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SA306AHR - Apex Microtechnology

Description: The SA306A is a fully integrated switching amplifier designed primarily to drive three-phase Brushless DC (BLDC) motors. Three independent half bridges provide over 15 amperes peak output current under microcontroller or DSC control. Thermal and short circuit monitoring is provided, which generates fault signals for the microcontroller to take appropriate action. Additionally, cycle-by-cycle current limit offers user programmable hardware protection independent of the microcontroller.

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SA306AHR - Apex Microtechnology - PCB symbol
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PCB Footprints
SA306AHR - Apex Microtechnology PCB footprint - Other - Other - HR
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3D Models
SA306AHR - Apex Microtechnology - 3D model - Other - HR
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SA306AHR Details

  • Manufacturer Part Number:

    SA306AHR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    USA

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Apex Microtechnology Inc

  • YTEOL:

    8.3

  • Analog IC - Other Type:

    3-PHASE BRUSHLESS DC MOTOR CONTROLLER

  • JESD-30 Code:

    R-PDSO-G44

  • Number of Functions:

    1

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    17 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP44(UNSPEC)

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Form:

    GULL WING

  • Terminal Position:

    DUAL

SA306AHR Frequently Asked Questions (FAQs)

  • Apex Microtechnology recommends a 4-layer PCB with a dedicated thermal plane, and a thermal pad on the bottom of the package for heat dissipation. A minimum of 2 oz copper thickness is recommended for the thermal plane.
  • Apex Microtechnology recommends a two-stage biasing approach: first, set the output stage bias to 1.5V, then adjust the input stage bias to achieve the desired output voltage swing. Refer to the application note AN-114 for detailed biasing procedures.
  • Apex Microtechnology recommends a 50Ω input termination and a 25Ω output termination to ensure optimal impedance matching and minimize signal reflections.
  • Apex Microtechnology recommends using external voltage regulators and current limiting resistors to protect the device from overvoltage and overcurrent conditions. Additionally, consider using a fuse or a current-limiting circuit to prevent damage from excessive current.
  • Apex Microtechnology recommends storing the SA306AHR in a dry, cool environment, away from direct sunlight and moisture. Handle the device by the package body, avoiding touching the pins or die. Use an anti-static wrist strap or mat when handling the device.

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SA306AHR Overview

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