SLUSBC8C
December 2013 – July 2018
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Wireless Power Consortium (WPC or Qi) Inductive Power System
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin 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
8.1.1
A Brief Description of the Wireless System
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Details of a Qi Wireless Power System and bq51003 Power Transfer Flow Diagrams
8.3.2
Dynamic Rectifier Control
8.3.3
Dynamic Efficiency Scaling
8.3.4
RILIM Calculations
8.3.5
Input Overvoltage
8.3.6
Adapter Enable Functionality and EN1/EN2 Control
8.3.7
End Power Transfer Packet (WPC Header 0x02)
8.3.8
Status Outputs
8.3.9
WPC Communication Scheme
8.3.10
Communication Modulator
8.3.11
Adaptive Communication Limit
8.3.12
Synchronous Rectification
8.3.13
Temperature Sense Resistor Network (TS)
8.3.14
3-State Driver Recommendations for the TS-CTRL Pin
8.3.15
Thermal Protection
8.3.16
WPC v1.2 Compliance – Foreign Object Detection
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
bq51003 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 bq51003 as a Wireless Power Supply
9.2.1.2.2
Series and Parallel Resonant Capacitor Selection
9.2.1.2.3
COMM, CLAMP, and BOOT Capacitors
9.2.1.2.4
Control Pins and CHG
9.2.1.2.5
Current Limit and FOD
9.2.1.2.6
RECT and OUT Capacitance
9.2.1.3
Application Curves
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
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
Development Support
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
YFP|28
MXBG159A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusbc8c_oa
slusbc8c_pm
12.1.1
Development Support
For development support, see the following:
TIDA-00318 Qi (WPC) Compliant Wireless Charger for Low Power Wearable Applications
TIDA-00329 Tiny Wireless Receiver for Low Power Wearable Applications Reference Design
TIDA-00712 Smartwatch Battery Management Solution Reference Design
TIDA-00668 50mA Wireless Charger Booster Pack Reference Design
TIDA-00881 50mA Wireless Charger with 19mm Coil BoosterPack Reference Design
PMP11311 Power Reference Design for a Wearable Device with Wireless Charging using the bq51003 and bq25120