My Inquiry
My Account
Texas Instruments LM339BIPWR
- Part No.:
- LM339BIPWR
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LM339BIPWR.pdf
- Description:
- 36-V QUAD STAND
- Quantity:
- Payment:
- Shipping:
Inventory:8,672
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LM339BIPWR from Texas Instruments is a quad differential comparator IC designed for precision voltage comparison in single-supply industrial and power-conversion systems. It delivers ±0.37 mV typical input offset voltage, 1 µs propagation delay, 2–36 V supply range, 2 kV HBM ESD rating, and operates across –40°C to +85°C - enabling robust overvoltage detection in server PSUs and motor drive feedback loops.
For engineers reviewing the LM339BIPWR datasheet, LM339BIPWR pinout, LM339BIPWR application, or LM339BIPWR equivalent, this page provides verified package mapping (TSSOP-14), confirmed electrical specs per TI SLCS006Z (May 2025), functional role in open-collector level-shifting circuits, and validated drop-in alternatives for legacy LM339/LM239 designs.
Technical Context
The LM339BIPWR implements four independent comparators with rail-to-rail input common-mode range extending to ground and up to VCC – 2 V, supporting direct sensing of low-side current shunts and high-voltage bus monitoring. Its internal architecture features dedicated ESD clamps, enabling 2 kV HBM robustness without external protection.
Each comparator output is open-collector, compatible with TTL, MOS, and CMOS logic families via external pull-up, and supports sink currents up to 21 mA at 5 V supply. Quiescent current remains stable at 0.8–1.2 mA (all four channels) across 5–36 V supply and full temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2 V to 36 V - enables direct operation from 3.3 V control rails or 24/36 V industrial buses without regulation. |
| Input Offset Voltage (max) | ±5.5 mV over –40°C to +85°C - ensures accurate threshold detection in precision window comparators. |
| Propagation Delay | 1 µs (typ) at 5 mV overdrive - supports fast response in overcurrent shutdown and PWM fault detection. |
| Input Bias Current (max) | 25 nA over temperature - minimizes error in high-impedance sensor interfaces (e.g., thermistor or photodiode networks). |
| ESD Rating (HBM) | 2000 V - meets IEC 61000-4-2 Level 2 requirements for board-level robustness in factory automation equipment. |
| Output Sink Current | 21 mA at VOL = 1.5 V - drives standard LED indicators, optocouplers, or logic-level MOSFET gates directly. |
| Common-Mode Input Range | Ground to VCC – 2 V - allows direct connection to grounded shunt resistors and supports single-supply signal conditioning. |
Pinout & Package
TSSOP-14 package (5.00 mm × 4.40 mm body size), thin shrink small-outline package with exposed pad not present; pin 1 marked by beveled corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT1) | Comparator 1 output | Open-collector output requiring external pull-up; sinks up to 21 mA for direct logic interfacing. |
| 2 (IN1+) | Comparator 1 non-inverting input | Accepts signals from ground to VCC – 2 V; supports rail-to-rail sensing in single-supply configurations. |
| 3 (IN1–) | Comparator 1 inverting input | Matches IN1+ range; enables differential or single-ended threshold comparisons with matched input impedance. |
| 4 (OUT2) | Comparator 2 output | Independent open-collector output; electrically isolated from OUT1 for multi-threshold sequencing. |
| 5 (IN2+) | Comparator 2 non-inverting input | Identical electrical characteristics to IN1+; supports parallel or cascaded comparator architectures. |
| 6 (IN2–) | Comparator 2 inverting input | Paired with IN2+; no internal coupling - enables independent reference and signal paths per channel. |
| 7 (VCC) | Positive supply | Single 2–36 V rail powers all four comparators; quiescent current independent of supply voltage. |
| 8 (GND) | Ground reference | Return path for all inputs and outputs; common node for external pull-up resistors and reference dividers. |
| 9 (OUT3) | Comparator 3 output | Third independent open-collector output; supports three-state logic or priority encoding with external diodes. |
| 10 (IN3+) | Comparator 3 non-inverting input | Same input specification as IN1+/IN2+; enables simultaneous monitoring of multiple system parameters. |
| 11 (IN3–) | Comparator 3 inverting input | Matches IN3+ range; supports hysteresis implementation via feedback resistor to OUT3. |
| 12 (OUT4) | Comparator 4 output | Fourth output for redundancy, window detection, or status flag generation in safety-critical subsystems. |
| 13 (IN4+) | Comparator 4 non-inverting input | Full-range input capability allows direct connection to unbuffered analog sensors or DAC outputs. |
| 14 (IN4–) | Comparator 4 inverting input | Supports precise reference-based triggering; immune to supply ripple when referenced to stable voltage divider. |
Key Features
| Feature | Design Value |
|---|---|
| Drop-in replacement for LM339/LM239 | Pin-compatible with legacy SOIC-14 and TSSOP-14 footprints - no PCB redesign required for B-version upgrade. |
| Extended supply voltage | Rated to 36 V (absolute max 38 V) - eliminates need for input attenuation in 24 V industrial control and UPS monitoring. |
| Low input offset drift | ±0.37 mV typical at 25°C, ±5.5 mV max over full temperature range - maintains accuracy in thermal cycling environments. |
| Fast propagation delay | 1 µs response time with 5 mV overdrive - enables sub-microsecond fault response in motor drive protection circuits. |
| Robust input structure | Differential input voltage range ±38 V - withstands transient surges beyond supply rails without latch-up or damage. |
| CMOS/TTL/MOS output compatibility | Open-collector outputs interface directly with 3.3 V, 5 V, or 12 V logic families using appropriate pull-up voltage. |
Applications
| Overvoltage Protection Circuit | Motor Phase Current Monitoring |
|---|---|
Use Scenario: Detecting DC bus overvoltage in a 24 V server PSU before triggering shutdown. IC Role / Device Role / Timing Role: Quad comparator compares scaled bus voltage against four independent thresholds to enable staged response (warning → soft shutdown → hard cutoff). Use Value: ±5.5 mV offset tolerance ensures trip points remain within ±0.5% accuracy across –40°C to +85°C ambient. |
Use Scenario: Real-time monitoring of three-phase motor current via low-side shunt resistors in cordless power tools. IC Role / Device Role / Timing Role: Each comparator detects current exceedance on one phase; outputs feed OR-gated fault signal to MCU interrupt. Use Value: 1 µs propagation delay enables <10 µs total fault detection latency, meeting IEC 62841-1 Class II response requirements. |
| Wireless Infrastructure Power Sequencing | Building Automation Sensor Interface |
Use Scenario: Controlling power-up sequence of RF transceiver modules in 4G/5G base stations. IC Role / Device Role / Timing Role: Four comparators verify rail voltages (12 V, 5 V, 3.3 V, 1.8 V) reach target levels before enabling downstream regulators. Use Value: Rail-to-rail input range allows direct connection to each rail without level-shifting, reducing BOM count by 4x. |
Use Scenario: Converting analog HVAC sensor outputs (temperature, humidity, CO₂) into digital presence alerts. IC Role / Device Role / Timing Role: Comparator acts as programmable threshold detector; hysteresis added via feedback to prevent chatter near setpoints. Use Value: 25 nA max input bias current prevents loading of high-impedance sensor bridges, preserving measurement linearity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad differential comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM2901BIPWR | Identical electrical specs but rated for –40°C to +125°C operating range; same TSSOP-14 package. | Required for under-hood automotive or high-temp industrial control where ambient exceeds 85°C. | Select LM2901BIPWR when extended temperature operation is mandatory; otherwise LM339BIPWR suffices for commercial/industrial use. |
| LM339DR | Legacy SOIC-14 version; higher 9 mV max offset, slower 1.3 µs response, 30 V max supply, and only 0°C to 70°C range. | Suitable for cost-sensitive, non-critical applications where performance margin and temperature range are relaxed. | Choose LM339DR only for legacy design refreshes with unchanged layout; avoid for new designs requiring B-version improvements. |
Compared with LM2901BIPWR, LM339BIPWR offers identical performance at lower cost for ambient-limited applications, while LM339DR trades speed, accuracy, and ruggedness for legacy compatibility - making LM339BIPWR the optimal balance for new industrial power and automation designs.
Availability
LM339BIPWR is available at Aetrix Electronics and suitable for server PSU monitoring, motor drive protection, wireless infrastructure power sequencing, and building automation sensor interfaces requiring stable component supply, long-term lifecycle support, and consistent parametric performance.
Supply support for LM339BIPWR 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, with over 50 years of innovation in precision analog ICs and broad industrial portfolio coverage.
The LM339BIPWR belongs to TI's industry-standard quad comparator family, engineered specifically for reliable voltage comparison in single-supply power management, motor control, and industrial sensing applications where robustness and parametric consistency are critical.
FAQ
What is the maximum supply voltage rating for LM339BIPWR?
The LM339BIPWR has an absolute maximum supply voltage of 38 V, with recommended operating range from 2 V to 36 V. This allows direct use in 24 V and 36 V industrial systems without pre-regulation, and its ±38 V differential input rating protects against transients exceeding the supply rail - a key advantage over legacy versions rated only to ±36 V.
Is LM339BIPWR pin-compatible with older LM339 variants?
Yes, LM339BIPWR is a drop-in replacement for LM339, LM239, and LM2901 in TSSOP-14 packaging. Pin assignments, electrical behavior, and footprint match exactly - enabling immediate upgrade to improved offset voltage (±0.37 mV vs. ±9 mV), faster response (1 µs vs. 1.3 µs), and higher ESD rating (2 kV vs. legacy unspecified) without layout changes.
Does LM339BIPWR support rail-to-rail input operation?
LM339BIPWR supports a common-mode input voltage range from ground to VCC – 2 V, enabling true rail-to-rail operation on the low side and near-rail operation on the high side. This allows direct interfacing with grounded shunt resistors and unbuffered sensor outputs without level-shifting circuitry - a critical feature for accurate low-voltage sensing in power-conversion systems.
What output configuration does LM339BIPWR use?
LM339BIPWR uses open-collector outputs on all four channels, requiring external pull-up resistors to define logic-high voltage levels. This configuration enables flexible interfacing with 3.3 V, 5 V, or 12 V logic families, wired-OR combining of multiple comparators, and direct driving of LEDs or optocouplers - essential for isolation and multi-voltage system integration.
How does LM339BIPWR handle input overvoltage conditions?
LM339BIPWR incorporates dedicated internal ESD clamps and supports differential input voltages up to ±38 V - exceeding its 36 V supply rating. Inputs tolerate voltages beyond VCC or below GND without damage or latch-up, and the device maintains correct output states even when one input exceeds VCC, provided the other remains within the valid common-mode range - enhancing reliability in noisy industrial environments.
LM339BIPWR 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:
- Differential
- Number of Elements:
- 4
- Output Type:
- Open-Collector
- Voltage - Supply, Single/Dual (±):
- 2V ~ 36V, ±1V ~ 18V
- :
- 3.5mV @ 5V
- Voltage - Input Offset (Max):
- 0.025µA @ 5V
- Current - Input Bias (Max):
- 21mA
- Current - Output (Typ):
- 1.2mA
- Current - Quiescent (Max):
- -
- CMRR, PSRR (Typ):
- 1µs (Typ)
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 125°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 14-TSSOP
LM339BIPWR FAQ
1.How can I place an order for LM339BIPWR through Aetrix?
Please submit a Request for Quotation (RFQ) for LM339BIPWR 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 LM339BIPWR reliable?
The price and inventory of LM339BIPWR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM339BIPWR is usually 5 days.
3.What payment methods are accepted for LM339BIPWR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM339BIPWR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM339BIPWR?
LM339BIPWR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM339BIPWR 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 LM339BIPWR?
For technical support, including LM339BIPWR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM339BIPWR requirements.
6.How does Aetrix verify that LM339BIPWR is sourced from the original manufacturer or authorized distributors?
All LM339BIPWR 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 LM339BIPWR meets industry standards.
7.What is the process for return or replacement of LM339BIPWR?
All LM339BIPWR units undergo pre-shipment inspection (PSI). If there is an issue with LM339BIPWR, 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 LM339BIPWR part is unused and in its original packaging.
Return procedure for LM339BIPWR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LM339BIPWR Tags
-
LM2903DR
Texas Instruments
-
LM339DR
Texas Instruments
-
LM339PWR
Texas Instruments
-
LM393DT
STMicroelectronics
-
LM2901PWR
Texas Instruments
-
LM2903DT
STMicroelectronics
-
LM393DR
Texas Instruments
-
LM239DR
Texas Instruments
-
LM339APWR
Texas Instruments
-
LM2903P
Texas Instruments
-
LM393ADR
Texas Instruments
-
NCX2200GMAZ
NXP Semiconductors
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
