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BQ27541-V200 Datasheet(PDF) 6 Page - Texas Instruments

Part # BQ27541-V200
Description  Single Cell Li-Ion Battery Fuel Gauge for Battery Pack Integration
Download  46 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ27541-V200 Datasheet(HTML) 6 Page - Texas Instruments

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t(B)
t(BR)
t(HW1)
t(HW0)
t(CYCH)
t(DW1)
t(DW0)
t(CYCD)
Break
7-bitaddress
8-bitdata
(a) BreakandBreakRecovery
(c) Host TransmittedBit
(d) Gauge TransmittedBit
(e) GaugetoHostResponse
1.2V
t(RISE)
(b) HDQlinerisetime
1-bit
R/W
t(RSPS)
bq27541-V200
SLUSA11B – FEBRUARY 2010 – REVISED SEPTEMBER 2013
www.ti.com
HDQ COMMUNICATION TIMING CHARACTERISTICS
TA = –40°C to 85°C, CREG = 0.47μF, 2.45 V < VREGIN = VBAT < 5.5 V; typical values at TA = 25°C and VREGIN = VBAT = 3.6 V
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
t(CYCH)
Cycle time, host to bq27541
190
μs
t(CYCD)
Cycle time, bq27541 to host
190
205
250
μs
t(HW1)
Host sends 1 to bq27541
0.5
50
μs
t(DW1)
bq27541 sends 1 to host
32
50
μs
t(HW0)
Host sends 0 to bq27541
86
145
μs
t(DW0)
bq27541 sends 0 to host
80
145
μs
t(RSPS)
Response time, bq27541 to host
190
950
μs
t(B)
Break time
190
μs
t(BR)
Break recovery time
40
μs
t(RISE)
HDQ line rising time to logic 1 (1.2V)
950
ns
Figure 1. Timing Diagrams
6
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Copyright © 2010–2013, Texas Instruments Incorporated
Product Folder Links: bq27541-V200
Not Recommended for New Designs


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