数字电源半桥充电器专用芯片

EG1155是一款专用于多功能大功率充电场合的数模混合芯片，采用LQFP64封装，集成纯数字3p3z算法，纯数字充电管理，串口通信模块，数字PWM模块，大电流MOS驱动器，比较器以及运算放大器。\n EG1155内部采用优化的纯数字3p3z恒压恒流双环路算法，单个PWM周期内完成运算，相较于传统的PID算法，大大提高了系统的动态响应速度，有利于减小功率元件的电压电流应力，提升产品的可靠性。\n EG1155内部集成纯数字充电管理系统，包括多段式充电策略，电压电流软启动，LED指示灯，电池检测激活，反接检测，过温保护与温度补偿，符合各类铅酸电池、锂电池充电器的行业标准要求。\ • 纯数字控制环路，3p3z优化算法，快速动态响应\n• 极少的外围硬件电路\n• 对称半桥PWM输出，工作频率50kHz\n• 集成两路串口通信模块，用于数据收发\n• 集成两路低侧MOS管驱动器，驱动能力±2A\n• 集成一路高速比较器，用于过载短路保护\n• 集成一路运算放大器，用于电流检测\n• 充电管理与保护功能： \n• 多段式充电策略；\n• 输出电压电流软启动；LED指示灯；\n• 电池检测与防反接保护；输入直流母线过压、欠压保护；\n• 风扇与继电器控制；过温保护与温度补偿；\n• 输出过载、短路保护；;

Melody LSIs

OVERVIEW The CF1155 series are CMOS melody LSIs that, together with a battery and piezoelectric buzzer, operate in one of 3 melody modes determined by input level or bonding options. They also feature an oscillator stop function in non-play mode and a variable pull-down resistance function that

Integrated Circuit Audio Power Amplifier, 5.8W

Description: The NTE1155 is an integrated circuit in a 10–Lead SIP type package designed for use as an audio power amplifier for car radio and car stereo applications Features: • Output Power: POUT = 5.8W (Typ) at VCC = 13.2V, RL = 4Ω, THD = 10 POUT = 9.2W (Typ) at VCC = 13.

PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE

DESCRIPTION The SC1155 is a synchronous-buck switch-mode controller designed for use in single ended power supply applications where efficiency is the primary concern. The controller is a hysteretic type, with a user selectable hysteresis. The SC1155 is ideal for implementing DC/DC converters nee

PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE

DESCRIPTION The SC1155 is a synchronous-buck switch-mode controller designed for use in single ended power supply applications where efficiency is the primary concern. The controller is a hysteretic type, with a user selectable hysteresis. The SC1155 is ideal for implementing DC/DC converters nee

Melody LSIs

OVERVIEW The SM1155 series are CMOS melody LSIs that, together with a battery and piezoelectric buzzer, operate in one of 3 melody modes determined by bonding options. They also feature an oscillator stop function in nonplay mode and a variable pull-down resistance function that responds to input