BQ28550-R1 datasheet(9/42 Pages) TI1

部件名	BQ28550-R1

功能描述	Single Cell Li-Ion Battery Gas Gauge

PDF	42 Pages

Scroll/Zoom	100%

制造商	TI1 [Texas Instruments]

网页	http://www.ti.com

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9 / 42 page

SCL

SDA

tsu (STA)

td (STA)

tsu (DAT)

th(DAT)

tw(H)

tw(L)

t(BUF)

tsu(STOP)

REPEATED

START

STOP

START

Not Recommended for New Designs

bq28550-R1

www.ti.com

SLUSAS4A – OCTOBER 2012 – REVISED SEPTEMBER 2014

Electrical Characteristics: Serial Communication Timing Characteristics (continued)

TA = –40 to +85ºC, VBAT = 2.7 V to 5.5 V; Typical values stated, where TA = 25ºC and VBAT = 3.6 V (unless otherwise noted).

Capacitance on serial interface pins SCL and SDA are 10 pF unless otherwise specified

(1).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tsu(STOP)

Setup time for stop

600

Bus free time between

t(BUF)

1.3

μs

stop and start

f(SCL)

Clock frequency

100

kHz

Figure 1. Timing

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