SWCS138F
June 2017 – October 2024
TPS650864
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics: Total Current Consumption
6.6
Electrical Characteristics: Reference and Monitoring System
6.7
Electrical Characteristics: Buck Controllers
6.8
Electrical Characteristics: Synchronous Buck Converters
6.9
Electrical Characteristics: LDOs
6.10
Electrical Characteristics: Load Switches
6.11
Digital Signals: I2C Interface
6.12
Digital Input Signals (CTLx)
6.13
Digital Output Signals (IRQB, GPOx)
6.14
Timing Requirements
6.15
Switching Characteristics
6.16
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
TPS6508640 Design and Settings
7.3.1
TPS6508640 OTP Summary
7.4
TPS65086401 Design and Settings
7.4.1
TPS65086401 OTP Summary
31
7.5
TPS6508641 Design and Settings
7.5.1
TPS6508641 OTP Summary
7.6
TPS65086470 Design and Settings
7.6.1
TPS65086470 OTP Summary
7.7
SMPS Voltage Regulators
7.7.1
Controller Overview
7.7.2
Converter Overview
7.7.3
DVS
7.7.4
Decay
7.7.5
Current Limit
7.8
LDOs and Load Switches
7.8.1
VTT LDO
7.8.2
LDOA1–LDOA3
7.8.3
Load Switches
7.9
Power Goods (PGOOD or PG) and GPOs
7.10
Power Sequencing and VR Control
7.10.1
CTLx Sequencing
7.10.2
PG Sequencing
7.10.3
Enable Delay
7.10.4
Power-Up Sequence
7.10.5
Power-Down Sequence
7.10.6
Sleep State Entry and Exit
7.10.7
Emergency Shutdown
7.11
Device Functional Modes
7.11.1
Off Mode
7.11.2
Standby Mode
7.11.3
Active Mode
7.12
I2C Interface
7.12.1
F/S-Mode Protocol
7.13
Register Maps
7.13.1
Register Map Summary
7.13.2
DEVICEID1: 1st PMIC Device and Revision ID Register (offset = 00h) [reset = X]
7.13.3
DEVICEID2: 2nd PMIC Device and Revision ID Register (offset = 01h) [reset = X]
7.13.4
IRQ: PMIC Interrupt Register (offset = 02h) [reset = 0000 0000]
7.13.5
IRQ_MASK: PMIC Interrupt Mask Register (offset = 03h) [reset = 1111 1111]
7.13.6
PMICSTAT: PMIC Status Register (offset = 04h) [reset = 0000 0000]
7.13.7
SHUTDNSRC: PMIC Shut-Down Event Register (offset = 05h) [reset = 0000 0000]
7.13.8
BUCK1CTRL: BUCK1 Control Register (offset = 20h) [reset = X]
7.13.9
BUCK2CTRL: BUCK2 Control Register (offset = 21h) [reset = X]
7.13.10
BUCK3DECAY: BUCK3 Decay Control Register (offset = 22h) [reset = X]
7.13.11
BUCK3VID: BUCK3 VID Register (offset = 23h) [reset = X]
7.13.12
BUCK3SLPCTRL: BUCK3 Sleep Control VID Register (offset = 24h) [reset = X]
7.13.13
BUCK4CTRL: BUCK4 Control Register (offset = 25h) [reset = X]
7.13.14
BUCK5CTRL: BUCK5 Control Register (offset = 26h) [reset = X]
7.13.15
BUCK6CTRL: BUCK6 Control Register (offset = 27h) [reset = X]
7.13.16
LDOA2CTRL: LDOA2 Control Register (offset = 28h) [reset = X]
7.13.17
LDOA3CTRL: LDOA3 Control Register (offset = 29h) [reset = X]
7.13.18
DISCHCTRL1: 1st Discharge Control Register (offset = 40h) [reset = X]
7.13.19
DISCHCTRL2: 2nd Discharge Control Register (offset = 41h) [reset = X]
7.13.20
DISCHCTRL3: 3rd Discharge Control Register (offset = 42h) [reset = X]
7.13.21
PG_DELAY1: 1st Power Good Delay Register (offset = 43h) [reset = X]
7.13.22
FORCESHUTDN: Force Emergency Shutdown Control Register (offset = 91h) [reset = 0000 0000]
7.13.23
BUCK1SLPCTRL: BUCK1 Sleep Control Register (offset = 92h) [reset = X]
7.13.24
BUCK2SLPCTRL: BUCK2 Sleep Control Register (offset = 93h) [reset = X]
7.13.25
BUCK4VID: BUCK4 VID Register (offset = 94h) [reset = X]
7.13.26
BUCK4SLPVID: BUCK4 Sleep VID Register (offset = 95h) [reset = X]
7.13.27
BUCK5VID: BUCK5 VID Register (offset = 96h) [reset = X]
7.13.28
BUCK5SLPVID: BUCK5 Sleep VID Register (offset = 97h) [reset = X]
7.13.29
BUCK6VID: BUCK6 VID Register (offset = 98h) [reset = X]
7.13.30
BUCK6SLPVID: BUCK6 Sleep VID Register (offset = 99h) [reset = X]
7.13.31
LDOA2VID: LDOA2 VID Register (offset = 9Ah) [reset = X]
7.13.32
LDOA3VID: LDOA3 VID Register (offset = 9Bh) [reset = X]
7.13.33
BUCK123CTRL: BUCK1-3 Control Register (offset = 9Ch) [reset = X]
7.13.34
PG_DELAY2: 2nd Power Good Delay Register (offset = 9Dh) [reset = X]
7.13.35
SWVTT_DIS: SWVTT Disable Register (offset = 9Fh) [reset = X]
7.13.36
I2C_RAIL_EN1: 1st VR Pin Enable Override Register (offset = A0h) [reset = X]
7.13.37
I2C_RAIL_EN2/GPOCTRL: 2nd VR Pin Enable Override and GPO Control Register (offset = A1h) [reset = X]
7.13.38
PWR_FAULT_MASK1: 1st VR Power Fault Mask Register (offset = A2h) [reset = X]
7.13.39
PWR_FAULT_MASK2: 2nd VR Power Fault Mask Register (offset = A3h) [reset = X]
7.13.40
GPO1PG_CTRL1: 1st GPO1 PG Control Register (offset = A4h) [reset = X]
7.13.41
GPO1PG_CTRL2: 2nd GPO1 PG Control Register (offset = A5h) [reset = X]
7.13.42
GPO4PG_CTRL1: 1st GPO4 PG Control Register (offset = A6h) [reset = X]
7.13.43
GPO4PG_CTRL2: 2nd GPO4 PG Control Register (offset = A7h) [reset = X]
7.13.44
GPO2PG_CTRL1: 1st GPO2 PG Control Register (offset = A8h) [reset = X]
7.13.45
GPO2PG_CTRL2: 2nd GPO2 PG Control Register (offset = A9h) [reset = X]
7.13.46
GPO3PG_CTRL1: 1st GPO3 PG Control Register (offset = AAh) [reset = X]
7.13.47
GPO3PG_CTRL2: 2nd GPO3 PG Control Register (offset = ABh) [reset = X]
7.13.48
MISCSYSPG Register (offset = ACh) [reset = X]
7.13.48.1
VTT_DISCH_CTRL Register (offset = ADh) [reset = X]
7.13.49
LDOA1_SWB2_CTRL: LDOA1 and SWB2 Control Register (offset = AEh) [reset = X]
7.13.50
PG_STATUS1: 1st Power Good Status Register (offset = B0h) [reset = 0000 0000]
7.13.51
PG_STATUS2: 2nd Power Good Status Register (offset = B1h) [reset = 0000 0000]
7.13.52
PWR_FAULT_STATUS1: 1st Power Fault Status Register (offset = B2h) [reset = 0000 0000]
7.13.53
PWR_FAULT_STATUS2: 2nd Power Fault Status Register (offset = B3h) [reset = 0000 0000]
7.13.54
TEMPCRIT: Temperature Fault Status Register (offset = B4h) [reset = 0000 0000]
7.13.55
TEMPHOT: Temperature Hot Status Register (offset = B5h) [reset = 0000 0000]
7.13.56
OC_STATUS: Overcurrent Fault Status Register (offset = B6h) [reset = 0000 0000]
8
Applications, Implementation, and Layout
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Controller Design Procedure
8.2.2.1.1
Selecting the Inductor
8.2.2.1.2
Selecting the Output Capacitors
8.2.2.1.3
Selecting the FETs
8.2.2.1.4
Bootstrap Capacitor
8.2.2.1.5
Setting the Current Limit
8.2.2.1.6
Selecting the Input Capacitors
8.2.2.2
Converter Design Procedure
8.2.2.2.1
Selecting the Inductor
8.2.2.2.2
Selecting the Output Capacitors
8.2.2.2.3
Selecting the Input Capacitors
8.2.2.3
LDO Design Procedure
8.2.3
Application Curves
8.2.4
Layout
8.2.4.1
Layout Guidelines
8.2.4.2
Layout Example
8.2.5
VIN 5-V Application
8.2.5.1
Design Requirements
8.2.5.2
Design Procedure
8.2.5.3
Application Curves
8.3
Power Supply Coupling and Bulk Capacitors
8.4
Do's and Don'ts
9
Device and Documentation Support
9.1
Device Support
9.1.1
Third-Party Products Disclaimer
9.1.2
Development Support
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RSK|64
MPQF192B
Thermal pad, mechanical data (Package|Pins)
RSK|64
QFND521
Orderable Information
swcs138f_oa
swcs138f_pm
1
Features
Wide V
IN
range from 5.6V to 21V
Three variable-output voltage synchronous
step-down controllers with
D-CAP2™
Topology
Scalable output current using external fets with selectable current limit
I
2
C DVS control from 0.41V to 1.67V in
10mV steps or 1V to 3.575V in 25mV steps
Three variable-output voltage synchronous step-down converters with dcs-control topology
V
IN
range from
3V
to 5.5V
Up to 3 A of output current
I
2
C DVS control from 0.41V to 1.67V in
10mV steps or 0.425V to 3.575V in 25mV steps
Three LDO regulators with adjustable output voltage
LDOA1: I
2
C-selectable voltage from 1.35V to 3.3V for up to 200mA of output current
LDOA2 and LDOA3: I
2
C-selectable voltage from 0.7V to 1.5V for up to 600mA of output current each
VTT LDO for
DDR
memory termination
Three load switches with slew rate control
Up to 300mA of output current with voltage drop less than 1.5% of nominal input voltage
R
DSON
< 96mΩ at input voltage of 1.8V
5V fixed-output voltage LDO (LDO5)
Power supply for gate drivers of SMPS and for LDOA1
Automatic switch to external 5V buck for higher efficiency
Built-in flexibility and configurability by
factory
OTP programming
Six GPI pins configurable to enable (CTL1 to CTL6) or sleep mode entry (CTL3 and CTL6) of any selected rails
Four GPO pins configurable to power good of any selected rails
Open-drain interrupt output pin
I
2
C interface supports standard mode (100 kHz), fast mode (400 kHz), and fast mode plus (1MHz)