PM8851

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Design Win

1A Low Side Gate Driver with configurable asymmetric sink/source

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Product overview

Description

The PM8851 device is a high frequency single channel low-side MOSFET driver specifically designed to work with digital power conversion microcontrollers, such as the STMicroelectronics STLUX™ family of products.

The PM8851 has complementary output pins to differentiate sink and source driving with a current capability of respectively 1 A and 0.8 A.

The input levels of the driver are derived by the voltage present at the IN_TH pin (between 2 V and 5.5 V). This pin is typically connected at the same voltage of the microcontroller supply voltage.

The PM8851 includes both input and output pull-down resistors.

UVLO circuitry for input and output stages is present preventing the IC from driving external MOSFET in unsafe condition.

  • All features

    • Low-side MOSFET driver
    • 1 A sink and 0.8 A source capability
    • Complementary outputs for source and sink driving
    • Ext. reference for input threshold
    • Wide supply voltage range (10 V ÷ 18 V)
    • Input and output pull-down resistors
    • Short propagation delays
    • Input and output UVLO
    • Wide operating temperature range: -40 °C to 125 °C
    • SOT23-6L package

Circuit Diagram

EDA Symbols, Footprints and 3D Models

STMicroelectronics - PM8851

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
PM8851D
Active
SOT23-6L Industrial Ecopack2

PM8851D

Package:

SOT23-6L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23-6L

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) 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.

Sample & Buy

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PM8851D
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PM8851D Active

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Part Number:

PM8851D

Operating Temperature (°C)

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Max:

Rth (°C/W) (typ) (Junction To Ambient):

250

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors