ZHCSFO3D
November 2016 – August 2021
LM5170-Q1
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
说明(续)
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
Bias Supply (VCC, VCCA)
8.3.2
Undervoltage Lockout (UVLO) and Master Enable or Disable
8.3.3
High Voltage Input (VIN, VINX)
8.3.4
Current Sense Amplifier
8.3.5
Control Commands
8.3.5.1
Channel Enable Commands (EN1, EN2)
8.3.5.2
Direction Command (DIR)
8.3.5.3
Channel Current Setting Commands (ISETA or ISETD)
8.3.6
Channel Current Monitor (IOUT1, IOUT2)
8.3.7
Cycle-by-Cycle Peak Current Limit (IPK)
8.3.8
Error Amplifier
8.3.9
Ramp Generator
8.3.10
Soft Start
8.3.10.1
Soft-Start Control by the SS Pin
8.3.10.2
Soft Start by MCU Through the ISET Pin
8.3.10.3
The SS Pin as the Restart Timer
8.3.11
Gate Drive Outputs, Dead Time Programming and Adaptive Dead Time (HO1, HO2, LO1, LO2, DT)
8.3.12
PWM Comparator
8.3.13
Oscillator (OSC)
8.3.14
Synchronization to an External Clock (SYNCIN, SYNCOUT)
8.3.15
Diode Emulation
8.3.16
Power MOSFET Failure Detection and Failure Protection (nFAULT, BRKG, BRKS)
8.3.16.1
Failure Detection Selection at the SYNCOUT Pin
8.3.16.2
Nominal Circuit Breaker Function
8.3.17
Overvoltage Protection (OVPA, OVPB)
8.3.17.1
HV-V- Port OVP (OVPA)
8.3.17.2
LV-Port OVP (OVPB)
8.4
Device Functional Modes
8.4.1
Multiphase Configurations (SYNCOUT, OPT)
8.4.1.1
Multiphase in Star Configuration
8.4.1.2
Configuration of 2, 3, or 4 Phases in Master-Slave Daisy-Chain Configurations
8.4.1.3
Configuration of 6 or 8 Phases in Master-Slave Daisy-Chain Configurations
8.4.2
Multiphase Total Current Monitoring
8.5
Programming
8.5.1
Dynamic Dead Time Adjustment
8.5.2
Optional UVLO Programming
9
Application and Implementation
9.1
Application Information
9.1.1
Typical Key Waveforms
9.1.1.1
Typical Power-Up Sequence
9.1.1.2
One to Eight Phase Programming
9.1.2
Inner Current Loop Small Signal Models
9.1.2.1
Small Signal Model
9.1.2.2
Inner Current Loop Compensation
9.1.3
Compensating for the Non-Ideal Current Sense Resistor
9.1.4
Outer Voltage Loop Control
9.2
Typical Application
9.2.1
60-A, Dual-Phase, 48-V to 12-V Bidirectional Converter
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Determining the Duty Cycle
9.2.1.2.2
Oscillator Programming
9.2.1.2.3
Power Inductor, RMS and Peak Currents
9.2.1.2.4
Current Sense (RCS)
9.2.1.2.5
Current Setting Limits (ISETA or ISETD)
9.2.1.2.6
Peak Current Limit
9.2.1.2.7
Power MOSFETS
9.2.1.2.8
Bias Supply
9.2.1.2.9
Boot Strap
9.2.1.2.10
RAMP Generators
9.2.1.2.11
OVP
9.2.1.2.12
Dead Time
9.2.1.2.13
IOUT Monitors
9.2.1.2.14
UVLO Pin Usage
9.2.1.2.15
VIN Pin Configuration
9.2.1.2.16
Loop Compensation
9.2.1.2.17
Soft Start
9.2.1.2.18
ISET Pins
9.2.1.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
12
Device and Documentation Support
12.1
Device Support
12.1.1
Development Support
12.2
接收文档更新通知
12.3
支持资源
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
PHP|48
MPQF051B
散热焊盘机械数据 (封装 | 引脚)
PHP|48
PPTD117D
订购信息
zhcsfo3d_oa
zhcsfo3d_pm
1
特性
符合面向汽车应用的 AEC-Q100 标准:
器件温度等级 1:-40°C 至 +125°C 环境工作温度范围
器件 HBM ESD 分类等级 2
器件 CDM ESD 分类等级 C4B
提供功能安全
可帮助进行功能安全系统设计的文档
高压 (HV) 端口和低压 (LV) 端口的最高额定电压分别为 100V 和 65V
1% 精密双向电流调节
1% 精密通道电流监测
5A 峰值半桥栅极驱动器
可编程或自适应死区时间控制
可选择与外部时钟同步的可编程振荡器频率
独立通道使能控制输入
模拟和数字通道电流控制输入
可编程逐周期峰值电流限制
HV 和 LV 端口过压保护
二极管仿真可防止负电流
可编程软启动计时器
启动时执行 MOSFET 故障检测以及断路器控制
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