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TPS65090ARVNR Datasheet(PDF) 8 Page - Texas Instruments

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No. de pieza TPS65090ARVNR
Descripción Electrónicos  Frontend PMU With Switchmode Charger for 2-3 Cells In
Download  67 Pages
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

TPS65090ARVNR Datasheet(HTML) 8 Page - Texas Instruments

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TPS65090A
SLVSBO6A – JANUARY 2013 – REVISED JULY 2013
www.ti.com
ELECTRICAL CHARACTERISTICS - CHARGER (continued)
over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature
range of 25°C) (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
RDSON Low side switch on resistance
60
m
Ω
CHARGER - CONTROL
Precharge timer
1600
1800
2000
s
Fastcharge safety timer programming range
2
10
h
Fastcharge safety timer accuracy
10%
FASTTIME = 000, default setting
2
h
FASTTIME = 001
3
h
FASTTIME = 010
4
h
FASTTIME = 011
5
h
I2C programmable values for fastcharge safety
timer
FASTTIME = 100
6
h
FASTTIME = 101
7
h
FASTTIME = 110
8
h
FASTTIME = 111
10
h
Battery detection discharge timer
1
s
Battery detection discharge current
5
20
mA
Battery detection discharge current after timer
2
mA
fault
Battery detection discharge feedback voltage
VFBCL
1.43
1.45
1.47
V
threshold for battery ok
Battery feedback voltage threshold for precharge
1.43
1.45
1.47
V
to fastcharge transition
Battery detection charge timer
0.5
s
Battery detection charge current sense
VSRP - VSRN = 2 mV typical, TJ < 100 °C
0.5
2
3.8
mV
regulation voltage
VSET = 00
1.925
1.95
1.975
VSET = 01
1.975
2.0
2.025
Battery detection charge feedback voltage
V
threshold for battery ok
VSET = 10
2.0
2.025
2.05
VSET = 11
2.025
2.05
2.075
Minimum battery feedback voltage for battery
voltage at FBC increasing
1.44
1.5
1.54
V
good detection
Maximum battery feedback voltage for battery
voltage at FBC increasing
2.18
2.25
2.28
V
good detection
Battery cell temperature measurement, ratio of
sensor temperature is -10°C, T_SET =
VTS1,2 compared to VREFTS, I2C programming
71.9
72.4
72.9
%
000
option for T1
sensor temperature is -10°C, voltage
Voltage ratio threshold hysteresis
0.2
%
decreasing
Battery cell temperature measurement, ratio of
default value, Sensor temperature is 0°C,
T1
70.4
71.0
71.5
%
VTS1,2 compared to VREFTS
T_SET = 001
sensor temperature is 0°C, voltage
Voltage ratio threshold hysteresis
0.2
%
decreasing
Battery cell temperature measurement, ratio of
default value, Sensor temperature is
T2
68.1
68.7
69.2
%
VTS1,2 compared to VREFTS
10°C, T_SET = 010
sensor temperature is 10°C, voltage
Voltage ratio threshold hysteresis
0.4
%
decreasing
Battery cell temperature measurement, ratio of
sensor temperature is 15°C, T_SET =
VTS1,2 compared to VREFTS, I2C programming
67.0
67.4
67.9
%
011
option for T2
sensor temperature is 15°C, voltage
Voltage ratio threshold hysteresis
0.4
%
decreasing
8
DEVICE SPECIFICATION
Copyright © 2013, Texas Instruments Incorporated
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