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Texas Instruments TLV73328PQDRVRQ1
- Part No.:
- TLV73328PQDRVRQ1
- Manufacturer:
- Texas Instruments
- Package:
- 6-WDFN Exposed Pad
- Datasheet:
-
TLV73328PQDRVRQ1.pdf
- Description:
- IC REG LINEAR 2.8V 300MA 6WSON
- Quantity:
- Payment:
- Shipping:
Inventory:2,404
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Product details
Overview
TLV73328PQDRVRQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive-qualified, capacitor-free 300-mA low-dropout linear regulator delivering 2.8 V output with 125 mV dropout at full load, ±1.4% output accuracy, and 34 µA quiescent current. It operates from 1.4 V to 5.5 V input and serves as a primary power rail for camera modules and infotainment domain controllers.
For engineers reviewing the TLV73328PQDRVRQ1 datasheet, TLV73328PQDRVRQ1 pinout, TLV73328PQDRVRQ1 application, or TLV73328PQDRVRQ1 equivalent, key selection criteria include its capacitor-free stability, active output discharge, foldback current limiting, thermal shutdown at 160°C, and WSON-6 package compatibility with space-constrained automotive PCB layouts.
Technical Context
The TLV73328PQDRVRQ1 uses a PMOS pass transistor architecture enabling ultra-low dropout (125 mV @ 300 mA, 3.3 VOUT) and inherent reverse-current blocking. Its capacitor-free control loop eliminates mandatory external output capacitance while maintaining stability across –40°C to +150°C junction temperature.
Functional modes include normal regulation, dropout operation (VIN < VOUT + VDO), and disabled state with active 120-Ω pulldown. Enable threshold is VEN(HI) = 0.9 V and VEN(LO) = 0.35 V, with shutdown current ≤1 µA at 25°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.8 V - eliminates external feedback network; supports I/O rails for image sensors and MCU cores. |
| Max Output Current | 300 mA - sufficient for dual-lane MIPI CSI-2 camera interfaces and audio DSPs without thermal derating in DRV package. |
| Dropout Voltage | 125 mV @ 300 mA, 3.3 VOUT - enables operation from 3.0 V input when regulating 2.8 V, critical for battery-sag scenarios. |
| Accuracy | ±1.4% over –40°C to +150°C - ensures reliable logic-level compliance for 2.8 V–tolerant peripherals across automotive temperature range. |
| Quiescent Current | 34 µA typical - minimizes standby power loss in always-on domains like rear-view camera wake-up circuits. |
| PSRR | 50 dB @ 1 kHz - suppresses switching noise from adjacent DC/DC converters feeding camera sensor analog blocks. |
| Enable Threshold | VEN(HI) = 0.9 V, VEN(LO) = 0.35 V - compatible with 1.8 V and 3.3 V GPIOs; no pullup required. |
Pinout & Package
TLV73328PQDRVRQ1 is packaged in a thermally enhanced 2.0-mm × 2.0-mm WSON-6 (DRV) package with exposed thermal pad electrically tied to GND. The 6-pin top-side layout supports high-density routing and efficient heat dissipation via PCB ground plane connection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Regulated output | Delivers stable 2.8 V; supports optional 1-µF ceramic capacitor for improved transient response; connects to load directly. |
| 2 (NC) | No internal connection | Unbonded die pad; must be left floating or connected to GND per layout best practice-no electrical function. |
| 3 (GND) | Ground reference | Primary return path; thermal pad is internally connected to this pin-requires solid GND plane connection for thermal performance. |
| 4 (EN) | Enable control | Active-high digital input; drives ON above 0.9 V, OFF below 0.35 V; no internal pullup/pulldown-external control required. |
| 5 (NC) | No internal connection | Unbonded die pad; same as Pin 2-no routing or connection needed. |
| 6 (IN) | Input supply | Accepts 1.4 V–5.5 V; recommends 0.1–1 µF ceramic capacitor to IN–GND for PSRR and transient immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Capacitor-free operation | Stable without mandatory output capacitor-reduces BOM count, board area, and inrush current at startup in camera power sequencing. |
| Active output discharge | 120-Ω pulldown resistor engages on disable-ensures rapid, controlled discharge of 2.8 V rail to prevent latch-up in downstream logic. |
| Foldback current limit | Reduces output current during short-circuit or overload-limits power dissipation and prevents thermal runaway in fault conditions. |
| AEC-Q100 Grade 1 | Qualified for –40°C to +125°C ambient operation-meets automotive infotainment and ADAS subsystem reliability requirements. |
| Thermal shutdown | Triggers at ~160°C junction temperature and resets at ~140°C-provides self-protecting behavior under sustained overload or poor heatsinking. |
Applications
| Camera Power Management | Infotainment Core Rail |
|---|---|
Use Scenario: Powers CMOS image sensor and ISP in rear-view or surround-view camera modules with strict inrush and EMI constraints. IC Role / Device Role / Timing Role: Primary 2.8 V analog/digital supply; regulates from 3.3 V or 5 V pre-regulator; provides fast line/load transient response without output cap. Use Value: Eliminates 10–22 µF output capacitor, reducing solution size by >30% and removing inrush current spikes that disrupt upstream DC/DC converters. | Use Scenario: Supplies 2.8 V core voltage to audio DSPs and touch controller SoCs in head-unit infotainment systems. IC Role / Device Role / Timing Role: Low-noise, high-PSRR post-regulator; enables clean power for ADCs and PLLs; EN pin synchronized to system wake/sleep states. Use Value: 50 dB PSRR at 1 kHz suppresses ripple from buck converters, improving SNR in audio playback and reducing jitter in clock recovery circuits. |
| Navigation System Memory Interface | Automotive Telematics Modem Rail |
Use Scenario: Provides regulated 2.8 V to LPDDR2/LPDDR3 I/O buffers in navigation head units requiring low standby power. IC Role / Device Role / Timing Role: Always-on auxiliary rail; maintains memory interface voltage during GPS cold start; supports fast enable/disable via EN pin. Use Value: 34 µA IQ enables multi-day battery backup for RTC and GPS assist data retention without compromising runtime. | Use Scenario: Powers LTE/Wi-Fi modem baseband ICs in telematics control units where thermal margin and footprint are constrained. IC Role / Device Role / Timing Role: Secondary LDO for RF front-end bias; handles burst-mode current demands up to 300 mA during data transmission. Use Value: Foldback current limit prevents thermal shutdown during 100-ms TX bursts, ensuring uninterrupted cellular handshakes and OTA updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV73328PDBVRQ1 | SOT-23-5 package (2.9 mm × 1.6 mm); 5-pin; no Pin 2/5 NC; lower thermal resistance RθJA = 198.3°C/W vs 92.5°C/W. | Less suitable for high-power density layouts; limited copper area for thermal relief; higher junction temp rise at 300 mA. | Select TLV73328PDBVRQ1 only when SOT-23 footprint reuse is required and thermal margin ≥25°C is available. |
| TPS7B8128QDGNRQ1 | Higher IQ (65 µA), lower dropout (90 mV @ 300 mA), integrated thermal foldback, but requires minimum 1 µF output capacitor. | Not capacitor-free; adds BOM cost and board area; better for noise-sensitive analog rails where capacitor is already present. | Choose TPS7B8128QDGNRQ1 when lowest possible dropout is critical and output capacitance is acceptable in the design. |
Compared with TLV73328PDBVRQ1, the TLV73328PQDRVRQ1 offers superior thermal performance and smaller footprint; compared with TPS7B8128QDGNRQ1, it eliminates mandatory output capacitance-enabling simpler, smaller, and lower-inrush power solutions for automotive vision systems.
Availability
TLV73328PQDRVRQ1 is available at Aetrix Electronics and suitable for automotive camera modules, infotainment head units, and navigation systems requiring stable component supply with AEC-Q100 qualification and long-term production continuity.
Supply support for TLV73328PQDRVRQ1 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 automotive-grade power management ICs.
The TLV733P-Q1 product line delivers ultra-small, capacitor-free LDOs for space- and power-constrained automotive subsystems-including camera, radar, and infotainment domains-where reliability across –40°C to +125°C ambient is mandatory.
FAQ
What is the maximum input voltage rating for TLV73328PQDRVRQ1?
The absolute maximum input voltage for TLV73328PQDRVRQ1 is 6.0 V, but the recommended operating range is 1.4 V to 5.5 V. Exceeding 5.5 V may trigger undervoltage lockout or damage the device. Operation within the recommended range ensures specified performance including 125 mV dropout at 300 mA and ±1.4% output accuracy across temperature.
Does TLV73328PQDRVRQ1 require an output capacitor to remain stable?
No, TLV73328PQDRVRQ1 is designed for capacitor-free operation and remains stable without any output capacitor. Its internal control loop guarantees stability across –40°C to +150°C junction temperature. An optional 1-µF ceramic capacitor improves load transient response but is not required for basic regulation-enabling smaller footprints and eliminating inrush current in TLV73328PQDRVRQ1 designs.
How does the enable pin (EN) function on TLV73328PQDRVRQ1?
The EN pin on TLV73328PQDRVRQ1 is active-high with VEN(HI) = 0.9 V (min) and VEN(LO) = 0.35 V (max). Driving EN above 0.9 V enables regulation; pulling EN below 0.35 V disables the device and activates the 120-Ω active pulldown. There is no internal pullup or pulldown-external logic or GPIO must drive EN. This behavior is fully characterized in TLV73328PQDRVRQ1's Electrical Characteristics table.
What protection features are integrated into TLV73328PQDRVRQ1?
TLV73328PQDRVRQ1 integrates foldback current limiting, thermal shutdown (~160°C trip, ~140°C reset), undervoltage lockout (UVLO rising threshold 1.4 V), and active output discharge. These protections operate independently and concurrently-e.g., foldback limits current during short-circuit, while thermal shutdown disables the device if junction temperature exceeds safe limits. All are documented in the TLV73328PQDRVRQ1 datasheet Sections 6.5 and 7.3.
Is TLV73328PQDRVRQ1 qualified for automotive use?
Yes, TLV73328PQDRVRQ1 is AEC-Q100 Grade 1 qualified for automotive applications, with guaranteed operation from –40°C to +125°C ambient temperature and –40°C to +150°C junction temperature. It meets stringent automotive reliability, ESD (±2000 V HBM), and lifetime requirements-making it suitable for camera modules, infotainment, and telematics systems where TLV73328PQDRVRQ1 is deployed in production vehicles.
TLV73328PQDRVRQ1 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):
- 2.8V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.29V @ 300mA
- Current - Output:
- 300mA
- Current - Quiescent (Iq):
- 62 µA
- Current - Supply (Max):
- -
- PSRR:
- 68dB ~ 28dB (100Hz ~ 100kHz)
- Control Features:
- Enable
- Protection Features:
- Current Limit, Thermal Shutdown, UVLO
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-WSON (2x2)
TLV73328PQDRVRQ1 FAQ
1.How can I place an order for TLV73328PQDRVRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV73328PQDRVRQ1 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 TLV73328PQDRVRQ1 reliable?
The price and inventory of TLV73328PQDRVRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV73328PQDRVRQ1 is usually 5 days.
3.What payment methods are accepted for TLV73328PQDRVRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV73328PQDRVRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV73328PQDRVRQ1?
TLV73328PQDRVRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV73328PQDRVRQ1 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 TLV73328PQDRVRQ1?
For technical support, including TLV73328PQDRVRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV73328PQDRVRQ1 requirements.
6.How does Aetrix verify that TLV73328PQDRVRQ1 is sourced from the original manufacturer or authorized distributors?
All TLV73328PQDRVRQ1 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 TLV73328PQDRVRQ1 meets industry standards.
7.What is the process for return or replacement of TLV73328PQDRVRQ1?
All TLV73328PQDRVRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TLV73328PQDRVRQ1, 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 TLV73328PQDRVRQ1 part is unused and in its original packaging.
Return procedure for TLV73328PQDRVRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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