BQ500414Q Datasheet, PDF (2/34 Pages) Texas Instruments – Qi Compliant Wireless Power Transmitter Manager

bq500414Q
SLUSBE4B – JANUARY 2014 – REVISED JUNE 2014
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Simplified Diagram ................................................ 1
5 Revision History..................................................... 2
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ..................................... 5
7.2 Handling Ratings....................................................... 5
7.3 Recommended Operating Conditions....................... 6
7.4 Thermal Information .................................................. 6
7.5 Electrical Characteristics........................................... 7
7.6 Typical Characteristics .............................................. 8
8 Detailed Description .............................................. 9
8.1 Overview ................................................................... 9
8.2 Functional Block Diagram ......................................... 9
8.3 Feature Description................................................. 10
8.4 Device Functional Modes........................................ 17
9 Applications and Implementation ...................... 19
9.1 Application Information............................................ 19
9.2 Typical Application .................................................. 19
10 Power Supply Recommendations ..................... 23
11 Layout................................................................... 23
11.1 Layout Guidelines ................................................. 23
11.2 Layout Example .................................................... 24
12 Device and Documentation Support ................. 27
12.1 Device Support...................................................... 27
12.2 Trademarks ........................................................... 27
12.3 Electrostatic Discharge Caution ............................ 27
12.4 Glossary ................................................................ 27
13 Mechanical, Packaging, and Orderable
Information ........................................................... 27
5 Revision History
Changes from Original (January 2014) to Revision A
Page
• Updated preview document to full version. ............................................................................................................................ 1
Changes from Revision A (March 2014) to Revision B
Page
• Deleted all references to the Wireless Power Consortium (WPC) A19 and A21 Transmitter Type Specifications. .............. 1
• Changed Enhanced Parasitic Metal Object Detection (PMOD) bullet. ................................................................................. 1
• Changed bq500414Q description. .......................................................................................................................................... 1
• Changed Pin Functions Table EMI_SHIELD pin from O to I. ............................................................................................... 4
• Changed Pin Functions Table COIL_SEL pin from I/O to I.................................................................................................... 4
• Changed JEDEC document JEP157 Handling Ratings note. ................................................................................................ 5
• Changed Foreign Object Detection (FOD) and Parasitic Metal Object Detect (PMOD) Calibration description. ............... 13
• Changed Over-Current Protection description. .................................................................................................................... 16
• Changed Over-Voltage Protection section. .......................................................................................................................... 16
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