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Texas Instruments TLV62569PDDCR
- Part No.:
- TLV62569PDDCR
- Manufacturer:
- Texas Instruments
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
TLV62569PDDCR.pdf
- Description:
- IC REG BUCK ADJ 2A SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:9,307
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Product details
Overview
TLV62569PDDCR from Texas Instruments is a synchronous step-down buck DC-DC converter delivering up to 2 A output current, operating from 2.5 V to 5.5 V input, with adjustable output voltage (0.6 V to VIN), 1.5 MHz switching frequency, and integrated power good (PG) output. It serves as a compact, high-efficiency point-of-load regulator in space-constrained embedded systems.
For engineers reviewing the TLV62569PDDCR datasheet, TLV62569PDDCR pinout, TLV62569PDDCR application, or TLV62569PDDCR equivalent, key selection considerations include its SOT23-6 package, 95% peak efficiency at 1.8 V/2 A, Power Save Mode for light-load operation, 35 µA quiescent current, and PG signal for rail sequencing and fault monitoring.
Technical Context
The TLV62569PDDCR uses adaptive off-time peak current control to maintain stable ~1.5 MHz PWM operation across varying input voltage (2.5–5.5 V), output voltage (0.6–VIN), and load (0–2 A). Its internal high-side (100 mΩ) and low-side (60 mΩ) MOSFETs enable efficient synchronous rectification without external diodes.
It supports 100% duty cycle low-dropout operation, soft-start (900 µs), overcurrent protection (3 A current limit), thermal shutdown (150 °C), and UVLO (2.45 V threshold with 100 mV hysteresis). The open-drain PG pin asserts low when VFB falls below 90% of nominal, enabling reliable power-rail coordination.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 2 A continuous - supports demanding POL loads like SoCs and FPGAs without external current boosting. |
| Input Voltage Range | 2.5 V to 5.5 V - compatible with single-cell Li-ion, USB, and 3.3 V/5 V rails. |
| Switching Frequency | 1.5 MHz typical - enables use of small 2.2 µH inductors and ceramic capacitors for minimal footprint. |
| Peak Efficiency | 95% at 1.8 V/2 A, 5 VIN - reduces thermal load and extends battery life in portable applications. |
| Quiescent Current | 35 µA - maintains ultra-low standby power in always-on subsystems. |
| Power Good Output | Open-drain PG with 95%/90% VFB thresholds - provides precise rail-valid signaling for sequenced startup/shutdown. |
| RDS(on) | 100 mΩ (HS) / 60 mΩ (LS) - minimizes conduction loss and improves full-load efficiency. |
Pinout & Package
SOT23-6 package (2.90 mm × 2.80 mm body size) with exposed pad for thermal enhancement; 6-pin surface-mount configuration optimized for high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN | Enable logic input | Active-high digital control: drives device into shutdown (<2 µA IQ) when pulled low; must not float. |
| GND | Power ground reference | Primary return path for VIN, SW, FB, and PG; requires low-impedance connection to PCB ground plane. |
| SW | Switch node | Connects internal HS/LS FETs to inductor; carries high di/dt ripple - must be short, wide, and adjacent to L/C placement. |
| VIN | Input power supply | Accepts 2.5–5.5 V; requires local 4.7 µF ceramic decoupling close to pin to suppress input ripple and EMI. |
| FB | Feedback input | Monitors output via resistor divider (e.g., R1=200 kΩ, R2=100 kΩ for 1.8 V); sensitive to noise - route away from SW. |
| PG | Power good open-drain output | Asserts high-Z when VOUT ≥95% setpoint; sinks ≤1 mA when VOUT ≤90%; requires external pull-up ≤5.5 V. |
Key Features
| Feature | Design Value |
|---|---|
| Power Save Mode (PSM) | Automatically engages at light load to reduce switching frequency and maintain >80% efficiency down to 10 mA. |
| 100% Duty Cycle Operation | Enables dropout <200 mV at 2 A (e.g., 1.8 V out from 2.0 V in), critical for battery end-of-discharge support. |
| Internal Soft Start | 900 µs controlled ramp prevents inrush current and allows safe start into pre-biased outputs. |
| Integrated Protection | Includes overcurrent (3 A limit), thermal shutdown (150 °C), UVLO (2.45 V), and PG fault indication. |
| Low-Noise Feedback Architecture | 0.6 V reference with ±2% accuracy over temp; supports feed-forward capacitor (e.g., 6.8 pF) for improved transient response. |
Applications
| Industrial PLC I/O Module | Wi-Fi 6 Router Baseband Supply |
|---|---|
|
Use Scenario: Regulating 1.8 V for FPGA configuration and Ethernet PHY interface in DIN-rail mounted controllers. IC Role / Device Role / Timing Role: Primary POL regulator providing clean, sequenced 1.8 V/2 A with PG confirmation before enabling downstream logic. Use Value: 95% efficiency reduces heat buildup in sealed enclosures; PG output coordinates startup with MCU and communication ICs. |
Use Scenario: Powering dual-band Wi-Fi 6 baseband processors requiring stable 1.2–1.8 V under dynamic RF load. IC Role / Device Role / Timing Role: High-frequency buck converter delivering fast transient response (<10 µs recovery) via PSM-to-PWM mode transition. Use Value: 1.5 MHz switching and 35 µA IQ extend battery backup runtime; compact SOT23-6 eases layout in dense RF front-end zones. |
| Smart Surveillance Camera SoC Core | USB-C Powered Portable SSD Controller |
|
Use Scenario: Generating 1.2 V core voltage for image signal processor (ISP) and AI accelerator in edge AI cameras. IC Role / Device Role / Timing Role: Main SoC core rail regulator with tight load regulation (<±1.5%) across 0–2 A and ambient -40°C to +85°C. Use Value: 100% duty cycle supports operation down to 1.4 V input during brownout; thermal shutdown protects silicon in enclosed housings. |
Use Scenario: Converting 5 V USB-C PD input to 1.8 V for NVMe controller and NAND flash interface in portable SSDs. IC Role / Device Role / Timing Role: Efficient intermediate rail generator with PG used to gate USB enumeration until stable VOUT is confirmed. Use Value: 95% peak efficiency minimizes self-heating in thermally constrained aluminum enclosures; SOT23-6 footprint saves board area. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV62568PDDCR | No PG output; identical pinout, same 2 A rating, 1.5 MHz, and 2.5–5.5 V input range. | Lacks rail-sequencing capability; suitable only where power-good monitoring is unnecessary. | Select TLV62568PDDCR if PG functionality is omitted from system architecture to reduce BOM cost. |
| TPS62865DRLR | Higher 4 A rating, 2.5–5.5 V input, 1.8 V fixed output, 2.25 MHz switching, but no adjustable VOUT or PG. | Fixed-output variant optimized for simplified design; lacks flexibility for multi-voltage SoC domains. | Choose TPS62865DRLR only when fixed 1.8 V/4 A is required and board space permits larger SOT563 package. |
Compared with TLV62569PDDCR, TLV62568PDDCR removes PG functionality while retaining identical electrical performance and pin compatibility, whereas TPS62865DRLR trades adjustability and PG for higher current and fixed output - neither is pin-compatible nor drop-in.
Availability
TLV62569PDDCR is available at Aetrix Electronics and suitable for industrial PLC I/O modules, Wi-Fi 6 router baseband supplies, smart surveillance camera SoC cores, and USB-C powered portable SSD controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for TLV62569PDDCR 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 specializing in analog, embedded processing, and power management technologies, with decades of expertise in high-efficiency DC-DC conversion.
The TLV62569PDDCR belongs to TI's TLV6256x family of compact synchronous buck converters, designed specifically for space-constrained, high-efficiency point-of-load applications in portable, industrial, and networking equipment.
FAQ
What is the maximum output current supported by the TLV62569PDDCR?
The TLV62569PDDCR delivers up to 2 A of continuous output current under recommended operating conditions (TJ ≤ 125 °C, proper PCB thermal design). Its internal high-side and low-side MOSFETs (100 mΩ / 60 mΩ) are rated for this load, and the current limit is specified at 3 A to accommodate transient peaks without shutdown.
Does the TLV62569PDDCR support adjustable output voltage?
Yes, the TLV62569PDDCR supports fully adjustable output voltage from 0.6 V to VIN using an external resistor divider connected to the FB pin. For example, a 200 kΩ (R1) and 100 kΩ (R2) divider sets VOUT = 1.8 V. The internal 0.6 V reference ensures ±2% accuracy across temperature and line conditions.
What is the purpose of the PG pin on the TLV62569PDDCR?
The PG (Power Good) pin on the TLV62569PDDCR is an open-drain output that signals valid regulation: it goes high-impedance when VFB ≥ 95% of nominal and pulls low when VFB ≤ 90%. This enables precise rail sequencing - for instance, connecting PG to the EN pin of a secondary converter ensures ordered power-up in multi-rail systems.
Can the TLV62569PDDCR operate with a 2.5 V input and 1.8 V output?
Yes, the TLV62569PDDCR operates reliably with a 2.5 V input and 1.8 V output. In this condition, it enters 100% duty cycle mode to maintain regulation, leveraging its low RDS(on) to minimize dropout. Efficiency remains >85% at 2 A, and thermal performance is validated per RθJA = 106.2 °C/W for the SOT23-6 package.
How does Power Save Mode (PSM) improve light-load efficiency in the TLV62569PDDCR?
Power Save Mode (PSM) in the TLV62569PDDCR reduces switching frequency and gate drive activity at light loads (<100 mA), lowering quiescent current to ~35 µA and sustaining >80% efficiency. This avoids the efficiency cliff seen in forced-PWM converters and extends battery life in always-on IoT endpoints without compromising transient response.
TLV62569PDDCR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SOT-23-6 Thin, TSOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- -
- Voltage - Input (Min):
- 2.5V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 0.6V
- Voltage - Output (Max):
- 5.5V
- Current - Output:
- 2A
- Frequency - Switching:
- 1.5MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-THIN
TLV62569PDDCR FAQ
1.How can I place an order for TLV62569PDDCR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV62569PDDCR 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 TLV62569PDDCR reliable?
The price and inventory of TLV62569PDDCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV62569PDDCR is usually 5 days.
3.What payment methods are accepted for TLV62569PDDCR?
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4.How is shipping managed for TLV62569PDDCR?
TLV62569PDDCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV62569PDDCR 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 TLV62569PDDCR?
For technical support, including TLV62569PDDCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV62569PDDCR requirements.
6.How does Aetrix verify that TLV62569PDDCR is sourced from the original manufacturer or authorized distributors?
All TLV62569PDDCR 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 TLV62569PDDCR meets industry standards.
7.What is the process for return or replacement of TLV62569PDDCR?
All TLV62569PDDCR units undergo pre-shipment inspection (PSI). If there is an issue with TLV62569PDDCR, 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 TLV62569PDDCR part is unused and in its original packaging.
Return procedure for TLV62569PDDCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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