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.
| Features and Benefits |
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Applications |
- Buck-boost NVDC charger for 1-, 2-, or 3-cell Li-ion batteries
- Input voltage range: 3.2 V to 23.4 V (no dead zone)
- System output voltage: 2.4 V to 13.824 V
- System power monitor PSYS output, IMVP-8 compliant
- Up to 1 MHz switching frequency
- LDO output for charger VDD
- Adapter current monitor (AMON)
- Battery discharging current monitor (BMON)
- PROCHOT# open-drain output, IMVP-8 compliant
- Allows trickle charging of depleted battery
- Optional ASGATE FET control
- Ideal diode control in Turbo mode
- Supports OTG function for 2- and 3-cell batteries
- SMBus and auto-increment I2C compatible
- Two-level adapter current limit available
- Pb-free (RoHS compliant)
- Package 4 x 4 32 Ld QFN
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- Mobile devices with rechargeable batteries
- Industrial devices with rechargeable batteries
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