MT6318 PMIC Specification
Preliminary Information Datasheet
MediaTek Confidential Revision 1.0 – Oct 11, 2006 Page 4 of 64
© 2005-2006 MediaTek, Inc.
The information contained in this document cannot be distributed or reproduced without the prior written permission of MediaTek, Inc.
Table of Contents
Legal Disclaimer ........................................................................................................................................................... 2
Revision History ........................................................................................................................................................... 3
Table of Contents.......................................................................................................................................................... 4
1 Introduction ......................................................................................................................................................... 6
1.1 Features ......................................................................................................................................................... 6
1.2 Applications .................................................................................................................................................... 6
1.3 General Description ........................................................................................................................................ 6
1.4 Ordering Information....................................................................................................................................... 6
1.5 Pin Assignments and Descriptions.................................................................................................................. 7
2 Electrical Characteristics ................................................................................................................................. 10
2.1 Absolute Maximum Ratings over Operating Free-Air Temperature Range ................................................... 10
2.2 Recommended Operating Range ................................................................................................................. 10
2.3 Electrical Characteristics .............................................................................................................................. 10
2.4 Regulator Output .......................................................................................................................................... 11
2.5 SPI Switchable Powers................................................................................................................................. 13
2.6 Speaker Amplifier.......................................................................................................................................... 14
2.7 SIM Interface ................................................................................................................................................ 14
2.8 Charger Circuit.............................................................................................................................................. 15
2.9 Electrical Characteristics Waveform ............................................................................................................. 16
3 Pin Assignments ............................................................................................................................................... 28
4 Introduction ....................................................................................................................................................... 31
4.1 Overview....................................................................................................................................................... 31
4.2 Terms and Definitions ................................................................................................................................... 32
5 Functional Description ..................................................................................................................................... 33
5.1 General......................................................................................................................................................... 33
5.2 State Timing.................................................................................................................................................. 36
5.3 PMIC Functional Blocks................................................................................................................................ 38
5.3.1 Charger Circuit ....................................................................................................................................... 38
5.3.2 Low Dropout Regulator (LDOs) and Reference ..................................................................................... 45
5.3.3 LED Drivers............................................................................................................................................ 46
5.3.4 Control for Backlight Driver .................................................................................................................... 47
5.3.5 Dimming Control..................................................................................................................................... 47
5.3.6 Battery Voltage Monitor .......................................................................................................................... 48
5.3.7 Speaker Amplifier ................................................................................................................................... 48
5.3.8 SPI ......................................................................................................................................................... 48
5.4 Register Table and Descriptions ................................................................................................................... 49
5.5 Connection to the Baseband ........................................................................................................................ 57
6 MT6318 Packaging............................................................................................................................................ 58
6.1 Package Dimensions .................................................................................................................................... 58
6.2 Application Examples ................................................................................................................................... 60
Appendix ..................................................................................................................................................................... 61
