BQ51013A Datasheet, PDF (12/45 Pages) Texas Instruments – INTEGRATED WIRELESS POWER SUPPLY RECEIVER

bq51013A
bq51014
SLUSAY6A – MARCH 2012 – REVISED JUNE 2012
TYPICAL CHARACTERISTICS (continued)
70
<−−− Dynamic Efficiency Scaling
7.0
60
www.ti.com
Rising
Falling
50
6.5
40
<−−− Dynamic Rectifier Control
6.0
30
20
RILIM=500
10
RILIM=220
1
2
3
4
5
Output Power (W)
G000
Figure 6. Light Load Efficiency Improvement due to
Dynamic Efficiency Scaling Feature(1)
5.5
0.2
0.4
0.6
0.8
1.0
Output Current (A)
G007
Figure 7. V_RECT vs. I_LOADat R_ILIM = 220Ω
RILIM=220
RILIM=500
7.0
6.5
6.0
5.5
0.0
0.2
0.4
0.6
0.8
1.0
Output Current (A)
G007
Figure 8. V_RECT vs. I_LOAD at R_ILIM = 220 Ω and 500 Ω
1.2
RILIM=250
1.1
RILIM=400
RILIM=700
1.0
RILIM=300
0.9
Thermal Shutdown −−−>
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.0
2.0
3.0
4.0
5.0
Output Voltage (V)
G001
Figure 9. V_OUT Sweep (I-V Curve)(2)
12
Submit Documentation Feedback
Product Folder Link(s): bq51013A bq51014
Copyright © 2012, Texas Instruments Incorporated