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Maxim产品 - MAX1647介绍

MAX1647 - 与化学类型无关的电池充电控制器

MAX1647是Maxim美信半导体公司的一款电池管理产品，MAX1647是与化学类型无关的电池充电控制器，本站介绍了MAX1647的封装应用图解、特点和优点、功能等，并给出了与MAX1647相关的Maxim元器件型号供参考。

MAX1647 - 与化学类型无关的电池充电控制器 - 电池管理 - SBS 2级智能电池充电器，带有SMBus接口 - 美信半导体

产品概述

The MAX1647/MAX1648 provide the power control necessary to charge batteries of any chemistry. In the MAX1647, all charging functions are controlled through the Intel® System Management Bus (SMBus™) interface. The SMBus 2-wire serial interface sets the charge voltage and current, and provides thermal status information. The MAX1647 functions as a level 2 charger, compliant withthe Duracell®/Intel Smart Battery Charger Specification. The MAX1648 omits the SMBus serial interface, and instead sets the charge voltage and current proportional to the voltage applied to external control pins.

In addition to the feature set required for a level 2 charger, the MAX1647 generates interrupts to signal the host when power is applied to the charger or a battery is installed or removed. Additional status bits allow the host to check whether the charger has enough input voltage, and whether the voltage on or current into the battery is being regulated. This allows the host to determine when lithium-ion batteries have completed charge without interrogatingthe battery.

The MAX1647 is available in a 20-pin SSOP with a 2mm profile height. The MAX1648 is available in a 16-pin SO package.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • Charges Any Battery Chemistry: Li-Ion, NiCd, NiMH, Lead Acid, etc.
  • Intel SMBus 2-Wire Serial Interface (MAX1647)
  • Intel/Duracell Level 2 Smart Battery Compliant (MAX1647)
  • 4A, 2A, or 1A Maximum Battery-Charge Current
  • 11-Bit Control of Charge Current
  • Up to 18V Battery Voltage
  • 10-Bit Control of Voltage
  • ±0.75% Voltage Accuracy with External ±0.1% Reference
  • Up to 28V Input Voltage
  • Battery Thermistor Fail-Safe Protection
    • 热门应用
  • 充电站
  • 笔记本电脑
  • PDA及其它手持设备
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