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ISL9441IRZ

ISL9441IRZ

Manufacturer No:

ISL9441IRZ

Description:

IC REG QUAD BUCK/LNR SYNC 32QFN

Datasheet:

Datasheet

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ISL9441IRZ 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
    300kHz
  • Number of Outputs
    4
  • Topology
    Step-Down (Buck) Synchronous (3), Linear (LDO) (1)
  • Packaging
    Tube
  • Product Status
    Obsolete
  • Series
    -
The ISL9441IRZ 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 ISL9441IRZ 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 lighting systems.3. High Efficiency: The buck regulator in the ISL9441IRZ offers high efficiency, enabling power conversion with minimal energy loss. This efficiency is crucial in automotive applications, where power consumption needs to be optimized to maximize battery life and reduce heat dissipation.4. Robust Protection Features: The chip incorporates various protection features, including overvoltage protection (OVP), undervoltage lockout (UVLO), overcurrent protection (OCP), and thermal shutdown. These protection mechanisms ensure the safety and reliability of the system, protecting it from voltage spikes, current surges, and excessive temperature.5. Automotive-Grade Reliability: The ISL9441IRZ is designed and manufactured to meet the stringent requirements of the automotive industry. It is qualified for operation in harsh automotive environments, including wide temperature ranges, high humidity, and vibration, ensuring long-term reliability.Application scenarios for the ISL9441IRZ 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 applications.2. Instrument Clusters: The ISL9441IRZ can power the electronic components of instrument clusters, including gauges, indicators, and displays. Its protection features and automotive-grade reliability ensure the safe and reliable operation of these critical systems.3. Exterior Lighting Systems: The chip can be used to drive LED-based exterior lighting systems, such as headlights, taillights, and turn signals. Its high efficiency and wide input voltage range make it suitable for these applications, where power consumption and voltage variations are important considerations.4. Body Control Modules: The ISL9441IRZ can power various functions in body control modules, including power windows, door locks, mirrors, and seat controls. Its high integration and protection features make it suitable for these applications, where space and reliability are crucial.Overall, the ISL9441IRZ offers advantages such as high integration, wide input voltage range, high efficiency, robust protection features, and automotive-grade reliability. These features make it a versatile choice for various automotive power management applications.
ISL9441IRZ Relevant information