VT1697SB

Smart Slave IC with Integrated Current and Temperature Sensors

High-Current, Smart-Slave IC with Integrated Current and Temperature Sensors


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说明

The VT1697SB is a feature-rich smart slave IC designed to work with Maxim’s seventh-generation masters to implement a high-density multiphase voltage regulator. Up to six smart slave ICs, plus a master IC, provide a compact synchronous buck converter that includes accurate individual phase-current and temperature reporting via SMBus/PMBus. This smart slave device includes protection circuits for overtemperature, VS short, all power supplies UVLO faults and main power supply OVLO fault. If a fault is detected, the slave IC will immediately shut down and send a fault signal to the master IC.

Monolithic integration and advanced packaging technologies allow practical per-phase, high switching frequencies with significantly lower losses than alternative implementations. Smart slave devices are designed to support phase-shedding and DCM modes for efficiency optimization over a wide range of load currents. High per-phase current-capability designs with low COUT enable a design with fewer phases and a smaller footprint.

The VT1697SB is packaged in a QFN package with exposed top-side thermal pads. Top-side cooling allows improved heat transfer to ambient and reduces PC board and component temperatures.
VT1697SB: Basic Application Circuit VT1697SB: Basic Application Circuit 放大+

关键特性

  • High Per-Phase Current Capability
  • Footprint < 1600mm2 for a 150A VR
  • Precise Temperature Monitoring and Reporting through a Master Controller IC SMBus
  • Accurate Per-Phase Current Reporting Using a Master Controller IC
  • Top-side Cooling Allows Improved Heat Transfer to Ambient
  • Supplies UVLO/OVLO, Bootstrap Voltage UVLO, VX Short Protection
  • Overcurrent Protection
  • Overtemperature Protection—Fast Shutdown
  • Switching Frequency 300KHz—1.3MHz
  • Compatible With Coupled Inductor

应用

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Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
IOUT1
(A)
Switch TypeSynchronous SwitchingDC-DC OutputsOper. Freq.
(kHz)
Package/PinsBudgetary
Price
minmaxminmaxSee Notes
VT1697SB 8.51401455InternalYes11300
FCQFN/16
$4.25 @1k
查看所有Step-Down Switching Regulators (367)
Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。


MAX20751S1VKIT: MAX20751/VT1697SB评估板

CAD Symbols and Footprints

  • VT1697SBFQ
  • VT1697SBFQX
  • 型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

    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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