JAJSEF3B
january 2018 – june 2023
TPS61280D
,
TPS61280E
,
TPS61281D
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Revision History
5
概要 (続き)
6
Device Comparison Table
7
Pin Configuration and Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
I2C Interface Timing Characteristics #GUID-BD85FD7C-B9AF-4F5D-9DFF-CD61365A592A/SLVS5401494
8.7
I2C Timing Diagrams
8.8
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Voltage Scaling Management (VSEL)
9.3.2
Spread Spectrum, PWM Frequency Dithering
9.4
Device Functional Modes
9.4.1
Power-Save Mode
9.4.2
Pass-Through Mode
9.4.3
Mode Selection
9.4.4
Current Limit Operation
9.4.5
Start-Up and Shutdown Mode
9.4.6
Undervoltage Lockout
9.4.7
Thermal Shutdown
9.4.8
Fault State and Power-Good
9.5
Programming
9.5.1
Serial Interface Description (TPS61280D/E)
9.5.2
Standard-, Fast-, Fast-Mode Plus Protocol
9.5.3
HS-Mode Protocol
9.5.4
TPS6128xD/E I2C Update Sequence
9.6
Register Maps
9.6.1
Slave Address Byte
9.6.2
Register Address Byte
9.6.3
I2C Registers, E2PROM, Write Protect
9.6.4
E2PROM Configuration Parameters
9.6.5
CONFIG Register [reset = 0x01]
9.6.6
VOUTFLOORSET Register [reset = 0x02]
9.6.7
VOUTROOFSET Register [reset = 0x03]
9.6.8
ILIMSET Register [reset = 0x04]
9.6.9
Status Register [reset = 0x05]
9.6.10
E2PROMCTRL Register [reset = 0xFF]
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
TPS61281D with 2.5V-4.35 VIN, 1500 mA Output Current (TPS61280D with default I2C Configuration)
10.2.1.1
Design Requirement
10.2.1.2
Detailed Design Parameters
10.2.1.2.1
Inductor Selection
10.2.1.2.2
Output Capacitor
10.2.1.2.3
Input Capacitor
10.2.1.2.4
Checking Loop Stability
10.2.1.3
Application Performance Curves
10.2.2
TPS61282D with 2.5V-4.35 VIN, 2000 mA Output Current (TPS61280D with I2C Programmable)
10.2.2.1
Design Requirements
10.2.2.2
Detailed Design Procedures
10.2.2.3
Application Performance Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
12.3
Thermal Information
13
Device and Documentation Support
13.1
Device Support
13.1.1
サード・パーティ製品に関する免責事項
13.2
ドキュメントの更新通知を受け取る方法
13.3
サポート・リソース
13.4
Trademarks
13.5
静電気放電に関する注意事項
13.6
用語集
14
Mechanical, Packaging, and Orderable Information
14.1
Package Summary
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
YFF|16
MXBG096W
サーマルパッド・メカニカル・データ
発注情報
jajsef3b_oa
jajsef3b_pm
9.6
Register Maps