My Inquiry
My Account
Texas Instruments TPS62A02PDDCR
- Part No.:
- TPS62A02PDDCR
- Manufacturer:
- Texas Instruments
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
TPS62A02PDDCR.pdf
- Description:
- IC REG BUCK ADJ 2A SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:1,936
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TPS62A02PDDCR from Texas Instruments is a 2-A, synchronous step-down DC/DC converter in SOT-23-6 package, operating from 2.5 V to 5.5 V input and delivering adjustable output (0.6 V to VIN) with 2.4 MHz fixed-frequency PWM or power-save mode. It integrates 100 mΩ/67 mΩ MOSFETs, achieves <23 µA quiescent current, and includes power-good indication, thermal shutdown, and HICCUP short-circuit protection - deployed in IP cameras, SSDs, and wireless routers.
For engineers reviewing the TPS62A02PDDCR datasheet, TPS62A02PDDCR pinout, TPS62A02PDDCR application, or TPS62A02PDDCR equivalent, key selection criteria include its 2-A output capability in SOT-23-6, PSM/PWM operational mode flexibility, 1% feedback accuracy over –40°C to 125°C, active output discharge, and compatibility with compact 1.0 µH inductors and low-ESR ceramic capacitors.
Technical Context
The TPS62A02PDDCR uses peak-current-mode control with adaptive off-time modulation, maintaining stable 2.4 MHz switching across input/output/load variations. Its internal soft-start limits inrush current, and it supports pre-biased start-up without output voltage undershoot.
It operates in pulse-width modulation (PWM) at medium-to-heavy loads and automatically transitions to power-save mode (PSM) at light loads to sustain high efficiency. The device enters 100% duty cycle mode for low-dropout operation when VIN approaches VOUT, enabling regulation down to VIN = VOUT + IOUT × (100 mΩ + inductor DCR).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 2 A continuous - supports high-density point-of-load rails for processors and FPGAs in space-constrained designs. |
| Input Voltage Range | 2.5 V to 5.5 V - compatible with single-cell Li-ion, USB-powered systems, and 3.3 V/5 V intermediate buses. |
| Switching Frequency | 2.4 MHz - enables use of small 1.0 µH inductors and reduces output ripple without requiring large bulk capacitance. |
| Quiescent Current | <23 µA - extends battery life in always-on IoT sensors and portable devices during standby. |
| Feedback Accuracy | ±1% (0°C to 125°C) - ensures tight output regulation across industrial temperature range without external calibration. |
| High/Low-Side RDS(on) | 100 mΩ / 67 mΩ - minimizes conduction loss at 2 A, improving full-load efficiency and reducing thermal stress in SOT-23-6. |
| Power-Good Pin | Open-drain PG on Pin 5 - provides system-level sequencing and fault monitoring without external comparators. |
Pinout & Package
SOT-23-6 package (2.90 mm × 2.80 mm), thermally enhanced with exposed pad (not electrically connected per datasheet), suitable for reflow assembly and high-power density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - EN | Enable logic input | Active-high digital control: ≥1.2 V enables regulation; ≤0.4 V forces shutdown with <2 µA supply current. |
| 2 - GND | Power ground reference | Primary return path for input capacitor, inductor, and internal power stage - must be low-impedance copper pour. |
| 3 - SW | Switch node | Connects to inductor and internal HS/LS FETs - requires minimized trace length and guard ring to reduce EMI and ringing. |
| 4 - VIN | Input power supply | Accepts 2.5–5.5 V; requires local 4.7 µF ceramic capacitor placed adjacent to this pin and GND for stability. |
| 5 - PG | Power-good open-drain output | Asserts low when VOUT is within ±6.5% of target; requires external pullup ≤5.5 V; used for rail sequencing and fault detection. |
| 6 - FB | Feedback input | Monitors output via resistor divider; 600 mV nominal reference enables precise VOUT setting (e.g., 1.8 V with 200 kΩ/100 kΩ). |
Key Features
| Feature | Design Value |
|---|---|
| Adaptive off-time PWM control | Maintains ~2.4 MHz frequency across input, output, and load variations - simplifies EMI filtering and improves transient response. |
| Power-save mode (PSM) | Reduces switching frequency at light loads while preserving >85% efficiency at 100 µA - critical for battery longevity in sleep states. |
| Internal soft-start (1 ms) | Prevents inrush current into output capacitors and avoids brownout of weak sources like coin cells or high-impedance batteries. |
| HICCUP short-circuit protection | Disables switching after 32 overcurrent events, then auto-retries - protects against sustained shorts without latch-off or manual reset. |
| Active output discharge | Internally discharges VOUT through SW pin when disabled - eliminates need for external bleed resistors in safety-critical or fast-turnoff systems. |
Applications
| IP Network Camera Power Rail | Wireless Router SoC Core Supply |
|---|---|
Use Scenario: Powers image signal processor (ISP) and Ethernet PHY in compact outdoor IP cameras with wide ambient temperature range. IC Role / Device Role / Timing Role: Primary 1.2 V/2 A buck regulator delivering clean, low-noise core voltage with fast load transient response to burst video encoding. Use Value: 2.4 MHz switching allows tiny 1.0 µH inductor and 22 µF output cap, reducing board area by >30% vs legacy 500 kHz converters. |
Use Scenario: Supplies 1.8 V core voltage to dual-band Wi-Fi 6 SoC under dynamic CPU and RF load conditions. IC Role / Device Role / Timing Role: High-efficiency point-of-load converter with PSM/PWM mode selection to maintain >90% efficiency from 100 µA idle to 2 A peak transmit load. Use Value: <23 µA quiescent current extends battery backup runtime; PG pin enables coordinated power-up with RF front-end ICs. |
| Solid-State Drive (SSD) Controller Rail | Set-Top Box FPGA Interface Supply |
Use Scenario: Generates 0.9 V/2 A for NAND flash controller in consumer SSDs where thermal headroom is limited in plastic enclosures. IC Role / Device Role / Timing Role: Compact SOT-23-6 buck converter with thermal shutdown (170°C) and 100% duty cycle mode for low-VIN dropout during brownout. Use Value: 100 mΩ/67 mΩ MOSFETs minimize self-heating; junction-to-board thermal resistance of 45.5°C/W enables passive cooling only. |
Use Scenario: Provides 1.2 V/2 A to FPGA I/O banks in cable set-top boxes with strict EMI limits and 24/7 operation requirements. IC Role / Device Role / Timing Role: Synchronous buck regulator with integrated power-good signaling for safe FPGA configuration and reset coordination. Use Value: 1% FB accuracy ensures reliable I/O voltage margining across temperature; active discharge prevents floating I/O during hot-swap events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV62569PDDCR | 1-A rated, same SOT-23-6 package and pinout; identical EN, FB, PG, SW, VIN, GND mapping; 100 mΩ/67 mΩ switches; 2.5 V–5.5 V input. | Lower output current limit restricts use to sub-1.5 A loads; unsuitable for 2 A FPGA cores or SSD controllers. | Select TLV62569PDDCR only when 1 A suffices and footprint compatibility is mandatory for redesign reuse. |
| TPS62A02APDDCR | Same 2-A rating and SOT-23-6 package, but forced-PWM (FPWM) only - no power-save mode; identical RDS(on), quiescent current, and thermal specs. | Lacks light-load efficiency optimization; less suitable for battery-powered devices requiring ultra-low standby current. | Choose TPS62A02APDDCR when deterministic 2.4 MHz switching is required for EMI control or clock synchronization, regardless of load. |
Compared with TLV62569PDDCR and TPS62A02APDDCR, the TPS62A02PDDCR uniquely balances 2-A capability, adaptive PSM/PWM operation, and industry-standard SOT-23-6 layout - making it optimal for thermally constrained, battery-aware, and high-current embedded power rails.
Availability
TPS62A02PDDCR is available at Aetrix Electronics and suitable for IP network cameras, wireless routers, and solid-state drives requiring stable component supply, long-term production continuity, and automotive-grade reliability screening.
Supply support for TPS62A02PDDCR 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 TPS62A0x family was designed for space-constrained, high-efficiency point-of-load applications in consumer, industrial, and networking equipment - emphasizing thermal performance, light-load efficiency, and seamless integration with ceramic passives.
FAQ
What is the maximum continuous output current of the TPS62A02PDDCR?
The TPS62A02PDDCR delivers up to 2 A continuous output current under recommended operating conditions (TJ ≤ 125°C, VIN ≥ 3.3 V). At lower input voltages (<3.3 V) or elevated ambient temperatures (>85°C), thermal derating may apply per EVM measurements - verify junction temperature using RθJA = 132.1°C/W and actual PCB copper area.
Does the TPS62A02PDDCR support pre-biased start-up?
Yes, the TPS62A02PDDCR supports start-up into a pre-biased output capacitor. Its control architecture ramps the output voltage from the existing bias level to the target without causing reverse current or output overshoot - essential for hot-swap and multi-rail sequencing applications.
What is the function of the PG pin on the TPS62A02PDDCR?
The PG (power-good) pin on the TPS62A02PDDCR is an open-drain output that goes low when the output voltage falls below 93.5% of the target or rises above 106.5%, and remains low during shutdown, UVLO, or thermal fault. It requires an external pullup resistor (≤5.5 V) and enables safe power sequencing with downstream logic or FPGAs.
Can the TPS62A02PDDCR operate in 100% duty cycle mode?
Yes, the TPS62A02PDDCR enters 100% duty cycle mode when VIN approaches VOUT, turning on the high-side FET continuously and disabling the low-side FET. This enables low-dropout operation with minimum input voltage calculated as VIN(MIN) = VOUT + IOUT × (100 mΩ + inductor DCR), supporting brownout resilience.
Is the TPS62A02PDDCR pin-compatible with other devices in the TPS62A0x family?
The TPS62A02PDDCR shares identical SOT-23-6 pinout (EN, GND, SW, VIN, PG, FB) with TPS62A01PDDCR and TPS62A02APDDCR. However, it is not pin-compatible with TPS62A02NPDDCR (which replaces PG with OUT pin) or any SOT-563 variants - verify package suffix and functional pin assignment before layout reuse.
TPS62A02PDDCR 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:
- 1
- 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:
- 2.4MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-THIN
TPS62A02PDDCR FAQ
1.How can I place an order for TPS62A02PDDCR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS62A02PDDCR 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 TPS62A02PDDCR reliable?
The price and inventory of TPS62A02PDDCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS62A02PDDCR is usually 5 days.
3.What payment methods are accepted for TPS62A02PDDCR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS62A02PDDCR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS62A02PDDCR?
TPS62A02PDDCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS62A02PDDCR 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 TPS62A02PDDCR?
For technical support, including TPS62A02PDDCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS62A02PDDCR requirements.
6.How does Aetrix verify that TPS62A02PDDCR is sourced from the original manufacturer or authorized distributors?
All TPS62A02PDDCR 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 TPS62A02PDDCR meets industry standards.
7.What is the process for return or replacement of TPS62A02PDDCR?
All TPS62A02PDDCR units undergo pre-shipment inspection (PSI). If there is an issue with TPS62A02PDDCR, 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 TPS62A02PDDCR part is unused and in its original packaging.
Return procedure for TPS62A02PDDCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPS62A02PDDCR Tags
-
TPS562201DDCR
Texas Instruments
-
MC34063ABD-TR
STMicroelectronics
-
TPS561201DDCR
Texas Instruments
-
MC33063ADR
Texas Instruments
-
MC34063ADR
Texas Instruments
-
TPS560200DBVR
Texas Instruments
-
AP3012KTR-G1
Diodes Incorporated
-
TLV61048DBVR
Texas Instruments
-
AZ34063UMTR-G1
Diodes Incorporated
-
TPS562200DDCR
Texas Instruments
-
AP62300TWU-7
Diodes Incorporated
-
MC34063EBD-TR
STMicroelectronics
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
