2013年10月30日星期三

Analogue / Linear / Mixed Signal ICs ON Semi voltage controllers are AEC-qualified

Analogue / Linear / Mixed Signal ICs ON Semi voltage controllers are AEC-qualified

2013/10/29

ONSPR2688_NCV8876_LRESON Semiconductor has introduced two AEC-qualified ICs with wide input voltage operational temperature ranges for  use in automotive powertrain and in-cabin systems.

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 minimised.

The NCV896530 2.1MHz switching frequency dual channel step-down DC-DC converter is targeted at the sophisticated driver assistance systems now being incorporated into modern vehicles.

Both of its channels are externally adjustable (covering 0.9V to 3.3V) and can source currents up to 1600mA.

The NCV8876 and NCV896530 both support a junction temperature range of−40 °C to 150 °C.

The NCV8876 is offered in an SOIC-8 package and the NCV896530 is enclosed in a DFN-10 package.



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