PW5100 是一款高效率、低功耗、低纹波、高工作频率的 PFM 同步升压 DC/DC 变换器。
输出电压可以进行内部调节,实现从 3.0V 至 5.0V 的固定输出电压, 调节步进为 0.1V。
PW5100 仅需要三个外围元件,就可将低输入电压升压到所需的工作电压。系统的工作频
率高达 1.2MHz, 支持小型的外部电感器和输出电容器, 同时又能保持超低的静态电流
The PW4556 series of devices are highly integrated Li-Ion and Li-Pol linear chargers targeted
at small capacity battery for portable applications. It is a complete constant-current/ constant
The PW4554 is a cost-effective, fully integrated high input voltage single-cell Li-ion battery charger.
The charger uses a CC/CV charge profile required by Li-ion battery. The charger accepts a
PW4203 is a 4.5-22V input, 2A multi-cell synchronous Buck Li-Ion battery charger, suitable for
portable application. Select pin is convenient for multi-cell charging. 800 kHz synchronous buck
PW4200 系列芯片是使用 CMOS 技术开发的高精度、低功耗、 小封装电压检测芯片。检测电压
在小温度漂移的情况下保持极高的精度
2022-02-11 06:30:01
下载 9
查看 5,275
PW4065 是一款完整的单节锂电池充电器,带电池正负极反接保护、 输入电源正负极反接保护的芯片,兼容大小 3mA-600mA 充电电流。 PW4065 可以适合 USB 电源和适配器电源工作。由于采用了内部 PMOSFET 架构,加上防倒充电路,所以不需要外部检测电阻器和隔离二极管。热反馈可对充电电流进行自动调节,以便在大功率操作或高环境温度条件下对芯片温度加以限制。充满电压可分为两档:
The PW4055 is a complete constant-current /constant-voltage linear charger for single cell lithiumion batteries.Its ThinSOT package and low external component count make the PW4055 ideally
suit
PW4054 是一款性能优异的单节锂离子电池恒流/恒压线性充电器。PW4054 适合给 USB 电源以及适配器电源供电。基于特殊的内部 MOSFET 架构以及防倒充电路, PW4054 不需要外接检测电阻和隔离二极管。当外部环境温度过高或者在大功率应用时,热反馈可以调节充电电流以降低芯片温度。充电电压固定在 4.2V,而充电电流则可以通过一个电阻器进行外部设置。当充电电流在达到最终浮充电压之
PW4053 是一款 5V 输入,最大 1.2A 充电电流,支持三节锂离子电池的升压充电管理 IC。
PW4053 集成功率 MOS,采用异步开关架构,使其在应用时仅需极少的外围器件,可有效减少整体方案尺寸,降低 BOM 成本。 PW4053 的升压开关充电转换器的工作频率为 500KHz,转换效率为90%。
PW4053 输入电压为 5V,内置自适应环路,可智能调节充电电流
The PW3467 uses advanced trench technology to provide excellent RDS(ON), low gate charge and
operation with gate voltages as low as 4.5V. This device is suitable for use as a Battery protection
The PW3428 uses advanced trench technology to provide excellent RDS(ON), low gate charge and
operation with gate voltages as low as 4.5V. This device is suitable for use as a Battery protection
The PW3407 uses advanced trench technology to provide excellent RDS(ON), low gate charge and
operation with gate voltages as low as 4.5V. This device is suitable for use as a Battery protection
The PW3400A uses advanced trench technology to provide excellent RDS(ON), low gate charge and
operation with gate voltages as low as 2.5V. This device is suitable for use as a Battery protectio
The PW3130 series product is a high integration solution for lithium-lion/polymer battery
protection.PW3130 contains advanced power MOSFET, high-accuracy voltage detection circuits and
dela
PW2906 是一款高效 、 高压降压型 DC-DC 转换器,固定 150KHz 开关频率,可提供最高 0.6A输出电流能力,低纹波,出色的线性调整率与负载调整率。
PW2906 内置固定频率振荡器与频率补偿电路,简化了电路设计。 PWM 控制环路可以调节占空比从 0~100%之间线性变化。
PW2906 输出 5V 时最大 0.6A 输出电流, 输出 15V 时最大 0.3
PW2902 是一款支持宽电压输入的开关降压型 DC-DC,芯片内置 100V/5A 功率 MOS,最高输入电压 90V。 PW2902 具有低待机功耗、高效率、低纹波、优异的母线电压调整率和负载调整率等特性。支持大电流输出,输出电流可达 2A 以上。 PW2902 同时支持输出恒压和输出恒流功能。
PW2902 采用固定频率的 PWM 控制方式,典型开关频率为 140KHz。轻载时
The PW2606B is a front-end over voltage and over current protection device. It achieves wide input
voltage range from 2.5VDC to 40VDC. The over voltage threshold can be programmed externally or
The PW2601 is a charger front-end integrated circuit designed to provide protection to Li-ion
batteries from failures of charging circuitry. The device monitors the input voltage, battery volta
The PW2337 uses advanced trench technology to provide excellent RDS(ON), low gate charge
and operation with gate voltages as low as 4.5V. This device is suitable for use as a Battery protection
PW2330 develops a high efficiency synchronous step down DC-DC converter capable of delivering
3A output current. PW2330 operates over a wide input voltage range from 4.5V to 30V and
integra