MIC2072-2PZQS More Semiconductors - ICs by Microchip Technology

Dual Channel USB Current Limiting Power Switch Supporting ACPI S0/S3

Status: Active
Series: MIC2072
RoHS: Compliant
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The MIC2012 is a dual channel USB power switch designed to support the power distribution requirements for USB Wakeup from the ACPI S3 state. The MIC2012 will directly switch its two outputs between a 5V main supply and a 5V auxiliary supply normally provided in ATX style power supplies. The MIC2012 will adjust its current-limit threshold according to the ACPI state it is in. In the normal active S0 state the current- limit is set at 500mA minimum per channel satisfying the USB continuous output current specifi cation. In the S3 state the current-limit can be reduced to only 100mA per channel to minimize the current that is supplied by the auxiliary supply thereby ensuring that voltage regulation is maintained even during fault conditions. The MIC2012 provides make-before-break switching to ensure glitch-free transitions between the S3 and S0 states. Each channel is also thermally isolated from the other so that a fault in one channel does not effect the other. FAULT status output signals are also provided indicating overcurrent and thermal shutdown conditions. The MIC2072 option latches the output off upon detecting an overcurrent condition for more than 5ms minimum. The output can be reset by either toggling the EN inputs of the MIC2072-1, -2 or by removing the load. Latching the output off provides a circuit breaker mode of operation which reduces power consumption during fault conditions.

Where to Buy

Prices starting from US$2.67

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Features

Compliant to USB power distribution specifi cations
Two completely independent switches
Integrated switching matrix supports ACPI S0/S3 state transitions without external FET circuits
Make-before-break switching ensures glitch-free transitions
No back-feed of auxiliary supply onto main supply during standby mode
Bi-level current-limit preserves auxiliary supply voltage regulation in standby mode
Thermally isolated channels
Thermal shutdown protection
Fault status outputs with fi lter prevents false assertions during hot-plug events
Latched thermal shutdown options with auto-reset (MIC2072)
Undervoltage lockout
UL recognized

Specifications

Product Type USB Power Switches Supporting ACPI S0/S3 State Transitions
Type Dual
Vin Min (V) 4.5
Vin Max (V) 5.5
Current Limit Fixed (Min) 500mA
Current Limited Yes
RDS ON @5V (mO) 140
Oja (C/W) 160
Rev Block Diode Yes
UVLO Yes
Thermal Shutdown Latched
Fault Flag Yes
Flag Transient Filter Yes
UL Approved Yes
Switch Element N-Ch
Internal Charge Pump Yes
Pins | Packaging 16 | QSOP
Temp Range 0C to +70C
Packing Media Tube (98)

Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.0836
Shipping Weight (kg) 0.16
Lead Count 16
Package Type QSOP
Package Width or Size 3.90mm(.150in)
Soldering Composition Matte Tin

Alternative Descriptions

Usb Power Controller 16 Qsop 3.90Mm(.150In) Tube Rohs Compliant: Yes |Microchip MIC2072-2PZQS | Newark Electronics
USB POWER CONTROLLER | Avnet America


Frequently Asked Questions

Where can I find additional details, specifications and documents for a MIC2072-2PZQS?

Additional datasheets, footprints and schematics for MIC2072-2PZQS are listed on our Part Details page. You can also find images and similar parts to MIC2072-2PZQS on this page.

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What category does MIC2072-2PZQS fall under?

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Is the MIC2072-2PZQS RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

Which authorised distributors for MIC2072-2PZQS have stock available?

Authorised distributors including Newark Electronics and Avnet America have stock available or on a lead time for MIC2072-2PZQS.

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