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Texas Instruments TPS62006DGS
- Part No.:
- TPS62006DGS
- Manufacturer:
- Texas Instruments
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
TPS62006DGS.pdf
- Description:
- IC REG BUCK 2.5V 600MA 10VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,285
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Product details
Overview
TPS62006DGS from Texas Instruments is a fixed-output 3.3 V, synchronous step-down DC-DC converter optimized for low-power battery-operated systems. It operates from 2 V to 5.5 V input, delivers up to 600 mA output current, achieves >95% efficiency at 3.6 VIN/2.5 VOUT, and features pin-programmable current limit (600 mA or 1.2 A) and PFM/PWM mode selection via SYNC pin. It serves as the primary power supply for 3.3 V logic rails in handheld embedded devices.
For engineers reviewing the TPS62006DGS datasheet, TPS62006DGS pinout, TPS62006DGS application, or TPS62006DGS equivalent, key selection criteria include its 3.3 V fixed output, 10-pin VSSOP (DGS) package, 750 kHz typical switching frequency, 50 µA quiescent current in power-save mode, and support for external clock synchronization up to 1 MHz.
Technical Context
The TPS62006DGS implements a current-mode synchronous buck topology with integrated P-channel high-side and N-channel low-side MOSFETs. Its control loop uses internal compensation and supports three operational modes: forced PWM (SYNC = VIN), power-save PFM/PWM (SYNC = GND), and externally synchronized PWM (SYNC = CMOS clock, 500–1000 kHz).
It features undervoltage lockout (~1.6 V), internal soft-start (~1 ms), 100% duty-cycle dropout operation, and an open-drain power-good (PG) output that asserts when VOUT exceeds 92% of nominal. The ILIM pin selects between 600 mA (ILIM = GND) and 1200 mA (ILIM = VIN) switch current limits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.3 V ±3% over load (10–600 mA) and line (2.7–5.5 V) |
| Input Voltage Range | 2 V to 5.5 V - supports single-cell Li-ion (2.7–4.2 V) and dual/triple alkaline/NiMH batteries |
| Max Output Current | 600 mA at VIN ≥ 2.7 V - sufficient for powering 3.3 V microcontrollers, RF transceivers, and interface ICs |
| Quiescent Current | 50 µA typical in PFM mode - enables multi-week battery life in always-on sensor nodes |
| Switching Frequency | 750 kHz typical (500–1000 kHz sync range) - allows compact 10 µH inductor and low-ESR ceramic capacitors |
| Efficiency | 95% at 3.6 VIN/2.5 VOUT/200 mA - minimizes thermal rise in space-constrained portable PCBs |
| Shutdown Current | 0.1 µA typical - ensures negligible battery drain during system sleep or off-state |
Pinout & Package
TPS62006DGS is housed in a 10-pin VSSOP (DGS) package measuring 3.00 mm × 3.00 mm, optimized for high-density portable designs. Thermal resistance is RθJA = 160°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN (Pin 1) | Power input | Accepts 2–5.5 V supply; requires 10 µF input capacitor for stability and EMI suppression |
| FC (Pin 2) | Input bypass | High-frequency decoupling node - connect 0.1 µF capacitor close to pin for noise filtering |
| GND (Pin 3) | Analog ground | Reference for feedback and control circuitry; separate from PGND to reduce noise coupling |
| PG (Pin 4) | Power-good indicator | Open-drain output active high when VOUT ≥ 92% of 3.3 V; requires external pull-up to VOUT |
| FB (Pin 5) | Feedback reference | Internally connected to 3.3 V divider - unused in fixed-output TPS62006DGS; leave floating or tie to GND |
| ILIM (Pin 6) | Current limit select | Ground for 600 mA limit; connect to VIN for 1.2 A limit - sets peak inductor current threshold |
| SYNC (Pin 7) | Mode control | GND = PFM/PWM auto-switching; VIN = forced PWM; external CMOS clock = synchronized PWM |
| EN (Pin 8) | Enable input | Active-high logic; <0.4 V disables device, reducing IQ to <1 µA - enables system-level power sequencing |
| L (Pin 9) | Switch node | Connects to inductor; carries high di/dt switching current - requires short, low-inductance PCB trace |
| PGND (Pin 10) | Power ground | Return path for high-current switch and inductor - must be tied to GND at single point near PGND pin |
Key Features
| Feature | Design Value |
|---|---|
| Synchronous rectification | Integrated P- and N-channel MOSFETs eliminate external diode, improving efficiency by ~10% vs. asynchronous buck |
| Antiringing switch | Active only in fixed-output variants (including TPS62006DGS) to suppress parasitic LC ringing and reduce EMI in DCM |
| Pin-programmable current limit | Two discrete settings (600/1200 mA) via ILIM pin - enables one BOM for varying load requirements without layout change |
| 100% duty-cycle operation | Maintains regulation down to VIN – VDS(ON) ≈ 3.3 V - extends usable battery voltage range in Li-ion discharge profile |
| Internal soft-start | ~1 ms ramp prevents inrush current and output overshoot - eliminates need for external soft-start circuitry |
Applications
| Portable Audio Power Supply | USB DSL Modem Core Rail |
|---|---|
|
Use Scenario: MP3 player with ARM-based SoC requiring clean, regulated 3.3 V for audio codec, SD card interface, and display driver. IC Role / Device Role / Timing Role: Primary step-down regulator converting single-cell Li-ion (3.0–4.2 V) to stable 3.3 V rail. Use Value: 95% efficiency at mid-load preserves battery runtime; 50 µA quiescent current extends standby time; antiringing switch ensures low EMI near sensitive analog audio paths. |
Use Scenario: USB-powered DSL modem requiring robust 3.3 V core supply for PHY and controller ICs under variable USB bus voltage (4.75–5.25 V). IC Role / Device Role / Timing Role: Input-stage buck converter stepping down USB VBUS to isolated 3.3 V domain with tight regulation. Use Value: 2 V minimum input supports brownout tolerance; 100% duty cycle maintains output during USB dips; PG signal enables firmware-controlled power sequencing. |
| Handheld PDA System Power | Low-Power MCU Subsystem |
|
Use Scenario: Palm-sized PDA with dual-voltage architecture: 3.3 V for I/O and 1.8 V for core - TPS62006DGS supplies the 3.3 V rail. IC Role / Device Role / Timing Role: Main system regulator enabling fast wake-from-sleep transitions via EN pin control. Use Value: 1 µA shutdown current enables deep-sleep modes; SYNC pin allows dynamic switching between PFM (battery life) and forced PWM (EMI control during data transmission). |
Use Scenario: Industrial sensor node using MSP430 MCU with intermittent 3.3 V peripheral activation (RF, ADC, display). IC Role / Device Role / Timing Role: Always-on power source delivering precise 3.3 V with rapid start-up (<2 ms) after EN assertion. Use Value: 0.4 ms typical start-up time meets MCU reset timing; ±3% output accuracy ensures reliable digital logic margins; small 3×3 mm VSSOP eases placement on compact sensor PCB. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-output synchronous buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62007DGS | Fixed 2.5 V output; identical pinout, package, and feature set | Used where system requires 2.5 V logic instead of 3.3 V - no change to PCB or external components beyond output capacitor | Select when target rail voltage is 2.5 V; shares same design files and layout except feedback network (not used) and output cap rating |
| TPS62231DRVR | 3.3 V fixed output, 1.2–5.5 V input, 600 mA, 2-MHz switching, 12-pin WSON (2.5 × 2.5 mm) | Higher frequency enables smaller 4.7 µH inductor; lower quiescent current (17 µA); different pinout and package | Choose for space-constrained designs needing higher efficiency at light loads or faster transient response; requires PCB redesign |
Compared with TPS62006DGS, TPS62007DGS offers identical functionality at 2.5 V for voltage-flexible platforms, while TPS62231DRVR provides superior light-load efficiency and smaller passive size at the cost of layout incompatibility and higher BOM cost.
Availability
TPS62006DGS is available at Aetrix Electronics and suitable for portable audio players, USB DSL modems, handheld PDAs, and low-power MCU subsystems requiring stable component supply across long production lifecycles.
Supply support for TPS62006DGS 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 ICs for battery-powered and industrial applications.
The TPS6200x family was designed specifically for ultra-low-power, high-efficiency DC-DC conversion in space-constrained portable electronics - emphasizing minimal external components, wide input range, and intelligent power-save operation.
FAQ
What is the output voltage tolerance of the TPS62006DGS under full load and temperature?
The TPS62006DGS delivers 3.3 V with ±3% tolerance across the full operating range: input voltage 2.7–5.5 V, output current 10–600 mA, and ambient temperature –40°C to +85°C. This specification is verified per TI's SLVS294F datasheet Section 7.5, ensuring reliable logic-level compatibility for 3.3 V I/O interfaces without additional regulation.
Can the TPS62006DGS operate with an input voltage below 2 V?
No. The TPS62006DGS has a minimum recommended input voltage of 2 V and an undervoltage lockout threshold of approximately 1.6 V. Operation below 2 V is outside the specified operating conditions and may result in unstable regulation or failure to start. For sub-2 V inputs, consider TI's TPS6274x series or alternative ultra-low-VIN regulators.
How does the SYNC pin affect efficiency and noise performance in the TPS62006DGS?
When SYNC = GND, the TPS62006DGS enters power-save mode, automatically switching between PWM (moderate/heavy load) and PFM (light load) to maintain >85% efficiency down to 1 mA. When SYNC = VIN, it forces fixed-frequency PWM - reducing output ripple and simplifying EMI filtering but lowering light-load efficiency to ~70%. This trade-off enables system-level optimization.
Is the FB pin used in the TPS62006DGS, and how should it be terminated?
No. The TPS62006DGS is a fixed-output variant with internal feedback divider set for 3.3 V. The FB pin is not connected to the internal reference and must be left unconnected (floating) or tied to GND. Connecting external resistors to FB will disrupt regulation and is not supported per datasheet Section 6 and Figure 5 notes.
What is the maximum achievable output current for the TPS62006DGS at 2.5 V input?
At VIN = 2.5 V, the TPS62006DGS supports up to 200 mA continuous output current, as specified in Section 7.3 of the datasheet. This limitation arises from reduced headroom for the P-channel high-side switch and increased conduction losses. For higher current at low input, use ILIM = VIN to enable the 1.2 A current limit and ensure adequate thermal derating.
TPS62006DGS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.5V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 2.5V
- Voltage - Output (Max):
- -
- Current - Output:
- 600mA
- Frequency - Switching:
- 750kHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-VSSOP
TPS62006DGS FAQ
1.How can I place an order for TPS62006DGS through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS62006DGS 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 TPS62006DGS reliable?
The price and inventory of TPS62006DGS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS62006DGS is usually 5 days.
3.What payment methods are accepted for TPS62006DGS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS62006DGS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS62006DGS?
TPS62006DGS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS62006DGS 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 TPS62006DGS?
For technical support, including TPS62006DGS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS62006DGS requirements.
6.How does Aetrix verify that TPS62006DGS is sourced from the original manufacturer or authorized distributors?
All TPS62006DGS 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 TPS62006DGS meets industry standards.
7.What is the process for return or replacement of TPS62006DGS?
All TPS62006DGS units undergo pre-shipment inspection (PSI). If there is an issue with TPS62006DGS, 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 TPS62006DGS part is unused and in its original packaging.
Return procedure for TPS62006DGS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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