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BQ2023PW Datasheet(PDF) 13 Page - Texas Instruments

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Part # BQ2023PW
Description  SINGLE-WIRE ADVANCED BATTERY MONITOR IC FOR CELLULAR AND PDA APPLICATIONS
PDF  27 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ2023PW Datasheet(HTML) 13 Page - Texas Instruments

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bq2023
SINGLEWIRE ADVANCED BATTERY MONITOR IC
FOR CELLULAR AND PDA APPLICATIONS
SLUS480B – MAY 2001
13
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
APPLICATION INFORMATION
bq2023 Transmits Presence Pulse
Yes
No
ROM
Command
Issued?
From Reset Pulse
Yes
No
Read
ROM
Command?
(33H)
No
Match
ROM
Command?
(55H)
No
Yes
Skip
ROM
Command?
(CCH)
Yes
Search
ROM
Command?
(F0H)
bq2023 Transmits
64 Bit ID ROM
Starting With Bit 0
n = 0
Yes
bq2023 Receives Bit n
Received
Bit n =
ID ROM Bit n?
Yes
n = 63?
Yes
n = n + 1
n = 0
bq2023 Transmits Bit n,
Transmits the
Complement of Bit n,
Then Receives Bit n
Received
Bit n =
ID ROM Bit n?
Yes
n = 63?
Yes
Reset
Pulse
Received?
n = n + 1
Selected
State
No
No
No
No
Yes
No
No
Figure 8. ROM Command Flow Chart



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