概要
説明
The ISL6255EVAL2Z (QFN) evaluation kit includes all the circuitry needed to demonstrate the capabilities of the ISL6255 lithium-ion battery charger.
The ISL6255 is a highly integrated battery charger controller for Li-ion and Li-ion polymer batteries. High efficiency is achieved by a synchronous buck topology and the use of a MOSFET, instead of a diode, for selecting power from the adapter or battery. The low-side MOSFET emulates a diode at light loads to improve the light load efficiency and prevent system bus boosting.
特長
- ±0.5% charge voltage accuracy (-10 °C to +100 °C)
- ±3% accurate input current limit
- ±3% accurate battery charge current limit
- ±25% accurate battery trickle charge current limit (ISL6255A)
- Programmable charge current limit, adapter current limit and charge voltage
- Fixed 300kHz PWM synchronous buck controller with diode emulation at light load
- Output for current drawn from AC adapter
- AC adapter present indicator
- Fast input current limit response
- Input voltage range 7V to 25V
- Supports 2, 3 and 4-cell battery packs
- Up to 17.64V battery voltage set point
- Control adapter power source select MOSFET
- Thermal shutdown
- Aircraft power capable
- DC adapter present indicator
- Battery discharge MOSFET control
- Less than 10µA battery leakage current
- Support pulse charging
- Charge any battery chemistry: Li-ion, NiCd, NiMH, etc.
- Pb-free plus anneal available (RoHS compliant)
アプリケーション
アプリケーション
- Notebook, desknote and sub-notebook computers
- Personal digital assistants (PDAs)
設計・開発
ソフトウェア／ツール
ソフトウェア／ツール
| Software title
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Software type
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会社名
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| iSim:PEオフラインシミュレーションツール iSim Personal Edition（iSim：PE）は、プロジェクトの早い段階で設計サイクルを速め、プロジェクト初期のリスクを低減し、現在のみならず次世代の設計に耐えうる部品を選定します。
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Simulator | ルネサス |
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モデル
Processing table
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- Cart icon to the right of the chip icon: Indicates that samples are available for this product