My Inquiry
My Account
Texas Instruments TPS62A01PDDCR
- Part No.:
- TPS62A01PDDCR
- Manufacturer:
- Texas Instruments
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
TPS62A01PDDCR.pdf
- Description:
- IC REG BUCK ADJ 1A SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:2,836
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TPS62A01PDDCR from Texas Instruments is a 1A, synchronous step-down DC/DC converter in SOT-23-6 package, operating from 2.5V to 5.5V input and delivering adjustable 0.6V–VIN output with 2.4MHz fixed-frequency PWM or power-save mode. It integrates 100mΩ/67mΩ MOSFETs, achieves <23µA quiescent current, and features power-good (PG) output and thermal shutdown-designed for compact, high-efficiency point-of-load regulation in space-constrained battery-powered systems.
For engineers reviewing the TPS62A01PDDCR datasheet, TPS62A01PDDCR pinout, TPS62A01PDDCR application, or TPS62A01PDDCR equivalent, key selection criteria include its 1A output capability in SOT-23-6, PG pin functionality, PSM/PWM operational mode flexibility, 1% feedback accuracy over –40°C to 125°C, and compatibility with low-ESR ceramic output capacitors down to 10µF at VOUT ≥ 1.8V.
Technical Context
The TPS62A01PDDCR employs adaptive off-time peak-current control to maintain stable 2.4MHz switching across input/output/load variations. Its internal soft-start limits inrush current during enable, and it supports pre-biased start-up without output voltage undershoot.
It operates in pulse-width modulation (PWM) mode 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 under low VIN–VOUT conditions, enabling low-dropout operation with minimal dropout voltage determined by high-side RDS(ON) and inductor DCR.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.5V to 5.5V - supports single-cell Li-ion, USB, and wide-input industrial rails without external LDO pre-regulation. |
| Output Current | 1A continuous - sufficient for powering core logic, memory, or interface ICs in portable and embedded applications. |
| Switching Frequency | 2.4MHz - enables use of small 1.0µH inductors and compact 0805-size ceramic capacitors for minimal board area. |
| Quiescent Current | <23µA - extends battery life in always-on or low-duty-cycle IoT sensors and wearables. |
| Feedback Accuracy | ±1% over –40°C to 125°C - ensures tight output regulation across automotive and industrial temperature ranges. |
| High/Low-Side RDS(ON) | 100mΩ / 67mΩ - reduces conduction losses and improves full-load efficiency, especially at low output voltages. |
| Power-Good Output | Open-drain PG pin on Pin 5 - provides system-level rail sequencing and fault monitoring without external comparators. |
Pinout & Package
SOT-23-6 package (2.90mm × 2.80mm), thermally enhanced with exposed pad (not electrically connected); suitable for reflow assembly and high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (EN) | Enable input | Active-high logic control; must be pulled high to operate; floating not allowed-prevents unintended startup. |
| 2 (GND) | Power ground | Main return path for input/output currents; requires low-impedance connection to PCB ground plane for stability. |
| 3 (SW) | Switch node | Connects to inductor and internal FETs; high di/dt node requiring short, wide trace and local decoupling. |
| 4 (VIN) | Input supply | Accepts 2.5V–5.5V; requires 4.7µF ceramic capacitor placed adjacent to minimize input ripple and EMI. |
| 5 (PG) | Power-good open-drain | Asserts low when VOUT is within ±6.5% of target; needs external pullup ≤5.5V; used for system power sequencing. |
| 6 (FB) | Feedback input | Monitors output via resistor divider; 600mV reference enables precise adjustable output from 0.6V to VIN. |
Key Features
| Feature | Design Value |
|---|---|
| Power Save Mode (PSM) | Automatically engages at light load to reduce switching frequency and quiescent current below 23µA-critical for battery runtime. |
| 100% Duty Cycle Operation | Enables dropout as low as IOUT × (100mΩ + inductor DCR), supporting ultra-low VIN–VOUT scenarios like 3.3V-in → 3.0V-out. |
| Active Output Discharge | Internally discharges output capacitor via SW pin when disabled-prevents residual voltage from interfering with downstream logic states. |
| HICCUP Short-Circuit Protection | Shuts down after 32 overcurrent events, then auto-retries every ~100µs-protects against sustained shorts without latch-off. |
| Thermal Shutdown with Hysteresis | Triggers at 170°C junction temperature and resumes only after cooling by 20°C-ensures robust operation under transient overload. |
Applications
| Wireless Router Power Rail | IP Network Camera Core Supply |
|---|---|
Use Scenario: Powers 1.8V SoC core and DDR I/O in compact wireless access points with limited board area and thermal budget. IC Role / Device Role / Timing Role: Primary point-of-load regulator converting 5V USB or PoE-derived rail to stable 1.8V at up to 1A. Use Value: 2.4MHz operation allows 1.0µH inductor and 22µF output capacitance, reducing solution size by >30% vs lower-frequency alternatives. |
Use Scenario: Supplies image sensor and ISP in battery- or PoE-powered IP cameras requiring low-noise, fast-transient response. IC Role / Device Role / Timing Role: Adjustable buck converter delivering 1.2V or 1.8V from 3.3V or 5V input with PG signaling for clean boot sequencing. Use Value: <23µA IQ and PSM mode extend standby time; active discharge prevents sensor reset glitches during power cycling. |
| Solid State Drive (SSD) Controller | Multi-function Printer Logic Supply |
Use Scenario: Regulates 1.2V core voltage for NAND controller and PCIe PHY in M.2 SSD modules with strict thermal constraints. IC Role / Device Role / Timing Role: High-efficiency synchronous buck providing tightly regulated 1.2V at 1A with thermal shutdown protection. Use Value: 100mΩ/67mΩ MOSFETs and 1% FB accuracy ensure <±12mV output deviation across temperature and load-meeting SSD voltage tolerance specs. |
Use Scenario: Powers ARM-based print controller and interface peripherals in compact office printers with intermittent high-current bursts. IC Role / Device Role / Timing Role: Main 3.3V or 1.8V logic rail generator from 5V intermediate bus, featuring soft-start and PG for sequenced power-up. Use Value: Internal soft-start prevents inrush-induced brownouts during cold start; PG pin coordinates FPGA and MCU initialization timing. |
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 | Pin-to-pin compatible, same SOT-23-6 package and 1A rating, but fixed 3.3V or adjustable 0.6–5.5V output; lacks PG pin and has higher 30µA IQ. | No power-good signaling-unsuitable where rail sequencing or fault monitoring is required. | Select TLV62569PDDCR only if PG is unnecessary and fixed-output variants simplify BOM; verify thermal performance at 1A in same layout. |
| TPS62067QDSGRQ1 | Automotive-grade (AEC-Q100), 1A, 2.7–6V input, 2.5MHz, includes PG and soft-start-but uses 2.0mm × 2.0mm WSON package, not SOT-23-6. | Requires PCB redesign due to different footprint and thermal pad; rated for –40°C to 125°C junction with extended reliability testing. | Choose TPS62067QDSGRQ1 for automotive infotainment or ADAS modules needing AEC-Q100 qualification; not drop-in for consumer designs. |
Compared with TLV62569PDDCR, TPS62A01PDDCR adds PG signaling and lower IQ for battery-sensitive systems; versus TPS62067QDSGRQ1, it offers identical functionality in a smaller, non-automotive SOT-23-6 package-ideal for cost-optimized industrial and consumer designs where AEC-Q100 is not mandated.
Availability
TPS62A01PDDCR is available at Aetrix Electronics and suitable for wireless routers, IP network cameras, solid state drives, multi-function printers, and general-purpose point-of-load applications requiring stable component supply, consistent parametric performance, and long-term manufacturability.
Supply support for TPS62A01PDDCR 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 and embedded processing technologies, with decades of expertise in power management IC design and manufacturing.
The TPS62A0x family was engineered for high-efficiency, space-constrained DC/DC conversion in portable and embedded systems-emphasizing low IQ, small solution size, and robust protection features without sacrificing regulation accuracy.
FAQ
What is the maximum output current supported by the TPS62A01PDDCR?
The TPS62A01PDDCR is rated for 1A continuous output current under recommended operating conditions (TJ ≤ 125°C, VIN ≥ 3.3V). At ambient temperatures above 85°C or input voltages below 3.3V, thermal derating may apply-consult the thermal metrics (RθJA = 132.1°C/W for DDC) and efficiency curves to confirm safe operation in your layout.
Does the TPS62A01PDDCR support pre-biased output startup?
Yes, the TPS62A01PDDCR supports pre-biased output startup: when enabled, it begins regulating from the existing output voltage rather than forcing a hard ramp from 0V, preventing reverse current flow and avoiding disruption to downstream circuitry already powered.
What is the function of Pin 5 (PG) on the TPS62A01PDDCR?
Pin 5 on the TPS62A01PDDCR is the open-drain power-good (PG) output. It pulls low when the output voltage falls outside ±6.5% of the target (e.g., 93.5–96% of nominal VOUT), and goes high-impedance when regulation is valid-enabling system-level power sequencing and fault detection with an external pullup resistor.
Can the TPS62A01PDDCR operate in forced PWM mode?
No-the TPS62A01PDDCR operates in automatic PSM/PWM mode only. Forced PWM (FPWM) is exclusive to the 'A' variants (e.g., TPS62A01APDDCR). Using TPS62A01PDDCR in noise-sensitive environments requires careful layout and filtering, as PSM introduces variable-frequency operation at light loads.
What output capacitor value is required for 3.3V output with the TPS62A01PDDCR?
For VOUT ≥ 1.8V-including 3.3V-the TPS62A01PDDCR requires a minimum 10µF ceramic output capacitor. TI recommends X7R/X5R dielectric with low ESR; 22µF is typical for optimal transient response and stability, as validated in lab testing and simulation.
TPS62A01PDDCR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- TPS62A0x
- 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:
- 1A
- 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
TPS62A01PDDCR FAQ
1.How can I place an order for TPS62A01PDDCR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS62A01PDDCR 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 TPS62A01PDDCR reliable?
The price and inventory of TPS62A01PDDCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS62A01PDDCR is usually 5 days.
3.What payment methods are accepted for TPS62A01PDDCR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS62A01PDDCR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS62A01PDDCR?
TPS62A01PDDCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS62A01PDDCR 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 TPS62A01PDDCR?
For technical support, including TPS62A01PDDCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS62A01PDDCR requirements.
6.How does Aetrix verify that TPS62A01PDDCR is sourced from the original manufacturer or authorized distributors?
All TPS62A01PDDCR 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 TPS62A01PDDCR meets industry standards.
7.What is the process for return or replacement of TPS62A01PDDCR?
All TPS62A01PDDCR units undergo pre-shipment inspection (PSI). If there is an issue with TPS62A01PDDCR, 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 TPS62A01PDDCR part is unused and in its original packaging.
Return procedure for TPS62A01PDDCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPS62A01PDDCR 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…
