ISL88739HRZ 88739HRZ 88739 QFN-32
Brand New ISL88739HRZ QFN-32 Chip
The ISL88739 is a highly versatile combo battery charger configurable for operating as either a Hybrid Power Boost (HPB) charger or a Narrow VDC (NVDC) charger, supporting 2-, 3- or 4- cell batteries. Both configurations allow the battery to work with the adapter together to supply the system load when it exceeds the adapter capability, referred to as system Turbo mode. HPB charger configuration reverse-boosts battery energy to system bus in order to help the adapter provide the system power in Turbo mode. NVDC charger configuration quickly turns on BGATE to enable the battery to help adapter provide the system power in Turbo mode.
- Configurable as HPB charger or NVDC charger
- Compliant with Intel PROCHOT# requirements
- Adapter current monitor and battery discharging current monitor - Uses NFET for all the switches - Supports removal of battery during Battery Learn mode - Actively controlled inrush current to prevent FET damage
- SMBus programmable settings and high accuracy
- Comprehensive protection features include - PROCHOT# indicator for system low voltage, adapter overcurrent, battery overcurrent or system overheating - Hardware-based adapter-current and battery-current limits - Supports sudden removal of battery in system Turbo mode
- 16 switching frequency options from 350kHz to 1MHz
- Low quiescent current
- SMBus and auto-increment I2C compatible
- Intersil Robust Ripple Regulator (R3™) modulation scheme provides excellent light-load efficiency and fast dynamic response
- 32 Ld 4x4mm2 QFN package
- Pb-free (RoHS compliant)
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