参数资料
型号: BQ51013AYFPR
厂商: Texas Instruments
文件页数: 33/45页
文件大小: 0K
描述: IC WIRELESS PWR RCVR 28DSBGA
标准包装: 3,000
应用: 无线电源接收器
电流 - 电源: 1.5A
电源电压: 4 V ~ 10 V
工作温度: 0°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-XFBGA,DSBGA
供应商设备封装: 28-DSBGA(1.9x3)
包装: 带卷 (TR)
配用: 732-4057-ND - WIRELESS CHARGING RECEIVING COIL
bq51014 is Not Recommended For New Designs
C P
C S
SLUSAY6B – MARCH 2012 – REVISED OCTOBER 2013
V IN
L P
L S C D
C B
V
R L
Figure 47. Load-Line Analysis Test Bench
Where:
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?
?
?
?
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V IN is a square-wave power source that should have a peak-to-peak operation of 19V.
C P is the primary series resonant capacitor (i.e. 100 nF for Type A1 coil).
L P is the primary coil of interest (i.e. Type A1).
L S is the secondary coil of interest.
C S is the series resonant capacitor chosen for the receiver coil under test.
C D is the parallel resonant capacitor chosen for the receiver coil under test.
C B is the bulk capacitor of the diode bridge (voltage rating should be at least 25 V and capacitance value of at
least 10μ F)
V is a Kelvin connected voltage meter
A is a series ammeter
R L is the load of interest
It is recommended that the diode bridge be constructed of Schottky diodes.
The test procedure is as follows
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Supply a 19V AC signal to L P starting at a frequency of 210 kHz
Measure the resulting rectified voltage from no load to the expected full load
Repeat the above steps for lower frequencies (stopping at 110 kHz)
An example load-line analysis is shown in Figure 48 :
20
18
175 kHz
16
14
12
10
160 kHz
150 kHz
140 kHz
125 kHz
115 kHz
135 kHz
130 kHz
8
6
4
2
0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
LOAD (A)
Figure 48. Example Load-Line Results
Copyright ? 2012–2013, Texas Instruments Incorporated
Product Folder Links: bq51013A bq51014
33
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