSFET 。功率 • 功率转换单元\n• CH2：同步升压/降压电路►支持高达 1A 的负载，DVS，高达95%的效率，PSM/PWM 模式可选\n• CH5：同步降压电路►支持高达 0.6A 的负载，高达95%的效率，最大责任周期为100%►输出电压可从默认值中进行选择或有外部网络进行设定\n• CH7：WLED 驱动器，可工作在同步升压模式或电流调节器模式►升压模式下具有 LED 开路保护功能（ OVP 电压为 16V 或 25V，可经由 I2C 寄存器进行选择►升压模式下可驱动2~6只 WLED ，同时具有断开连接的功能►针对单只 WLED 的电流调节器模式►31级调光等级►由外部;

Channels DC/DC PMU with Li-ion Battery Charger

文件：1.27868 Mbytes Page：67 Pages

Channels DC/DC PMU with Li-ion Battery Charger

文件：1.27868 Mbytes Page：67 Pages

Crystal Oscillator Module ICs

OVERVIEW The SM5021 series are crystal oscillator module ICs fabricated in NPC’s Molybdenum-gate CMOS, that incorporate high-frequency, low current consumption oscillator and output buffer circuits. Highly accurate thin-film feedback resistors and high-frequency capacitors are built-in, eliminati

Crystal Oscillator Module ICs

OVERVIEW The SM5021 series are crystal oscillator module ICs fabricated in NPC’s Molybdenum-gate CMOS, that incorporate high-frequency, low current consumption oscillator and output buffer circuits. Highly accurate thin-film feedback resistors and high-frequency capacitors are built-in, eliminati

Crystal Oscillator Module ICs

OVERVIEW The SM5021 series are crystal oscillator module ICs fabricated in NPC’s Molybdenum-gate CMOS, that incorporate high-frequency, low current consumption oscillator and output buffer circuits. Highly accurate thin-film feedback resistors and high-frequency capacitors are built-in, eliminati

Crystal Oscillator Module ICs

OVERVIEW The SM5021 series are crystal oscillator module ICs fabricated in NPC’s Molybdenum-gate CMOS, that incorporate high-frequency, low current consumption oscillator and output buffer circuits. Highly accurate thin-film feedback resistors and high-frequency capacitors are built-in, eliminati

Crystal Oscillator Module ICs

OVERVIEW The SM5021 series are crystal oscillator module ICs fabricated in NPC’s Molybdenum-gate CMOS, that incorporate high-frequency, low current consumption oscillator and output buffer circuits. Highly accurate thin-film feedback resistors and high-frequency capacitors are built-in, eliminati