ZHCSQD3A
october 2022 – march 2023
TPS62992-Q1
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Mode Selection and Device Configuration MODE/S-CONF
8.3.2
Adjustable VO Operation (External Voltage Divider)
8.3.3
Selectable VO Operation (VSET and Internal Voltage Divider)
8.3.4
Soft Start and Tracking (SS/TR)
8.3.4.1
Tracking Function
8.3.5
Smart Enable with Precise Threshold
8.3.6
Power Good (PG)
8.3.7
Output Discharge Function
8.3.8
Undervoltage Lockout (UVLO)
8.3.9
Current Limit and Short-Circuit Protection
8.3.10
High Temperature Specifications
8.3.11
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Forced Pulse Width Modulation (FPWM) Operation
8.4.2
Power Save Mode Operation (Auto PFM and PWM)
8.4.3
AEE (Automatic Efficiency Enhancement)
8.4.4
100% Duty-Cycle Operation
8.4.5
Starting into a Prebiased Load
9
Application and Implementation
9.1
Application Information
9.2
Typical Application with Adjustable Output Voltage
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Custom Design With WEBENCH® Tools
9.2.2.2
Programming the Output Voltage
9.2.2.3
External Component Selection
9.2.2.3.1
Output Filter and Loop Stability
9.2.2.3.2
Inductor Selection
9.2.2.3.3
Capacitor Selection
9.2.2.3.3.1
Output Capacitor
9.2.2.3.3.2
Input Capacitor
9.2.2.3.3.3
Soft-Start Capacitor
9.2.3
Application Curves
9.2.3.1
Application Curves Vout = 1.8 V
9.2.3.2
Application Curves Vout = 1.2 V
9.2.3.3
Application Curves Vout = 0.6 V
9.3
Typical Application with Selectable VOUT using VSET
9.3.1
Design Requirements
9.3.2
Detailed Design Procedure
9.3.2.1
Programming the Output Voltage
9.3.3
Application Curves
9.3.3.1
Application Curves Vout = 5 V
9.3.3.2
Application Curves Vout = 3.3 V
9.4
System Examples
9.4.1
LED Power Supply
9.4.2
Powering Multiple Loads
9.4.3
Voltage Tracking
9.4.4
Inverting Buck-Boost (IBB)
9.5
Power Supply Recommendations
9.6
Layout
9.6.1
Layout Guidelines
9.6.2
Layout Example
9.6.3
Thermal Considerations
10
Device and Documentation Support
10.1
Device Support
10.1.1
第三方米6体育平台手机版_好二三四免责声明
10.1.2
Development Support
10.1.2.1
Custom Design With WEBENCH® Tools
10.2
Documentation Support
10.2.1
Related Documentation
10.3
接收文档更新通知
10.4
支持资源
10.5
Trademarks
10.6
静电放电警告
10.7
术语表
11
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RYT|9
MPSS145A
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsqd3a_oa
zhcsqd3a_pm
1
特性
符合面向汽车应用的 AEC-Q100 标准:
温度等级 1:–40°C 至 +125°C,T
A
器件 HBM ESD 分类等级 2
CDM ESD 分级等级 C4B
提供功能安全
可提供用于功能安全系统设计的文档
扩展 T
J
范围:
至高达
165°C
高效率 DCS-Control 拓扑
R
DS(ON)
:62mΩ 高侧,22mΩ 低侧
无缝 PWM/PFM 转换
内部补偿
4µA 低 I
Q
(典型值)
高达 2A 的持续输出电流
整个温度范围内的输出电压精度为 ±1.5%
可配置的输出电压选项:
0.6V 至 5.5V V
FB
外部分压器
V
SET
内部分压器
16 个电压选项(0.4V 至 5.5V)
通过 MODE/S-CONF 引脚提高了灵活性
2.5 MHz 或 1.0 MHz 开关频率
具有动态模式更改选项的强制 PWM 或自动 PFM(省电模式)
输出放电开和关
无需外部自举电容器
过流和过热保护
100% 占空比模式
精密使能输入
可调软启动和跟踪
电源正常状态输出
针对单层布线的引脚排列进行了优化
可湿性 2.2mm × 2.0mm VQFN 封装,间距为 0.5mm
借助
TPS62992-Q1
并使用
WEBENCH®
Power Designer
创建定制设计方案
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