Simple Current-Limited Switch-Mode Li Charger Controller

General Description The low-cost MAX1873R/S/T provides all functions needed to simply and efficiently charge 2-, 3-, or 4- series lithium-ion cells at up to 4A or more. It provides a regulated charging current and voltage with less than ±0.75 total voltage error at the battery terminals. An exter

简单的限流型开关模式Li+充电控制器

低成本的MAX1873R/S/T提供了简单、高效地为2、3、4节串联锂电池充电所需要的全部功能，充电电流可达4A或更高。它能够以低于±0.75%的总计电压误差(电池端)提供稳定的充电电流和电压。在这一低成本设计中，利用由外置P沟道MOSFET组成的开关降压电路对电池高效充电。\n\n MAX1873R/S/T利用两个同时工作的控制环路平滑地在电压和电流调制间过渡调节电池电压和充电电流。另包括一控制回路限制输入电源电流，这样就可以减小AC适配器的体积和成本开销。正比于充电电流的模拟电压输出使得可以使用ADC或是微控制器监控充电电流。\n\n MAX1873也可以用做高 • 低成本和简单的电路\n• 给2、3、4节串联锂电池充电\n• 有AC适配器输入电流限制回路\n• 也可以用于镍基电池充电\n• 模拟输出监控充电电流\n• ±0.75%电池电压调节\n• 5µA关断电池电流\n• 高达28V的输入电压\n• 200mV压差/100%占空比\n• 可调节充电电流 \n• 300kHz PWM振荡器以减少噪声\n• 节省空间的16引脚QSOP封装\n• MAX1873评估板可以加快设计;

Simple Current-Limited Switch-Mode Li Charger Controller

General Description The low-cost MAX1873R/S/T provides all functions needed to simply and efficiently charge 2-, 3-, or 4- series lithium-ion cells at up to 4A or more. It provides a regulated charging current and voltage with less than ±0.75 total voltage error at the battery terminals. An exter

Simple Current-Limited Switch-Mode Li Charger Controller

General Description The low-cost MAX1873R/S/T provides all functions needed to simply and efficiently charge 2-, 3-, or 4- series lithium-ion cells at up to 4A or more. It provides a regulated charging current and voltage with less than ±0.75 total voltage error at the battery terminals. An exter

Simple Current-Limited Switch-Mode Li Charger Controller

General Description The low-cost MAX1873R/S/T provides all functions needed to simply and efficiently charge 2-, 3-, or 4- series lithium-ion cells at up to 4A or more. It provides a regulated charging current and voltage with less than ±0.75 total voltage error at the battery terminals. An exter

封装/外壳：16-SSOP（0.154"，3.90mm 宽） 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC BAT CHG MULT-CHEM 2CEL 16QSOP 集成电路（IC） 电池充电器

封装/外壳：16-SSOP（0.154"，3.90mm 宽） 包装：卷带（TR） 描述：IC CNTRLR CHARGE LI+ 16-QSOP 集成电路（IC） 电池充电器

N-CHANNEL MOS FIELD EFFECT TRANSISTOR FOR SWITCHING

DESCRIPTION The µPA1873 is a switching device which can be driven directly by a 2.5 V power source. This device features a low on-state resistance and excellent switching characteristics, and is suitable for applications such as power switch of portable machine and so on. FEATURES • 2.5 V driv

Dual 550kHz Synchronous 2-Phase Switching Regulator Controller with 5-Bit VID

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