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TPS61281YFFT Datasheet(PDF) 6 Page - Texas Instruments

Part # TPS61281YFFT
Description  Low-, Wide- Voltage Battery Front-End DC/DC Converter Single-Cell Li-Ion, Ni-Rich, Si-Anode Applications
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS61281YFFT Datasheet(HTML) 6 Page - Texas Instruments

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TPS61280
, TPS61281, TPS61282
SLVSBI1 – OCTOBER 2013
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Minimum and maximum values are at VIN = 2.3V to 4.85V, VOUT = 3.4V (or VIN, whichever is higher), EN = 1.8V, VSEL =
1.8V, nBYP = 1.8V, –40°C
≤ TJ ≤ 125°C; Circuit of Parameter Measurement Information section (unless otherwise noted).
Typical values are at VIN = 3.2V, VOUT = 3.4V, EN = 1.8V, TJ = 25°C (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
TIMING
VIN = 3.2V, VOUT_TH = 01011 (3.4V), RLOAD =
50
Ω
Start-up time
TPS6128x
500
µs
Time from active VIN to VOUT settled
GPIO rise time(2)
TPS61280
200
ns
(2)
Verified by characterization. Not tested in production.
I
2C INTERFACE TIMING CHARACTERISTICS(1)
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
Standard mode
100
kHz
Fast mode
400
kHz
Fast mode plus
1
MHz
f(SCL)
SCL Clock Frequency
High-speed mode (write operation), CB – 100 pF max
3.4
MHz
High-speed mode (read operation), CB – 100 pF max
3.4
MHz
High-speed mode (write operation), CB – 400 pF max
1.7
MHz
High-speed mode (read operation), CB – 400 pF max
1.7
MHz
Standard mode
4.7
μs
Bus Free Time Between a STOP and
tBUF
Fast mode
1.3
μs
START Condition
Fast mode plus
0.5
μs
Standard mode
4
μs
Fast mode
600
ns
Hold Time (Repeated) START
tHD, tSTA
Condition
Fast mode plus
260
ns
High-speed mode
160
ns
Standard mode
4.7
μs
Fast mode
1.3
μs
tLOW
LOW Period of the SCL Clock
Fast mode plus
0.5
μs
High-speed mode, CB – 100 pF max
160
ns
High-speed mode, CB – 400 pF max
320
ns
Standard mode
4
μs
Fast mode
600
ns
tHIGH
HIGH Period of the SCL Clock
Fast mode plus
260
ns
High-speed mode, CB – 100 pF max
60
ns
High-speed mode, CB – 400 pF max
120
ns
Standard mode
4.7
μs
Fast mode
600
ns
Setup Time for a Repeated START
tSU, tSTA
Condition
Fast mode plus
260
ns
High-speed mode
160
ns
Standard mode
250
ns
Fast mode
100
ns
tSU, tDAT Data Setup Time
Fast mode plus
50
ns
High-speed mode
10
ns
(1)
Specified by design. Not tested in production.
6
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Copyright © 2013, Texas Instruments Incorporated
Product Folder Links: TPS61280 TPS61281 TPS61282


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