SLUSBX7C
September 2014 – March 2017
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
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
Dynamic Rectifier Control
8.3.2
Dynamic Power Scaling
8.3.3
VO_REG Calculations
8.3.4
RILIM Calculations
8.3.5
Adapter Enable Functionality
8.3.6
Turning Off the Transmitter
8.3.6.1
WPC v1.2 EPT
8.3.7
Communication Current Limit
8.3.8
PD_DET and TMEM
8.3.9
TS/CTRL
8.3.10
PMODE Pin
8.3.11
I2C Communication
8.3.12
Input Overvoltage
8.3.13
Alignment Aid Using Frequency Information
8.4
Device Functional Modes
8.5
Register Maps
8.5.1
Wireless Power Supply Current Register 1
8.5.2
Wireless Power Supply Current Register 2
8.5.3
Wireless Power Supply Current Register 3
8.5.4
I2C Mailbox Register
8.5.5
I2C Mailbox Register 2
8.5.6
I2C Mailbox Register 3
8.5.7
Wireless Power Supply FOD RAM
8.5.8
Wireless Power User Header RAM
8.5.9
Wireless Power USER VRECT Status RAM
8.5.10
Wireless Power VOUT Status RAM
8.5.11
Wireless Power Proprietary Mode REC PWR MSByte Status RAM
8.5.12
Wireless Power REC PWR LSByte Status RAM
8.5.13
Wireless Power Prop Packet Payload RAM Byte 0
8.5.14
Wireless Power Prop Packet Payload RAM Byte 1
8.5.15
Wireless Power Prop Packet Payload RAM Byte 2
8.5.16
Wireless Power Prop Packet Payload RAM Byte 3
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
WPC v1.2 Power Supply 7-V Output With 1.4-A Maximum Current With I2C
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Output Voltage Set Point
9.2.1.2.2
Output and Rectifier Capacitors
9.2.1.2.3
TMEM
9.2.1.2.4
Maximum Output Current Set Point
9.2.1.2.5
I2C
9.2.1.2.6
Communication Current Limit
9.2.1.2.7
Receiver Coil
9.2.1.2.8
Series and Parallel Resonant Capacitors
9.2.1.2.9
Communication, Boot, and Clamp Capacitors
9.2.1.3
Application Curves
9.2.2
Standalone 10-V WPC v1.2 Power Supply With 1-A Maximum Output Current in System Board
9.2.3
Standalone 10-V Power Supply With 1-A Maximum Output Current for 2S Charging System
9.2.3.1
Design Requirements
9.2.3.2
Detailed Design Procedure
9.2.3.2.1
Output Voltage Set Point
9.2.3.2.2
Output and Rectifier Capacitors
9.2.3.2.3
TMEM
9.2.3.2.4
Maximum Output Current Set Point
9.2.3.2.5
I2C
9.2.3.2.6
Communication Current Limit
9.2.3.2.7
Receiver Coil
9.2.3.2.8
Series Resonant Capacitors
9.2.3.2.8.1
Tuning Procedure
9.2.3.2.9
Communication, Boot, and Clamp Capacitors
9.2.3.2.10
VRECT Clamp
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
Receiving Notification of Documentation Updates
12.2
Community Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
YFP|42
MXBG339A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusbx7c_oa
slusbx7c_pm