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Texas Instruments TPS62200DBVTG4
- Part No.:
- TPS62200DBVTG4
- Manufacturer:
- Texas Instruments
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TPS62200DBVTG4.pdf
- Description:
- IC REG BUCK ADJ 300MA SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,850
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Product details
Overview
TPS62200DBVTG4 from Texas Instruments is an adjustable-output synchronous step-down DC-DC converter in a 5-pin SOT-23 package, delivering up to 300 mA at output voltages from 0.7 V to VI, with 1-MHz fixed-frequency PWM operation and power-save mode for high efficiency across load range. It targets low-voltage DSPs and processors in portable battery-powered systems.
For engineers reviewing the TPS62200DBVTG4 datasheet, TPS62200DBVTG4 pinout, TPS62200DBVTG4 application, or TPS62200DBVTG4 equivalent, key selection criteria include its 2.5–6 V input range, 0.5 V internal reference, 15 µA typical quiescent current in power-save mode, and support for dynamic voltage positioning during light-to-heavy load transients.
Technical Context
The TPS62200DBVTG4 implements a fast-response voltage-mode control architecture with input voltage feed-forward, enabling stable regulation using only small ceramic capacitors (4.7 µF input, 10 µF output). Its dual-mode operation-PWM at medium-to-full load and PFM in power-save mode-maintains >90% efficiency from 1 mA to 300 mA.
Internally, it integrates complementary P-channel and N-channel MOSFETs (rDS(on) ≤850 mΩ and ≤660 mΩ respectively at 2.5 V), undervoltage lockout (1.5–2.0 V threshold), soft-start (800 µs typical with 10 µF COUT, 200 mA load), and 100% duty-cycle low-dropout capability for extended battery runtime.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.5 V to 6.0 V - supports single-cell Li-ion (2.7–4.2 V) and standard 3.3 V/5 V rails without external regulators. |
| Output Voltage Range | 0.7 V to VI - adjustable via external resistor divider; internal 0.5 V reference enables precise low-VOUT setting. |
| Max Output Current | 300 mA - sufficient for powering low-voltage cores (e.g., ARM Cortex-M, DSPs) in handheld devices. |
| Switching Frequency | 650–1500 kHz (typ. 1 MHz) - enables compact magnetics (e.g., 10 µH inductor) and predictable EMI filtering. |
| Quiescent Current | 15 µA typ. in power-save mode - extends battery life in standby/sleep states of portable electronics. |
| Efficiency Peak | Up to 95% at 200 mA / 1.8 VOUT, VIN = 3.7 V - minimizes thermal stress and improves system-level power budget. |
| Feedback Accuracy | ±3% over 0–300 mA load and –40°C to 85°C - ensures stable core voltage under varying thermal and load conditions. |
Pinout & Package
TPS62200DBVTG4 is housed in a 5-pin SOT-23 (DBV) package measuring 2.90 mm × 1.60 mm, optimized for space-constrained portable PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VI (Pin 1) | Power input | Accepts 2.5–6 V supply; connects directly to input capacitor (min. 4.7 µF ceramic) placed adjacent to pin. |
| GND (Pin 2) | Ground reference | Primary return path for power and control circuits; requires low-impedance connection to PCB ground plane. |
| EN (Pin 3) | Enable control | Active-high logic input; pull to VI to enable, to GND to enter shutdown (0.1 µA IQ); must not float. |
| FB (Pin 4) | Feedback input | Connects to resistor divider (R1/R2) for adjustable VOUT; internal 0.5 V reference sets VOUT = 0.5×(1 + R1/R2). |
| SW (Pin 5) | Switch node | Drives external inductor (typ. 10 µH); carries high di/dt switching current; requires tight layout to minimize EMI. |
Key Features
| Feature | Design Value |
|---|---|
| Dynamic Voltage Positioning | Maintains VOUT ~0.8% above nominal during light load, reducing undershoot during sudden load steps to full current. |
| 100% Duty-Cycle Operation | Enables regulation down to VIN – VDS(on)×ILOAD, maximizing usable battery voltage range in Li-ion applications. |
| Soft Start | Digital ramp limits inrush current; typical 800 µs startup time with 10 µF COUT and 200 mA load prevents input rail collapse. |
| Power Save Mode (PFM) | Reduces switching frequency and quiescent current to 15 µA at light loads, sustaining >85% efficiency below 10 mA. |
| Synchronous Rectification | Integrated N-channel MOSFET replaces external Schottky diode, eliminating reverse recovery loss and improving light-load efficiency. |
Applications
| Smartphone Application Processor Core | PDA Memory Interface Supply |
|---|---|
Use Scenario: Powers ARM-based application processor core requiring dynamically scaled 0.9–1.2 V at up to 300 mA during active mode, dropping to µA-level idle current. IC Role / Device Role / Timing Role: Primary point-of-load regulator delivering tightly regulated, low-noise VCORE with fast transient response to CPU load changes. Use Value: Dynamic voltage positioning and 15 µA quiescent current extend battery life while maintaining core stability during burst workloads. |
Use Scenario: Supplies 1.8 V to NAND flash and SRAM interfaces in handheld PDAs, where input derives from aging 3-cell NiMH batteries (3.0–4.5 V). IC Role / Device Role / Timing Role: Adjustable buck converter configured for fixed 1.8 V output, supporting wide input variation without external LDO post-regulation. Use Value: 100% duty-cycle operation extracts full energy from declining battery voltage, extending usable runtime by >12% versus non-LDO-free solutions. |
| Digital Camera Image Sensor Bias | Portable Media Player Audio Codec |
Use Scenario: Generates clean 2.8 V bias for CMOS image sensor analog front-end in compact digital cameras, operating from 3.3 V system rail. IC Role / Device Role / Timing Role: Low-noise, high-PSRR step-down regulator with minimal external components (5-pin SOT-23 + 2 caps + 1 inductor). Use Value: 1-MHz fixed-frequency operation simplifies EMI filtering; ceramic capacitor compatibility eliminates tantalum reliability concerns. |
Use Scenario: Provides 1.2 V supply to stereo audio codec IC in MP3 players, where efficiency at 5–50 mA partial-load dominates battery life. IC Role / Device Role / Timing Role: High-efficiency synchronous buck converter leveraging power-save mode to sustain >90% efficiency down to 5 mA load. Use Value: 15 µA quiescent current and PFM mode reduce no-load power loss by 3× versus conventional PWM-only converters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62231DBVR | Higher 2-MHz switching frequency; tighter ±1% output accuracy; integrated soft-start capacitor; same 5-pin SOT-23 package. | Better suited for ultra-compact designs needing faster transient response and higher precision, but with slightly higher BOM cost. | Select when design requires <1% VOUT tolerance or >1.5-MHz operation; not drop-in due to different FB divider impedance requirements. |
| AP63200WU-7 | 300 mA rating, 2.5–5.5 V input, 1.8 V fixed output; 1.2-MHz switching; 25 µA quiescent current; WLCSP-6 package (1.2 mm × 0.8 mm). | Smaller footprint and lower profile than SOT-23, but fixed 1.8 V output and no adjustability; requires re-layout for package change. | Choose for space-critical wearables where 1.8 V is sufficient and board area is premium; not pin-compatible with TPS62200DBVTG4. |
Compared with TPS62200DBVTG4, TPS62231DBVR offers improved accuracy and frequency for precision-sensitive loads, while AP63200WU-7 trades adjustability and package compatibility for extreme miniaturization-neither is pin-to-pin replaceable, and both require schematic and layout validation.
Availability
TPS62200DBVTG4 is available at Aetrix Electronics and suitable for smartphone application processor cores, PDA memory interfaces, digital camera sensor bias supplies, and portable media player audio codecs requiring stable component supply, long-term lifecycle support, and consistent parametric performance.
Supply support for TPS62200DBVTG4 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 TPS6220x product line was designed specifically for portable battery-powered equipment-delivering high efficiency across wide load ranges while minimizing solution size and external component count.
FAQ
What is the output voltage adjustment range supported by the TPS62200DBVTG4?
The TPS62200DBVTG4 supports an adjustable output voltage range from 0.7 V up to the input voltage (VI), set via an external resistor divider connected to the FB pin. Its internal 0.5 V reference enables precise low-voltage outputs-for example, 0.9 V (R1 = 800 kΩ, R2 = 400 kΩ) or 1.2 V (R1 = 1.4 MΩ, R2 = 400 kΩ)-with ±3% total accuracy over temperature and load.
Does the TPS62200DBVTG4 support 100% duty-cycle operation, and what is its practical benefit?
Yes, the TPS62200DBVTG4 supports true 100% duty-cycle operation, where the P-channel high-side switch remains continuously on. This allows regulation even when VIN approaches VOUT, maximizing usable battery voltage range-critical in single-cell Li-ion systems (2.7–4.2 V) powering 1.8 V or 2.8 V loads, extending operational runtime by up to 15% compared to non-100% duty-cycle alternatives.
How does the power-save mode of the TPS62200DBVTG4 improve efficiency at light loads?
The TPS62200DBVTG4 enters power-save mode (PFM) below ~10 mA load, reducing switching frequency and quiescent current to 15 µA typical. This maintains >85% efficiency at 1 mA and >90% at 5 mA-far exceeding fixed-frequency PWM-only converters-by eliminating unnecessary switching losses while preserving regulation via dynamic voltage positioning and comparator-controlled pulse bursts.
What are the recommended external components for a basic TPS62200DBVTG4 application circuit?
A minimal TPS62200DBVTG4 circuit requires five components: a 4.7 µF ceramic input capacitor (X5R, 0805), a 10 µH shielded inductor (e.g., Sumida CDRH5D28-100), a 10 µF ceramic output capacitor (X5R, 0805), and two feedback resistors (e.g., R1 = 1.02 MΩ, R2 = 1 MΩ for 1.0 V output). No compensation network is needed-the internal loop is fully stabilized.
Is the TPS62200DBVTG4 pin-compatible with other members of the TPS6220x family, such as the TPS62202DBVTG4?
Yes, all TPS6220x variants-including TPS62200DBVTG4, TPS62202DBVTG4, and TPS62205DBVTG4-share identical 5-pin SOT-23 (DBV) packaging and pinout (VI, GND, EN, FB, SW). However, fixed-output versions (e.g., TPS62202 = 1.8 V) tie FB internally and omit the resistor divider; substituting them for the adjustable TPS62200DBVTG4 requires schematic modification and may impact feedback loop stability if external dividers remain.
TPS62200DBVTG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.5V
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 0.7V
- Voltage - Output (Max):
- 6V
- Current - Output:
- 300mA
- Frequency - Switching:
- 1MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
TPS62200DBVTG4 FAQ
1.How can I place an order for TPS62200DBVTG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS62200DBVTG4 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 TPS62200DBVTG4 reliable?
The price and inventory of TPS62200DBVTG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS62200DBVTG4 is usually 5 days.
3.What payment methods are accepted for TPS62200DBVTG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS62200DBVTG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS62200DBVTG4?
TPS62200DBVTG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS62200DBVTG4 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 TPS62200DBVTG4?
For technical support, including TPS62200DBVTG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS62200DBVTG4 requirements.
6.How does Aetrix verify that TPS62200DBVTG4 is sourced from the original manufacturer or authorized distributors?
All TPS62200DBVTG4 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 TPS62200DBVTG4 meets industry standards.
7.What is the process for return or replacement of TPS62200DBVTG4?
All TPS62200DBVTG4 units undergo pre-shipment inspection (PSI). If there is an issue with TPS62200DBVTG4, 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 TPS62200DBVTG4 part is unused and in its original packaging.
Return procedure for TPS62200DBVTG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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