SLUSFU9A
October 2024 – May 2025
BQ51013C
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Description (continued)
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Details of a Qi Wireless Power System and BQ51013C Power Transfer Flow Diagrams
8.3.2
RILIM Calculations
8.3.3
Input Overvoltage
8.3.4
Adapter Enable Functionality and EN1/EN2 Control
8.3.5
End Power Transfer Packet (WPC Header 0x02)
8.3.6
Status Outputs
8.3.7
WPC Communication Scheme
8.3.8
Communication Modulator
8.3.9
Adaptive Communication Limit
8.3.10
Synchronous Rectification
8.3.11
Temperature Sense Resistor Network (TS)
8.3.12
3-State Driver Recommendations for the TS/CTRL Pin
8.3.13
Thermal Protection
8.3.14
WPC v1.3 Compliance – Foreign Object Detection
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
BQ51013C Wireless Power Receiver Used as a Power Supply
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Using the BQ51013C as a Wireless Power Supply: (See Figure 1-1 )
9.2.1.2.2
Series and Parallel Resonant Capacitor Selection
9.2.1.2.3
Recommended RX Coils
9.2.1.2.4
COMM, CLAMP, and BOOT Capacitors
9.2.1.2.5
Control Pins and CHG
9.2.1.2.6
Current Limit and FOD
9.2.1.2.7
RECT and OUT Capacitance
9.2.2
Dual Power Path: Wireless Power and DC Input
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curves
9.2.3
Wireless and Direct Charging of a Li-Ion Battery at 400 mA
9.2.3.1
Design Requirements
9.2.3.2
Detailed Design Procedure
9.2.3.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.1.2
Development Support
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Revision History
14
Mechanical, Packaging, and Orderable Information
Data Sheet
BQ51013C: Highly Integrated Wireless Receiver Qi (WPC v1.3) Compliant Power Supply