2x Intersil ISL88732HRTZ ISL88732 88732 SMBus Level 2 Battery Charger IC
£4.99
Condition: New
Quantity: 2 Pieces
Out of stock
KEY FEATURES
-   Boost Mode to support Intel “Turbo Mode”
- Â Â Pin compatible with ISL88731
- Â Â Over-temp and overcurrent protection
- Â Â 0.5% battery voltage accuracy
- Â Â 4% adapter current limit accuracy
- Â Â 3% charge current accuracy
- Â Â SMBus 2-wire serial interface
- Â Â Charge current limited by SMBus DAC OR analog voltage at the CCLIM pin
- Â Â Turbo-boost discharge current limit can be set to 3.3x, 4.85x, 6.37x or 9.31x the charge current limit by SMBus command
- Â Â Monitor outputs
- Â Â Adapter current (3% accuracy)
- Â Â Adapter overcurrent ALERT#. Threshold set by resistor divider
- Â Â AC-adapter detection
- Â Â 11-bit battery voltage setting
- Â Â 6-bit charge current/adapter current setting
- Â Â 8A maximum battery charger current
The ISL88732 is a highly integrated Lithium-ion battery charger controller, programmable over the SMBus system management bus (SMBus). The ISL88732 is intended to be used in a smart battery charger (SBC) within a smart battery system (SBS) that throttles the charge power such that the current from the AC-adapter is automatically limited. High efficiency is achieved with a DC/DC synchronous-rectifier buck converter, equipped with diode emulation for enhanced light load efficiency. The ISL88732 charges one to four Lithium-ion series cells, and delivers up to 8A charge current. Integrated MOSFET drivers and bootstrap diode result in fewer components and smaller implementation area. Low offset current-sense amplifiers provide high accuracy with 10mΩ sense resistors. The ISL88732 provides 0.5% end-of-charge battery voltage accuracy. The ISL88732 is available in a small 5mmx5mm 28 Ld Thin (0.8mm) QFN package.
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