ISL9237 Overview
DATASHEET ISL9237 Buck-Boost Narrow VDC Battery Charger with SMBus Interface and USB OTG FN8723 Rev.5.00 Nov 29, 2017 The ISL9237 is a buck-boost Narrow Output Voltage DC (NVDC) charger utilizing Intersil’s advanced R3™ Technology to provide high light-load efficiency, fast transient response and seamless DCM/CCM transitions for a variety of mobile and industrial applications. In Charge mode, the ISL9237 takes input...
ISL9237 Key Features
- Buck-boost NVDC charger for 1-, 2- or 3-cell Li-ion batteries
- Input voltage range 3.2V to 23.4V (no dead zone)
- System output voltage 2.4V to 13.824V
- System power monitor PSYS output, IMVP-8 pliant
- Up to 1MHz switching frequency
- LDO output for charger VDD
- Adapter current monitor (AMON)
- Battery discharging current monitor (BMON)
- PROCHOT# open-drain output, IMVP-8 pliant
- Allows trickle charging of depleted battery
ISL9237 Applications
- Buck-boost NVDC charger for 1-, 2- or 3-cell Li-ion batteries
- Input voltage range 3.2V to 23.4V (no dead zone)
- System output voltage 2.4V to 13.824V