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AT9919K7-G - Microchip

Description: LED Lighting Drivers HYSTERETIC BUCK HIGH BRIGHT LED DRIVER

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AT9919K7-G - Microchip - PCB symbol
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PCB Footprints
AT9919K7-G - Microchip PCB footprint - Small Outline No-lead - Small Outline No-lead - 8-Lead DFN Package Outline (K7)
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3D Models
AT9919K7-G - Microchip - 3D model - Small Outline No-lead - 8-Lead DFN Package Outline (K7)
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AT9919K7-G Details

  • Manufacturer Part Number:

    AT9919K7-G

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, 0.80 MM HEIGHT, 0.65 MM PITCH, GREEN, MO-229WEEC-2, DFN-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    WDFN-8

  • Country Of Origin:

    Mainland China, Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    S-PDSO-N8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    2

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC8,.12,25

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Qualification Status:

    Not Qualified

  • Screening Level:

    TS 16949

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max:

    1.5 mA

  • Supply Voltage-Max:

    40 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    12 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    3 mm

AT9919K7-G Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the AT9919K7-G involves placing the device near the antenna, using a solid ground plane, and minimizing the length of the transmission lines. A 4-layer PCB with a dedicated ground plane is recommended. Microchip provides a reference design and layout guidelines in the AT9919K7-G datasheet and application notes.
  • To optimize the antenna design for the AT9919K7-G, consider the operating frequency, antenna size, and PCB layout. A quarter-wavelength monopole antenna or a dipole antenna is recommended. The antenna should be matched to the device's output impedance (50 ohms) and the PCB layout should minimize electromagnetic interference (EMI).
  • The maximum transmit power of the AT9919K7-G is +20 dBm (100 mW). However, the actual transmit power may vary depending on the application, antenna design, and regulatory requirements. It is essential to ensure that the transmit power complies with local regulations and does not cause interference with other devices.
  • To implement frequency hopping with the AT9919K7-G, use the device's built-in frequency synthesizer and a microcontroller to control the frequency hopping sequence. The AT9919K7-G supports up to 16 frequency channels, and the frequency hopping sequence can be programmed using the device's registers. Microchip provides example code and application notes to facilitate implementation.
  • The latency of the AT9919K7-G depends on the transmission mode and the microcontroller used. In general, the latency is around 1-2 ms for transmission and reception. However, this can be optimized by using a high-speed microcontroller and optimizing the firmware. Microchip provides guidelines for minimizing latency in the AT9919K7-G datasheet and application notes.

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AT9919K7-G Overview

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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