UCS1002-1 datasheet(115/116 Pages) MICROCHIP

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Programmable USB Port Power Controller with Charger Emulation

Datasheet

SMSC UCS1002

115

Revision 1.4 (07-16-13)

DATASHEET

Table 3.3, "Electrical

Specifications"



Changed tDET_CHARGE from 400 ms to 800 ms typ and

changed condition from CBUS = 220 µF to CBUS = 500 µF

max.



VS Leakage Current changed from 0.8 µA typical to 2.2 µA.



Changed IBD_1 and IBD_2 from TBD typ to 0 µA typ and from

1.5 µA max to 2 µA max



Changed ITST to ITEST and changed typ from 165 to 190 mA.



Changed tON_PSW from 3 ms to 0.75 ms typical and

tOFF_PSW_INA from 1 ms to 0.75 ms typical.



Spec changed for tHD:DAT. 0 µs min has condition when

transmitting to master. New row added with 0.3 µs min with

condition when receiving from master.



New characteristic: Bus Free Time Stop to Start, Start Setup

Time, Hold Time, Setup Time, Clock Low Period, Clock High

Period

Data Fall Time -> Clock / Data Fall Time

Data Rise Time -> Clock / Data Rise Time

Table 3.4, "ESD

Ratings"Section 3.1



Charged Device Model: changed from 200 V to 500 V

Section 4.2.2



Differences between SMBus and I²C revised.

Note 5.1



Added note: In order to transition from Active state Data Pass-

through mode into Sleep with these settings, change the M1,

M2, and EM_EN pins before changing the PWR_EN pin.

Table 5.1, "Power States

Control Settings",

Section 5.1.2, "Sleep State

Operation",

Section 6.1, "USB High-

speed Data Switch"



The high-speed switch is open in Sleep.

Section 5.2.2, "VS Source

Voltage"



Added.

Section 4.2.4



New section I²C Protocols, covering sections Block Write and

Block Read moved from

Section 4.2.3.

Section 10.4.2, "Emulation

Configuration - 16h"



Added application note regarding EM_TIMEOUT_DIS: If the

EM_TIMEOUT_DIS bit is set and the Legacy 1, Legacy 3, or

Custom charger emulation profiles were accepted during the

DCE cycle, a removal is not detected. To avoid this issue, re-

enable the timeout after applying any test profiles and

charging with the 'final' profile.

Section 10.13.1, "Custom

Emulation Configuration -

40h"



Added application note regarding CS1_TIMEOUT_DIS: If the

CS1_TIMEOUT_DIS bit is set and the Custom charger

emulation profile was accepted during the DCE cycle, a

removal is not detected. To avoid this issue, re-enable the

timeout after applying any test profiles and charging with the

'final' profile.

Cover, Section 9.11.3,

"Legacy 1, 3, 4, and 6

Charger Emulation Profiles"



Legacy 6 profile has been defined.

Section 10.11.3, "Legacy

Emulation Timeout Config 2

- 24h"



timeout 1.6 s).

Table 14.1 Customer Revision History (continued)

REVISION

LEVEL & DATE

SECTION/FIGURE/ENTRY

CORRECTION

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