PM7080A

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Smart power stage with current sensing, temperature monitor and fault reporting

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Product overview

Description

The PM7080A is an integrated power stage solution optimized for synchronous buck applications to offer high current, high efficiency, and high power density solution. Packaged in 5x6 mm QFN package, the PM7080A enables voltage regulator design to deliver above 110 A per phase peak current.

The internal power MOSFETs utilize state-of-the-art technology that delivers industry benchmark performance to significantly reduce switching and conduction losses. The PM7080A incorporates an advanced MOSFET gate driver IC that features high current diving capability, adaptive dead-time control and integrated bootstrap switch to enable high frequency switching up to 1.5MHz.

The device incorporates an innovative inductor current emulation algorithm with thermal compensation to achieve best-in-class reporting accuracy. It also includes a temperature monitor function with 2% accuracy. The PM7080A provides comprehensive protection features, including cycle-by-cycle over-current protection, over-temperature protection, high-side MOSFET short protection, VIN/VCC/VDRV/BOOT UVLO protection. In addition to their analog reporting capability, the combined logic outputs of IMON and TMON provide fault mapping to the PWM controller for specific fault condition deciphering.

The PM7080A is compatible with industry-standard footprint.

  • All features

    • Optimized MOSFET switching performance with integrated Schottky diode in LS MOSFET
    • 110 A peak and 60 A continuous current capability
    • High frequency operation up to 1.5 MHz
    • 3.3 V PWM logic with tri-state and hold-off
    • PWM minimum controllable on-time of 30 ns
    • Low PWM propagation delay (< 20 ns)
    • Current sense monitor output 5mV/A (IMON) and 2% accuracy
    • Temperature monitor output 8mV/C (TMON) and 2% accuracy
    • Fault reporting and mapping through both IMON and TMON
      • High Side MOSFET Short
      • Accurate over-current protection
      • Over-temperature protection
      • Under-voltage lockout for VIN/VCC/VDRV/BOOT
    • Thermally enhanced QFN 5x6 41L package

EDA Symbols, Footprints and 3D Models

STMicroelectronics - PM7080A

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
PM7080ATR
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MM Industrial N/A

PM7080ATR

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MM

Material Declaration**:

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MM

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(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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