ZHCSM89 july 2021 BQ51013B-Q1
PRODUCTION DATA
- 1
- 1 特性
- 2 應(yīng)用
- 3 說(shuō)明
- 4 Revision History
- 5 Description (continued)
- 6 Device Comparison Table
- 7 Pin Configuration and Functions
- 8 Specifications
-
9 Detailed Description
- 9.1 Overview
- 9.2 Functional Block Diagram
- 9.3
Feature Description
- 9.3.1 Details of a Qi Wireless Power System and BQ51013B-Q1 Power Transfer Flow Diagrams
- 9.3.2 Dynamic Rectifier Control
- 9.3.3 Dynamic Efficiency Scaling
- 9.3.4 RILIM Calculations
- 9.3.5 Input Overvoltage
- 9.3.6 Adapter Enable Functionality and EN1/EN2 Control
- 9.3.7 End Power Transfer Packet (WPC Header 0x02)
- 9.3.8 Status Outputs
- 9.3.9 WPC Communication Scheme
- 9.3.10 Communication Modulator
- 9.3.11 Adaptive Communication Limit
- 9.3.12 Synchronous Rectification
- 9.3.13 Temperature Sense Resistor Network (TS)
- 9.3.14 3-State Driver Recommendations for the TS/CTRL Pin
- 9.3.15 Thermal Protection
- 9.3.16 WPC v1.2 Compliance – Foreign Object Detection
- 9.3.17 Receiver Coil Load-Line Analysis
- 9.4 Device Functional Modes
-
10Application and Implementation
- 10.1 Application Information
- 10.2
Typical Applications
- 10.2.1
BQ51013B-Q1 Wireless Power Receiver Used as a Power
Supply
- 10.2.1.1 Design Requirements
- 10.2.1.2
Detailed Design Procedure
- 10.2.1.2.1 Using The BQ51013B-Q1 as a Wireless Power Supply: (See )
- 10.2.1.2.2 Series and Parallel Resonant Capacitor Selection
- 10.2.1.2.3 Recommended RX Coils
- 10.2.1.2.4 COMM, CLAMP, and BOOT Capacitors
- 10.2.1.2.5 Control Pins and CHG
- 10.2.1.2.6 Current Limit and FOD
- 10.2.1.2.7 RECT and OUT Capacitance
- 10.2.1.3 Application Curves
- 10.2.2 Dual Power Path: Wireless Power and DC Input
- 10.2.3 Wireless and Direct Charging of a Li-Ion Battery at 800 mA
- 10.2.1
BQ51013B-Q1 Wireless Power Receiver Used as a Power
Supply
- 11Power Supply Recommendations
- 12Layout
- 13Device and Documentation Support
- 14Mechanical, Packaging, and Orderable Information
封裝選項(xiàng)
機(jī)械數(shù)據(jù) (封裝 | 引腳)
- RHL|20
散熱焊盤機(jī)械數(shù)據(jù) (封裝 | 引腳)
- RHL|20
訂購(gòu)信息
3 說(shuō)明
BQ51013B-Q1 器件是一款靈活的高級(jí)單芯片次級(jí)側(cè)器件，適用于便攜式應(yīng)用中的無(wú)線電力傳輸，可提供高達(dá) 5W 功率。BQ51013B-Q1 器件在集成符合無(wú)線電源聯(lián)盟 (WPC) Qi v1.2 通信協(xié)議所需的數(shù)字控制的同時(shí)，提供接收器 (RX) 交流/直流電源轉(zhuǎn)換和穩(wěn)壓。BQ51013B-Q1 與 BQ50012A 初級(jí)側(cè)控制器（或其他 Qi 發(fā)送器）相結(jié)合，可為無(wú)線電源解決方案實(shí)現(xiàn)一個(gè)完整的非接觸式電力傳輸系統(tǒng)。使用 Qi v1.2 協(xié)議，在次級(jí)側(cè)與初級(jí)側(cè)之間建立全局反饋，從而控制電力傳輸過(guò)程。
BQ51013B-Q1 集成了一個(gè)低電阻同步整流器、低壓降穩(wěn)壓器 (LDO)、數(shù)字控制以及精確的電壓和電流環(huán)路，可確保高效率和低功率耗散。
器件信息(1)
| 器件型號(hào) | 封裝 | 封裝尺寸（標(biāo)稱值） |
|---|---|---|
| BQ51013B-Q1 | VQFN (20) | 4.50mm × 3.50mm |
(1) 如需了解所有可用封裝，請(qǐng)參閱數(shù)據(jù)表末尾的可訂購(gòu)產(chǎn)品附錄。
簡(jiǎn)化原理圖
無(wú)線電源系統(tǒng)概述