参数资料
型号: BQ51013ARHLR
厂商: Texas Instruments
文件页数: 25/45页
文件大小: 0K
描述: IC WIRELESS PWR RCVR 20QFN
标准包装: 1
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: 20-VFQFN 裸露焊盘
供应商设备封装: 20-QFN-EP(4.50x3.50)
包装: 标准包装
其它名称: 296-30568-6
bq51014 is Not Recommended For New Designs
SLUSAY6B – MARCH 2012 – REVISED OCTOBER 2013
Figure 34 Shows how to implement capacitive modulation.
C RES1
AC1
VRECT
C MOD
COIL
C RES2
AC2
GND
Figure 34. Capacitive Modulation
The amplitude change in Tx coil voltage or current can be detected by the transmitters decoder. The resulting
signal observed by the Tx is shown in Figure 35 .
Power
bq5101x
AC to DC
Drivers
Rectification
Voltage
Conditioning
Load
Communication
Controller
bq500210
Transmitter
V/I
Sense
Controller
Receiver
0
1
0
1
0
TX COIL VOLTAGE / CURRENT
Figure 35.
The WPC protocol uses a differential bi-phase encoding scheme to modulate the data bits onto the Tx coil
voltage/current. Each data bit is aligned at a full period of 0.5 ms (t CLK ) or 2 kHz. An encoded ONE results in two
transitions during the bit period and an encoded ZERO results in a single transition. See Figure 36 for an
example of the differential bi-phase encoding.
Copyright ? 2012–2013, Texas Instruments Incorporated
Product Folder Links: bq51013A bq51014
25
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