My Inquiry
My Account
Texas Instruments TPS78227QDRVRQ1
- Part No.:
- TPS78227QDRVRQ1
- Manufacturer:
- Texas Instruments
- Package:
- 6-WDFN Exposed Pad
- Datasheet:
-
TPS78227QDRVRQ1.pdf
- Description:
- IC REG LINEAR 2.7V 150MA 6WSON
- Quantity:
- Payment:
- Shipping:
Inventory:3,276
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TPS78227QDRVRQ1 from Texas Instruments is an AEC-Q100 qualified automotive-grade ultra-low-quiescent-current LDO regulator delivering 2.7 V fixed output at up to 150 mA, with 1 μA quiescent current, 130 mV dropout at 25°C/150 mA, and ±4% output accuracy over load/line/temperature - designed for battery-powered microcontroller rails in vehicle body electronics.
For engineers reviewing the TPS78227QDRVRQ1 datasheet, TPS78227QDRVRQ1 pinout, TPS78227QDRVRQ1 application, or TPS78227QDRVRQ1 equivalent, key selection considerations include its 2-mm × 2-mm SON-6 package with thermal pad, CMOS-compatible enable pin (1.2 V turn-on), stability with ≥1-μF ceramic output capacitor, and operation across –40°C to +125°C junction temperature.
Technical Context
The TPS78227QDRVRQ1 uses a PMOS pass transistor architecture enabling ultra-low dropout and near-zero-load regulation without external bias networks. Its internal EEPROM-programmed 2.7 V reference and active pulldown circuit ensure precise output voltage and controlled discharge during shutdown.
Thermal shutdown activates at ~160°C and resets at ~140°C; overcurrent protection limits output to 150–400 mA depending on conditions. The device achieves 40 dB PSRR at 10 Hz and maintains 86 μVRMS output noise with 1-μF ceramic capacitor - critical for low-noise analog and MCU power domains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.7 V ±4% over full load/line/temperature range - eliminates external feedback network and supports direct connection to MSP430 I/O rails. |
| Quiescent Current | 1 μA typical - enables multi-year battery life in always-on automotive modules such as door controllers and seat sensors. |
| Dropout Voltage | 130 mV at 150 mA and 25°C - allows operation down to VIN = 2.83 V while sustaining full load, extending usable battery voltage range. |
| Output Accuracy | ±4% over –40°C to +125°C, 5 mA–150 mA load, and VIN ≥ VOUT + 0.5 V - ensures reliable logic-level compliance across automotive thermal extremes. |
| Stability Capacitor | Stable with ≥1.0 μF X5R/X7R ceramic capacitor - reduces BOM count and PCB area versus tantalum or aluminum electrolytic solutions. |
| Enable Threshold | EN active high: turn-on at ≥1.2 V, shutdown at ≤0.4 V - compatible with 1.8 V/3.3 V GPIO without level-shifting. |
| Operating Temperature | –40°C to +125°C junction - qualified per AEC-Q100 Grade 1 for under-hood and cabin-mounted ECUs. |
Pinout & Package
TPS78227QDRVRQ1 is housed in a 2-mm × 2-mm SON-6 package (DRV) with exposed thermal pad. All ground pins must be connected to PCB ground plane; thermal pad grounding is strongly recommended for thermal performance and EMI control.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OUT | Regulated output | Delivers stable 2.7 V; requires ≥1-μF ceramic capacitor to GND for stability and transient response. |
| 2 - NC | No connection | Unbonded die pad; must remain unconnected and unshorted on PCB. |
| 3 - GND | Power ground | Primary ground return path; connects internally to thermal pad and must tie directly to low-impedance ground plane. |
| 4 - EN | Enable control input | CMOS-compatible logic input; drives regulator ON/OFF; internal pull-down ensures default-off state if left floating. |
| 5 - GND | Secondary ground | Additional ground terminal - must be tied to same ground net as Pin 3 to minimize ground loop impedance. |
| 6 - IN | Input supply | Accepts 2.2 V to 5.5 V input; benefits from local 1-μF ceramic decoupling to reduce noise coupling into LDO control loop. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low IQ (1 μA) | Enables >10-year battery runtime in always-on automotive modules like smart key receivers and occupancy sensors. |
| Active output pulldown | Discharges OUT to <5% VOUT during shutdown - prevents floating rail issues in multi-rail systems and simplifies power sequencing. |
| Factory-programmed fixed output | 2.7 V set via on-die EEPROM - eliminates external resistor divider, improves accuracy, and reduces layout sensitivity. |
| Thermal & current protection | Auto-recovering thermal shutdown (160°C trip / 140°C reset) and foldback current limit - protects against sustained overload without latch-up. |
| Low-noise operation | 86 μVRMS integrated output noise (10 Hz–100 kHz) - suitable for powering precision ADCs, RF transceivers, and low-power MCUs without additional filtering. |
Applications
| Automotive Body Control Module (BCM) | Tire Pressure Monitoring System (TPMS) |
|---|---|
Use Scenario: Powering microcontroller, CAN transceiver, and sensor interface in centralized door module with 12 V battery input. IC Role / Device Role: Primary 2.7 V LDO for MSP430-based control core, providing regulated rail during cold-crank (VIN down to 6 V) and sleep modes. Use Value: 1 μA quiescent current minimizes parasitic drain; 130 mV dropout extends functional VIN range to 2.83 V, supporting deep battery discharge detection. |
Use Scenario: Supplying pressure sensor, RF transmitter, and wake-up timer in battery-operated wheel-mounted TPMS sensor. IC Role / Device Role: Main system regulator enabling 10+ year battery life via ultra-low IQ and programmable enable-controlled sleep cycling. Use Value: Stable 2.7 V output ensures consistent RF output power and ADC reference accuracy across temperature; 1-μF ceramic compatibility reduces component height for compact tire-mount design. |
| Smart Rearview Mirror Display | Occupancy Detection Sensor Node |
Use Scenario: Powering display driver IC and ambient light sensor in automotive rearview mirror with integrated LCD and camera feed. IC Role / Device Role: Secondary LDO generating clean 2.7 V rail isolated from noisy 5 V backlight supply and CAN bus transients. Use Value: 40 dB PSRR at 10 Hz suppresses low-frequency ripple from switching supplies; 86 μVRMS noise prevents visible display artifacts and sensor offset drift. |
Use Scenario: Regulating power for capacitive occupancy sensing ASIC and wake-on-motion controller in vehicle seat cushion. IC Role / Device Role: Always-on LDO maintaining sensor bias during vehicle sleep, activated only when motion triggers wake signal. Use Value: CMOS-compatible EN pin allows direct GPIO control from ultra-low-power wake controller; thermal pad grounding reduces thermal resistance to <65°C/W for reliable operation inside foam-filled seat. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS78227DRVR | Non-automotive grade (no AEC-Q100 qualification); identical electrical specs and pinout. | Not suitable for production automotive ECUs; acceptable for prototyping or non-safety-critical industrial use. | Select TPS78227DRVR only for cost-sensitive non-automotive designs where qualification is unnecessary. |
| TLV70227DBVR | Higher IQ (2.5 μA), lower max current (300 mA), no thermal shutdown, different pinout (SOT-23-5). | Lacks automotive qualification and active pulldown; requires PCB redesign due to 5-pin vs. 6-pin layout. | Choose TLV70227DBVR only if higher output current and smaller footprint outweigh need for shutdown discharge and AEC-Q100 compliance. |
Compared with TPS78227QDRVRQ1, TPS78227DRVR offers identical performance without automotive qualification, while TLV70227DBVR trades qualification and pulldown capability for higher current and SOT-23 convenience - neither is pin-compatible, requiring layout changes.
Availability
TPS78227QDRVRQ1 is available at Aetrix Electronics and suitable for automotive body electronics, battery-powered telematics, and low-power sensor nodes requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for TPS78227QDRVRQ1 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 automotive electronics, with decades of LDO design expertise and broad automotive qualification infrastructure.
The TPS782xx family was engineered specifically for ultra-low-power automotive subsystems - emphasizing sub-μA quiescent current, AEC-Q100 Grade 1 reliability, and miniaturized packaging for space-constrained ECU modules.
FAQ
What is the maximum input voltage rating for the TPS78227QDRVRQ1?
The TPS78227QDRVRQ1 has an absolute maximum input voltage of +6.0 V. Operation above this level risks permanent damage. For reliable continuous operation, the recommended input range is 2.2 V to 5.5 V - ensuring proper regulation, dropout margin, and thermal safety across automotive battery profiles including cold-crank and load-dump transients.
Does the TPS78227QDRVRQ1 require an input capacitor?
The TPS78227QDRVRQ1 does not require an input capacitor for stability, but TI recommends a 0.1–1.0 μF low-ESR ceramic capacitor placed close to the IN pin. This improves transient response, reduces noise coupling from upstream sources, and enhances PSRR - especially critical in automotive environments with high-impedance battery feeds and switching converter interference.
How does the thermal pad on the TPS78227QDRVRQ1 package function?
The thermal pad on the TPS78227QDRVRQ1's SON-6 package serves as the primary heat conduction path from the die to the PCB. TI recommends soldering it directly to a solid copper ground plane with multiple thermal vias. Proper thermal pad connection reduces θJA from 65°C/W to ~35°C/W, enabling full 150 mA output at +85°C ambient without thermal shutdown.
Can the TPS78227QDRVRQ1 be used without connecting the EN pin?
Yes - the TPS78227QDRVRQ1 can operate with EN tied directly to IN, enabling the regulator permanently. However, doing so disables shutdown capability and forfeits the 18 nA shutdown current benefit. If always-on operation is intended, this configuration is valid and commonly used in simple fixed-rail applications where dynamic power gating is unnecessary.
What is the minimum output capacitance required for stability with the TPS78227QDRVRQ1?
The TPS78227QDRVRQ1 requires a minimum output capacitance of 1.0 μF ceramic (X5R or X7R dielectric) for guaranteed stability across temperature and load. Capacitance below this value may cause oscillation or poor transient response. TI specifies maximum ESR < 1.0 Ω and recommends placing the capacitor within 3 mm of the OUT and adjacent GND pins to minimize loop inductance.
TPS78227QDRVRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-WDFN Exposed Pad
- 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):
- 2.7V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.25V @ 150mA
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 1.3 µA
- Current - Supply (Max):
- 8 µA
- PSRR:
- 40dB ~ 15dB (10Hz ~ 1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature, Reverse Polarity
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-WSON (2x2)
TPS78227QDRVRQ1 FAQ
1.How can I place an order for TPS78227QDRVRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS78227QDRVRQ1 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 TPS78227QDRVRQ1 reliable?
The price and inventory of TPS78227QDRVRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS78227QDRVRQ1 is usually 5 days.
3.What payment methods are accepted for TPS78227QDRVRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS78227QDRVRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS78227QDRVRQ1?
TPS78227QDRVRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS78227QDRVRQ1 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 TPS78227QDRVRQ1?
For technical support, including TPS78227QDRVRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS78227QDRVRQ1 requirements.
6.How does Aetrix verify that TPS78227QDRVRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS78227QDRVRQ1 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 TPS78227QDRVRQ1 meets industry standards.
7.What is the process for return or replacement of TPS78227QDRVRQ1?
All TPS78227QDRVRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS78227QDRVRQ1, 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 TPS78227QDRVRQ1 part is unused and in its original packaging.
Return procedure for TPS78227QDRVRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPS78227QDRVRQ1 Tags
-
MIC5504-1.8YM5-TR
Microchip Technology
-
MIC5504-3.3YM5-TR
Microchip Technology
-
MIC5365-3.0YC5-TR
Microchip Technology
-
MIC5365-1.8YC5-TR
Microchip Technology
-
MIC5365-2.5YC5-TR
Microchip Technology
-
MIC5365-3.3YC5-TR
Microchip Technology
-
MIC5365-3.3YD5-TR
Microchip Technology
-
MIC5317-3.3YM5-TR
Microchip Technology
-
TLV1117LV33DCYR
Texas Instruments
-
MIC5317-3.3YMT-TZ
Microchip Technology
-
MIC5528-3.3YMT-TR
Microchip Technology
-
TLV75801PDRVR
Texas Instruments
Tech Hub
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…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
