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LM1949 - Injector Drive Controller

Description

The LM1949 linear integrated circuit serves as an excellent control of fuel injector drive circuitry in modern automotive systems.

The IC is designed to control an external power NPN Darlington transistor that drives the high current injector solenoid.

Features

  • 1.
  • 2 Low Voltage Supply (3V.
  • 5.5V).
  • 22 mA Output Drive Current.
  • No RFI Radiation.
  • Adaptable to All Injector Current Levels.
  • Highly Accurate Operation.
  • TTL/CMOS Compatible Input Logic Levels.
  • Short Circuit Protection.
  • High Impedance Input.
  • Externally Set Holding Current, IH.
  • Internally Set Peak Current (4 × IH).
  • Externally Set Time-Out.
  • Can be Modified for Full Switching Operation.

📥 Download Datasheet

Datasheet preview – LM1949

Datasheet Details

Part number LM1949
Manufacturer Texas Instruments
File Size 883.97 KB
Description Injector Drive Controller
Datasheet download datasheet LM1949 Datasheet
Additional preview pages of the LM1949 datasheet.

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Full PDF Text Transcription

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LM1949 www.ti.com SNLS349C – FEB 1995 – REVISED MARCH 2013 LM1949 Injector Drive Controller Check for Samples: LM1949 FEATURES 1 •2 Low Voltage Supply (3V–5.
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