UCS1002-1 datasheet(112/116 Pages) MICROCHIP

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Programmable USB Port Power Controller with Charger Emulation

Datasheet

Revision 1.4 (07-16-13)

112

SMSC UCS1002

DATASHEET

Chapter 14 Document Revision History

Table 14.1 Customer Revision History

REVISION

LEVEL & DATE

SECTION/FIGURE/ENTRY

CORRECTION

Revision 1.4

(07-16-13)

Cover



Added patent information to cover



Title change from “USB Port Power Controller with Charger

Emulation” to “Programmable USB Port Power Controller with

Charger Emulation”

Table 3.3, "Electrical

Specifications"



Added specifications for IDET_QUAL / IREM_QUAL and IBUS_CHG

Section 9.8.2, "Emulation

Cycling"



Updated text for DCE cycle behavior. Changed cycle order for

1001-3 and 1001-4.

Section 10.4.4, "Attach

Detection Configuration -

18h"



Changed register default setting for IDET_QUAL / IREM_QUAL

default change from 45h to 46h

Section 10.8, "IBUS_CHG

Configuration Register"



Changed register default setting for IBUS_CHG value change

from 01h to 04h

Revision 1.3

(02-14-13)

Table 3.3, "Electrical

Specifications"



Added Pin Wake Time (tPIN_WAKE).



Added SMBus Wake Time (tSBM_WAKE) and Idle Sleep Time

(tIDLE_SLEEP).



Added Timeout (tTIMEOUT) and Idle Reset (tIDLE_RESET).



Changed ISLEEP from 8 µA (MAX) to 15 µA (MAX) per

characterization data.



Added 12W Current Limit changes.

Figure 5.5, "Wake Timing

via External Pins"



Changed ~3ms to tPIN_WAKE. Removed third example: “Wake

with S0 & PWR_EN to Auto-transition Detect State (VS >

VS_UVLO, M1 & M2 & EM_EN not all ‘0’ and not set to Data

Pass-through)”.

Figure “Wake Via SMBus

Read with S0 = “0”



Changed >5ms to tIDLE_SLEEP.



Changed time between reads from 1ms<t<5ms to tSMB_WAKE.

Chapter 5, General

Description



After system diagrams, noted that a reference design is

available.

Chapter 14, Document

Revision History



Added.

Revision 1.2

(05-21-12)

Cover



Certification added: “

UL recognized and EN/IEC 60950-1

(CB) certified”

Revision 1.2

(05-16-12)

Cover



Source voltage: Vs MIN moved from 2.7 to 2.9 V to

accommodate UL

Table 3.3, "Electrical

Specifications"



Source voltage: Vs MIN moved from 2.7 to 2.9 V to

accommodate UL

Cover



There are nine preloaded charger emulation profiles.

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