SLUSEE3
July 2021
BQ51013B-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
6
Device Comparison Table
7
Pin Configuration and Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Typical Characteristics
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
10
Application 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 Figure 1-1 )
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
10.2.2.1
Design Requirements
10.2.2.2
Detailed Design Procedure
10.2.2.3
Application Curves
10.2.3
Wireless and Direct Charging of a Li-Ion Battery at 800 mA
10.2.3.1
Design Requirements
10.2.3.2
Detailed Design Procedure
10.2.3.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.1.1
Third-Party Products Disclaimer
13.1.2
Development Support
13.2
Receiving Notification of Documentation Updates
13.3
Support Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RHL|20
MPQF155K
Thermal pad, mechanical data (Package|Pins)
RHL|20
QFND618A
Orderable Information
slusee3_oa
slusee3_pm
1
Features
Qualified for automotive applications
AEC-Q100 qualified with the following results:
Device temperature grade 1: –40°C to +125°C ambient operating temperature
Device HBM ESD classification level 2
Device CDM ESD classification level C4B
Integrated wireless power supply receiver solution
93% overall peak AC-DC efficiency
Full synchronous rectifier
WPC v1.2 compliant communication control
Output voltage conditioning
Only IC required between Rx coil and output
Wireless power consortium (WPC) v1.2 compliant (FOD enabled) highly accurate current sense
Dynamic rectifier control for improved load transient response
Dynamic efficiency scaling for optimized performance over wide range of output power
Adaptive communication limit for robust communication
Supports 20-V maximum input
Low-power dissipative rectifier overvoltage clamp (V
OVP
= 15 V)
Thermal shutdown
Multifunction NTC and control pin for temperature monitoring, charge complete, and fault host control