Applications

• Ultrabooks

• Notebook computers

• Tablet PCs

• Portable equipment with rechargeable batteries

Features

• ±0.5 system voltage accuracy (-10°C to +100°C)

• ±3 accurate input current limit (-10°C to +100°C)

• ±3 accurate battery charge current limit

• Variable switching frequency at light load conditions for

higher efficiency

• Fixed frequency operation at higher loads

- Fixed frequency mode can be forced by an external pin

• Trickle charge system for deeply discharged batteries

- Automatic trickle charge current (256mA)

- Holds minimum voltage to system

• SMBus 2-wire serial interface

• Default system voltage values for 2-cell, 3-cell or 4-cell

operation selected by an external pin

• Adapter in-rush FET control

• Adapter isolation FET control

• Battery short circuit protection

• Fast system-load transient response

• Monitor outputs

- Adapter and battery discharge current

- AC-adapter present indicator

• 11-bit max system voltage setting

• 7-bit min system voltage setting

• 6-bit charge current setting

- Over 8A battery charger current

• 6-bit adapter current setting

- Over 8A adapter current

• +9V to +22V adapter voltage range

• VOUT from 2.5V to 19V in 16mV increments

• High efficiency at loads < 0.5W for Energy Star 2013 and

ErP lot 6

- 250mW from adapter with 170mW to the load

• Turbo mode support

- Pulse-by-pulse response to limit adapter current

- BGATE on in Turbo mode

• Pb-Free (RoHS compliant)

ISL9520属于集成电路（IC） > 电池充电器。瑞萨科技有限公司制造生产的ISL9520电池充电器电池充电器 PMIC（电源管理集成电路）是元器件级产品系列，用于在电子设备中实现电池充电控制和充电管理功能。这些器件主要根据电池化学及其设计用于的电池数量来分类，可提供电化学电池和超级电容器安全充电所必需的电流或电压调节和监视功能。