Table Of ContentCONFIDENTIAL B
MT6360 Design Notice
(for MT6785)
V1.0
2019/10/01
History
Revision Date Author Description
V0.1 2019/01/10 Ice Initial
1. Update RGB supply current 1-channel with typo
2. Update charger current up to 3A.
3. Update description in “Charger: CHRDETB, VBUS OVP”. (VBUS>OVP: has INT to
V0.2 2019/02/19 Ice
AP, and stop charging forprotection (by CHG_VIN OVP=14.5V))
4. Update description in “USB PD: Application”. (PD_VCONN5V connect to VSYS
w/o diode)
1. Update charging current is programmable from 0.3A to 3A in “Charger: Constant
Current”.
V0.3 2019/03/13 Ice
2. Update typo in “Charger: Safety Timer”.
3. Change “VPU” wordto “APU”.
V0.4 2019/03/25 Ice 1. Update LDO5 (VMCH) layout constraint. (L1=7nH to 20nH)
V0.5 2019/05/15 Ice 1. Update “Update Figure for Chip Placement Recommendation ”
1. RemoveOTG OC 3A.
2. Update VCHG_VIN OVP from10.5V to 11V.
V0.6 2019/06/04 Ice
3. Update FAULTB block figure.
4. Update UVLO/HW trapping register address.
CONFIDENTIAL B 1
History
Revision Date Author Description
1. Modify formatabout “Connection forUn-used Pin”.
2. Update un-used pin about “VREF_TS/TS”
V0.7 2019/07/31 Ice 3. Add “SDA Trace Layout Constraint”
4. Update LDO1/2/3/5 output voltage range in “MT6360 Buck/LDO PowerPlan”.
5. Update LDO6 layout constraint in “MT6360 LDO Layout Constraint #1”.
V1.0 2019/10/01 Ice 1. Update to V1.0 without change
CONFIDENTIAL B 2
Content
▪ MT6360 Introduction
▪ Function Description
▪ PCB Layout Guideline
CONFIDENTIAL B 3
Block Interface Overview
3A
Switching
USB PD
Charger
Flash LED
LDO * 6
MT6360
2.5A/2-CH
RGB Driver
Buck *2
4 Channel
CONFIDENTIAL B
Schematic Overview
VBATS pin is Kelvin-sense trace
which must be connect to
battery connector
TVS for surge protection
PD_CC1/PD_CC2 =10mil
Put TVS for ESD protection if D+/D-, ID pin
connect to USB connector
FL_LEDCS1 and FL_LEDCS2
* I2C bus must be dedicated connection to AP
trace wide must be base on
for MT6360USB_PD application, and I2C bus
flash current
speed must be >1MHz
CONFIDENTIAL B 5
Schematic Overview
Detect the R on UVLO_SEL and HW_TRAPPING
LDO_VIN1 for LDO1/2/3
LDO_VIN2 for LDO5
LDO_VIN3 for LDO6/7
BUCK1 for APU
LDO1 for VFP
BUCK1 /2 _VOUT & RSGND
pin is Kelvin-sense trace LDO2 for VTP
LDO3 for VMC
LDO5 for VMCH
LDO6 for VMDDR
BUCK2 for VDRAM1
LDO7 for VDRAM2
Note:
Even if LDO5 is no used, LDO_VIN2 MUST keep connect to VSYS power.
CONFIDENTIAL B
Charger Feature List
Feature list Description
ICC level: 0.5A~3A, 0.1A/step
Charge Current Regulation
VBAT = 3.8V, I > 1000mA(TC = 30°C to 65°C), Accuracy ±5%
CHG
CV level: 3.9V~4.71V, 10mV/step
Charge Voltage Regulation VOREG_CHG = 4.2V, 4.35V, 4.36V, or VOREG_CHG = 4.38V ,
T = 0°C to 70°C, Accuracy: ±0.5%
C
Average Input Current Regulation (AICR) AICRlevel: 0.1A/0.15A~3.25A, 50mA/step
1.5MHz(default)
Synchronous 1.5Mz/0.75MHz
0.75MHz/1MHz/1.5MHz selectable
Fixed-Frequency PWM
Controller with up to 95% Duty Cycle
120℃(default)
Thermal Regulation and Protection
100℃/120℃selectable
Over-Temperature Protection Thermal shutdown threshold temperature = 150℃, Hysteresis=40℃
VBUSOVP High Threshold: 10.5V (default)
VBUSOVP Range= 6.0V~14.5V. Hysteresis=150mV.
CHRDETB
VBUSUVLO High Threshold: 3.7V (default)
VBUSUVLO Range= 2.6V~3.7V. Hysteresis=150mV.
OTGoutput: 5.05V (default)
OTG outputvoltage range: 4.425V~5.825V, 50mV/step.
USB OTG
OTG OC: 1.3A (default)
OTG OC: 0.5A/0.7A/1.1A/1.3A/1.8A/ 2.1A/2.4A.
USB B.C. v.1.2 Detection USB B.C. v1.2 charging port compliance
6.5V (default)
CHG_VIN Over-Voltage Protection Threshold
VCHG_VIN rising, I2C programmable 5.5V/6.5V/11V/14.5V)
Integrated ADCs for System Monitoring ADC channel: VBUS_DIV5/VBUS_DIV2/VBAT/VSYS/IBUS/IBAT/TEMP_JC/USB_ID/TS_USB
2.8V falling (default)
Low Battery Protection for Boost Operation
2.8V/2.7V~3.8V, 0.1V/step.
Charging Watchdog (reset to default)
Watchdog time-out protection to stop charging
Charging Safetytimer
IRQ(interrupt function) IRQ pin support INT to AP
MTK PumpExpressCharging Support MTK PumpExpress+1.1 and 2.0 by HW auto-control.
CONFIDENTIAL B
USB PD Feature List
Feature list Description
Dual-role PD compatible
USB PD Power role Support
Attach/Detach detection as host, device or DRP
Source mode:
Voltage: 5V ±5%
Current: 2A (max)
Current capability definition and detection
Sink mode:
Voltage: 5V~14V ±5%
Current: 3A (max)
Cable recognition Get e-marked cable capabilities
The USB Power Delivery Structured VDMs are defined
Alternate mode support
to extend the functionality a device exposes.
VCONN input Over-Voltage Protection 6V
400mA (default)
Supporting VCONN with programmable OCP
VCONN level: 200mA~800mA, 100mA/step
Dead battery support CC always is RD mode when dead battery
BMC BIST mode supported BMC Built in Self-Test
Supported PD 3.0 Support Universal Serial Bus Power Delivery Specification 3.0
CONFIDENTIAL B
Flash LED Driver Feature List
Feature list Description
Synchronous Boost Dual Flash LED Driver with Dual The max strobe current of each channel = 1.5A
Independently-Programmable LED Current Sources The total max strobe current of 2-CH = 2.5A
I2C-Programmable Flash Safety Timer FLED strobe timeout: 64ms~2432ms, 32ms/step
Flash LED1/LED2 Short-Circuit Protection, and
LEDCS Shortprotection threshold < 1V, delay time = 2.5ms
Output Short-Circuit Protection
TX_ActiveLevel=H (default)
TX_ActiveLevel=L / TX_ActiveLevel=H selectable
TX Mask Protection with dedicated FL_TXMASK Pin
All FLEDs' TX function disable (default)
Can select onlyLEDCS1 or LEDCS2 or both LEDCS1 & LEDCS2 be enabled TXMASK function
Shared Charger/OTG as Power Stage Can save one inductor cost by use the same boost circuit of OTG mode
Fix mode (default)
Support Auto-Tracking Mode MID Regulation Level by Fix mode/MID Regulation Level by auto-tracking selectable
Can gain more efficiency by Auto-Tracking Mode
Independent Torch Bypass MOSFET from VSYS TA can also support Torch current
Torch Mode Current Torch mode current level: 25mA~400mA, 12.5mA/step
ULTRA LOW ISTRB=0
Strobe mode current level: 50mA~1500mA, 12.5mA/step
Strobe Mode Current
ULTRA LOW ISTRB=1
Strobe mode current level: 25mA~750mA, 6.25mA/step
CONFIDENTIAL B
