SLUSFL6
June 2024
TPSM82866C
ADVANCE INFORMATION
1
1
Features
2
Applications
3
Description
4
Device Options
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
6.6
I2C Interface Timing Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power Save Mode
7.3.2
Forced PWM Mode
7.3.3
Optimized Transient Performance from PWM to PSM Operation
7.3.4
Low Dropout Operation (100% Duty Cycle)
7.3.5
Enable and Soft-Start Ramp
7.3.6
Switch Current Limit and HICCUP Short-Circuit Protection
7.3.7
Undervoltage Lockout
7.3.8
Thermal Warning and Shutdown
7.4
Device Functional Modes
7.4.1
Enable and Disable (EN)
7.4.2
Output Discharge
7.4.3
Start-Up Output Voltage and I2C Target Address Selection (VSET)
7.4.4
Select Output Voltage Registers (VID)
7.5
Programming
7.5.1
Serial Interface Description
7.5.2
Standard-Mode, Fast-Mode, and Fast-Mode Plus Protocol
7.5.3
HS-Mode Protocol
7.5.4
I2C Update Sequence
7.5.5
I2C Register Reset
8
Register Map
8.1
Target Address Byte
8.2
Register Address Byte
8.3
VOUT Register 1
8.4
VOUT Register 2
8.5
CONTROL Register
8.6
STATUS Register
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Input and Output Capacitor Selection
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
9.4.2.1
Thermal Considerations
10
Device and Documentation Support
10.1
Device Support
10.1.1
Third-Party Products Disclaimer
10.2
Documentation Support
10.2.1
Related Documentation
10.3
Receiving Notification of Documentation Updates
10.4
Support Resources
10.5
Trademarks
10.6
Electrostatic Discharge Caution
10.7
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
8.3
V
OUT
Register 1
Table 8-2 V
OUT
Register 1 Description
REGISTER ADDRESS 0X01 READ/WRITE
BIT
FIELD
VALUE
(1)
(HEX)
TPSM8286xCA2 OUTPUT VOLTAGE (TYPICAL)
TPSM8286xCA3 OUTPUT VOLTAGE (TYPICAL)
7:0
VO1_SET
0x00
400mV
800mV
0x01
405mV
810mV
...
0x64
900mV
1800mV
...
0xFE
1670mV
3340mV
0xFF
1675mV
3350mV
(1)
The start-up value is assigned by the VSET/VID resistor; see
Table 7-1
.