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Texas Instruments TPS7A0522PDBVR
- Part No.:
- TPS7A0522PDBVR
- Manufacturer:
- Texas Instruments
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TPS7A0522PDBVR.pdf
- Description:
- IC REG LINEAR 2.2V 200MA SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,692
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Product details
Overview
TPS7A0522PDBVR from Texas Instruments is a 200-mA, ultralow-quiescent-current (1 µA typ) low-dropout regulator with fixed 2.2-V output, 1% typical accuracy, and 235-mV max dropout at 200 mA. It operates from 1.4 V to 5.5 V input and supports battery-powered wearable electronics, always-on power rails, and portable IoT sensors.
For engineers reviewing the TPS7A0522PDBVR datasheet, TPS7A0522PDBVR pinout, TPS7A0522PDBVR application, or TPS7A0522PDBVR equivalent, key selection criteria include quiescent current under light load, dropout voltage at full rated current, thermal performance in X2SON-4, active output discharge capability, and compatibility with 0.47-µF ceramic output capacitors.
Technical Context
The TPS7A0522PDBVR integrates a PMOS pass transistor enabling ultra-low IQ operation without compromising transient response. Its internal reference and error amplifier maintain tight regulation across –40°C to +125°C junction temperature, with foldback current limiting and thermal shutdown at 160°C.
It features an enable pin (EN) with 0.9-V logic-high threshold and 0.4-V logic-low threshold, supporting direct connection to microcontroller GPIOs. The device includes active pulldown for rapid output discharge when disabled-critical for sequencing-sensitive systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.2 V ±1% (typ), ensuring stable supply for 2.2-V I/O domains or low-voltage MCUs. |
| Max Output Current | 200 mA continuous, sufficient for sensor hubs, BLE SoCs, and display bias rails. |
| Quiescent Current | 1 µA typical at no load, extending battery life in multi-year coin-cell applications. |
| Dropout Voltage | 235 mV max at 200 mA (2.2-V output), enabling operation down to 2.435-V input from aging Li-MnO₂ cells. |
| Input Voltage Range | 1.4 V to 5.5 V, compatible with single Li-ion, two alkaline, or regulated intermediate rails. |
| Accuracy Over Temp | ±3% over –40°C to +125°C, meeting industrial-grade voltage rail stability requirements. |
| Stability Capacitor | Stable with ≥0.47 µF ceramic COUT, reducing BOM count and PCB area vs. larger electrolytics. |
Pinout & Package
TPS7A0522PDBVR uses the 1.0-mm × 1.0-mm, 4-pin X2SON (DQN) package with wettable flanks for automated optical inspection. Thermal pad must be connected to a large-area ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN | Input supply | Accepts 1.4–5.5 V; requires ≥1-µF ceramic capacitor placed adjacent to pin for PSRR and transient immunity. |
| EN | Enable control | Active-high logic input; connect directly to MCU GPIO or pull high to IN if always-on operation is required. |
| GND | Ground reference | Primary return path for input/output currents; must be low-impedance connection to system ground plane. |
| OUT | Regulated output | Delivers 2.2 V ±1%; requires ≥0.47-µF ceramic capacitor with X5R/X7R dielectric for stability and fast load-step response. |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow IQ (1 µA) | Enables >10-year battery life in coin-cell–powered IoT endpoints with 5-µA average system current. |
| Active output discharge | Pulls OUT to GND within microseconds of EN deassertion, preventing floating states during power sequencing. |
| Foldback current limit | Reduces short-circuit power dissipation by lowering current under overload, improving reliability in unattended deployments. |
| Thermal shutdown (160°C) | Protects against sustained overloads or poor PCB heatsinking while allowing safe recovery after cooldown. |
| UVLO with 40-mV hysteresis | Prevents erratic startup during brownout conditions by holding regulation until VIN exceeds 1.3 V and remains above 1.26 V. |
Applications
| Wearable Health Sensors | Always-On Industrial Controllers |
|---|---|
Use Scenario: Continuous ECG/PPG monitoring powered by CR2032 coin cell. IC Role / Device Role / Timing Role: Primary 2.2-V LDO supplying analog front-end and ultra-low-power MCU. Use Value: 1-µA quiescent current enables >7-year battery life; 235-mV dropout sustains regulation as cell voltage decays to 2.435 V. | Use Scenario: Remote PLC I/O module requiring non-interruptible 2.2-V bias for isolation interface. IC Role / Device Role / Timing Role: Always-on backup regulator maintaining critical logic state during main rail faults. Use Value: Active discharge ensures clean reset on main rail restoration; ±3% accuracy guarantees reliable digital logic thresholds. |
| Bluetooth LE Beacons | Portable Medical Diagnostic Devices |
Use Scenario: Battery-powered asset tracker transmitting periodic BLE advertisements. IC Role / Device Role / Timing Role: Powering BLE SoC (e.g., CC2640R2F) I/O and RF sections at 2.2 V. Use Value: Stable 2.2-V output meets SoC VIO spec; 0.47-µF COUT minimizes footprint in compact 12-mm² beacon PCB. | Use Scenario: Handheld glucose meter operating from two AAA alkaline cells (2.0–3.2 V). IC Role / Device Role / Timing Role: Regulating 2.2-V rail for precision ADC reference and LCD driver. Use Value: 1.4-V minimum input allows operation down to end-of-life battery voltage; ±1% room-temp accuracy ensures <0.5% measurement error. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-quiescent-current LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TNIV1222022R | 2.2-V fixed output, 1.2-µA IQ, 250-mV dropout at 200 mA, SOT-23-5 package. | Larger footprint and higher thermal resistance (RθJA = 185.6°C/W vs. 144.1°C/W) limits power density in space-constrained designs. | Choose when SOT-23 assembly infrastructure exists and X2SON reflow capability is unavailable. |
| MCP1700T-2202E/TT | 2.2-V fixed output, 1.6-µA IQ, 600-mV dropout at 250 mA, SOT-23-3 package, no EN pin. | Lacks enable control and active discharge; dropout nearly 2.6× higher reduces usable input voltage range. | Select only for cost-sensitive, always-on applications where EN functionality and low dropout are non-critical. |
Compared with TNIV1222022R and MCP1700T-2202E/TT, the TPS7A0522PDBVR delivers superior thermal performance in a 1.0-mm² footprint, lower dropout for extended battery runtime, and integrated EN/discharge for robust power sequencing-making it optimal for miniaturized, battery-critical systems.
Availability
TPS7A0522PDBVR is available at Aetrix Electronics and suitable for wearable health sensors, always-on industrial controllers, and portable medical diagnostic devices requiring stable component supply, long-lifecycle support, and guaranteed traceability.
Supply support for TPS7A0522PDBVR 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 company specializing in analog and embedded processing technologies, with leadership in power management ICs for industrial, automotive, and consumer markets.
The TPS7A05 family was designed specifically for ultra-low-power, space-constrained battery-operated applications-emphasizing nanoscale packaging, sub-µA quiescent current, and fast transient response without external compensation.
FAQ
What is the maximum input voltage rating for the TPS7A0522PDBVR?
The TPS7A0522PDBVR has an absolute maximum input voltage of 6.0 V. Operation beyond this risks permanent damage. For reliable continuous use, the recommended maximum input is 5.5 V per the Recommended Operating Conditions table in the datasheet. This margin ensures robustness against transient spikes and line regulation variations in real-world power supplies feeding the TPS7A0522PDBVR.
Does the TPS7A0522PDBVR require an external pull-up resistor on the EN pin?
No, the TPS7A0522PDBVR does not require an external pull-up resistor on the EN pin. When enable functionality is not needed, the EN pin must be connected directly to the IN pin to ensure the device remains enabled. The internal design allows direct IN tie-off, eliminating external components and simplifying layout-this configuration is explicitly validated in the datasheet's Pin Functions section for the TPS7A0522PDBVR.
Can the TPS7A0522PDBVR operate with a 0.47-µF output capacitor?
Yes, the TPS7A0522PDBVR is fully stable with a 0.47-µF ceramic output capacitor, as confirmed in Section 6.3 (Recommended Operating Conditions) and Section 7.3 (Feature Description) of the datasheet. Using ≥0.47 µF X5R/X7R MLCC ensures phase margin >45°, fast load-step recovery (<10 µs for 0–200 mA), and immunity to PCB parasitics-making it ideal for space-constrained designs where larger capacitors are impractical for the TPS7A0522PDBVR.
What is the thermal shutdown behavior of the TPS7A0522PDBVR?
When the TPS7A0522PDBVR junction temperature reaches 160°C, thermal shutdown activates, disabling the output to prevent damage. The device remains latched off until the junction cools to approximately 140°C, at which point it automatically resumes regulation. This hysteresis prevents oscillation near the trip point and is specified in Electrical Characteristics Table 6.5 under "Tsd" for the TPS7A0522PDBVR, ensuring predictable protection during sustained overload or inadequate heatsinking.
Is the TPS7A0522PDBVR pin-compatible with other variants in the TPS7A05 family?
No, the TPS7A0522PDBVR is not pin-compatible with other TPS7A05 variants that use different packages. While all TPS7A05 devices share identical pin functions (IN, EN, GND, OUT), the TPS7A0522PDBVR uses the 4-pin X2SON (DQN) package. Variants in SOT-23-3, SOT-23-5, or DSBGA packages have different pin counts and layouts-requiring separate PCB footprints. Pin compatibility applies only within the same package variant group, not across the entire TPS7A05 family for the TPS7A0522PDBVR.
TPS7A0522PDBVR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 2.2V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.382V @ 200mA
- Current - Output:
- 200mA
- Current - Quiescent (Iq):
- 3 µA
- Current - Supply (Max):
- -
- PSRR:
- 40dB (1kHz ~ 1MHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature, Under Voltage Lockout (UVLO)
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
TPS7A0522PDBVR FAQ
1.How can I place an order for TPS7A0522PDBVR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS7A0522PDBVR 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 TPS7A0522PDBVR reliable?
The price and inventory of TPS7A0522PDBVR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS7A0522PDBVR is usually 5 days.
3.What payment methods are accepted for TPS7A0522PDBVR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS7A0522PDBVR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS7A0522PDBVR?
TPS7A0522PDBVR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS7A0522PDBVR 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 TPS7A0522PDBVR?
For technical support, including TPS7A0522PDBVR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS7A0522PDBVR requirements.
6.How does Aetrix verify that TPS7A0522PDBVR is sourced from the original manufacturer or authorized distributors?
All TPS7A0522PDBVR 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 TPS7A0522PDBVR meets industry standards.
7.What is the process for return or replacement of TPS7A0522PDBVR?
All TPS7A0522PDBVR units undergo pre-shipment inspection (PSI). If there is an issue with TPS7A0522PDBVR, 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 TPS7A0522PDBVR part is unused and in its original packaging.
Return procedure for TPS7A0522PDBVR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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