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BQ25504 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
BQ25504 Ultra Low-Power Boost Converter With Battery Management for Energy Harvester Applications Texas-Instruments
Texas Instruments Texas-Instruments
BQ25504 Datasheet PDF : 36 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
bq25504
SLUSAH0C – OCTOBER 2011 – REVISED JUNE 2015
www.ti.com
Typical Characteristics (continued)
VSTOR = Keithley Sourcemeter configured to measure current & voltage source set to hold the VSTOR voltage = 1.8V, 3.0V
or 5.5V; VBAT_OV = 5.5V and measurement taken between MPPT measurements
80
VIN = 0.2V
70
1000
900
800
700
60
600
50
500
400
40
300
30
VSTOR = 3V
VSTOR = 1.8V
VSTOR = 5.5V
20
0.01
0.1
1
10
100
Input Current (mA)
G007
VIN_DC = Keithley Source Meter configured with voltage source =
0.2 V and ICOMP varied from 0.01 mA to 100 mA
VSTOR = Keithley Source Meter configured to measure current
and voltage source set to hold the VSTOR voltage = 2.0 V, 3.0 V
or 5.5 V
200
100
0
−60 −40 −20
VIN_DC = floating
VSTOR = 1.8V
VSTOR = 3V
VSTOR = 4V
0 20 40 60
Temperature (°C)
80 100 120
G008
VBAT = Keithley Sourcemeter configured to measure current and
voltage source varied from 1.8 V, 3 V or 4 V
Figure 7. Efficiency vs Input Current
24
Figure 8. VSTOR Quiescent Current vs Temperature
400
22
350
20
18
300
16
250
14
200
12
10
−50−40−30−20−10 0 10 20 30 40 50 60 70 80 90 100
Temperature (°C)
G009
150
−50−40−30−20−10 0 10 20 30 40 50 60 70 80 90 100
Temperature (°C)
G010
Figure 9. Sample Period vs Temperature
Figure 10. Settling Period vs Temperature
8
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