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MT6325_PMIC_Data_Sheet_V01_password_6493012377_NoRestriction.pdf
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loginid=maple.zhou@szhq.com,time=2014-10-08 12:17:27,ip=116.25.8.220,doctitle=MT6325_PMIC_Data_Sheet_V01.pdf,company=HQUnited_WCX
© 2014 MediaTek Inc.
This document contains information that is proprietary to MediaTek Inc.
Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
Version: 0.1
Release date: 2014-05-08
Specifications are subject to change without notice.
MT6325 PMIC Datasheet
M
MEDIATEK CONFIDENTIAL
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loginid=maple.zhou@szhq.com,time=2014-10-08 12:17:27,ip=116.25.8.220,doctitle=MT6325_PMIC_Data_Sheet_V01.pdf,company=HQUnited_WCX
MT6325
PMIC Datasheet
Confidential A
MediaTek Confidential
© 2014 MediaTek Inc.
Page 2 of 58
This document contains information that is proprietary to MediaTek Inc.
Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
Document Revision History
Revision
Date
Author
Description
0.1
2014-04-30
ShangYing Chung
Initial draft
Me
dia
Tek
Co
nfid
enti
al
A
MEDIATEK CONFIDENTIAL
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loginid=maple.zhou@szhq.com,time=2014-10-08 12:17:27,ip=116.25.8.220,doctitle=MT6325_PMIC_Data_Sheet_V01.pdf,company=HQUnited_WCX
MT6325
PMIC Datasheet
Confidential A
MediaTek Confidential
© 2014 MediaTek Inc.
Page 3 of 58
This document contains information that is proprietary to MediaTek Inc.
Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
Table of Contents
Document Revision History ......................................................................................................................... 2
Table of Contents ....................................................................................................................................... 3
1 Overview ......................................................................................................................................... 5
1.1 Features ................................................................................................................................. 5
1.2 Applications ............................................................................................................................ 5
1.3 General Descriptions ............................................................................................................... 5
1.4 Ordering Information .............................................................................................................. 6
1.5 Top Marking Definition ............................................................................................................ 6
1.6 Pin Assignments and Descriptions ............................................................................................ 7
2 Electrical Characteristics ................................................................................................................. 12
2.1 Absolute Maximum Ratings over Operating Free-Air Temperature Range .................................. 12
2.2 Thermal Characteristic ........................................................................................................... 12
2.3 Pin Voltage Range ................................................................................................................. 12
2.4 Recommended Operating Range ............................................................................................ 17
2.5 Electrical Characteristics ........................................................................................................ 17
2.6 Regulator Output .................................................................................................................. 18
2.7 Sink LDO ............................................................................................................................... 25
2.8 Driver ................................................................................................................................... 25
2.9 Class AB/D Audio Amplifier .................................................................................................... 26
2.10 Battery Charger ..................................................................................................................... 27
2.11 BC1.x .................................................................................................................................... 27
2.12 Down Load Without Battery ................................................................................................... 28
2.13 AUXADC ............................................................................................................................... 28
2.14 Fuel Gauge ........................................................................................................................... 28
3 Functional Descriptions .................................................................................................................. 29
3.1 General Descriptions ............................................................................................................. 29
3.2 PMIC Functional Blocks .......................................................................................................... 29
3.2.1 Power-On/Off Sequence ........................................................................................ 30
3.2.2 Buck Converter and Application Reference ............................................................. 32
3.2.3 Low Dropout Regulator (LDOs) and Application Reference ....................................... 33
3.2.4 Drivers ................................................................................................................. 35
3.2.5 Vibrator Driver...................................................................................................... 35
3.2.6 Audio CODEC and Accessory Detection ................................................................... 36
3.2.7 Class-AB/D Audio Amplifier .................................................................................... 38
3.2.8 Battery Charger (Charger Controller) ...................................................................... 39
3.2.9 AUXADC ............................................................................................................... 43
3.2.10 Fuel Gauge ........................................................................................................... 43
3.2.11 Real-time Clock ..................................................................................................... 44
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MT6325
PMIC Datasheet
Confidential A
MediaTek Confidential
© 2014 MediaTek Inc.
Page 4 of 58
This document contains information that is proprietary to MediaTek Inc.
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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MT6325
PMIC Datasheet
Confidential A
MediaTek Confidential
© 2014 MediaTek Inc.
Page 5 of 58
This document contains information that is proprietary to MediaTek Inc.
Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
1 Overview
1.1 Features
Handles all 2G/3G/4G smart phone
baseband power management
Input range: 2.5 ~ 4.5V
8 buck converters and 28 LDOs
optimized for specific 2G/3G/4G smart
phone subsystems
Full-set high-quality audio feature:
Supports uplink/downlink audio CODEC.
32K RTC oscillator for system timing, 1.8
and 2.8V clock buffer output
Flexibility for various configurations of
indicator LED current source: 3 ISINK
SPI interface
Li-ion battery charging function
USB Battery Charging Specification ver
1.1/1.2 (BC1.x) Compliance
Over-current and thermal overload
protection
Programmable under voltage lockout
protection
Watchdog reset
Flexibility hardware PMIC reset function
Power-on reset and start-up timer
Precision voltage, temperature, and
current measurement fuel gauge
244-pin VFBGA package
1.2 Applications
MT6325 is ideal for power management of 2G,
3G and 4G smart phones and other portable
systems.
1.3 General Descriptions
MT6325 is a power management system chip
optimized for 2G/3G/4G handsets and smart
phones, containing 8 buck converters and 28
LDOs optimized for specific 2G/3G/4G smart
phone subsystems.
LED drivers support up to 3 channels of LEDs
with independent control. Flexible control
includes register mode, PWM mode and breath
mode.
Sophisticated controls are available for power-
up, battery charging and the RTC alarm.
MT6325 is optimized for maximum battery life,
allowing the RTC circuit to stay alive without a
battery for several hours.
MT6325 adopts SPI interface and 2 SRCLKEN
control pins to control buck converters, LDOs,
and various drivers; it provides enhanced
safety control and protocol for handshaking
with BB.
MT6325 is available in a 244-pin VFBGA
package. The operating temperature ranges
from -25 to +65°C.
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