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Texas Instruments TPS76132DBVT
- Part No.:
- TPS76132DBVT
- Manufacturer:
- Texas Instruments
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TPS76132DBVT.pdf
- Description:
- IC REG LINEAR 3.2V 100MA SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:559
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Product details
Overview
TPS76132DBVT from Texas Instruments is a 100-mA low-dropout linear regulator in SOT-23-5 package, delivering a fixed 3.2 V output with typical dropout of 170 mV at full load, quiescent current below 1 µA in shutdown, and operation across –40°C to 125°C junction temperature - designed for space-constrained battery-powered systems including portable instrumentation and wireless sensor nodes.
For engineers reviewing the TPS76132DBVT datasheet, TPS76132DBVT pinout, TPS76132DBVT application, or TPS76132DBVT equivalent, key selection criteria include its 3.2 V fixed output, ultra-low shutdown current, thermal/overcurrent protection, SOT-23 footprint compatibility, and input voltage range up to 16 V with 1.5 kV HBM ESD rating.
Technical Context
The TPS76132DBVT employs a BiCMOS process to achieve low quiescent current and stable regulation under light-to-full load conditions. Its internal architecture integrates enable control, thermal shutdown, and current limiting - all operating without external compensation components due to built-in stability with ≥4.7 µF output capacitance (ESR 0.1–10 Ω).
It features a dedicated EN pin for logic-controlled on/off functionality and includes an inherent reverse-current diode between IN and OUT. The device does not require an external bypass capacitor on the reference node and maintains regulation with input as low as 3.58 V (min recommended VI) while sustaining 100 mA output.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.2 V ±1.25% over load/temperature - ensures stable supply for 3.3 V I/O domain logic with margin. |
| Max Output Current | 100 mA continuous - supports microcontrollers, RF transceivers, and analog sensors in compact portable designs. |
| Dropout Voltage | 170 mV typical at 100 mA - enables operation from single-cell Li-ion (3.4 V min) or two-cell alkaline (3.6 V min) sources. |
| Quiescent Current | <1 µA in shutdown mode - extends battery life in always-on monitoring applications with periodic wake-up. |
| Operating Temperature | –40°C to 125°C junction - qualified for automotive cabin, industrial control, and outdoor IoT deployments. |
| ESD Rating | 1.5 kV HBM - provides robustness against handling and board-level electrostatic discharge during assembly and field use. |
| Noise Performance | 190 µVRMS (300 Hz–50 kHz) - suitable for noise-sensitive analog front-ends and precision ADC references. |
Pinout & Package
SOT-23-5 (DBV) package: 2.9 mm × 1.6 mm × 1.45 mm body, gull-wing leads, JEDEC MO-178 compliant, RoHS-compliant NiPdAu lead finish, MSL Level-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - IN | Input voltage supply | Accepts 3.58 V to 16 V; requires ≥1 µF ceramic decoupling close to pin for high-frequency stability. |
| 2 - GND | Power ground reference | Common return path for input/output currents; must be low-impedance connection to minimize noise coupling. |
| 3 - EN | Enable control input | Active-high logic interface; <0.8 V disables regulator (IQ <1 µA), >2 V enables normal operation. |
| 4 - NC | No internal connection | Unbonded die pad; must remain unconnected on PCB - no routing or copper pour allowed. |
| 5 - OUT | Regulated output | Delivers 3.2 V ±1.25%; requires ≥4.7 µF output capacitor (ESR 0.1–10 Ω) for loop stability. |
Key Features
| Feature | Design Value |
|---|---|
| Low Quiescent Current | 100–4000 µA across 0–100 mA load - minimizes standby power loss in energy-harvesting and coin-cell applications. |
| Thermal Shutdown | Activates at ~160°C junction; auto-recovery at ~150°C - prevents permanent damage during sustained overload or poor heatsinking. |
| Current Limit Protection | 100–135 mA peak limit - clamps output during short-circuit or excessive load, enabling safe fault recovery. |
| High PSRR | 63 dB at 1 kHz - suppresses ripple from noisy DC-DC converters or shared power rails feeding mixed-signal circuits. |
| Reverse Current Blocking | Inherent IN→OUT diode conducts only if VOUT > VIN + ~0.4 V - prevents backfeed in multi-rail systems but limits reverse-current tolerance to 150 mA. |
Applications
| Portable Medical Sensors | Industrial Wireless Transmitters |
|---|---|
|
Use Scenario: Wearable ECG patch with ultra-low-power MCU and analog signal chain powered by CR2032 coin cell. IC Role / Device Role: Primary 3.2 V supply regulator enabling precise analog front-end biasing and digital core operation. Use Value: Sub-1 µA shutdown current extends battery life beyond 12 months; 170 mV dropout allows full utilization of declining cell voltage. |
Use Scenario: Battery-operated LoRaWAN node deployed in remote factory environments with wide ambient temperature swings. IC Role / Device Role: Local LDO for RF transceiver and microcontroller, isolated from noisy switching supply rails. Use Value: –40°C to 125°C operation ensures reliability in uncontrolled enclosures; 63 dB PSRR reduces RF interference coupling into sensitive RX paths. |
| Automotive Cabin Controllers | Handheld Test Equipment |
|
Use Scenario: HVAC control module powered from vehicle battery (9–16 V) with transient immunity requirements. IC Role / Device Role: Secondary regulator supplying 3.2 V to touch controller and display interface ICs. Use Value: 1.5 kV HBM ESD rating withstands cable-discharge events; thermal shutdown protects against enclosure overheating during summer operation. |
Use Scenario: Portable multimeter with dual power sources (rechargeable Li-ion + USB bus power) requiring seamless rail switching. IC Role / Device Role: Always-on LDO for real-time clock and memory retention during main power cycling. Use Value: NC pin simplifies layout isolation; fixed 3.2 V output matches SRAM VCC spec while avoiding external resistor network errors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-power LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS76133DBVT | Fixed 3.3 V output; 10 mV higher nominal voltage; identical dropout, quiescent current, and package. | Used where 3.3 V logic compatibility is mandatory (e.g., SPI peripherals with strict VIH thresholds). | Select when system-level voltage margin allows 3.3 V instead of 3.2 V - no PCB changes required. |
| MCP1700T-3202E/TT | 3.2 V output, 250 mA rating, 6 µA quiescent current (active), SOT-23-5 - higher IQ but wider input range (2.3–6.0 V). | Better suited for single-cell LiFePO₄ (max 3.6 V) or 3.3 V rail generation from low-VIN sources. | Choose for lower-input-voltage systems (<3.58 V); avoid if ultra-low shutdown current (<1 µA) is critical. |
Compared with TPS76132DBVT, TPS76133DBVT offers identical form-factor and protection features but targets 3.3 V logic domains, whereas MCP1700T-3202E/TT trades ultra-low shutdown current for broader input flexibility and higher output capability - making it suitable for different voltage-source constraints.
Availability
TPS76132DBVT is available at Aetrix Electronics and suitable for portable medical sensors, industrial wireless transmitters, automotive cabin controllers, and handheld test equipment requiring stable component supply with long-term lifecycle support.
Supply support for TPS76132DBVT 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 connectivity technologies, with decades of expertise in power management IC design and manufacturing.
The TPS761xx family was engineered for ultra-low-power, space-constrained battery-operated applications - emphasizing minimal quiescent current, robust thermal behavior, and reliable operation across extended temperature ranges.
FAQ
What is the minimum input voltage required for stable operation of the TPS76132DBVT?
The TPS76132DBVT requires a minimum input voltage of 3.58 V under recommended operating conditions to maintain 3.2 V output at full 100 mA load. This value derives from the specified dropout voltage (170 mV typ.) plus output tolerance, ensuring regulation across temperature and line variations. Below this threshold, output voltage drops proportionally.
Does the TPS76132DBVT require an external capacitor on the EN pin?
No, the TPS76132DBVT does not require an external capacitor on the EN pin. The enable input is CMOS-compatible with TTL logic levels: it draws less than 1 µA when pulled low and 5 µA when pulled high. A simple pull-up resistor to IN or a clean logic signal suffices - adding capacitance may slow turn-on/turn-off timing unnecessarily.
Can the NC pin (Pin 4) of the TPS76132DBVT be connected to ground or left floating?
Pin 4 of the TPS76132DBVT is explicitly designated "No internal connection" and must remain unconnected - neither grounded nor tied to any net. Connecting it risks internal leakage paths or parasitic coupling. PCB layout must exclude copper, solder mask openings, or vias under this pin per TI's DBV package guidelines.
What is the maximum allowable output capacitance for the TPS76132DBVT?
The TPS76132DBVT datasheet specifies a minimum output capacitance of 4.7 µF but does not define a hard upper limit. However, large capacitors (>100 µF) may increase inrush current during startup and delay regulation settling. For most applications, 4.7–22 µF tantalum or ceramic capacitors with ESR between 0.1 Ω and 10 Ω ensure optimal transient response and stability.
Is the TPS76132DBVT pin-compatible with other devices in the TPS761xx family?
Yes, all TPS761xx variants - including TPS76130DBVT, TPS76132DBVT, TPS76133DBVT, TPS76138DBVT, and TPS76150DBVT - share identical SOT-23-5 (DBV) packaging and pinout. This allows direct substitution within the same footprint when output voltage requirements change, provided input voltage and load conditions remain within each variant's specification limits.
TPS76132DBVT 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):
- 16V
- Voltage - Output (Min/Fixed):
- 3.2V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.28V @ 100mA
- Current - Output:
- 100mA
- Current - Quiescent (Iq):
- 115 µA
- Current - Supply (Max):
- 4 mA
- PSRR:
- 63dB (1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature, Reverse Polarity, Transient Voltage
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
TPS76132DBVT FAQ
1.How can I place an order for TPS76132DBVT through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS76132DBVT 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 TPS76132DBVT reliable?
The price and inventory of TPS76132DBVT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS76132DBVT is usually 5 days.
3.What payment methods are accepted for TPS76132DBVT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS76132DBVT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS76132DBVT?
TPS76132DBVT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS76132DBVT 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 TPS76132DBVT?
For technical support, including TPS76132DBVT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS76132DBVT requirements.
6.How does Aetrix verify that TPS76132DBVT is sourced from the original manufacturer or authorized distributors?
All TPS76132DBVT 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 TPS76132DBVT meets industry standards.
7.What is the process for return or replacement of TPS76132DBVT?
All TPS76132DBVT units undergo pre-shipment inspection (PSI). If there is an issue with TPS76132DBVT, 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 TPS76132DBVT part is unused and in its original packaging.
Return procedure for TPS76132DBVT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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