BQ51050B_14 Datasheet, PDF (11/35 Pages) Texas Instruments – High-Efficiency Qi v1.1-Compliant Wireless Power Receiver and Battery Charger

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bq51050B
bq51051B
SLUSB42D – JULY 2012 – REVISED JANUARY 2014
TYPICAL CHARACTERISTICS (continued)
70
Pre-charge & fast charge mode
Taper mode
60
0.005
50
0.004
40
0.003
30
0.002
0.001
20
0
0 0.2 0.4 0.6 0.8 1 1.2
Output Current (A)
Figure 7. Output Ripple vs Output Current
10
0
1
2
3
4
Output Power (W)
Figure 8. System Efficiency (DC input to DC output)
V_RECT
V_BAT
V_RECT
V_BAT
I_BAT
Figure 9. Battery Insertion in Pre-Charge Mode
V_RECT
V_TS/CTRL
V_BAT
I_BAT
I_BAT
Figure 10. Battery Insertion in Fast-Charge Mode
V_TS/CTRL
V_RECT
V_BAT
I_BAT
Figure 11. TS Fault
Figure 12. TS Ground Fault
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