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Texas Instruments TLV7031QDBVRQ1
- Part No.:
- TLV7031QDBVRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TLV7031QDBVRQ1.pdf
- Description:
- IC COMPARATOR 1 GEN PUR SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:16,531
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Product details
Overview
TLV7031QDBVRQ1 from Texas Instruments is a single-channel, AEC-Q100 Grade 1 automotive-compliant comparator with push-pull output, rail-to-rail input stage, 315 nA quiescent current, 3 µs propagation delay, and 6.5 mV internal hysteresis - used for precision voltage monitoring in telematics eCall and instrument cluster fault-detection circuits.
For engineers reviewing the TLV7031QDBVRQ1 datasheet, TLV7031QDBVRQ1 pinout, TLV7031QDBVRQ1 application, or TLV7031QDBVRQ1 equivalent, key selection criteria include nanopower operation at 1.6–6.5 V supply, guaranteed startup behavior via internal power-on-reset, no phase reversal under overdriven inputs, and compatibility with harsh-automotive environments requiring –40°C to 125°C ambient operation.
Technical Context
The TLV7031QDBVRQ1 implements a rail-to-rail input stage capable of accepting signals up to 100 mV beyond VCC and down to VEE, with internal hysteresis (6.5 mV typ.) and a dedicated power-on-reset circuit that forces output low during supply ramp-up below 1.6 V. Its push-pull output drives both high and low without external pull-up.
It operates across 1.6 V to 6.5 V supply range, delivers 3 mA sink/source capability at 5 V, and maintains sub-1 pA input bias current and ±8 mV max input offset voltage over full temperature range - enabling stable threshold detection in low-voltage, noise-prone automotive subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.6 V to 6.5 V - supports direct interface with 1.8 V, 3.3 V, and 5 V microcontrollers and sensors without level-shifting. |
| Quiescent Current | 315 nA - enables multi-year battery life in always-on automotive monitoring circuits like eCall wake-up detection. |
| Propagation Delay | 3 µs - provides fast response to overvoltage/undervoltage faults while maintaining nanowatt efficiency. |
| Input Offset Voltage | ±8 mV max - ensures accurate trip-point stability across –40°C to 125°C ambient, critical for reliable battery voltage supervision. |
| Internal Hysteresis | 6.5 mV typ. - suppresses chatter on slow-moving or noisy input signals (e.g., thermistor-based temperature sensing). |
| Output Type | Push-pull - eliminates need for external pull-up resistor, simplifying PCB layout and reducing BOM count in space-constrained head units. |
| Common-Mode Range | VEE to VCC + 0.1 V - allows direct connection to sensors operating beyond supply rails, such as battery-pack voltage dividers. |
Pinout & Package
TLV7031QDBVRQ1 is packaged in a 5-pin SOT-23 (DBV) package with 2.90 mm × 1.60 mm body size and standard lead pitch. Pin functions are validated per TI SNOSDA5D datasheet Figure 5-1 and Table 5-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: OUT | Output | Push-pull digital output capable of sourcing/sinking ≥3 mA - directly drives MCU interrupt pins or LED indicators without external components. |
| 2: VEE | Power (Ground) | Negative supply terminal; tied to system ground in single-supply configurations - defines lower reference for common-mode input range. |
| 3: IN+ | Input | Noninverting input with rail-to-rail voltage tolerance - accepts signals from 0 V to VCC + 0.1 V, enabling direct sensor interfacing. |
| 4: IN− | Input | Inverting input with identical rail-to-rail tolerance - forms differential pair with IN+; no phase reversal occurs even if either input exceeds supply rails. |
| 5: VCC | Power (Supply) | Positive supply input; powers internal biasing, POR circuit, and output stage - must exceed 1.6 V for >200 µs before valid output behavior begins. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for –40°C to 125°C ambient operation with HBM ±2 kV and CDM ±1 kV ESD robustness - meets automotive reliability requirements without derating. |
| Internal Power-On-Reset (POR) | Guarantees known low-state output during power ramp-up - prevents spurious MCU interrupts or relay actuation during cold cranking or ignition cycles. |
| No phase reversal on overdriven inputs | Enables safe use with unregulated or floating sensor outputs (e.g., battery voltage dividers), eliminating need for external clamping diodes. |
| Rail-to-rail input stage | Supports input voltages from VEE to VCC + 0.1 V - allows direct monitoring of supply rails, battery terminals, or sensor outputs without attenuation or level-shifting. |
| Functional Safety documentation support | TI provides FIT rate reports and safety analysis documentation (for TLV70x1-Q1 family) - accelerates ISO 26262 ASIL-B system-level certification efforts. |
Applications
| Telematics eCall System | Automotive Instrument Cluster |
|---|---|
Use Scenario: Detects vehicle crash event via accelerometer-triggered voltage threshold crossing and initiates emergency call sequence. IC Role / Device Role / Timing Role: Precision voltage comparator monitoring buffered accelerometer output or backup power rail status. Use Value: 315 nA quiescent current extends battery standby life; 3 µs response ensures timely eCall activation within regulatory timing windows. | Use Scenario: Monitors 12 V battery voltage to trigger low-battery warning LEDs or backlight dimming when voltage drops below 11.5 V. IC Role / Device Role / Timing Role: Rail-to-rail input comparator comparing divided battery voltage against internal reference. Use Value: ±8 mV max input offset ensures consistent trip point across temperature; push-pull output directly drives indicator logic without pull-up resistor. |
| Audio Amplifier Protection | On-Board Charger (OBC) Monitoring |
Use Scenario: Detects DC offset or thermal shutdown signal in Class-D amplifier output stage to disable driver before speaker damage occurs. IC Role / Device Role / Timing Role: Fast-response comparator comparing amplifier output DC component against safe threshold. Use Value: 6.5 mV internal hysteresis prevents false triggering from switching noise; 1.6 V minimum supply enables operation from auxiliary LDO rails. | Use Scenario: Supervises isolated DC-link voltage in OBC pre-charge circuit to confirm safe voltage ramp before main contactor closure. IC Role / Device Role / Timing Role: High-accuracy comparator verifying pre-charge completion by comparing divided DC-link voltage to reference. Use Value: No phase reversal allows direct connection to high-side divider; –40°C to 125°C rating ensures reliability in under-hood OBC enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV7031DBVR | Non-automotive version; lacks AEC-Q100 qualification, Grade 1 temp range, and automotive-specific ESD ratings. | Not suitable for production automotive systems; acceptable for prototyping or non-safety-critical industrial use. | Select TLV7031DBVR only for cost-sensitive non-automotive designs where functional equivalence suffices without qualification requirements. |
| LMV7219QMF/NOPB | Higher quiescent current (1.1 µA), faster propagation (130 ns), open-drain output, no internal hysteresis - requires external hysteresis network. | Better suited for high-speed window comparators; less optimal for ultra-low-power battery monitoring due to 3.5× higher ICC. | Choose LMV7219QMF/NOPB when speed outweighs power budget, and external hysteresis design effort is acceptable. |
Compared with TLV7031QDBVRQ1, TLV7031DBVR omits automotive qualification but matches electrical specs, while LMV7219QMF/NOPB trades nanopower for speed and requires external hysteresis - making TLV7031QDBVRQ1 optimal for AEC-Q100-compliant, battery-conscious fault-monitoring applications.
Availability
TLV7031QDBVRQ1 is available at Aetrix Electronics and suitable for telematics eCall, instrument cluster, and on-board charger applications requiring stable component supply, long-term automotive-grade availability, and traceable sourcing.
Supply support for TLV7031QDBVRQ1 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 delivering analog and embedded processing solutions, with leadership in automotive, industrial, and power management ICs.
The TLV703x-Q1 product line is designed specifically for automotive voltage monitoring and fault-detection systems requiring nanopower consumption, extended temperature operation, and functional safety documentation support.
FAQ
What is the maximum supply voltage rating for TLV7031QDBVRQ1?
The absolute maximum supply voltage (VCC – VEE) for TLV7031QDBVRQ1 is 7 V. Operation above 6.5 V violates recommended conditions and risks parametric degradation or latch-up. The device is rated for continuous operation from 1.6 V to 6.5 V, supporting 1.8 V, 3.3 V, and 5 V system rails without regulation.
Does TLV7031QDBVRQ1 require external hysteresis for stable operation?
No, TLV7031QDBVRQ1 includes 6.5 mV typical internal hysteresis, eliminating the need for external resistors. This built-in hysteresis stabilizes switching against noise on slow-moving inputs like thermistor or battery voltage signals - confirmed in TI SNOSDA5D datasheet Section 6.7 and Figure 6-9.
How does the power-on-reset (POR) function behave in TLV7031QDBVRQ1?
During power ramp-up, TLV7031QDBVRQ1's internal POR holds the output low (at VEE) until VCC exceeds 1.6 V for at least 200 µs. This ensures a defined startup state, preventing false triggers in safety-critical automotive circuits like eCall activation or battery disconnect control.
Can TLV7031QDBVRQ1 inputs safely operate above VCC?
Yes - TLV7031QDBVRQ1 features rail-to-rail inputs rated from VEE to VCC + 0.1 V. Its input stage tolerates signals up to 100 mV beyond VCC without damage or phase reversal, enabling direct connection to unregulated sources like battery dividers or sensor outputs without clamping diodes.
Is TLV7031QDBVRQ1 pin-compatible with other members of the TLV703x-Q1 family?
TLV7031QDBVRQ1 shares the same 5-pin SOT-23 (DBV) footprint and pinout with TLV7041QDBVRQ1, but differs in output architecture (push-pull vs. open-drain). Swapping requires circuit review: TLV7031QDBVRQ1 drives high actively, while TLV7041QDBVRQ1 requires an external pull-up for high-state logic.
TLV7031QDBVRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- SC-74A, SOT-753
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 1
- Output Type:
- Push-Pull, Rail-to-Rail
- Voltage - Supply, Single/Dual (±):
- 1.6V ~ 6.5V
- :
- 8mV @ 5V
- Voltage - Input Offset (Max):
- 2pA @ 5V
- Current - Input Bias (Max):
- 35mA @ 5V
- Current - Output (Typ):
- 900nA
- Current - Quiescent (Max):
- 73dB CMRR, 77dB PSRR
- CMRR, PSRR (Typ):
- 3µs
- Propagation Delay (Max):
- 17mV
- Hysteresis:
- -40°C ~ 125°C
- Operating Temperature:
- Automotive
- Grade:
- AEC-Q100
- Qualification:
- Surface Mount
- :
- SOT-23-5
TLV7031QDBVRQ1 FAQ
1.How can I place an order for TLV7031QDBVRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV7031QDBVRQ1 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 TLV7031QDBVRQ1 reliable?
The price and inventory of TLV7031QDBVRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV7031QDBVRQ1 is usually 5 days.
3.What payment methods are accepted for TLV7031QDBVRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV7031QDBVRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV7031QDBVRQ1?
TLV7031QDBVRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV7031QDBVRQ1 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 TLV7031QDBVRQ1?
For technical support, including TLV7031QDBVRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV7031QDBVRQ1 requirements.
6.How does Aetrix verify that TLV7031QDBVRQ1 is sourced from the original manufacturer or authorized distributors?
All TLV7031QDBVRQ1 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 TLV7031QDBVRQ1 meets industry standards.
7.What is the process for return or replacement of TLV7031QDBVRQ1?
All TLV7031QDBVRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TLV7031QDBVRQ1, 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 TLV7031QDBVRQ1 part is unused and in its original packaging.
Return procedure for TLV7031QDBVRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLV7031QDBVRQ1 Tags
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LM2903DR
Texas Instruments
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LM339DR
Texas Instruments
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LM339PWR
Texas Instruments
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LM393DT
STMicroelectronics
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LM2901PWR
Texas Instruments
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LM2903DT
STMicroelectronics
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LM393DR
Texas Instruments
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LM239DR
Texas Instruments
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LM339APWR
Texas Instruments
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LM2903P
Texas Instruments
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LM393ADR
Texas Instruments
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NCX2200GMAZ
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