Converters | NCV8855

Quad-Output Automotive System Power Supply with Integrated High Side 2 A Switch

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Overview

The NCV8855 is a multiple output controller / regulator IC with an integrated high-side load switch. The NCV8855 addresses automotive radio system and instrument cluster power supply requirements. In addition to the high-side load switch, the NCV8855 includes a switch-mode power supply (SMPS) buck controller, a 2.5 A SMPS buck regulator and two low dropout (LDO) linear regulator controllers. The NCV8855 in combination with the ultra-low quiescent current NCV861x IC forms an eight-output automotive radio or instrument cluster power solution. The NCV8855 has an internally set switching frequency of 170, with a SYNC pin for external frequency synchronization. The NCV8855 is intended to supply power to various loads, such as a tuner, CD logic, audio processor and CD / tape control within a car radio. The high-side switch can be used for a CD / tape mechanism or switching an electrically-powered antenna or display unit. In an instrument cluster application, the NCV8855 can be used to power graphics display, flash memory and CAN transceivers. In addition, the high-side switch can be used to limit power to a TFT display during a battery over-voltage condition.

  • Radio
  • Instrument Cluster
  • Infotainment

  • Automotive systems

  • < 1 µA Shutdown Current
  • Meets ES-XW7T-1A278-AB Test Pulse G Loaded Conditions
  • VIN Operating Range 9.0 to 18.0 V
  • 1 SMPS Controller with Adjustable Current Limit
  • 1 SMPS Regulator with Internal 300 mΩ NMOS Switch
  • 2 LDO Controllers with Current Limit and Short Circuit Protection
  • 1 High-side Load Switch with Internal 300 mΩ NMOS FET
  • Adjustable Output Voltage for All Controllers / Regulators
  • 800 mV, ±1% Reference Voltage

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NCV8855BMNR2G

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QFN-40

488AR

1

260

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2500

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