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Uninterruptible Power Supply

Solution Proposal

These documents explain the key points of recommended semiconductor products and their features. Please use them for product selection.

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Name
SolutionProposal_Uninterruptible Power Supply / English (PDF:1.7MB)
SolutionProposal_Uninterruptible Power Supply / Japanese (PDF:2.4MB)

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Overall block diagram

Overall block diagram (power system diagram)

DC-DC converter block (Bidirectional type)

AC-DC converter block (with PFC circuit)

DC-AC inverter block

Sub block diagram

USB interface

Example of ESD protection circuit for USB signal line

Application / Uninterruptible Power Supply

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RS-232 interface

Example of ESD protection circuit for RS-232C signal line

Application / Uninterruptible Power Supply

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Display unit

Example of ESD protection circuit for a display signal line

Application / Uninterruptible Power Supply

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Control signal transmission line between MCU and converter

Example of control signal transmission circuit between MCU and converter

Application / Uninterruptible Power Supply

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Communication signal transmission line between MCUs

Example of communication signal transmission circuit between MCUs

Application / Uninterruptible Power Supply

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Voltage and current detection signal transmission line

Example of voltage and current detection signal transmission circuit between power line and MCU

Application / Uninterruptible Power Supply

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AC-DC converter (with PFC circuit) and control circuit

Example of AC-DC converter (with PFC circuit) and control circuit

Application / Uninterruptible Power Supply

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DC-DC converter and control circuit

Example of DC-DC converter and control circuit

Application / Uninterruptible Power Supply

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DC-AC inverter and control circuit

Example of DC-AC inverter and control circuit

Application / Uninterruptible Power Supply

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Power supply to analog front end

Example of power supply circuit to analog front end

Application / Uninterruptible Power Supply

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Power supply to main MCU

Example of power supply circuit to main MCU

Application / Uninterruptible Power Supply

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Power supply to communication MCU

Example of power supply circuit to communication MCU

Application / Uninterruptible Power Supply

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Documents

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Name	Date
Selection Guide Small Signal and Logic Devices 2023 (PDF:10.4MB)	08/2023
Selection Guide Isolators and Solid State Relays 2023 (PDF:7.2MB)	08/2023
Selection Guide MOSFETs 2023 (PDF:3.2MB)	08/2023
Electrical Characteristics: Power MOSFET Application Notes (PDF:1.3MB)	01/2023
Surface Mount Small Signal Transistor (BJT) Precautions for use (PDF:804KB)	01/2022
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Isolation amplifier TLP7820/7920/7830/7930 Application note (PDF:1.7MB)	12/2021
Simple Guide to Improving Ripple Rejection Ratio of LDO Regulators (PDF:1.3MB)	10/2021
Surface Mount Small Signal Diode Precautions for use (PDF:1.0MB)	07/2021
Avalanche energy calculation (PDF:574KB)	04/2021
Power Efficiency Optimization and Application Circuits Using Dual-power-supply LDO Regulators (PDF:820KB)	03/2021
LDO Regulators Glossary (PDF:386KB)	03/2021
Selecting a Schottky Barrier Diode for Voltage Boost Circuits (PDF:701KB)	03/2021
Thermal Design to Maximize the Performance of LDO Regulators (PDF:766KB)	03/2021
Basics of Low-Dropout (LDO) Regulator Ics (PDF:1.4MB)	03/2021
Improving the Load Transient Response of LDOs (PDF:1.2MB)	03/2021
Mechanism of LDO Oscillation and Reducing the Susceptibility to Oscillation (PDF:1.4MB)	03/2021
Safety standards for photocouplers (PDF:773KB)	03/2021
Absolute Mamimum Ratings and Electrical Characteristics: SiC Schottky Barrier Diodes Application Note (PDF:343KB)	08/2020
Photocouplers and Photorelays (BCJ0117C) (PDF:2.6MB)	03/2020
Resonant Circuits and Soft Switching (PDF:1.1MB)	11/2019
Power Factor Correction (PFC) Circuits: Power MOSFET Application Notes (PDF:1.1MB)	11/2019
U-MOSⅨ-H 60V Low VDS spike TPH1R306P1 (PDF:1.1MB)	08/2019
SiC Schottky Barrier Diodes (PDF:929KB)	04/2019
Glossary of Isolation Amplifier Terms (PDF:869KB)	02/2019
Reverse Recovery Operation and Destruction of MOSFET Body Diode (PDF:510KB)	09/2018
MOSFET Secondary Breakdown (PDF:483KB)	09/2018
RC Snubbers for Step-Down Converters (PDF:1.9MB)	09/2018
Impacts of the dv/dt Rate on MOSFET (PDF:1.1MB)	07/2018
Discrete Semiconductor Devices Hints and Tips for Thermal Design Part 2 (PDF:1.1MB)	07/2018
MOSFET Avalanche Ruggedness (PDF:685KB)	07/2018
Hints and Tips for Thermal Design for Discrete Semiconductor Devices (PDF:1.4MB)	07/2018
Calculating the Temperature of Discrete Semiconductor Devices (PDF:1.2MB)	07/2018
Thermal Design and Attachment of a Thermal Fin: Power MOSFET Application Notes (PDF:941KB)	07/2018
Structures and Characteristics: Power MOSFET Application Notes (PDF:378KB)	07/2018
Maximum Ratings: Power MOSFET Application Notes (PDF:799KB)	07/2018
Selecting MOSFETs and Consideration for Circuit Design: Power MOSFET Application Notes (PDF:984KB)	07/2018
Glossary of Photocoupler and Photorelay Terms (PDF:510KB)	03/2018
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Reference Design

3-Phase Inverter Using SiC MOSFET

This reference design provides design guide, data and other contents of the 3-phase inverter using 1200 V SiC MOSFET. It drives AC 440V motors.

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PCB Photo (example)

3-Phase Multi-Level Inverter using MOSFET

This reference design provides design guide, data and other contents of the 3-Phase Multi-Level Inverter with 5 level output. It uses 150 V MOSFETs to drive AC 200 V Motor.

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1.6 kW T-Type 3-Level PFC Power Supply

1.6 kW T-Type 3-Level PFC Power Supply

This reference design provides design guide, data and other contents of 1.6kW AC-DC converter power supply using T-Type 3-Level power factor correction (PFC) circuit.

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Power supply circuit example of LDO regulator TCR3UG series application for power supply of IoT devices.

LDO Regulator TCR3UG Series Application for Power Supply of IoT Devices

This reference design provides document with low consumption current, PSRR, and dynamic response.The LDO has small package, low consumed power, and fast load transient response.

LDO Regulator / TCR3UG

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Power supply circuit example of LDO regulator TCR15AG (fixed output voltage type) application & circuit.

LDO Regulator TCR15AG (fixed output voltage type) Application & Circuit

This reference design provides document with PSRR, dynamic response and controlling output voltage.The LDO has very small package and fixed output voltage for consumer application.

LDORegulator / TCR15AG

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Power supply circuit example of LDO regulator TCR15AGADJ application & circuit.

LDO Regulator TCR15AGADJ Application & Circuit

This reference design provides document with PSRR, dynamic response and controlling output voltage. The LDO has very small package and adjustable output for consumer application.

LDO Regulator / Design / Support / Reference Design Center

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Video

Simulation Model , 2D/3D data

Simulation Model

Simulation Model

2D/3D data

Parametric Search

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