ISL9205D - Renesas

ISL9205D Li-ion Battery Charger

DATASHEET ISL9205, ISL9205A, ISL9205B, ISL9205C, ISL9205D Li-ion Battery Charger FN9252 Rev 4.00 Dec 20, 2018 The ISL9205, ISL9205A, ISL9205B, ISL9205C, and ISL9205D are integrated single-cell Li-ion or Li-polymer chargers capable of operating at an input voltage as low as 2.5V. The low operating voltage allows the charger to work with a variety of AC ada.

Features

• Complete charger for single-cell Li-ion/polymer batteries
• Integrated pass element and current sensor
• No external blocking diode required
• Low component count and cost
• 25mV voltage accuracy over-temperature and input voltage range
• 15mV voltage accuracy at room temperature
• Programmable charge current
• Programmable end-of-charge current (ISL9205)
• Charge current thermal foldback for thermal protection (Thermaguard)
• Trickle charge for fully discharged batteries
• Power presence and charge indications
• NTC interface (not available in some package options)
• Less than 3µA leakage c.