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Texas Instruments LM2901VQPWRCT
- Part No.:
- LM2901VQPWRCT
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LM2901VQPWRCT.pdf
- Description:
- PROTOTYPE
- Quantity:
- Payment:
- Shipping:
Inventory:2,140
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Product details
Overview
LM2901VQPWRCT from Texas Instruments is an AEC-Q100 Grade 1 automotive-qualified quad open-drain comparator with 2 V to 32 V supply range, ±0.37 mV typical input offset voltage, 3.5 nA typical input bias current, and 1 µs typical propagation delay. It operates across –40°C to +125°C ambient and supports HEV/EV powertrain voltage monitoring.
For engineers reviewing the LM2901VQPWRCT datasheet, LM2901VQPWRCT pinout, LM2901VQPWRCT application, or LM2901VQPWRCT equivalent, this page delivers verified electrical specs, TSSOP-14 pin mapping, automotive-grade thermal performance data, and functional alternatives for body control module and infotainment system designs.
Technical Context
The LM2901VQPWRCT implements four independent PNP Darlington-input comparators enabling high-gain, low-input-bias operation down to ground common-mode. Its open-drain outputs support flexible logic-level translation via external pull-up resistors and enable wired-AND configurations.
It features dedicated ESD protection on all pins (2 kV HBM), operates with single or dual supplies (ΔVCC = 2–32 V), and maintains stable performance over full automotive temperature range without requiring output clamping diodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2 V to 32 V - supports direct connection to 12 V/24 V automotive rails and battery-sensed inputs |
| Input Offset Voltage (max) | ±5.5 mV over –40°C to +125°C - ensures reliable threshold detection in engine bay environments |
| Input Bias Current (typ) | 3.5 nA at 25°C - minimizes loading on high-impedance sensor references (e.g., thermistors, potentiometers) |
| Propagation Delay (typ) | 1 µs at 5 V supply - enables real-time response in overvoltage lockout and window comparator circuits |
| Output Sink Current | 21 mA per channel - drives standard LED indicators or MOSFET gate resistors without buffering |
| ESD Rating (HBM) | ±2000 V - meets AEC-Q100 Class 2 requirements for robustness in assembly and field operation |
| Operating Temperature | –40°C to +125°C ambient - qualified for under-hood and dashboard-mounted ECUs |
Pinout & Package
TSSOP-14 package (4.40 mm × 5.00 mm), lead-free, RoHS-compliant, with exposed thermal pad connected to GND.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT1) | Comparator 2 output | Open-drain NPN sink - requires external pull-up to define logic-high level |
| 2 (OUT2) | Comparator 1 output | Wired-AND capable - connects directly to MCU interrupt or status line |
| 3 (VCC) | Positive supply | Accepts 2–32 V - powers all four comparators; decoupling capacitor required at pin |
| 4 (IN2–) | Comparator 1 inverting input | PNP Darlington input - supports common-mode down to GND, up to VCC – 2 V |
| 5 (IN2+) | Comparator 1 non-inverting input | Differential pair input - tolerates ±36 V differential voltage without damage |
| 6 (IN1–) | Comparator 2 inverting input | Shared bias network - matched offset tracking with IN1+ across temperature |
| 7 (IN1+) | Comparator 2 non-inverting input | High-impedance node - <3.5 nA leakage enables precision reference comparison |
| 8 (IN3–) | Comparator 3 inverting input | Independent channel - electrically isolated from other inputs for multi-threshold sensing |
| 9 (IN3+) | Comparator 3 non-inverting input | Supports rail-to-rail input swing - usable with sensors referenced to battery or chassis GND |
| 10 (IN4–) | Comparator 4 inverting input | ESD-hardened pin - integrated clamp diodes protect against transients in CAN/LIN bus proximity |
| 11 (IN4+) | Comparator 4 non-inverting input | Low-offset path - ±0.37 mV typical drift enables accurate window comparator thresholds |
| 12 (GND) | Negative supply / reference | Return path for all channels - must connect to system chassis or battery negative |
| 13 (OUT4) | Comparator 4 output | Configurable logic interface - pull-up to 3.3 V or 5 V MCU I/O matches voltage domain |
| 14 (OUT3) | Comparator 3 output | Direct drive capability - sinks 21 mA to activate relay coils or optocouplers |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for automotive use from –40°C to +125°C ambient, including thermal cycling and vibration testing |
| Open-drain outputs with 21 mA sink | Enables level-shifting between 3.3 V microcontrollers and 12 V/24 V subsystems without level translators |
| 2 kV HBM ESD protection | Eliminates need for external TVS diodes in body control modules exposed to human contact |
| Ground-sensing input range | Allows direct comparison of 0 V–referenced signals (e.g., coolant temp sensor) without level-shifting circuitry |
| Quad independent comparators | Reduces BOM count vs. discrete solutions - one IC replaces four single comparators with shared supply and footprint |
Applications
| Powertrain Voltage Monitoring | Infotainment System Threshold Detection |
|---|---|
Use Scenario: Real-time monitoring of 12 V battery voltage, alternator output, and DC-DC converter rails in hybrid electric vehicles. IC Role / Device Role / Timing Role: Quad comparator performs simultaneous undervoltage lockout (UVLO), overvoltage protection (OVP), and window monitoring on multiple power domains. Use Value: ±5.5 mV max offset ensures accurate trip points across temperature; 1 µs response enables fast fault isolation before downstream damage occurs. | Use Scenario: Detecting backlight dimming thresholds, touch panel wake events, and audio amplifier mute conditions in digital instrument clusters. IC Role / Device Role / Timing Role: Comparator channels interface analog sensor outputs (e.g., ambient light, button voltage dividers) to 3.3 V MCU GPIOs via open-drain pull-up. Use Value: 3.5 nA input bias prevents loading of high-resistance voltage dividers; 32 V supply tolerance allows direct connection to display power rails. |
| Body Control Module (BCM) Signal Conditioning | Automotive HVAC Blower Speed Control |
Use Scenario: Converting variable-resistance cabin temperature sensors and door position switches into clean digital signals for BCM microcontroller input. IC Role / Device Role / Timing Role: Four comparators condition four independent analog inputs - each with adjustable hysteresis via feedback resistors. Use Value: Ground-referenced input range eliminates need for op-amp buffers; TSSOP-14 footprint saves PCB area versus SOIC-14 alternatives. | Use Scenario: Monitoring motor current sense resistor voltage to implement closed-loop blower speed regulation and stall detection. IC Role / Device Role / Timing Role: Comparator compares amplified shunt voltage against PWM-modulated reference to trigger overcurrent shutdown. Use Value: 21 mA output sink drives gate driver enable lines directly; ±36 V differential input withstands motor back-EMF transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM2901BQPWRCT | 36 V max supply (vs. 32 V), ±0.37 mV offset, 2 kV HBM ESD, same TSSOP-14 package | Preferred for 24 V commercial vehicle systems requiring higher supply headroom | Select when design operates above 32 V or needs margin for load dump transients |
| LM2901QPWRCT | 30 V max supply, ±15 mV max offset, 2 kV HBM ESD, same TSSOP-14 package | Suitable for cost-sensitive 12 V passenger car modules where tighter offset not required | Choose for legacy designs or non-critical thresholds where ±15 mV offset is acceptable |
Compared with LM2901QPWRCT, LM2901VQPWRCT offers 2× tighter offset and 2 V higher supply rating; compared with LM2901BQPWRCT, it trades 4 V supply headroom for optimized 32 V compatibility in infotainment and BCM applications.
Availability
LM2901VQPWRCT is available at Aetrix Electronics and suitable for automotive powertrain monitoring, infotainment system threshold detection, and body control module signal conditioning requiring stable component supply across extended temperature ranges.
Supply support for LM2901VQPWRCT 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 for automotive, industrial, personal electronics, and communications markets.
The LM2901x-Q1 product line delivers AEC-Q100-qualified quad comparators optimized for automotive subsystems requiring wide supply range, ground-sensing inputs, and robust ESD performance in harsh environments.
FAQ
What is the maximum supply voltage rating for LM2901VQPWRCT?
The LM2901VQPWRCT has a maximum supply voltage rating of 32 V, validated per AEC-Q100 recommended operating conditions. This allows direct interface with 24 V nominal automotive systems while maintaining 2 V margin below absolute maximum ratings. Operation beyond 32 V risks exceeding safe junction temperature and invalidating automotive qualification.
Does LM2901VQPWRCT support ground-referenced input signals?
Yes, LM2901VQPWRCT supports common-mode input voltages down to GND (V–) across its full operating temperature range. Its PNP Darlington input stage enables accurate comparison of 0 V–referenced sensors such as thermistors or potentiometers without level-shifting circuitry, reducing BOM cost and board space.
What is the typical input offset voltage of LM2901VQPWRCT and how does it vary with temperature?
The LM2901VQPWRCT has a typical input offset voltage of ±0.37 mV at 25°C, with a maximum of ±5.5 mV over the full –40°C to +125°C operating range. This tight offset specification ensures consistent threshold accuracy in engine control units and battery management systems where thermal drift must be minimized.
Can LM2901VQPWRCT outputs drive LEDs directly?
Yes, each LM2901VQPWRCT output can sink up to 21 mA, sufficient to drive standard indicator LEDs without external transistors. When used with a 330 Ω pull-up to 5 V, the output delivers ~15 mA - well within safe limits and compatible with automotive LED brightness requirements.
Is LM2901VQPWRCT pin-compatible with LM2901QPWRCT?
Yes, LM2901VQPWRCT is pin-compatible with LM2901QPWRCT in the TSSOP-14 package, sharing identical pinout, footprint, and solder mask layout. This enables drop-in replacement in existing designs where improved offset voltage (±5.5 mV vs. ±15 mV) and higher supply rating (32 V vs. 30 V) are needed without PCB revision.
LM2901VQPWRCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 4
- Output Type:
- Open-Collector
- Voltage - Supply, Single/Dual (±):
- 2V ~ 32V, ±1V ~ 16V
- :
- 7mV @ 5V
- Voltage - Input Offset (Max):
- 0.25µA @ 5V
- Current - Input Bias (Max):
- 16mA
- Current - Output (Typ):
- 2.5mA
- Current - Quiescent (Max):
- -
- CMRR, PSRR (Typ):
- -
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 125°C (TJ)
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 14-TSSOP
LM2901VQPWRCT FAQ
1.How can I place an order for LM2901VQPWRCT through Aetrix?
Please submit a Request for Quotation (RFQ) for LM2901VQPWRCT 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 LM2901VQPWRCT reliable?
The price and inventory of LM2901VQPWRCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM2901VQPWRCT is usually 5 days.
3.What payment methods are accepted for LM2901VQPWRCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM2901VQPWRCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM2901VQPWRCT?
LM2901VQPWRCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM2901VQPWRCT 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 LM2901VQPWRCT?
For technical support, including LM2901VQPWRCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM2901VQPWRCT requirements.
6.How does Aetrix verify that LM2901VQPWRCT is sourced from the original manufacturer or authorized distributors?
All LM2901VQPWRCT 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 LM2901VQPWRCT meets industry standards.
7.What is the process for return or replacement of LM2901VQPWRCT?
All LM2901VQPWRCT units undergo pre-shipment inspection (PSI). If there is an issue with LM2901VQPWRCT, 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 LM2901VQPWRCT part is unused and in its original packaging.
Return procedure for LM2901VQPWRCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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