User Manuals: NXP Semiconductors AN10881 Supply Control

Manuals and User Guides for NXP Semiconductors AN10881 Supply Control. We have 1 NXP Semiconductors AN10881 Supply Control manual available for free PDF download: Application Note

NXP Semiconductors AN10881 Application Note

NXP Semiconductors AN10881 Application Note (102 pages)

TEA1713 resonant power supply control IC with PFC

Brand: NXP Semiconductors | Category: Power Supply | Size: 1 MB

Table of Contents

Contact Information
2
1 Introduction

3
- Scope and Setup
  3
- Related Documents
  4
2 TEA1713 Highlights and Features

5
3 Pin Overview with Functional Description

8
4 Application Diagram and Block Diagrams

12
5 Supply Functions

16
6 MOSFET Drivers GATEPFC, GATELS and GATEHS

30
- Gatepfc
  30
- GATELS and GATEHS
  30
- Supply Voltage and Power Consumption
  30
- General Subjects on MOSFET Drivers
  31
- Switch on
  31
- Switch off
  31
- Specifications
  32
- Mutual Disturbance of PFC and HBC
  33
7 PFC Functions

34
8 HBC Functions

44
- HBC UVP Boost
  44
- HBC Switch Control
  44
- HBC Adaptive Non-Overlap
  44
- Inductive Mode (Normal Operation)
  44
- Capacitive Mode
  46
- Capacitive Mode Regulation (CMR)
  47
- HBC Oscillator
  49
- Presettings
  49
- Operational Control
  49
- CFMIN and RFMAX
  50
- Minimum Frequency Setting for CFMIN
  50
- Maximum Frequency Setting for RFMAX
  51
- RFMAX and High Frequency Protection (HFP)
  51
- HBC Feedback (SNSFB)
  52
- HBC Open-Loop Protection (OLP)
  53
- SSHBC/EN Soft-Start and Enable
  54
- Switching on and off Using an External Control Function
  54
- Switching on and off Using SSHBC/EN
  55
- Hold and Continue
  55
- Soft-Start HBC
  55
- Soft-Start Voltage Levels
  56
- SSHBC/EN Charge and Discharge
  56
- SNSFB, SSHBC/EN and Soft-Start Reset - Operating Frequency Control
  58
- Soft-Start Reset
  58
- HBC Overcurrent Protection and Regulation
  59
- HBC Overcurrent Regulation
  59
- Start-Up
  60
- HBC Overcurrent Protection
  60
- SNSCURHBC Boost Voltage Compensation
  60
- Current Measurement Circuits
  61
- SNSCURHBC Layout
  61
9 Burst Mode Operation

62
10 Protection Functions

72
- Protection Overview
  72
- IC Protection
  72
- Overtemperature Protection (OTP)
  72
- Latched Protection
  72
- Resetting a Latched Protection Shutdown State
  73
- SNSOUT Protection
  73
- Overvoltage Protection (OVP) Output
  74
- Auxiliary Winding
  74
- Principle of Operation
  74
- Connecting External Measurement Circuits
  74
- Undervoltage Protection (UVP) Output
  74
- Severe Voltage Drop
  75
- Connecting External Measurement Circuits
  75
- OVP and UVP Combinations
  75
- Circuit Configurations
  75
- OVP Functional and UVP Disabled
  75
- UVP Functional and OVP Disabled
  76
- Both OVP and UVP Disabled
  77
- Protection Timer
  78
- Block Diagram of the RCPROT Function
  78
- RCPROT Working as Protection Timer
  78
- RCPROT Working as a Restart Timer
  79
- Dimensioning the Timer Function
  80
11 Miscellaneous Advice and Tips

81
- PCB Layout
  81
- General Setup
  81
- Grounding
  81
- Current Loops
  81
- Grounding Layout Example
  82
- Miscellaneous
  82
- Connecting SNSCURHBC (Pin 17)
  82
- CFMIN (Pin 19) and RFMAX (Pin 20)
  82
- Starting/Debugging Partial Circuits
  83
- HBC Only
  84
- PFC Only
  87
- Operational Check Without Mains Voltage
  87
- Operational Check with Mains Voltage
  88
- HBC and PFC Operation
  88
12 Application Examples and Topologies

89
13 Differences between TEA1713T and TEA1713LT

97
14 Abbreviations

98
15 Legal Information

99
- Definitions
  99
- Disclaimers
  99
- Trademarks
  99
16 Contents

100

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