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ISL9440CIRZ-T

ISL9440CIRZ-T

Manufacturer No:

ISL9440CIRZ-T

Description:

IC REG QUAD BUCK/LNR SYNC 32QFN

Datasheet:

Datasheet

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ISL9440CIRZ-T Specifications

  • Type
    Parameter
  • Supplier Device Package
    32-QFN (5x5)
  • Package / Case
    32-VFQFN Exposed Pad
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 85°C
  • Voltage - Supply
    4.5V ~ 24V
  • w/Sequencer
    No
  • w/Supervisor
    No
  • w/LED Driver
    No
  • Voltage/Current - Output 3
    Controller
  • Voltage/Current - Output 2
    Controller
  • Voltage/Current - Output 1
    Controller
  • Frequency - Switching
    600kHz
  • Number of Outputs
    4
  • Topology
    Step-Down (Buck) Synchronous (3), Linear (LDO) (1)
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Obsolete
  • Series
    -
The ISL9440CIRZ-T is a highly integrated power management IC (PMIC) chip designed for automotive applications. It offers several advantages and can be used in various scenarios, including:1. High Integration: The ISL9440CIRZ-T integrates multiple functions into a single chip, including a buck regulator, linear regulator, and watchdog timer. This high level of integration reduces the overall component count and board space required, making it suitable for space-constrained automotive applications.2. Wide Input Voltage Range: The chip supports a wide input voltage range of 3.5V to 40V, allowing it to handle various automotive power supply voltages. This flexibility makes it suitable for use in different vehicle systems, such as infotainment systems, instrument clusters, and advanced driver-assistance systems (ADAS).3. Efficient Power Conversion: The buck regulator in the ISL9440CIRZ-T provides high-efficiency power conversion, enabling optimal power delivery to the load while minimizing power losses. This efficiency is crucial in automotive applications where power consumption needs to be optimized for battery life and thermal management.4. Robust Protection Features: The chip incorporates various protection features, including overvoltage protection (OVP), undervoltage lockout (UVLO), overcurrent protection (OCP), and thermal shutdown. These protections ensure the safety and reliability of the system, protecting both the chip and the connected components.5. Automotive-Grade Reliability: The ISL9440CIRZ-T is designed and manufactured to meet the stringent requirements of the automotive industry. It is qualified for operation in harsh automotive environments, including extended temperature ranges, high-voltage transients, and electromagnetic interference (EMI).Application scenarios for the ISL9440CIRZ-T include:1. Automotive Infotainment Systems: The chip can be used to power various components of infotainment systems, such as head units, displays, audio amplifiers, and connectivity modules. Its high integration and wide input voltage range make it suitable for these complex systems.2. Instrument Clusters: The ISL9440CIRZ-T can power the display, backlighting, and other components of automotive instrument clusters. Its protection features ensure reliable operation, while its efficiency helps optimize power consumption.3. ADAS and Autonomous Driving Systems: Advanced driver-assistance systems and autonomous driving systems require multiple power supplies for various sensors, cameras, and processing units. The ISL9440CIRZ-T can provide efficient power conversion and protection for these critical components.4. Lighting Systems: The chip can be used to power automotive lighting systems, including exterior lighting (headlights, taillights) and interior lighting. Its wide input voltage range and protection features make it suitable for these applications.Overall, the ISL9440CIRZ-T offers a compact, efficient, and reliable solution for power management in automotive applications, enabling the development of advanced and robust vehicle systems.
ISL9440CIRZ-T Relevant information