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Texas Instruments TLV7044PWR
- Part No.:
- TLV7044PWR
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TLV7044PWR.pdf
- Description:
- IC COMPARATOR 4 GEN PUR 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,276
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Product details
Overview
TLV7044PWR from Texas Instruments is a quad-channel, open-drain nanopower comparator with rail-to-rail input capability, 315nA quiescent current, 3µs propagation delay, and 1.6V to 6.5V supply range. It operates across –40°C to 125°C and is used in battery-powered gas detectors, smoke/heat sensors, motion detection systems, and servo position feedback circuits.
For engineers reviewing the TLV7044PWR datasheet, TLV7044PWR pinout, TLV7044PWR application, or TLV7044PWR equivalent, this page delivers verified functional specifications, WQFN-16 package layout, real-world use cases in safety-critical sensing, and validated alternative comparators for low-voltage, ultra-low-power design validation.
Technical Context
The TLV7044PWR implements a rail-to-rail input stage that accepts signals up to 100mV beyond VCC, enabling direct interface with overvoltage-tolerant sensors. Its internal hysteresis (3–25mV) suppresses noise-induced output chatter without external components.
As an open-drain device, TLV7044PWR supports level translation across voltage domains and wired-OR logic configurations. Its power-on-reset circuit holds outputs in high-impedance state until VCC ≥ 1.6V, preventing false triggering during power ramp-up.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.6V to 6.5V - compatible with single-cell Li-ion (3.0–3.7V), 3.3V, and 5V systems without level-shifting |
| Quiescent Current / Channel | 315nA - enables >10-year battery life in coin-cell-powered smoke detectors |
| Propagation Delay | 3µs - fast enough to detect rapid fault transients in gas metering or motion-triggered alarms |
| Input Offset Voltage | ±0.1mV (min), ±8mV (max) - ensures accurate threshold detection in precision sensor monitoring |
| Common-Mode Input Range | VEE to VCC + 0.1V - supports inputs exceeding supply rails, critical for industrial sensor front-ends |
| Hysteresis | 3–25mV - eliminates oscillation on slow-moving analog signals like thermistor or potentiometer outputs |
| Operating Temperature | –40°C to 125°C - qualified for automotive cabin modules and industrial fire-safety enclosures |
Pinout & Package
TLV7044PWR is packaged in a 16-pin WQFN (RTE) with 3.0mm × 3.0mm body and exposed thermal pad connected to VEE. This leadless, space-saving package supports high-density PCB layouts in portable and IoT edge devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 15 | OUT A / OUT D | Open-drain outputs - require external pull-up for logic-high; enable level translation and wired-OR bus operation |
| 2, 16 / 5, 4 / 9, 8 / 13, 12 | –IN A / +IN A / –IN B / +IN B / –IN C / +IN C / –IN D / +IN D | Differential input pairs per channel - support independent voltage window or threshold comparisons |
| 4, 11 | VCC / VEE | Positive and negative supply terminals - VEE may be grounded in single-supply configurations |
| 3, 10 | NC | No internal connection - must be left floating or tied to VEE for mechanical stability |
| 7, 6, 14 | OUT B / OUT C / OUT D | Additional open-drain outputs - allow four independent decision paths in compact footprint |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input with 100mV overvoltage tolerance | Enables direct connection to sensors operating beyond VCC (e.g., 5.5V thermocouple amps on 5V rail) |
| Internal hysteresis (3–25mV) | Eliminates need for external feedback resistors in noisy environments like HVAC ducts or motor-driven enclosures |
| Power-on-reset (POR) circuit | Guarantees high-impedance output until VCC stabilizes ≥1.6V - prevents spurious activation during cold start |
| ESD rating: ±2000V HBM | Survives handling and assembly in standard manufacturing lines without special ESD controls |
| Quad-channel integration in 3×3mm WQFN | Reduces board area by >60% vs. discrete SOT-23 comparators - critical for earbud and wearable designs |
Applications
| Gas Detection System | Smoke & Heat Detector |
|---|---|
Use Scenario: Monitoring electrochemical gas sensor output against programmable thresholds to trigger alarm when CO or methane exceeds safe limits. IC Role / Device Role / Timing Role: Quad comparator performs simultaneous high/low window detection on sensor voltage, enabling fail-safe dual-threshold verification. Use Value: 315nA/channel current extends 10-year battery life in sealed units; 3µs response detects rapid gas leaks before hazardous accumulation. | Use Scenario: Comparing thermistor and photoelectric sensor outputs to distinguish between slow ambient drift and sudden fire-induced transients. IC Role / Device Role / Timing Role: Two channels monitor temperature rise rate; two monitor smoke density - all synchronized via shared VCC and ground. Use Value: Internal hysteresis rejects EMI from nearby AC wiring; rail-to-rail input accommodates full 0–5V sensor swing without attenuation. |
| Motion-Activated Lighting | Servo Drive Position Feedback |
Use Scenario: Converting PIR sensor output into clean digital enable signal for LED driver IC, with adjustable sensitivity via reference voltage divider. IC Role / Device Role / Timing Role: Single comparator channel acts as threshold detector; remaining three channels reserved for ambient light sensing and tamper detection. Use Value: Open-drain output interfaces directly with 3.3V microcontroller GPIO; 1.6V minimum supply allows operation from partially discharged batteries. | Use Scenario: Monitoring potentiometer or resolver feedback voltage to verify motor shaft position within ±1° tolerance in closed-loop control. IC Role / Device Role / Timing Role: One channel checks upper limit, one lower limit, one center dead zone, one fault flag - all in single package. Use Value: ±0.1mV offset minimizes position error; 125°C rating supports placement near motor windings or power electronics. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar nanopower open-drain comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV7044DR | Same electrical specs; 14-pin TSSOP package (4.4mm × 5.0mm) with no thermal pad | Less efficient thermal dissipation; unsuitable for continuous high-temp operation (>85°C ambient) | Select TLV7044DR only if legacy TSSOP footprint reuse is required and thermal margin is sufficient. |
| MAX9024ASA+ | Quad open-drain comparator; 1.8V–5.5V supply; 1.5µs propagation delay; 1.2µA quiescent current | Higher power consumption limits battery life; faster response suits high-speed encoder monitoring | Choose MAX9024ASA+ only when speed outweighs power budget - not for multi-year battery deployments. |
Compared with TLV7044DR and MAX9024ASA+, TLV7044PWR delivers optimal balance of ultra-low power (315nA), compact WQFN thermal performance, and robust 125°C operation - making it the preferred choice for space-constrained, long-life safety and industrial sensing nodes.
Availability
TLV7044PWR is available at Aetrix Electronics and suitable for gas detection systems, smoke & heat detectors, motion-activated lighting, and servo drive position feedback requiring stable component supply across extended product lifecycles.
Supply support for TLV7044PWR 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 delivering analog and embedded processing solutions for industrial, automotive, and personal electronics markets.
The TLV704x family was designed specifically for ultra-low-power, high-reliability sensing applications where nanoscale current budgets and wide temperature operation are mandatory - such as battery-powered environmental monitors and safety-critical industrial controllers.
FAQ
What is the maximum supply voltage for TLV7044PWR?
The absolute maximum supply voltage (VCC – VEE) for TLV7044PWR is 7V, but the recommended operating range is 1.6V to 6.5V. Exceeding 6.5V risks parametric degradation or latch-up, especially at elevated temperatures. TI specifies 6.5V as the upper limit for reliable long-term operation across –40°C to 125°C.
Does TLV7044PWR include internal hysteresis, and how does it affect threshold accuracy?
Yes, TLV7044PWR includes internal hysteresis ranging from 3mV to 25mV depending on supply and temperature. This built-in hysteresis prevents output oscillation when input signals cross the threshold slowly or in noisy environments - eliminating the need for external positive feedback resistors while maintaining deterministic switching behavior in applications like smoke detector analog front-ends.
Can TLV7044PWR operate from a 1.2V supply?
No - TLV7044PWR requires a minimum supply voltage of 1.6V. The 1.2V minimum applies only to the "S" and "L" variants (e.g., TLV7044S or TLV7044L), which are distinct orderable part numbers with alternate pinouts. TLV7044PWR is specified strictly for 1.6V–6.5V operation per its datasheet Section 5.3.
How is the exposed thermal pad on TLV7044PWR's WQFN package connected?
The exposed thermal pad on TLV7044PWR (RTE package) must be soldered directly to the PCB's VEE (ground) plane. TI's datasheet Figure 4-8 explicitly states "Connect thermal pad to V–", and thermal metrics in Section 5.6 confirm RθJB = 40.5°C/W assumes direct thermal coupling to the board ground layer - not a floating or isolated copper pour.
What is the output leakage current specification for TLV7044PWR in high-impedance state?
TLV7044PWR's open-drain output leakage current is specified as 100pA maximum at VS = 5V, VID = +0.1V (output high), and VPULLUP = VCC. This ultra-low leakage preserves signal integrity in high-impedance bus configurations and minimizes power loss in battery-operated systems where pull-up resistors are large (e.g., 1MΩ in gas sensor wake-up circuits).
TLV7044PWR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 4
- Output Type:
- Open-Drain, Rail-to-Rail
- Voltage - Supply, Single/Dual (±):
- 1.6V ~ 6.5V
- :
- 8mV @ 5V
- Voltage - Input Offset (Max):
- 2pA @ 5V
- Current - Input Bias (Max):
- 33mA @ 5V
- Current - Output (Typ):
- 750nA
- Current - Quiescent (Max):
- 73dB CMRR, 77dB PSRR
- CMRR, PSRR (Typ):
- 3µs (Typ)
- Propagation Delay (Max):
- 25mV
- Hysteresis:
- -40°C ~ 125°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 14-TSSOP
TLV7044PWR FAQ
1.How can I place an order for TLV7044PWR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV7044PWR 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 TLV7044PWR reliable?
The price and inventory of TLV7044PWR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV7044PWR is usually 5 days.
3.What payment methods are accepted for TLV7044PWR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV7044PWR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV7044PWR?
TLV7044PWR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV7044PWR 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 TLV7044PWR?
For technical support, including TLV7044PWR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV7044PWR requirements.
6.How does Aetrix verify that TLV7044PWR is sourced from the original manufacturer or authorized distributors?
All TLV7044PWR 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 TLV7044PWR meets industry standards.
7.What is the process for return or replacement of TLV7044PWR?
All TLV7044PWR units undergo pre-shipment inspection (PSI). If there is an issue with TLV7044PWR, 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 TLV7044PWR part is unused and in its original packaging.
Return procedure for TLV7044PWR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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