ZHCS491B
August 2011 – December 2014
TPA2025D1
PRODUCTION DATA.
1
特性
2
应用范围
3
说明
4
简化应用示意图
5
修订历史记录
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
Operating Characteristics
8.7
Typical Characteristics
9
Parameter Measurement Information
10
Detailed Description
10.1
Overview
10.2
Functional Block Diagram
10.3
Feature Description
10.3.1
Battery Tracking Automatic Gain Control (AGC)
10.3.2
Boost Converter Auto Pass Through (APT)
10.3.3
Short Circuit Auto-Recovery
10.3.4
Thermal Protection
10.3.5
Operation with DACS and Codecs
10.4
Device Functional Modes
10.4.1
Operation Below AGC Threshold
10.4.2
Shutdown Mode
11
Application and Implementation
11.1
Application Information
11.2
Typical Application
11.2.1
Design Requirements
11.2.2
Detailed Design Procedure
11.2.2.1
Boost Converter Component Section
11.2.2.1.1
Inductor Equations
11.2.2.1.2
Boost Converter Capacitor Selection
11.2.2.1.3
Boost Terms
11.2.2.2
Input Capacitors
11.2.2.3
Speaker Load Limitation
11.2.3
Application Curve
12
Power Supply Recommendations
12.1
Power Supply Decoupling Capacitors
13
Layout
13.1
Layout Guidelines
13.2
Layout Example
14
器件和文档支持
14.1
商标
14.2
静电放电警告
14.3
术语表
15
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
YZG|12
MXBG028D
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcs491b_oa
zhcs491b_pm
6 Device Comparison Table
DEVICE NAME
DESCRIPTION
TPA2025D1
2 W Constant Output Power Class-D Audio Amplifier with Class-G Boost Converter and Battery Tracking AGC