ZHCSCV2C
june 2014 – may 2023
TPS65263
PRODUCTION DATA
1
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
Adjusting the Output Voltage
8.3.2
Enable and Adjusting UVLO
8.3.3
Soft-Start Time
8.3.4
Power-Up Sequencing
8.3.5
V7V Low Dropout Regulator and Bootstrap
8.3.6
Out-of-Phase Operation
8.3.7
Output Overvoltage Protection (OVP)
8.3.8
Pulse Skipping Mode (PSM)
8.3.9
Slope Compensation
8.3.10
Overcurrent Protection
8.3.10.1
High-Side MOSFET Overcurrent Protection
8.3.10.2
Low-Side MOSFET Overcurrent Protection
8.3.11
Power Good
8.3.12
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Serial Interface Description
8.4.2
I2C Update Sequence
8.5
Register Maps
8.5.1
Register Description
8.5.2
VOUT1_SEL: Vout1 Voltage Selection Register (offset = 0x00H)
8.5.3
VOUT2_SEL: Vout2 Voltage Selection Register (offset = 0x01H)
8.5.4
VOUT3_SEL: Vout3 Voltage Selection Register (offset = 0x02H)
8.5.5
VOUT1_COM: Buck1 Command Register (offset = 0x03H)
8.5.6
VOUT2_COM: Buck2 Command Register (offset = 0x04H)
8.5.7
VOUT3_COM: Buck3 Command Register (offset = 0x05H)
8.5.8
SYS_STATUS: System Status Register (offset = 0x06H)
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Output Inductor Selection
9.2.2.2
Output Capacitor Selection
9.2.2.3
Input Capacitor Selection
9.2.2.4
Loop Compensation
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
接收文档更新通知
10.2
支持资源
10.3
Trademarks
10.4
静电放电警告
10.5
术语表
11
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
QFND029X
订购信息
zhcscv2c_oa
zhcscv2c_pm
1
特性
工作输入电压范围 4.5V 至 18V,连续输出电流 3A/2A/2A
通过 I
2
C 控制型 7 位 VID 可为每个降压转换器实现可编程输出电压范围为 0.68V 至 1.95V,阶跃为 10mV
I
2
C 控制型 VID 电压转换压摆率
通过 I
2
C 可针对每个降压转换器读回电源正常状态,发出过流警告
通过 I
2
C 读回芯片温度警告
具有支持标准模式 (100kHz) 和快速模式 (400kHz) 的 I
2
C 兼容接口
反馈基准电压为 0.6V ±1%
600kHz 固定频率
针对每次降压的专用使能引脚和软启动引脚
热过载保护
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