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UCS1002-2 Datasheet(PDF) 42 Page - Microchip Technology

Part # UCS1002-2
Description  Programmable USB Port Power Controller with Charger Emulation
PDF  114 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

UCS1002-2 Datasheet(HTML) 42 Page - Microchip Technology

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Programmable USB Port Power Controller with Charger Emulation
Datasheet
Revision 1.4 (07-16-13)
42
SMSC UCS1002
DATASHEET
4. The port power switch will be turned on.
5.1.4
Active State Operation
Every time that the UCS1002 enters the Active state and the port power switch is closed, it will enter
the mode as instructed by the host controller (see Chapter 9, Active State). The UCS1002 cannot be
in the Active state (and therefore, the port power switch cannot be turned on) if any of the following
conditions exist:
1. VS < VS_UVLO.
2. PWR_EN is disabled.
3. M1, M2, and EM_EN are all set to '0'.
4. S0 is set to ‘1’ and an Attach Detection event has not occurred.



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