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Texas Instruments LMC6772QMM/NOPB
- Part No.:
- LMC6772QMM/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LMC6772QMM/NOPB.pdf
- Description:
- IC COMPARATOR 2 GEN PUR 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,068
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Product details
Overview
LMC6772QMM/NOPB from Texas Instruments is a dual micropower rail-to-rail input CMOS comparator with open-drain outputs, designed for ultra-low-power battery-operated systems. It delivers 10 μA max supply current per comparator, operates from 2.7 V to 15 V, and supports −40°C to +125°C operation with AEC-Q100 qualification. It enables wired-OR logic level shifting in portable metering and monitoring circuits.
For engineers reviewing the LMC6772QMM/NOPB datasheet, LMC6772QMM/NOPB pinout, LMC6772QMM/NOPB application, or LMC6772QMM/NOPB equivalent, key selection considerations include its rail-to-rail input range exceeding supply rails, 420 ns propagation delay at 5 V/100 mV overdrive, open-drain output compatibility with 15 V pull-up, and automotive-grade temperature capability.
Technical Context
The LMC6772QMM/NOPB integrates two independent comparators sharing no internal bias or reference circuitry-each features rail-to-rail input stage with 20 fA typical input current and 75 dB CMRR, enabling direct sensor interfacing without external amplification. Its open-drain NMOS output stage allows flexible voltage translation and wired-OR configuration across mixed-voltage domains.
It employs a low-power CMOS architecture with power-on reset and ESD clamps on all pins (1.5 kV HBM on outputs), ensuring robustness in handheld and automotive environments. The device's propagation delay remains stable across supply voltages (2.7–15 V) and temperature (−40°C to 125°C), with guaranteed performance at minimum 2.7 V for single-cell Li-ion and alkaline applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 10 μA max per comparator - enables multi-year battery life in always-on monitoring circuits |
| Supply Voltage Range | 2.7 V to 15 V - supports single-cell Li-ion (2.7–4.2 V), 5 V logic, and 12 V automotive rails |
| Input Common-Mode Range | Exceeds both rails by ≥200 mV - permits direct sensing of signals near ground or VCC without level-shifting |
| Propagation Delay | 420 ns at 5 V/100 mV overdrive - sufficient for RC timers, window comparators, and multivibrator timing |
| Output Type | Open-drain NMOS - enables wired-OR logic, flexible pull-up to up to 15 V, and interface with 3.3 V/5 V/12 V digital logic |
| Temperature Range | −40°C to +125°C - qualified per AEC-Q100 Grade 1 for under-hood automotive and industrial embedded use |
| Input Offset Voltage | 10 mV max (LMC6772Q) - ensures reliable threshold detection in precision voltage monitoring applications |
Pinout & Package
VSSOP-8 (DGK) package: 3.00 mm × 3.00 mm body, 0.65 mm pitch, thin profile - suitable for space-constrained portable and automotive PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUTA | Open-drain output of Comparator A - requires external pull-up; sinks up to 40 mA short-circuit current |
| 2 | INA− | Inverting input of Comparator A - rail-to-rail capable; 20 fA typical input bias current |
| 3 | INA+ | Non-inverting input of Comparator A - accepts signals beyond V− and V+ rails |
| 4 | V− | Negative supply terminal - common return for both comparators and internal bias |
| 5 | INB+ | Non-inverting input of Comparator B - independent of Comparator A; same rail-to-rail specification |
| 6 | INB− | Inverting input of Comparator B - fully differential input pair with matched offset and drift |
| 7 | OUTB | Open-drain output of Comparator B - electrically isolated from OUTA; supports independent pull-up networks |
| 8 | V+ | Positive supply terminal - powers both comparators; supports 2.7–15 V operation |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input common-mode range | Extends ≥200 mV beyond V− and V+ - eliminates need for input biasing resistors in single-supply designs |
| Ultra-low quiescent current | 10 μA max per comparator - reduces system standby power by >90% vs. standard comparators |
| Open-drain output stage | Supports pull-up to any voltage ≤15 V - enables seamless logic-level translation between 1.8 V, 3.3 V, 5 V, and 12 V domains |
| AEC-Q100 qualification | Grade 1 (−40°C to +125°C) - validated for automotive body electronics, battery management, and ADAS sensor interfaces |
| ESD protection | 1.5 kV HBM on outputs, 2 kV on other pins - enhances reliability in manufacturing and field-deployed handheld equipment |
Applications
| Portable Power Monitoring | Automotive Battery Supervision |
|---|---|
|
Use Scenario: Real-time detection of low-battery condition in handheld medical devices using single alkaline or Li-ion cell. IC Role / Device Role / Timing Role: Dual comparator monitors cell voltage against two thresholds (warning and shutdown) with hysteresis to prevent chatter. Use Value: 10 μA supply current extends device runtime; rail-to-rail inputs directly sense 0–1.8 V cell voltage without scaling resistors. |
Use Scenario: Monitoring 12 V lead-acid battery voltage during engine start-stop cycles in modern vehicles. IC Role / Device Role / Timing Role: One comparator detects undervoltage (<10.5 V); second detects overvoltage (>14.8 V) to trigger charge control. Use Value: −40°C to +125°C operation ensures reliability under hood; open-drain outputs interface directly with 5 V microcontroller GPIOs. |
| Universal Logic Level Shifter | RC-Based Timer Circuit |
|
Use Scenario: Bidirectional voltage translation between 3.3 V MCU and 5 V peripheral in IoT edge node. IC Role / Device Role / Timing Role: Comparator configured as level shifter with separate pull-ups on each side; one channel used per direction. Use Value: Open-drain output allows pull-up to 5 V while powered from 3.3 V - eliminates need for dedicated level-shifter IC or discrete MOSFETs. |
Use Scenario: Generating precise time delays in energy meter anti-tampering circuits using passive RC network. IC Role / Device Role / Timing Role: Comparator functions as threshold detector triggering monostable multivibrator with adjustable pulse width. Use Value: 420 ns propagation delay ensures sub-microsecond timing accuracy; low supply current minimizes loading on RC timing network. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual micropower comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMC6762QMM/NOPB | Push-pull output instead of open-drain; otherwise identical specs and pinout | Requires no external pull-up; unsuitable for wired-OR or level-shifting | Select when driving CMOS loads directly without external resistors; not interchangeable for open-drain topologies |
| TLV7032DRYR | Lower supply current (650 nA), but narrower supply range (1.8–5.5 V); no AEC-Q100 rating | Limited to low-voltage portable electronics; not rated for automotive or industrial temperature extremes | Choose for ultra-low-power wearables where 125°C operation and 15 V tolerance are unnecessary |
Compared with LMC6772QMM/NOPB, LMC6762QMM/NOPB offers push-pull drive but forfeits wired-OR capability, while TLV7032DRYR achieves nanoamp quiescent current at the cost of voltage range and automotive qualification - making LMC6772QMM/NOPB the only option meeting all three requirements: open-drain, wide supply, and AEC-Q100.
Availability
LMC6772QMM/NOPB is available at Aetrix Electronics and suitable for automotive battery supervision, portable power monitoring, universal logic level shifting, and RC-based timer circuits requiring stable component supply across extended temperature ranges.
Supply support for LMC6772QMM/NOPB 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 precision analog, power management, and automotive-grade ICs.
The LMC6772QMM/NOPB belongs to TI's precision micropower comparator family, engineered specifically for battery-powered and automotive applications demanding rail-to-rail input operation, ultra-low quiescent current, and extended temperature reliability.
FAQ
What is the maximum supply voltage for LMC6772QMM/NOPB?
The absolute maximum supply voltage (V+ − V−) for LMC6772QMM/NOPB is 16 V, with recommended operating range from 2.7 V to 15 V. Operation at 15 V is fully characterized in the datasheet for electrical parameters including propagation delay, output sinking capability, and input common-mode range. Exceeding 16 V risks permanent damage.
Does LMC6772QMM/NOPB support rail-to-rail input voltage beyond the supply rails?
Yes, LMC6772QMM/NOPB supports input common-mode voltage exceeding both V+ and V− rails by at least 200 mV across all supply voltages (2.7 V, 5 V, and 15 V). This is confirmed in Section 6.2 of the datasheet and enables direct sensing of signals at ground or above V+ without external level-shifting circuitry.
Can LMC6772QMM/NOPB outputs be pulled up to 12 V while powered from 3.3 V?
Yes, the open-drain NMOS output stage of LMC6772QMM/NOPB allows the output to be pulled up to any voltage up to 15 V regardless of the device's own supply voltage. This is explicitly stated in the Description section and verified in AC Electrical Characteristics - enabling robust level-shifting between disparate voltage domains.
Is LMC6772QMM/NOPB pin-compatible with other variants in the LMC6772 family?
Yes, LMC6772QMM/NOPB shares identical VSSOP-8 (DGK) pinout with all LMC6772xMM/NOPB variants, including LMC6772AIMM/NOPB and LMC6772BIMM/NOPB. Pin functions, spacing, and thermal pad layout are identical - allowing drop-in replacement within the same temperature grade and output configuration constraints.
What is the short-circuit current rating for LMC6772QMM/NOPB outputs?
The LMC6772QMM/NOPB provides short-circuit protection rated at 40 mA continuous sink current per output. Datasheet Section 5.4 specifies ISC = 45 mA at V+ = 15 V with VO = 12 V, and Section 4 notes that sustained short-circuit operation at elevated ambient temperatures may exceed junction temperature limits - so external current limiting is recommended for long-term reliability.
LMC6772QMM/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 2
- Output Type:
- Open-Drain
- Voltage - Supply, Single/Dual (±):
- 2.7V ~ 15V, ±1.35V ~ 7.5V
- :
- 10mV @ 5V
- Voltage - Input Offset (Max):
- 0.04pA @ 5V
- Current - Input Bias (Max):
- 30mA
- Current - Output (Typ):
- 20µA
- Current - Quiescent (Max):
- 75dB CMRR, 80dB PSRR
- CMRR, PSRR (Typ):
- 10µs
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 125°C
- Operating Temperature:
- Automotive
- Grade:
- AEC-Q100
- Qualification:
- Surface Mount
- :
- 8-VSSOP
LMC6772QMM/NOPB FAQ
1.How can I place an order for LMC6772QMM/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMC6772QMM/NOPB 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 LMC6772QMM/NOPB reliable?
The price and inventory of LMC6772QMM/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMC6772QMM/NOPB is usually 5 days.
3.What payment methods are accepted for LMC6772QMM/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMC6772QMM/NOPB transactions.
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4.How is shipping managed for LMC6772QMM/NOPB?
LMC6772QMM/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMC6772QMM/NOPB 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 LMC6772QMM/NOPB?
For technical support, including LMC6772QMM/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMC6772QMM/NOPB requirements.
6.How does Aetrix verify that LMC6772QMM/NOPB is sourced from the original manufacturer or authorized distributors?
All LMC6772QMM/NOPB 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 LMC6772QMM/NOPB meets industry standards.
7.What is the process for return or replacement of LMC6772QMM/NOPB?
All LMC6772QMM/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMC6772QMM/NOPB, 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 LMC6772QMM/NOPB part is unused and in its original packaging.
Return procedure for LMC6772QMM/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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