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Texas Instruments TLV70232QDSERQ1
- Part No.:
- TLV70232QDSERQ1
- Manufacturer:
- Texas Instruments
- Package:
- 6-WFDFN
- Datasheet:
-
TLV70232QDSERQ1.pdf
- Description:
- IC REG LINEAR 3.2V 300MA 6WSON
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
TLV70232QDSERQ1 from Texas Instruments is an automotive-grade, 300-mA, low-quiescent-current LDO linear regulator with fixed 3.2-V output, 2% accuracy over temperature, 35-µA IQ, and 220-mV dropout at 300 mA - designed for image sensor power and microprocessor rails in automotive camera modules.
For engineers reviewing the TLV70232QDSERQ1 datasheet, TLV70232QDSERQ1 pinout, TLV70232QDSERQ1 application, or TLV70232QDSERQ1 equivalent, this page delivers verified electrical specs, thermal behavior, enable-controlled shutdown, PSRR performance at 1 kHz, and WSON-6 package layout guidance for AEC-Q100 Grade 1 systems.
Technical Context
The TLV70232QDSERQ1 uses a PMOS pass transistor to achieve ultra-low dropout and maintain regulation down to (VIN – VOUT) = 220 mV at full 300-mA load. Its precision bandgap reference and error amplifier deliver ±2% output accuracy across –40°C to +125°C ambient.
It integrates active-high enable (EN), thermal shutdown (165°C trip), current limit (~500 mA typical), and undervoltage lockout (1.9 V). Stability is guaranteed with ≥0.1 µF effective ceramic output capacitance - enabling compact, bias-voltage-tolerant capacitor selection in space-constrained automotive PCBs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.2 V ±2% over –40°C to +125°C - ensures stable core voltage for image sensors and MCU I/O rails without external feedback. |
| Max Output Current | 300 mA continuous - supports dual-lane MIPI CSI-2 image sensors and low-power microcontrollers. |
| Quiescent Current | 35 µA typical - enables always-on operation in automotive body electronics with minimal battery drain. |
| Dropout Voltage | 220 mV at 300 mA, 3.2 V output - allows operation from 3.42 V input, maximizing battery runtime in 3.6-V Li-ion or 5-V supply-rail systems. |
| PSRR | 68 dB at 1 kHz - suppresses switching noise from adjacent DC/DC converters feeding camera module power domains. |
| Output Noise | 48 µVRMS (100 Hz–100 kHz) - prevents noise coupling into analog pixel outputs and ADC reference paths. |
| Enable Threshold | VEN(HI) = 0.9 V min, VEN(LO) = 0.4 V max - compatible with 1.8-V and 3.3-V logic-level microcontrollers for precise power sequencing. |
Pinout & Package
TLV70232QDSERQ1 is packaged in a 1.5-mm × 1.5-mm, 6-pin WSON (DSE) package with wettable flanks, optimized for automated optical inspection (AOI) and thermal performance in automotive PCBs. The exposed thermal pad must be soldered to a PCB copper pour for junction-to-board thermal resistance of 281.5°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN (Pin 1) | Input voltage supply | Accepts 2 V to 5.5 V; requires ≥0.1 µF ceramic decoupling close to pin to ensure stability and transient response. |
| GND (Pin 2) | Power ground reference | Single-point connection for IN and OUT return paths; ties to thermal pad for optimal heat dissipation. |
| EN (Pin 6) | Active-high enable control | Pulls high (>0.9 V) to activate regulator; pulls low (<0.4 V) to reduce ground current to ≤2.5 µA in shutdown mode. |
| OUT (Pin 3) | Regulated output | Delivers 3.2 V ±2%; requires ≥0.1 µF effective ceramic capacitance (X5R/X7R) on board for stability. |
| NC (Pins 4, 5) | No-connect terminals | Internally unconnected; TI recommends tying to GND to improve thermal conduction from die to PCB. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for –40°C to +125°C ambient operation - meets automotive infotainment and ADAS environmental requirements. |
| Stable with 0.1 µF effective COUT | Enables use of small-footprint, high-bias-voltage-rated capacitors (e.g., 0402 X5R 6.3-V) in tight-layout camera modules. |
| Thermal shutdown + current limit | 165°C trip / 145°C reset hysteresis and ~500 mA current limit protect against sustained overload or PCB trace faults. |
| Low-noise, high-PSRR architecture | 48 µVRMS noise + 68 dB PSRR at 1 kHz - preserves signal integrity in analog front-end and clock-sensitive imaging subsystems. |
| Ultra-low IQ in shutdown | ≤2.5 µA max shutdown current - supports long-term parking mode in automotive vision systems without battery depletion. |
Applications
| Automotive Camera Modules | Image Sensor Power |
|---|---|
Use Scenario: Front-facing ADAS camera with rolling-shutter CMOS sensor requiring clean, sequenced 3.2-V bias. IC Role / Device Role / Timing Role: Primary LDO supplying analog and digital core rails for sensor IC and ISP interface. Use Value: 2% accuracy and 48 µVRMS noise prevent pixel gain drift and fixed-pattern noise under thermal cycling. |
Use Scenario: Rear-view camera module powered from vehicle's 5-V bus with strict EMI limits. IC Role / Device Role / Timing Role: Post-regulator filtering switching noise from upstream buck converter before sensor analog supply. Use Value: 68 dB PSRR at 1 kHz attenuates 2-MHz DC/DC ripple harmonics that would otherwise modulate sensor output. |
| Microprocessor Rails | Automotive Infotainment Head Units |
Use Scenario: Low-power MCU (e.g., ARM Cortex-M7) in telematics control unit requiring always-on 3.2-V I/O rail. IC Role / Device Role / Timing Role: Standby power regulator enabling wake-on-LIN/CAN while maintaining <50-µA system quiescent budget. Use Value: 35-µA IQ and 2.5-µA shutdown current meet ISO 16750-2 Class D quiescent load requirements. |
Use Scenario: LCD display controller in head unit requiring stable 3.2-V logic supply during cold-crank (5.5-V transients). IC Role / Device Role / Timing Role: Secondary LDO after main 5-V domain, providing fault-isolated, thermally protected voltage for display timing ICs. Use Value: Thermal shutdown and UVLO (1.9 V) prevent latch-up during engine start when battery dips to 6 V. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV70233QDSERQ1 | Fixed 3.3-V output; identical package, pinout, and specs except VOUT and minor PSRR variation (67 dB @ 1 kHz). | Used where 3.3-V logic compatibility is required instead of 3.2-V sensor bias; no PCB change needed. | Select when system-level voltage margin allows 100-mV higher nominal output without violating sensor VDD max. |
| TPS7A0533PDQNR | 300-mA, 3.3-V LDO with 25-µA IQ, 170-mV dropout, but only AEC-Q100 Grade 2 (–40°C to +105°C) and SOT-23-5 package. | Limited to cabin-located infotainment modules; not qualified for under-hood or camera housing environments. | Choose only for non-critical interior applications where Grade 1 temperature range is unnecessary and SOT-23 layout is preferred. |
Compared with TLV70232QDSERQ1, TLV70233QDSERQ1 offers identical automotive qualification and drop-in replacement capability for 3.3-V designs, while TPS7A0533PDQNR trades Grade 1 reliability for lower IQ and smaller footprint - making it unsuitable for camera or radar modules but viable for dashboard displays.
Availability
TLV70232QDSERQ1 is available at Aetrix Electronics and suitable for automotive camera modules, image sensor power supplies, and microprocessor rails requiring stable component supply with AEC-Q100 compliance and long-term production support.
Supply support for TLV70232QDSERQ1 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 designing analog ICs, embedded processors, and connectivity solutions for automotive, industrial, and consumer markets.
The TLV702-Q1 product line delivers automotive-qualified, low-IQ LDOs optimized for power-sensitive imaging, sensing, and microcontroller applications where precision, noise immunity, and thermal robustness are critical.
FAQ
What is the maximum input voltage rating for TLV70232QDSERQ1?
The absolute maximum input voltage for TLV70232QDSERQ1 is 6.0 V, as specified in the Absolute Maximum Ratings table. Operation above this level risks permanent damage. For reliable continuous operation, TI recommends limiting VIN to ≤5.5 V per Recommended Operating Conditions - ensuring compatibility with standard 5-V automotive supply rails and transient-tolerant design margins.
Does TLV70232QDSERQ1 require an input capacitor?
TLV70232QDSERQ1 does not require an input capacitor for stability, but TI strongly recommends a 0.1-µF to 1-µF low-ESR ceramic capacitor between IN and GND. This improves transient response, reduces noise coupling from upstream sources, and mitigates voltage excursions caused by inductive input impedance - especially critical in automotive environments with high di/dt loads.
Can TLV70232QDSERQ1 be used with output capacitors smaller than 1 µF?
Yes - TLV70232QDSERQ1 is stable with an effective output capacitance of ≥0.1 µF, provided the capacitor maintains that value under operating bias voltage and temperature. This enables use of compact 0402 X5R/X7R ceramics rated at 6.3 V or higher, reducing PCB area versus traditional 1-µF solutions while preserving stability in automotive camera modules.
What is the thermal shutdown behavior of TLV70232QDSERQ1?
TLV70232QDSERQ1 activates thermal shutdown at approximately 165°C junction temperature and resets at ~145°C, providing 20°C hysteresis. During sustained overload, the device cycles between regulation and shutdown to limit average power dissipation. TI advises keeping TJ ≤125°C via proper PCB copper pour and thermal pad soldering to ensure long-term reliability in automotive applications.
Is TLV70232QDSERQ1 pin-compatible with other TLV702-Q1 variants?
Yes - all TLV702-Q1 devices in the WSON-6 (DSE) package, including TLV70232QDSERQ1, share identical pin configuration, terminal functions, and footprint. This allows direct substitution across output voltages (1.2 V to 4.8 V) without PCB redesign, supporting flexible BOM management and last-time-buy mitigation across automotive platforms.
TLV70232QDSERQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-WFDFN
- 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):
- 3.2V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.375V @ 300mA
- Current - Output:
- 300mA
- Current - Quiescent (Iq):
- 55 µA
- Current - Supply (Max):
- 370 µA
- PSRR:
- 68dB (1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-WSON (1.5x1.5)
TLV70232QDSERQ1 FAQ
1.How can I place an order for TLV70232QDSERQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV70232QDSERQ1 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 TLV70232QDSERQ1 reliable?
The price and inventory of TLV70232QDSERQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV70232QDSERQ1 is usually 5 days.
3.What payment methods are accepted for TLV70232QDSERQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV70232QDSERQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV70232QDSERQ1?
TLV70232QDSERQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV70232QDSERQ1 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 TLV70232QDSERQ1?
For technical support, including TLV70232QDSERQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV70232QDSERQ1 requirements.
6.How does Aetrix verify that TLV70232QDSERQ1 is sourced from the original manufacturer or authorized distributors?
All TLV70232QDSERQ1 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 TLV70232QDSERQ1 meets industry standards.
7.What is the process for return or replacement of TLV70232QDSERQ1?
All TLV70232QDSERQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TLV70232QDSERQ1, 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 TLV70232QDSERQ1 part is unused and in its original packaging.
Return procedure for TLV70232QDSERQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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