Products > Integrated Circuits (ICs) > Power Management ICs > UCS81003AMR-C1A
  • UCS81003AMR-C1A
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UCS81003AMR-C1A

Programmable USB Port Power Controller, I2C/SMBus, AutoGrade, 2.7A, 48 VQFN 7x7x0.9mm T/R

  • Package/Case :
  • 28-VFQFN
  • Product Categories :
  • PMIC - Power Management - Specialized
  • RoHs Status:
  • Lead free/RoHS Compliant
  • In-stock:
  • 68

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UCS81003AMR-C1A Product Details

The UCS81003AMR-C1A provides a USB port power switch for control of 2.7 amperes continuous current with over-current limit (OCL), dynamic thermal management, latch or auto-recovery (low test current) fault handling, selectable active low or high enable, under- and over-voltage lockout, back-drive protection, and backvoltage protection.

Split supply support for VS and VDD is an option for low power in system standby states. This gives battery operated applications, like onboard computers, the ability to detect attachments from a sleep or off state. After the Attach Detection is flagged, the system can decide to wake up and/or provide charging.

In addition to power switching and current limiting modes, the UCS81003AMR-C1A will automatically charge a wide variety of portable devices, including USB-IF BC1.2, YD/T-1591 (2009), most Apple®, Samsung and RIM®, and many others. Nine preloaded charger emulation profiles maximize compatibility coverage of peripheral devices. As well, a customizable charger emulation profile is available to accommodate unique existing and future portable device handshaking / signature requirements.

The UCS81003AMR-C1A also provides current monitoring to allow intelligent management of system power and charge rationing for controlled delivery of current regardless of the host power state. This is especially important for battery operated applications that want to provide power and do not want to drain the battery excessively.

The UCS81003AMR-C1A is available in a 28-pin QFN 5 mm x 5 mm package.

UCS81003AMR-C1A

Feature

  • Port power switch with two current limit behaviors
    • 2.9 V to 5.5 V source voltage range
    • 2.7 A current with 55 mΩ On Resistance
    • Over-current trip or constant current limiting
    • Soft turn-on circuitry
    • Programmable current limit
    • Dynamic thermal management
    • Under- and over-voltage lockout
    • Back-drive, back-voltage protection
    • Latch or auto-recovery (low test current) fault handling
    • Selectable active high or low power switch enable
    • BC1.2 VBUS discharge port renegotiation function
  • Selectable / automatic cycling of USB data line charger emulation profiles
    • Employs unique method and system for sampling multiple profiles
    • USB-IF BC1.2 charging downstream port (CDP) & dedicated charging port (DCP) modes, YD/T-1591, and most Apple, Samsung and RIM protocols standard; others as defined via the SMBus 2.0 / I2C® protocol
    • USB 2.0 compliant high-speed data switch (in Data Pass-through, SDP, and CDP modes)
    • Nine preloaded charger emulation profiles for maximum compatibility coverage of peripheral devices
    • One custom programmable charger emulation profile for portable device support for fully host controlled charger emulation
  • Self-contained current monitoring and rationing for power allocation applications
  • Low power Attach Detection and open-drain A_DET# pin
  • Ultra low power Sleep state
  • Optional split supply support for VBUS and VDD for low power in system standby states
  • Wake on Attach USB
  • SMBus 2.0 / I2C communications
    • Supports Block Write and Read
    • Multiple SMBus addresses
  • Wide operating temperature range: -40 °C to +85 °C

Technical Parameters

  • Applications
  • USB Dedicated Charging Port (DCP), Power Switch
  • Current Supply
  • 650??A
  • Voltage Supply
  • 4.5V ~ 5.5V
  • Operating Temperature
  • -40??C ~ 85??C
  • Mounting Type
  • Surface Mount
  • Package / Case
  • 28-VFQFN Exposed Pad
  • Supplier Device Package
  • 28-VQFN (5x5)

UCS81003AMR-C1A Documents

  • UCS81003 Technical Documentation of Application Note

UCS81003AMR-C1A Related Products

Ratings and Reviews (1)

  • 5 / 5
  • 5 Stars 100%
  • 4 Stars 0%
  • 3 Stars 0%
  • 2 Stars 0%
  • 1 Stars 0%
  • **laus***
    2019-12-16

    Alles bestens. Gerne wieder! Sehr schneller Versand!

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1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

FAQ:

Q: How does Jotrin guarantee that UCS81003AMR-C1A is the original manufacturer or agent of MICROCHIP?
We have a professional business development department to strictly test and verify the qualifications of MICROCHIP original manufacturers and agents. All MICROCHIP suppliers must pass the qualification review before they can publish their UCS81003AMR-C1A devices; we pay more attention to the channels and quality of UCS81003AMR-C1A products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of UCS81003AMR-C1A chips? Including MICROCHIP original factory information, PMIC - Power Management - Specialized application, UCS81003AMR-C1A pictures?
You can use Jotrin's intelligent search engine, or filter by USB Port Power Cntlr Products category, or find it through Microchip Technology, Inc Information page.
Q: Are the MICROCHIP's UCS81003AMR-C1A price and stock displayed on the platform accurate?
The MICROCHIP's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for UCS81003AMR-C1A, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of UCS81003AMR-C1A?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the UCS81003AMRC1A we delivered, we will accept the replacement or return of the UCS81003AMR-C1A only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of UCS81003AMR-C1A.
(3)The UCS81003AMR-C1A is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
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Microchip Technology, Inc

Microchip
Microchip Technology Inc. is a leading manufacturer of microcontroller and analog products, providing low-risk product development, lower total system cost, and faster time to market for thousands of diverse customer applications worldwide. Microchip offers outstanding technical support along with d...

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