JAJSLY4B
January 2023 – May 2024
TPS62870
,
TPS62871
,
TPS62872
,
TPS62873
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
概要 (続き)
5
Device Options
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings_Catalog
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
I2C Interface Timing Characteristics
7.7
Timing Requirements
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Fixed-Frequency DCS Control Topology
8.3.2
Forced PWM and Power Save Modes
8.3.3
Precise Enable
8.3.4
Start-Up
8.3.5
Switching Frequency Selection
8.3.6
Output Voltage Setting
8.3.6.1
Output Voltage Range
8.3.6.2
Output Voltage Setpoint
8.3.6.3
Non-Default Output Voltage Setpoint
8.3.6.4
Dynamic Voltage Scaling
8.3.7
Compensation (COMP)
8.3.8
Mode Selection and Clock Synchronization (MODE/SYNC)
8.3.9
Spread Spectrum Clocking (SSC)
8.3.10
Output Discharge
8.3.11
Undervoltage Lockout (UVLO)
8.3.12
Overvoltage Lockout (OVLO)
8.3.13
Overcurrent Protection
8.3.13.1
Cycle-by-Cycle Current Limiting
8.3.13.2
Hiccup Mode
8.3.13.3
Current Limit Mode
8.3.14
Power Good (PG)
8.3.14.1
Standalone or Primary Device Behavior
8.3.14.2
Secondary Device Behavior
8.3.15
Remote Sense
8.3.16
Thermal Warning and Shutdown
8.3.17
Stacked Operation
8.4
Device Functional Modes
8.4.1
Power-On Reset
8.4.2
Undervoltage Lockout
8.4.3
Standby
8.4.4
On
8.5
Programming
8.5.1
Serial Interface Description
8.5.2
Standard, Fast, Fast Mode Plus Protocol
8.5.3
I2C Update Sequence
8.5.4
I2C Register Reset
9
Register Map
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Selecting the Inductor
10.2.2.2
Selecting the Input Capacitors
10.2.2.3
Selecting the Compensation Resistor
10.2.2.4
Selecting the Output Capacitors
10.2.2.5
Selecting the Compensation Capacitor, CC
10.2.2.6
Selecting the Compensation Capacitor, CC2
10.2.3
Application Curves
10.3
Best Design Practices
10.4
Power Supply Recommendations
10.5
Layout
10.5.1
Layout Guidelines
10.5.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
サード・パーティ製品に関する免責事項
11.2
ドキュメントの更新通知を受け取る方法
11.3
サポート・リソース
11.4
Trademarks
11.5
静電気放電に関する注意事項
11.6
用語集
12
Revision History
13
Mechanical, Packaging, and Orderable Information
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)
RXS|16
MPQF606D
サーマルパッド・メカニカル・データ
発注情報
jajsly4b_oa
jajsly4b_pm
8.3.15
Remote Sense
The device has two pins, VOSNS and GOSNS, to remotely sense the output voltage. Remote sensing lets the converter sense the output voltage directly at the point-of-load and increases the accuracy of the output voltage regulation.