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Texas Instruments TPS560430YFDBVT
- Part No.:
- TPS560430YFDBVT
- Manufacturer:
- Texas Instruments
- Package:
- SOT-23-6
- Datasheet:
-
TPS560430YFDBVT.pdf
- Description:
- IC REG BUCK PWM 600MA SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:1,435
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Product details
Overview
TPS560430YFDBVT from Texas Instruments is a synchronous step-down DC-DC converter delivering up to 600 mA output current, operating from 4 V to 36 V input, with 2.1-MHz fixed-frequency forced PWM (FPWM) operation and ±1.5% reference voltage tolerance over –40°C to 125°C - used in industrial PLC power rails and automotive camera modules.
For engineers reviewing the TPS560430YFDBVT datasheet, TPS560430YFDBVT pinout, TPS560430YFDBVT application, or TPS560430YFDBVT equivalent, key selection criteria include its FPWM mode for low-output-ripple regulation across full load, 60 ns minimum on-time for high VIN-to-VOUT conversion ratios, and SOT-23-6 package compatibility with space-constrained embedded designs.
Technical Context
The TPS560430YFDBVT implements fixed-frequency peak-current mode control with internal compensation, enabling stable regulation using minimal external components. Its FPWM operation maintains constant 2.1-MHz switching frequency across 0–600 mA load, eliminating PFM-induced output voltage ripple and enabling predictable EMI filtering.
It integrates high-side and low-side NMOS FETs (RDS(on) = 450 mΩ / 240 mΩ at 12 V), supports startup with pre-biased output, and employs frequency foldback below 133 kHz when minimum on-time (60 ns) or off-time (100 ns) limits are reached - extending usable input range while preserving regulation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4 V to 36 V - supports wide-input industrial and automotive supplies including 24-V rail and battery-backed systems. |
| Output Current | 600 mA continuous - sufficient for powering microcontrollers, sensors, and interface ICs in compact systems. |
| Switching Frequency | 2.1 MHz (±10%) - enables use of small external inductors (e.g., 1–2.2 µH) and ceramic capacitors for minimal footprint. |
| Reference Voltage | 1.000 V ±1.5% (–40°C to 125°C) - ensures tight output accuracy for adjustable VOUT via resistor divider. |
| Minimum On-Time | 60 ns - allows high step-down ratios (e.g., 24 V → 3.3 V) without requiring frequency foldback at light loads. |
| Enable Threshold | 1.23 V typical rising, 1.1 V falling - provides precise UVLO control with hysteresis (0.13 V) for reliable system sequencing. |
| Thermal Shutdown | 170°C with 12°C hysteresis - protects against sustained overload or poor PCB thermal design in enclosed environments. |
Pinout & Package
SOT-23-6 package (2.90 mm × 1.60 mm), thermally enhanced with exposed pad (not electrically connected), suitable for reflow assembly and high-density layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CB | Bootstrap capacitor connection | Connects 100-nF X7R/X5R ceramic capacitor to SW; supplies gate drive voltage for integrated high-side MOSFET. |
| GND | Power ground | Common return for internal low-side FET, CIN, and COUT; requires short, low-inductance PCB trace to minimize noise and improve stability. |
| FB | Feedback input | Monitors output voltage via resistor divider; sets VOUT = 1.000 V × (1 + RFBT/RFBB); leakage <50 nA preserves light-load efficiency. |
| EN | Precision enable | Active-high logic input; 1.23 V threshold enables controlled start-up and system-level UVLO with external resistor divider. |
| VIN | Input supply | Primary power input (4–36 V); powers internal LDO and high-side driver; requires local 10-µF ceramic bypass capacitor. |
| SW | Switching node | Drives external inductor; connects internally to source of high-side FET and drain of low-side FET; high dv/dt node requiring careful layout. |
Key Features
| Feature | Design Value |
|---|---|
| Forced PWM (FPWM) mode | Eliminates load-dependent frequency variation, ensuring consistent EMI profile and low output voltage ripple (<10 mVPP) from no-load to full load. |
| Integrated synchronous rectification | Removes need for external catch diode; improves efficiency by ~8% at 600 mA vs. asynchronous design, reducing thermal stress. |
| Internal soft-start | 1.8-ms ramp time prevents inrush current into large output capacitors, avoiding input supply sag and system reset events. |
| Hiccup-mode short-circuit protection | Shuts down for 135 ms after 256 consecutive current-limit cycles, limiting average power dissipation during fault to <150 mW. |
| Support for pre-biased output | Allows safe startup into an already charged output rail - critical for hot-swap and redundant power applications without output voltage overshoot. |
Applications
| Industrial PLC Power Rail | Automotive Camera Module |
|---|---|
Use Scenario: Powers I/O expansion modules and communication interfaces (RS-485, CAN transceivers) in programmable logic controllers operating from 24-V factory bus. IC Role / Device Role / Timing Role: Primary 5-V or 3.3-V point-of-load regulator delivering stable, low-noise supply under variable load and line transients. Use Value: FPWM mode ensures consistent switching frequency for predictable EMI filtering; 36-V max input withstands 48-V surge tests per IEC 61000-4-5. | Use Scenario: Supplies image sensor, ISP, and serializer in rear-view or surround-view cameras mounted in vehicle exterior environments. IC Role / Device Role / Timing Role: Compact, thermally robust buck converter providing regulated 1.8-V or 3.3-V rail from automotive 12-V battery with cold-crank support down to 4 V. Use Value: 60 ns minimum on-time enables regulation during 4-V cold-crank; ±1.5% reference ensures accurate ADC reference and sensor biasing over temperature. |
| Factory Automation Sensor Node | Grid Infrastructure Metering |
Use Scenario: Powers wireless sensor nodes (BLE/Zigbee) and analog front-ends in predictive maintenance systems deployed near motors and drives. IC Role / Device Role / Timing Role: Efficient, low-quiescent-current (120 µA) step-down regulator supporting battery or energy-harvested operation with fast transient response. Use Value: Internal compensation and 2.1-MHz operation allow single 2.2-µH inductor + 10-µF output cap solution; reduces BOM count and board area by >30% vs. legacy controllers. | Use Scenario: Provides isolated auxiliary supply for metrology ICs, RTC, and secure MCU in smart electricity meters subjected to wide ambient temperature (–40°C to 85°C). IC Role / Device Role / Timing Role: High-accuracy, temperature-stable DC-DC converter maintaining ±1% output regulation across full temperature range and input line variations. Use Value: ±1.5% reference tolerance and 125°C junction rating ensure long-term calibration stability; SOT-23-6 package fits constrained meter PCB real estate. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS560430YDBVT | 2.1-MHz PFM mode instead of FPWM; higher light-load efficiency but variable frequency and increased output ripple. | Better suited for battery-powered applications where ultra-low IQ (80 µA) dominates over ripple performance. | Select TPS560430YDBVT only if PFM's variable frequency and ripple are acceptable; not drop-in for FPWM-sensitive designs. |
| TPS54202HDDCR | 2-A output, 2.1-MHz FPWM, same SOT-23-6 package; higher RDS(on) (500/300 mΩ), wider input (4.5–28 V), no frequency foldback. | Used where higher current headroom or tighter input range is required; lacks 36-V capability and cold-crank support. | Choose TPS54202HDDCR only if ≥1.5-A output is needed; verify thermal margin due to higher conduction loss. |
Compared with TPS560430YDBVT, the TPS560430YFDBVT prioritizes output stability over light-load efficiency; compared with TPS54202HDDCR, it offers superior 36-V input handling and cold-crank operation but lower current capacity - making it optimal for space-constrained 600-mA industrial and automotive rails.
Availability
TPS560430YFDBVT is available at Aetrix Electronics and suitable for industrial PLCs, automotive camera modules, and grid infrastructure metering requiring stable component supply, long-lifecycle assurance, and production-ready qualification.
Supply support for TPS560430YFDBVT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader designing analog, embedded processing, and connectivity solutions for industrial, automotive, and consumer markets.
The TPS560430 product line delivers easy-to-use, highly integrated synchronous buck converters targeting rugged industrial and automotive power supplies - emphasizing small solution size, wide input range, and robust protection features.
FAQ
What is the maximum input voltage supported by the TPS560430YFDBVT?
The TPS560430YFDBVT supports a maximum input voltage of 36 V continuously, with absolute maximum rating of 38 V for transient conditions. This enables direct connection to 24-V industrial buses and 12-V automotive systems with cold-crank and load-dump margins. Operation above 36 V risks permanent damage and violates recommended operating conditions.
Does the TPS560430YFDBVT require external compensation components?
No, the TPS560430YFDBVT features fully internal compensation, eliminating the need for external Type-II or Type-III compensation networks. This simplifies design, reduces BOM count, and ensures stable operation with standard ceramic output capacitors (e.g., 10–22 µF X5R/X7R). Layout best practices for feedback trace routing still apply to maintain noise immunity.
Can the TPS560430YFDBVT operate with a pre-charged output capacitor?
Yes, the TPS560430YFDBVT supports startup into a pre-biased output, preventing reverse current flow and output voltage overshoot when enabled into an already charged rail. This feature is essential for hot-swap, redundant power, and multi-rail sequencing applications - confirmed in TI's SLVSE22B datasheet Section 8.3.7.
What is the purpose of the CB pin on the TPS560430YFDBVT?
The CB pin on the TPS560430YFDBVT is the bootstrap capacitor connection terminal. It must be tied via a 100-nF X7R/X5R ceramic capacitor to the SW pin to generate the gate drive voltage for the internal high-side MOSFET. Proper placement and dielectric selection are critical for reliable high-side switching across temperature and input voltage ranges.
How does the hiccup-mode protection work in the TPS560430YFDBVT?
The TPS560430YFDBVT enters hiccup mode after detecting 256 consecutive valley-current limit events (indicating persistent short-circuit or overload). It then shuts down for 135 ms before attempting restart. This cycle repeats until the fault clears, limiting average power dissipation and junction temperature rise - protecting both the IC and external components during sustained faults.
TPS560430YFDBVT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- SIMPLE SWITCHER®
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- PWM
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 4V
- Voltage - Input (Max):
- 36V
- Voltage - Output (Min/Fixed):
- 1V
- Voltage - Output (Max):
- 34.2V
- Current - Output:
- 600mA
- Frequency - Switching:
- 2.1MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
TPS560430YFDBVT FAQ
1.How can I place an order for TPS560430YFDBVT through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS560430YFDBVT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS560430YFDBVT reliable?
The price and inventory of TPS560430YFDBVT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS560430YFDBVT is usually 5 days.
3.What payment methods are accepted for TPS560430YFDBVT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS560430YFDBVT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS560430YFDBVT?
TPS560430YFDBVT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS560430YFDBVT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS560430YFDBVT?
For technical support, including TPS560430YFDBVT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS560430YFDBVT requirements.
6.How does Aetrix verify that TPS560430YFDBVT is sourced from the original manufacturer or authorized distributors?
All TPS560430YFDBVT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS560430YFDBVT meets industry standards.
7.What is the process for return or replacement of TPS560430YFDBVT?
All TPS560430YFDBVT units undergo pre-shipment inspection (PSI). If there is an issue with TPS560430YFDBVT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS560430YFDBVT part is unused and in its original packaging.
Return procedure for TPS560430YFDBVT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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