Dual High Side Switch with Adjustable Current Limit and Diagnostic Features

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Overview

The NCV47823 is designed for using in harsh automotive environments providing dual mode operation depending on the load impedance: High Side Switch (HSS) or Constant Current Source (CCS). In both modes of operation the current limit can be set up to 350 mA per channel by external resistor.

The device has a high peak input voltage tolerance and reverse input voltage, reverse bias, overcurrent and overtemperature protections. The integrated current sense feature (adjustable by resistor connected to CSO pin for each channel) provides diagnosis and system protection functionality. The CSO pin output current creates voltage drop across CSO resistor which is proportional to output current of each channel. Extended diagnostic features in OFF state are also available and controlled by dedicated input and output pins.

  • Audio and Infotainment System
  • Satellite Radio
  • Navigation
  • Instrument Cluster
  • Automotive
  • Two Independent Enable Inputs (3.3 V Logic Compatible)
  • Adjustable Current Limits: up to 350 mA
  • Diagnostic Features:
    Short to Battery and Open Load detection in OFF State
    Internal Components for OFF State Diagnostics
    Open Collector Flag Output
  • Reduced Inrush Current (current value set by external resistor only)
  • Protection:
    Current Limitation
    Thermal Shutdown
    Reverse Input Voltage and Reverse Bias Voltage
    Reduced Reverse Bias Current
  • Output Current per Channel: up to 250 mA
  • AEC−Q100 Grade 1 Qualified and PPAP Capable

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Product

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CAD Models

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Over Current - Shutdown (Y/N)

Over Current - Current Source (Y/N)

Current Limit (FIXED/ADJ/NO)

Over Voltage Protection (Y/N)

Reverse Current Blocking (Y/N)

FAULT Signal (Y/N)

PGOOD (Y/N)

UVLO (Y/N)

Rds(on) Typ (mΩ)

Max Current (A)

Output Discharge (Y/N)

IMON Output (Y/N)

Adjustable Slew Rate (Y/N)

Vin Min (V)

Vin Max (V)

Iq (µA)

eFuse / Hot Plug (Y/N)

Input / Output

Product Family

Reference Price

NCV47823PAAJR2G

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Active

CAD Model

Pb

A

H

P

TSSOP-14 EP

1

260

REEL

2500

Y

-

-

-

-

-

-

-

-

-

0.35

-

-

-

4.4

40

-

-

-

-

$1.285

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