MAX15158A

High-Voltage Multiphase Boost Controller

Multiphase Boost Controller Designed for High Power Boost/Inverting Buck-Boost Configurations up to Quad - Phases


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说明

MAX15158/MAX15158A is a high-voltage multiphase boost controller designed to support up to two MOSFET drivers and four external MOSFETs in single-phase or dual-phase boost/inverting-buck-boost configurations. Two devices can be stacked up for quad-phase operation. The output voltage of MAX15158 can be dynamically set through the 1V to 2.2V reference input (REFIN) for modular design support. For MAX15158A the REFIN pin is removed, and the internal 2.0V reference voltage is selected by default.

The switching frequency is controlled either through an external resistor setting the internal oscillator or by synchronizing the regulator to an external clock. The device is designed to support 120kHz to 1MHz switching frequencies. The controller has a dedicated enable/input undervoltage-lockout (EN/UVLO) pin to configure for flexible power sequencing.

MAX15158/MAX15158A has a dedicated RAMP pin to adjust internal slope compensation. The device features adjustable overcurrent protection. The device incorporates current sense amplifiers to accurately measure the current of each phase across external sense resistors to implement accurate phase current sharing. The controller is also protected against output overvoltage, input undervoltage and thermal shutdown.

The device is available in 5mm x 5mm, 32-pin TQFN package and supports -40°C to 125°C junction temperature range.

MAX15158, MAX15158A: Block Diagram MAX15158, MAX15158A: Block Diagram 放大+

关键特性

  • Wide Operating Range
    • 8V to 76V Input Voltage Range for Booost Configuration and -8V to -76V Input Voltage Range for Inverting-Buck-Boost Configuration
    • 3.3V to 60V Output Voltage Range on the Top of Input Voltage
    • 120kHz to 1MHz Switching Frequency Range
    • -40°C to +125°C Temperature Range
    • Single/Dual/Quad-Phase Operation
    • Active Phase Current Balance Control
  • Integration Reduces Design Footprint
    • Internal LDO for Bias Supply Generation
    • Multiphase Multiple Controller Synchronization and Interleave
    • Output Voltage Sense Level Shifter
  • Robust Fault Protection Improves Quality and Reliability
    • Adjustable Input Undervoltage Lockout
    • Adjustable Cycle-by-Cycle Peak Current Limit and Fast Overcurrent Protection
    • Selectable Feedback Overvoltage Protection
    • Thermal Shutdown
  • Flexible and Simple System Design
    • Adjustable Slope Compensation
    • Low-Side MOSFET Gate Monitoring for Accurate Current Sensing
    • Discontinuous-Conduction-Mode Operation is Supported When Using a Diode in Place of the High-Side MOSFET
  • Small 5mm x 5mm TQFN Package, 0.5mm Pitch

应用

  • 汽车
  • 通信
  • 工业

MAX15158AEVKIT: Evaluation Kit for the MAX15158/MAX15158A/MAX15158Z
MAX15158EVKIT: Evaluation Kit for the MAX15158/MAX15158A/MAX15158Z

工具和模型

  • EE-Sim: MAX15158A 设计和仿真
  • 申请可靠性报告: MAX15158A 
    型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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