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MT6325
PMIC Datasheet
Confidential A
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Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
3.2.12 Interrupt and Watchdog ........................................................................................ 46
3.2.13 SPI Interface ......................................................................................................... 51
3.2.14 GPIO List .............................................................................................................. 53
3.3 Register Table and Descriptions .............................................................................................. 54
4 Application Notes ........................................................................................................................... 55
4.1 Hardware External Shutdown ................................................................................................. 55
4.2 Configuration for Unused Buck Converter ............................................................................... 56
5 MT6325 Packaging ......................................................................................................................... 57
5.1 Package Dimensions .............................................................................................................. 57
Appendix ................................................................................................................................................. 58
Lists of Tables and Figures
Table 1-1. MT6325 pin descriptions ........................................................................................................ 7
Table 2-1. Absolute maximum ratings................................................................................................... 12
Table 2-2. Pin voltage range .................................................................................................................. 12
Table 2-3. Operation condition ............................................................................................................. 17
Table 2-4. General electrical specifications ........................................................................................... 17
Table 2-5. Buck specifications ............................................................................................................... 18
Table 2-6. LDO specifications ............................................................................................................... 23
Table 2-7. Sink LDO specifications ....................................................................................................... 25
Table 2-8. Driver specifications ............................................................................................................ 25
Table 2-9. Class AB/D audio amplifier specifications ........................................................................... 26
Table 3-1. Buck converter brief specifications ....................................................................................... 33
Table 3-2. LDO types and brief specifications ....................................................................................... 33
Table 3-3. Application and input range of ADC channels ..................................................................... 43
Table 3-4. Functional specifications of XOSC32 ................................................................................... 46
Table 3-5. Recommended parameters of 32kHz crystal........................................................................ 46
Table 3-6. MT6325 interrupts ............................................................................................................... 48
Table 3-7. MT6325 GPIO list ................................................................................................................ 53
Figure 1-1. MT6325 VFBGA 244 (7.4x7.8mm) pin assignment .............................................................. 7
Figure 3-1. MT6325 block diagram ....................................................................................................... 29
Figure 3-2. Power-on/off control sequence with XTAL by pressing PWRKEY ..................................... 30
Figure 3-3. Power-on/off control sequence with XTAL by charger plug in........................................... 31
Figure 3-4. Configuration for indicator LED drivers............................................................................. 35
Figure 3-5. Configuration for ERM driver ............................................................................................. 36
Figure 3-6. Audio CODEC and accessory detection block diagram ....................................................... 37
Figure 3-7. Block diagram of class-AB/D .............................................................................................. 38
Figure 3-8. Block diagram of battery charger ....................................................................................... 39
Figure 3-9. The flow chart of charging states ........................................................................................ 41
Figure 3-10. Fuel gauge block diagram and external connection .......................................................... 44
Figure 3-11. RTC configuration methods for XTAL ............................................................................... 45
Figure 3-12. RTC configuration methods for w/o XTAL mode ............................................................. 45
Figure 4-1. Hardware external shut-down function .............................................................................. 55
Figure 4-2. Configuration for unused DC/DC ....................................................................................... 56
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