Power Regulation, Conversion and Management – NCV8876: Automotive Grade Power Management

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NCV8876: Automotive Grade Power Management
Running off a 2V to 44V input voltage, the NCV8876 non-synchronous boost controller with automatic wake-up and shutdown functions is designed to supply a minimum output voltage during start-stop conditions in order to counteract any sag in the vehicle’s battery voltage. The NCV8876 is enabled when the supply voltage drops below 7.2V, then boost operation is initiated once this voltage goes under 6.8V, with the IC driving an external N-channel MOSFET. A quiescent current of just 11µA is drawn when the device is in sleep mode so that power consumption is minimized.
FEATURES
• Automatic enable below 7.3V (factory programmable)
• 2% output accuracy over-temperature range
• Externally adjustable frequency operation
• Hiccup mode overcurrent protection
• Thermal shutdown
• Boost mode operation at 6.8V
• Peak current mode control with internal slope compensation
• 45V load dump with cycle-by-cycle current limit protection
• SOIC-8 package
• 3k MSRP: $0.90 US

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