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Texas Instruments TPS560430 | Demoboard TIDA-010055
Non-isolated Power Architecture With Diagnostics Reference Design for Protection
Overview
| Topology | Buck Converter |
| Input voltage | 24 V |
| Switching frequency | 1100-2100 kHz |
| Output 1 | 3.3 V |
| IC revision | E1 |
Description
This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an integrated inductor for size- and design-time-constrained applications, a HotRod™ package type for applications requiring low EMI and linear regulators (LDOs) for low ripple. Protections include a flat clamp TVS for input transient protection, an eFuse with configurable load current for overload protection and an ideal diode controller for input reversal protection. Additional features include an auto-switching power MUX, an analog temperature sensor, an input OK indication, a “no load” detection and a voltage supervisor.
Features
- Power supplies for communication module: multiple non-isolated supply rails with varying load currents up to 1.5 A using a DC/DC converter with low IQ and EMI, DC/DC converter in HotRod™ package and DC/DC converter with Eco-mode™
- Power supply for analog Input/output modules: ±12-V split-rail supply for analog IO modules generated from a 24-V wide input synchronous buck converter, split rail DC/DC converters and LDOs and a ±10.5-V split-rail supply generated from 24 V using power modules with an integrated inductor in inverted buck configuration
- Performance testing:
- Tested analog IO power supply performance by interfacing to high accuracy AC analog input and DC analog output reference designs
- Tested communication module power supply performance by interfacing to RS-485 EVMs, CAN EVMs and 10/100 ethernet reference design or 10/100/100 copper or fiber interface EVM
- Pre compliance testing: tested power supply for electrical fast transients (EFT) and surge per IEC61000-4 and radiated emission per CISPR22
Typical applications
- Motor Drive: AC Inverters, VF Drives, Servos, Field Actuators / Factory and Building Automation: PLC, Industrial PC, Elevator Control, HVAC Control
- Grid Infrastructure: Advanced Metering Infrastructure / General Purpose Wide VIN Power Supplies
- Aftermarket Automotive: Camera
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | ISAT (A) | RDC max. (Ω) | fres (MHz) | Version | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74408943150 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-SPC SMT Power Inductor | 15 | 1.7 | 0.136 | 22 | SMT | 2 | – | 3.8 | – | – | 1.4 | – | ||
 | 61300411021 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Angled Pin Header | – | – | – | – | – | 4 | Single | – | Pin Header | Angled | 3 | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74408943150 | SPEC | |
| 61300411021 | SPEC | – |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | ISAT (A) | RDC max. (Ω) | fres (MHz) | Version | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
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