Automotive Li-Ion/Li Polymer Battery Charger Evaluation Board
The ISL78692EVAL1Z evaluation board is a complete platform used to evaluate the specifications and functionalities of the ISL78692 single-cell Li-ion or Li-polymer...
概要
説明
The ISL78692 is an integrated single-cell Li-ion or Li-polymer battery charger capable of operating with an input voltage as low as 2. 65V (cold crank case). This charger is designed to work with various types of AC adapters or a USB port. The ISL78692 operates as a linear charger when the AC adapter is a voltage source. The battery is charged in a CC/CV (constant current/constant voltage) profile. The charge current is programmable with an external resistor up to 1A. The ISL78692 can also work with a current-limited adapter to minimize the thermal dissipation. The ISL78692 features charge current thermal foldback to guarantee safe operation when the printed circuit board’s thermal dissipation is limited due to space constraints. Additional features include preconditioning of an over-discharged battery, an NTC thermistor interface for charging the battery in a safe temperature range and automatic recharge. The device is specified for operation in ambient temperatures from -40°C to +85°C and is offered in a 3x3mm thermally enhanced DFN package.
特長
- Complete charger for single-cell Lithium chemistry batteries
- Integrated power transistor and current sensor
- Reverse battery leakage 700nA
- 1% initial voltage accuracy
- Programmable CC current up to 1A
- Charge current thermal foldback
- NTC thermistor interface for battery temperature alert
- Accepts CV and CC types of adapters or USB bus power
- Preconditioning trickle charge
- Guaranteed to operate down to 2.65V after start-up
- Ambient temperature range: -40°C to +85°C
- AEC-Q100 qualified
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| 分類 | タイトル | 日時 |
| データシート | PDF 1.04 MB | |
| 製品変更通知 | PDF 133 KB | |
| その他資料 | PDF 293 KB | |
| ホワイトペーパー | PDF 158 KB | |
| 製品変更通知 | PDF 264 KB | |
| その他資料 | PDF 653 KB | |
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