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| 型号： | BQ51013ARHLR |
| 厂商： | Texas Instruments |
| 文件页数： | 34/45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 |
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bq51014 is Not Recommended For New Designs
SLUSAY6B – MARCH 2012 – REVISED OCTOBER 2013
What this plot conveys about the operating point is that a specific load and rectifier target condition consequently
results in a specific operating frequency (for the type A1 TX). For example, at 1 A the dynamic rectifier target is
5.15 V. Therefore, the operating frequency will be between 150kHz and 160kHz in the above example. This is an
acceptable operating point. If the operating point ever falls outside the WPC frequency range (110kHz –
205kHz), the system will never converge and will become unstable.
In regards to transient analysis, there are two major points of interest:
1. Rectifier voltage at the ping frequency (175kHz).
2. Rectifier voltage droop from no load to full load at the constant operating point.
In this example, the ping voltage will be approximately 5 V. This is above the UVLO of the bq5101x and;
therefore, startup in the WPC system can be ensured. If the voltage is near or below the UVLO at this frequency,
then startup in the WPC system may not occur.
If the max load step is 1 A, the droop in this example will be Approximately1V with a voltage at 1 A of
Approximately 5.5 V (140 kHz load-line). To analyze the droop locate the load-line that starts at 7 V at no-load.
Follow this load-line to the max load expected and take the difference between the 7V no-load voltage and the
full-load voltage at that constant frequency. Ensure that the full-load voltage at this constant frequency is above
5V. If it descends below 5V, the output of the power supply will also droop to this level. This type of transient
response analysis is necessary due to the slow feedback response of the WPC system. This simulates the step
response prior to the WPC system adjusting the operating point.
NOTE
Coupling between the primary and secondary coils will worsen with misalignment of the
secondary coil. Therefore, it is recommended to re-analyze the load-lines at multiple
misalignments to determine where, in planar space, the receiver will discontinue operation.
34
Product Folder Links: bq51013A bq51014
Copyright ? 2012–2013, Texas Instruments Incorporated
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相关代理商/技术参数 |
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| BQ51013ARHLT | 功能描述:其他电源管理 Qi Int Wireless Pwr Receiver Solution RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| BQ51013AYFPR | 功能描述:电池管理 Qi Int Wireless Pwr Receiver Solution RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| BQ51013AYFPT | 功能描述:电池管理 Qi Int Wireless Pwr Receiver Solution RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| BQ51013B | 制造商:TI 制造商全称:Texas Instruments 功能描述:Highly Integrated Wireless Receiver Qi (WPC V1.1) Compliant Power Supply |
| BQ51013BEVM-764 | 制造商:Texas Instruments 功能描述: 制造商:Texas Instruments 功能描述:CPU |
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