ZHCSLL2A
May 2021 – March 2022
TPS25830A-Q1
,
TPS25832A-Q1
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
说明(续)
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
Timing Requirements
8.7
Switching Characteristics
8.8
Typical Characteristics
9
Parameter Measurement Information
10
Detailed Description
10.1
Overview
10.2
Functional Block Diagram
10.3
Feature Description
10.3.1
Buck Regulator
10.3.2
Enable/UVLO and Start-Up
10.3.3
Switching Frequency and Synchronization (RT/SYNC)
10.3.4
Spread-Spectrum Operation
10.3.5
VCC, VCC_UVLO
10.3.6
Minimum ON-Time, Minimum OFF-Time
10.3.7
Internal Compensation
10.3.8
Bootstrap Voltage (BOOT)
10.3.9
RSNS, RSET, RILIMIT and RIMON
10.3.10
Overcurrent and Short Circuit Protection
10.3.10.1
Current Limit Setting using RILIMIT
10.3.10.2
Current Limit Setting for MFI OCP
10.3.10.3
Buck Average Current Limit Design Example
10.3.10.4
External MOSFET Gate Drivers
10.3.10.5
Cycle-by-Cycle Buck Current Limit
10.3.11
Overvoltage, IEC and Short to Battery Protection
10.3.11.1
VBUS and VCSN/OUT Overvoltage Protection
10.3.11.2
DP_IN and DM_IN Protection
10.3.11.3
CC IEC and OVP Protection
10.3.12
Cable Compensation
10.3.12.1
Cable Compensation Design Example
10.3.13
USB Port Control
10.3.14
FAULT Response
10.3.15
USB Specification Overview
10.3.16
USB Type-C® Basics
10.3.16.1
Configuration Channel
10.3.16.2
Detecting a Connection
10.3.16.3
Configuration Channel Pins CC1 and CC2
10.3.16.4
Current Capability Advertisement and VCONN Overload Protection
10.3.16.5
Plug Polarity Detection
10.3.17
Device Power Pins (IN, CSN/OUT, and PGND)
10.3.18
Thermal Shutdown
10.3.19
Power Wake
10.4
Device Functional Modes
10.4.1
Shutdown Mode
10.4.2
Standby Mode
10.4.3
Active Mode
10.4.4
Device Truth Table (TT)
10.4.5
USB Port Operating Modes
10.4.5.1
USB Type-C® Mode
10.4.5.2
Standard Downstream Port (SDP) Mode — USB 2.0, USB 3.0, and USB 3.1
10.4.5.3
Charging Downstream Port (CDP) Mode
10.4.5.4
Client Mode
10.4.6
High-Bandwidth Data-Line Switches
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
Output Voltage
11.2.2.2
Switching Frequency
11.2.2.3
Inductor Selection
11.2.2.4
Output Capacitor Selection
11.2.2.5
Input Capacitor Selection
11.2.2.6
Bootstrap Capacitor Selection
11.2.2.7
VCC Capacitor Selection
11.2.2.8
Enable and Undervoltage Lockout Set-Point
11.2.2.9
Current Limit Set-Point
11.2.2.10
Cable Compensation Set-Point
11.2.2.11
LD_DET, POL, and FAULT Resistor Selection
11.2.3
Application Curves
12
Power Supply Recommendations
13
Layout
13.1
Layout Guidelines
13.2
Ground Plane and Thermal Considerations
13.3
Layout Example
14
Device and Documentation Support
14.1
Documentation Support
14.1.1
Related Documentation
14.2
Related Links
14.3
接收文档更新通知
14.4
支持资源
14.5
Trademarks
14.6
静电放电警告
14.7
术语表
15
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RHB|32
MPQF130D
散热焊盘机械数据 (封装 | 引脚)
RHB|32
QFND592
订购信息
zhcsll2a_oa
zhcsll2a_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
HBM ESD 分类等级 H2
CDM ESD 分类等级 C5
同步降压直流/直流稳压器
输入电压范围:4.5V 至 36V
输出电流:3.5A
5.1V 输出电压,精度为 ±1%
电流模式控制
频率可调节:300 kHz 至 2.2 MHz
与外部时钟频率同步
具有扩频频谱抖动的 FPWM
内置补偿功能,便于使用
符合 USB-IF 标准
USB Type-C
®
1.3 版
CC 逻辑、V
CONN
拉电流和放电电流
USB 电缆极性保护 (
POL
)
符合 USB BC1.2 规范的 CDP/SDP 模式
符合 MFI 过流限制
针对 USB 电源和通信进行了优化
用户可编程的 USB 电流限制
高达 1.5V 的电缆压降补偿
DP 和 DM 上的高带宽数据开关
可用于进行 USB 固件更新的客户端模式
集成保护
V
BUS
对 V
BAT
短路保护
DP_IN、DM_IN、CCx 对 V
BAT
短路(仅 TPS25830A-Q1)
DP_IN、DM_IN、CCx 对 V
BUS
短路
符合 CCx IEC 61000-4-2 标准的 DP_IN、DM_IN
±8kV 接触放电和 ±15kV 空气放电
故障标志报告
具有可湿性侧面的 32 引脚 QFN 封装
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