Table Of ContentCONFIDENTIAL B
MT6359 Design Notice
(for MT6779)
V1.0
2019/07/31
History
Revision Date Author Description
V0.1 2018/07/29 Ice Initial
1. Add VS1/VS2 remote sensing constraint
2. Add BATON differential description
3. Update VSIM1/VSIM2/VIO28/VEMC, VXO22/VRFCK/VBBCK LDO layout constraint
V0.2 2018/10/08 Ice 4. Update VA09/VA12/VUSB LDO cap range
5. Update VCN33 default off 3.3V
6. Update power on/off sequence: VPU/XO_SOC/32K
7. Update PCB layout guideline
1. Update power plan with VGPU up to 1.05V, VMCH=3V,
MT6360 LDO1/2/3/7 current.
2. Update “Power ON/OFF Sequence” with MT6360 power domain and VBBCK
/VRFCK.
3. Add “VAUX18 Behavior in Power-off Mode”
V0.3 2018/11/16 Ice
4. Update more description about “Power Domain for I/O”
5. Update in “Layout Constraint of LDO”, “Note: For near-end Cap C1 can be
removed if meet above spec.”
6. Update fig in “Controller power trace layout constraint”.
7. Update description about “Chip Placement Recommendation”
CONFIDENTIAL B 1
History
Revision Date Author Description
1. Add “RTC EOSC Cali Mode VXO22 Power on/offBehavior”
V0.4 2019/01/10 Ice
2. Update typo “VAXU18” to “VAUX18”
1. Add “Update Figure forChip Placement Recommendation”
V0.5 2019/05/15 Ice 2. Update VPA Imax=1000mA (align MT6359 datasheet)
3. Update “MT6359 PMIC Part Number Notice”
V0.6 2019/05/31 Ice 1. Update RTC part, add the description about “How to set 32K driving”
V1.0 2019/07/31 Ice 1. Modify VIBR output voltage range from “1.2V~3.3” to “2.7V to 3.3V”.
CONFIDENTIAL B 2
Content
▪ MT6359 Introduction
▪ Function Description
▪ Reference Design
▪ Function Block Notice
▪ PCB Layout Guideline
CONFIDENTIAL B 3
MT6359 – General Description
▪ The MT6359 highly integrated function fulfill all power requirement in smart
phone system
• Buck Converters
MT6359 x 10 (VPROC1, VPROC2, VGPU11/12, VCORE, VMODEM, VPU, VPA, VS1, VS2)
• LDOs
▪ Analog LDO * 6
▪ Digital LDO * 25
▪ RTC * 1
• Audio
▪ Audio Codec
▪ Audio Line Out
• RTC Macro
• Fuel Gauge
• XO Control and Output
CONFIDENTIAL B 4
MT6359 + MT6360 Power Plan
AC Adaptor
or MT6359 MT6360
USB VBUS
MT6360
VSYS
Charger
Current Sinks RL/EGD/sB Buck 0.5VV1 P~A A3.6V OFF 3GP/ALTE DV1D.8DV,1 180_mDAIG ON PDMIGIC 3V.5CVN, 83030_m1A OFF MT6635 2V.8BV,I F502m8A OFF Battseernys toermp.
LDO VPROC2 ON CPU Little 2.V8VR, T2Cm A ON RTC 3V.5CVN, 83030_m2A OFF (WCN) 2.8VVF, 2E0208mA OFF RFFE
BATFET 0.4V4 ~.8 1A.19V 0.6V ~ 1.12V 2.8VVI, O20208mA OFF SeIOn s&o r 3.07VVU, 2S0B0mA ON UASuBd 2io.0
TyUpSeB- C TypeC/PD VBAT 0V.4PV4R ~.8O 1A.C191V ON 0.C6PVU ~ 1B.1ig2V 3VVV, M2M0C0CmHA OOFFFF (SMDSS DCDCa r1d) 1V.8A4VU, X501m8A ON AUXADC
3V, 800mA CARD VXO22 ON
CCuarmreenrta D Frlaivsehr BaPtatcekry 0.4VV2 ~.P4 1UA.19V ON 0.55VV P~U 0.85V VAUD18 ON Audio DL 3VV, E8M00mCA ON eMMC 2.2V4RV,F 5C0KmA ON RFD CCXloOck
Audio UL
1.8V, 300mA VIBR OFF 1.6V, 25mA Buffer
V0.M4V4O ~.8 D1A.E10MV ON 0M.55OVD ~E 0M.9V 1V.8CVA, 3M00ImOA OFF Camera IO 2.8VVS, I2M001mA OFF Vibrator VCAMAF_EXT OFF Camera AF
SIM1
VCN18 OFF MT6635 1.86V, 200mA
0.V4VC4 ~.O8 1AR.1E9V ON 0.55VS o~C 0.85V 1.8VV,R 1F21008mA OFF M(WT6C1N8)6 1.8V6VS,I M2002mA OFF SIM2 EVXCTA1M/2A/3 OFF CAamVDeDra
1.8V, 450mA RF VFP OFF Finger
RF Power Msteomraogrey / 0.V40GV4P .~8U A11.119V ON GPU 1.8VVI, O60108mA ON RFEIO M,IPI 1.8VV, 1T5P0mA OFF TPoruincth
WCN Power Peripherals 0.V40GV4P .~8U A11.129V 0.55V ~ 1.05V 1.V8VVE,UF 3U0F0SSmEA OOFNF UFeSF/uMseMC 1.8V, 200mA Panel LCD BL Driver OFF
1.86V, 1200mA LCM
System Camera Power V2SA1 ON VM18 ON DDR LCD +/- Bias OFF
Power Display Power 2.0V 1.8V, 300mA
VS2 ON VCN13 OFF MT6635
External Power 1.23A5V 1.3V, 350mA (WCN)
VRF12 OFF MT6186
1.2V, 800mA RF
VA12 ON
ABB
1.2V, 300mA
VCAMD OFF Camera
EXT1/2/3 DVDD
VSRAM_PROC1 ON
CPU-B SRAM
0.5V~1.29V 600mA
VSRAM_PROC2 ON
CPU-L SRAM
0.5V~1.29V 600mA
VSRAM_OTHERS ON
SoC SRAM
0.5V~1.29V 600mA
VSRAM_MD ON
MD SRAM
0.5V~1.29V 600mA
VA09 ON VMDDR ON
VM3DALA ON MDLA 0.9V, 300mA SSUSB, UFS 0.75V, 300mA DDRPHY
0.3V ~ 1.3V 0.55V ~ 0.85V VBBCK ON BB Clock VDRAM 2 ON
CONFIDENTIAL B VDRAM 1 1.2V, 40mA Buffer 0.6V, 600mA LPDDR4x 5
3A
1.125V
MT6359 Buck Power Plan
OutputVoltage
Circuit Type Name Boot Default (V) I (mA)
OUT-MAX
Range (V)
0.40 ~ 1.19
VPROC1 ON (0.80) 4800
(6.25mV/step)
0.40 ~ 1.19
VPROC2 ON (0.80) 4800
(6.25mV/step)
0.40 ~ 1.19
VGPU11/12 ON (0.55) 4800 *2
(6.25mV/step)
0.40 ~ 1.19
VCORE ON (0.80) 4800
(6.25mV/step)
0.40 ~ 1.10
Buck VMODEM ON (0.85) 4800
(6.25mV/step)
0.40 ~ 1.19
VPU ON (0.55) 2400
(6.25mV/step)
1.86 ~ 2.20
VS1 ON (2.0) 2000
(12.5mV/step)
1.20 ~ 1.60
VS2 ON (1.35) 2000
(12.5mV/step)
0.50 ~ 3.60
VPA OFF 1000
(50mV/step)
CONFIDENTIAL B 6
MT6359 LDO Power Plan (1/4)
Circuit Type Name OutputVoltage (V) Boot Default (V) I (mA) Expected use
OUT-MAX
VFE28 2.80 OFF (2.8) 200 RFFE
VUSB 3.07 ON (3.07) 200 USB
VAUX18 1.84 ON (1.84) 50 AUXADC
ALDO
VXO22 2.24 ON (2.24) 50 DCXO
VRFCK 1.60 ON (1.6) 25 DCXO
VBIF28 2.80 OFF (2.8) 50 Battery Interface
VRTC VRTC 2.80 ON (2.8) 2 RTC
VDIG DVDD18_DIG 1.80 ON (1.8) 10 PMIC Digital
CONFIDENTIAL B 7
MT6359 LDO Power Plan (2/4)
Circuit Type Name OutputVoltage (V) Boot Default (V) I (mA) Expected use
OUT-MAX
1.7/1.8/1.86/
VSIM1 OFF (1.86) 200 SIM
2.76/3.0/3.1
1.7/1.8/1.86/
VSIM2 OFF (1.86) 200 SIM
2.76/3.0/3.1
VCN33_1 3.3/3.4/3.5/3.6 OFF (3.3) 800 Connectivity
DLDO VCN33_2 3.3/3.4/3.5/3.6 OFF (3.3) 800 Connectivity
VEMC 2.9/3.0/3.3 ON (3.0) 800 eMMC / UFS
2.8/2.9/3.0/
VIO28 OFF (2.8) 200 IO & Sensor
3.1/3.2/3.3
VIBR 2.7/2.8/3/3.3 OFF (2.8) 200 Vibrator
CONFIDENTIAL B 8
MT6359 LDO Power Plan (3/4)
Circuit Type Name OutputVoltage (V) Boot Default (V) I (mA) Expected use
OUT-MAX
VEFUSE 1.80 OFF (1.8) 300 EFUSE
VAUD18 1.80 ON (1.8) 300 Audio
VCAMIO 1.80 OFF (1.8) 300 Camera IO
VM18 1.80 ON (1.8) 300 DRAM
SLDO1
VRF18 1.80 OFF (1.8) 450 RF
VIO18 1.80 ON (1.8) 600 IO & Sensor
VCN18 1.80 OFF (1.8) 1200 Connectivity
VUFS 1.86 ON (1.86) 1200 eMMC / UFS
CONFIDENTIAL B 9