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Texas Instruments TLC393CPW
- Part No.:
- TLC393CPW
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 8-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TLC393CPW.pdf
- Description:
- IC COMPARATOR 2 GEN PUR 8TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,130
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Product details
Overview
TLC393CPW from Texas Instruments is a dual micropower voltage comparator in TSSOP-8 package, designed for single-supply operation from 3 V to 16 V. It delivers 110 µW typical supply power at 5 V, 2.5 µs typical propagation delay (tPLH) with 5-mV overdrive, and open-drain CMOS outputs. It is used in battery-powered supply supervision, motor control feedback, and low-power threshold detection circuits.
For engineers reviewing the TLC393CPW datasheet, TLC393CPW pinout, TLC393CPW application, or TLC393CPW equivalent, key selection criteria include micropower consumption (<50 µA per comparator), rail-to-rail input common-mode range (0 V to VDD − 1.5 V), open-drain output compatibility with mixed-voltage logic, and commercial temperature grade (0°C to 70°C).
Technical Context
The TLC393CPW implements two independent comparators using Texas Instruments' LinCMOS™ process, enabling ultra-low bias current (≤5 pA typ at 25°C) and stable input offset voltage (≤5 mV typ). Its open-drain output stage requires an external pull-up resistor and supports interfacing with TTL, CMOS, or microcontroller I/O pins across varying supply domains.
It features on-chip ESD protection rated to 2000 V (MIL-STD-883C, Method 3015.2), operates without phase reversal under differential input stress up to ±18 V, and maintains functional integrity with input voltages extending to −0.3 V (below GND) and up to VDD + 0.3 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3 V to 16 V - supports wide-input industrial and automotive auxiliary rails without regulation. |
| Quiescent Current (per comparator) | 22 µA typ at 5 V - enables multi-year battery life in always-on sensing nodes. |
| Input Offset Voltage | 5 mV max at 25°C - ensures reliable 10-mV-level threshold detection without trimming. |
| Propagation Delay (tPLH) | 2.5 µs typ at 5 V with 5-mV overdrive - suitable for sub-100-kHz window comparators and PWM timing. |
| Input Bias Current | 5 pA typ at 25°C - minimizes error in high-impedance sensor interfaces (e.g., thermistors, photodiodes). |
| Common-Mode Input Range | 0 V to VDD − 1.5 V - allows direct sensing of signals referenced to ground or mid-rail in single-supply systems. |
| Output Type | Open-drain CMOS - enables wired-OR logic, level translation, and flexible pull-up to any voltage ≤16 V. |
Pinout & Package
TSSOP-8 (PW) package: 3.0 mm × 4.4 mm, 0.65 mm pitch, thin-profile surface-mount. Pin 1 marked by dot; pin 1 located at top-left corner when notch/label side faces up.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT1 | Open-drain output of comparator 1 - requires external pull-up; sinks up to 20 mA. |
| 2 | IN1− | Inverting input of comparator 1 - accepts voltage within common-mode range (0 V to VDD − 1.5 V). |
| 3 | IN1+ | Non-inverting input of comparator 1 - same voltage range as IN1−; differential input tolerance ±18 V. |
| 4 | GND | Analog/digital ground reference - must be low-impedance; decoupling capacitor (0.1 µF) required near pin. |
| 5 | VDD | Positive supply rail - powers both comparators; supports 3–16 V; internal ESD protection to ±2000 V. |
| 6 | OUT2 | Open-drain output of comparator 2 - electrically isolated from OUT1; shares same pull-up constraints. |
| 7 | IN2− | Inverting input of comparator 2 - fully independent; no crosstalk with comparator 1 inputs or outputs. |
| 8 | IN2+ | Non-inverting input of comparator 2 - identical electrical characteristics to IN1+. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent comparators | Two functionally isolated channels in one TSSOP-8 package - reduces board space vs discrete solutions. |
| LinCMOS™ process technology | Enables 5 pA input bias current and <5 mV offset voltage - critical for precision DC thresholding. |
| Single-supply operation | Operates from 3 V to 16 V with rail-to-rail input capability - eliminates need for dual supplies or level shifters. |
| Open-drain outputs | Supports mixed-voltage interface (e.g., 3.3-V MCU controlling 5-V load) via external pull-up selection. |
| On-chip ESD protection | Rated to 2000 V HBM - reduces need for external TVS diodes in moderate-noise environments. |
Applications
| Battery-Powered Supply Supervisor | PWM Motor Speed Control |
|---|---|
|
Use Scenario: Monitoring 3.3-V or 5-V system rails in portable medical devices to trigger reset or low-battery warning before brownout. IC Role / Device Role / Timing Role: Dual comparator configured as window detector - one channel monitors upper limit, the other lower limit. Use Value: 22 µA total quiescent current extends battery life; open-drain outputs directly drive µP interrupt or reset pins. |
Use Scenario: Generating variable-duty-cycle gate signals for half-bridge MOSFET drivers in cordless tool motor controllers. IC Role / Device Role / Timing Role: Comparator compares sawtooth oscillator voltage against adjustable reference to produce PWM waveform. Use Value: 2.5 µs propagation delay enables >100 kHz PWM frequency; low input bias avoids RC timing drift. |
| Two-Phase Nonoverlapping Clock Generator | Enhanced Threshold Detector for Sensors |
|
Use Scenario: Creating complementary, dead-time-controlled clock pairs for synchronous buck converter gate drivers. IC Role / Device Role / Timing Role: Two comparators cross-coupled with RC network to generate phase-shifted square waves with programmable dead time. Use Value: Independent inputs/outputs prevent timing skew; stable offset ensures precise 50% duty cycle symmetry. |
Use Scenario: Detecting temperature thresholds from NTC thermistor voltage dividers in HVAC control panels. IC Role / Device Role / Timing Role: Single comparator compares thermistor-derived voltage against precision reference (e.g., TL431). Use Value: 5 pA input bias eliminates measurement error in 100-kΩ+ sensor networks; wide supply range accommodates 12-V panel rails. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual micropower comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM393DR | Higher supply current (500 µA typ), slower response (1.3 µs min tPLH only at 5-V overdrive), no LinCMOS input performance. | Acceptable in non-battery applications where power >100 µA is tolerable and offset >7 mV is acceptable. | Select LM393DR only if cost is primary constraint and micropower or precision specs are not required. |
| TLC3702IPW | Push-pull (not open-drain) outputs, higher speed (1.5 µs tPLH), but higher supply current (120 µA typ) and narrower input common-mode range (0 V to VDD − 2 V). | Suitable where active-high outputs are needed without pull-ups, but incompatible with wired-OR or level-shifting topologies. | Choose TLC3702IPW only when push-pull drive is mandatory and open-drain flexibility is unnecessary. |
Compared with LM393DR and TLC3702IPW, the TLC393CPW uniquely balances ultra-low power (22 µA), precision (5 mV offset), and open-drain versatility - making it optimal for battery-constrained, multi-rail, or noise-immune threshold detection systems.
Availability
TLC393CPW is available at Aetrix Electronics and suitable for battery-powered instrumentation, industrial supply monitoring, and motor control feedback requiring stable component supply across commercial temperature range (0°C to 70°C) and long-lifecycle sourcing.
Supply support for TLC393CPW 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 specializing in analog, embedded processing, and connectivity technologies, with decades of expertise in precision analog IC design.
The TLC393 series belongs to TI's LinCMOS™ comparator product line, engineered specifically for micropower, high-input-impedance, single-supply applications in portable, industrial, and automotive subsystems.
FAQ
What is the maximum supply voltage rating for the TLC393CPW?
The TLC393CPW has an absolute maximum supply voltage (VDD) rating of 18 V. However, its recommended operating range is 3 V to 16 V. Operation above 16 V may compromise parametric performance or reliability, and is not guaranteed across temperature or process variation. Always observe the 18-V absolute maximum limit to prevent permanent damage.
Does the TLC393CPW support rail-to-rail input operation?
The TLC393CPW supports a common-mode input voltage range from 0 V to VDD − 1.5 V at full temperature range (0°C to 70°C). While not true rail-to-rail (it does not accept inputs at VDD), this range covers most single-supply applications including ground-referenced sensors and mid-rail references. Inputs below GND (down to −0.3 V) are permitted but not guaranteed functional.
Can the TLC393CPW outputs drive an LED directly?
Yes - each open-drain output of the TLC393CPW can sink up to 20 mA, sufficient to drive standard indicator LEDs. A series current-limiting resistor must be used between VDD and the LED anode, with the LED cathode connected to OUTx. The output pulls low to illuminate; no external transistor is needed for currents ≤20 mA.
What is the typical input offset voltage drift over temperature for the TLC393CPW?
The TLC393CPW exhibits stable input offset voltage across temperature: the maximum specified VIO is 6.5 mV over the full 0°C to 70°C range. Typical drift is minimal - data shows <1 mV variation from 25°C to 70°C in characterization plots. This stability stems from TI's LinCMOS™ process and makes the TLC393CPW suitable for untrimmed threshold circuits.
Is a decoupling capacitor required for the TLC393CPW, and what value is recommended?
Yes - a 0.1-µF ceramic decoupling capacitor is required between VDD and GND, placed as close as possible to pins 5 and 4. This suppresses high-frequency supply noise that could induce false triggering, especially in high-gain or high-speed comparator configurations. Larger bulk capacitance (e.g., 1–10 µF) may be added nearby for systems with dynamic load transients.
TLC393CPW Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-TSSOP (0.173", 4.40mm Width)
- Series:
- LinCMOS™
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- General Purpose
- Number of Elements:
- 2
- Output Type:
- MOS, Open-Drain
- Voltage - Supply, Single/Dual (±):
- 3V ~ 16V
- :
- 5mV @ 10V
- Voltage - Input Offset (Max):
- 5pA @ 5V
- Current - Input Bias (Max):
- 20mA
- Current - Output (Typ):
- 50µA
- Current - Quiescent (Max):
- 84dB CMRR
- CMRR, PSRR (Typ):
- 4.5µs
- Propagation Delay (Max):
- -
- Hysteresis:
- 0°C ~ 70°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 8-TSSOP
TLC393CPW FAQ
1.How can I place an order for TLC393CPW through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC393CPW 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 TLC393CPW reliable?
The price and inventory of TLC393CPW are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC393CPW is usually 5 days.
3.What payment methods are accepted for TLC393CPW?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC393CPW transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC393CPW?
TLC393CPW orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC393CPW 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 TLC393CPW?
For technical support, including TLC393CPW datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC393CPW requirements.
6.How does Aetrix verify that TLC393CPW is sourced from the original manufacturer or authorized distributors?
All TLC393CPW 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 TLC393CPW meets industry standards.
7.What is the process for return or replacement of TLC393CPW?
All TLC393CPW units undergo pre-shipment inspection (PSI). If there is an issue with TLC393CPW, 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 TLC393CPW part is unused and in its original packaging.
Return procedure for TLC393CPW:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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