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Texas Instruments LM339PWRG4
- Part No.:
- LM339PWRG4
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LM339PWRG4.pdf
- Description:
- IC COMPARATOR 4 DIFF 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,669
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Product details
Overview
LM339PWRG4 from Texas Instruments is a quad differential comparator IC designed for precision voltage comparison in single-supply systems. It features ±0.37 mV typical input offset voltage, 1 µs propagation delay, 2–36 V supply range, and rail-to-rail input capability down to ground. It is used in server PSU overvoltage protection circuits where fast, low-offset threshold detection is required.
For engineers reviewing the LM339PWRG4 datasheet, LM339PWRG4 pinout, LM339PWRG4 application, or LM339PWRG4 equivalent, key selection criteria include input offset drift over temperature (±5.5 mV max), output sink current (21 mA), ESD robustness (2 kV HBM), and compatibility with TTL/MOS/CMOS logic interfaces.
Technical Context
The LM339PWRG4 implements four independent open-collector comparators with common-mode input range extending to ground and differential input tolerance up to ±38 V. Its internal architecture supports operation from a single 2–36 V supply with quiescent current independent of supply voltage - 1.2 mA typical at 5 V and 1.6 mA max at 36 V across –40°C to +85°C.
It uses dedicated ESD clamps to achieve 2 kV HBM rating and features improved input ruggedness versus legacy LM339 variants. The device maintains stable propagation delay (1 µs typ) and low output saturation voltage (400 mV max at 4 mA) across its full operating temperature and supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2 V to 36 V - supports wide-input industrial and telecom power rails without external regulation |
| Input Offset Voltage (max) | ±5.5 mV over –40°C to +85°C - enables accurate threshold detection in precision monitoring |
| Propagation Delay | 1 µs typical at 5 V - ensures rapid response for overvoltage/undervoltage fault detection |
| Input Bias Current (typ) | 3.5 nA - minimizes loading on high-impedance sensor or divider networks |
| Output Sink Current | 21 mA - drives standard LED indicators or logic-level MOSFET gates directly |
| ESD Rating (HBM) | 2000 V - meets industrial handling requirements without additional protection circuitry |
| Common-Mode Input Range | Ground to (VCC – 2 V) - allows direct sensing of signals referenced to system ground |
Pinout & Package
LM339PWRG4 is housed in a 14-pin TSSOP package (5.00 mm × 4.40 mm body size) with exposed thermal pad connected to GND. Pin numbering follows standard SOIC/TSSOP top-view convention.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT1) | Comparator 1 output | Open-collector output requiring external pull-up; sinks up to 21 mA |
| 2 (IN1+) | Comparator 1 non-inverting input | Accepts signals from ground to (VCC – 2 V); tolerant to VCC level |
| 3 (IN1–) | Comparator 1 inverting input | Same voltage range as IN1+; differential input swing up to ±38 V |
| 4 (OUT2) | Comparator 2 output | Independent open-collector output; electrically identical to OUT1 |
| 5 (IN2+) | Comparator 2 non-inverting input | Matches IN1+ specs; supports rail-to-rail common-mode operation |
| 6 (IN2–) | Comparator 2 inverting input | Matches IN1– specs; no phase inversion relative to IN1– |
| 7 (VCC) | Positive supply | Single supply input; accepts 2–36 V; powers all four comparators |
| 8 (GND) | Ground reference | Return path for supply and inputs; thermal pad must be connected to GND |
| 9 (IN3–) | Comparator 3 inverting input | Third comparator input pair; identical electrical behavior to IN1–/IN2– |
| 10 (IN3+) | Comparator 3 non-inverting input | Third comparator input pair; identical electrical behavior to IN1+/IN2+ |
| 11 (OUT3) | Comparator 3 output | Third open-collector output; shares same sink capability as OUT1/OUT2 |
| 12 (IN4–) | Comparator 4 inverting input | Fourth comparator input; fully independent and matched to others |
| 13 (IN4+) | Comparator 4 non-inverting input | Fourth comparator input; supports same common-mode and differential ranges |
| 14 (OUT4) | Comparator 4 output | Fourth open-collector output; functionally identical to other outputs |
Key Features
| Feature | Design Value |
|---|---|
| Drop-in B-version upgrade | Replaces LM339/LM2901 with no PCB changes; retains pinout and footprint |
| Low input offset voltage | ±0.37 mV typical enables <10 mV threshold accuracy in battery monitor circuits |
| Wide supply range | 2–36 V operation eliminates need for auxiliary bias supplies in 24 V industrial systems |
| Ground-sensing input | Common-mode range includes 0 V - allows direct interface with shunt-based current sense amps |
| Robust ESD protection | 2 kV HBM rating reduces risk of field failure during board assembly and handling |
| Temperature-stable delay | 1 µs propagation time maintained across –40°C to +85°C - critical for real-time fault response |
Applications
| Vacuum Robot Motor Control | Server PSU Overvoltage Protection |
|---|---|
Use Scenario: Monitors motor winding voltage during commutation to detect short-circuit faults before thermal damage occurs. IC Role / Device Role / Timing Role: Quad comparator compares phase voltages against reference thresholds with sub-microsecond response. Use Value: Enables immediate shutdown within 1 µs of overvoltage event, preventing IGBT failure in brushless DC drives. | Use Scenario: Detects >120% nominal output voltage in 12 V server power supplies to trigger crowbar or latch-off. IC Role / Device Role / Timing Role: LM339PWRG4 acts as primary analog fault detector feeding into digital supervisor IC. Use Value: ±5.5 mV offset stability over temperature ensures consistent trip point across ambient conditions. |
| Cordless Power Tool Battery Management | Building Automation Sensor Interface |
Use Scenario: Compares cell voltages in 10S Li-ion packs to identify overcharged cells during fast charging. IC Role / Device Role / Timing Role: Four comparators independently monitor each 3.6 V cell segment using resistor dividers. Use Value: 3.5 nA input bias current prevents significant error in high-impedance divider networks (≥1 MΩ). | Use Scenario: Interfaces 0–10 V HVAC control signals to microcontroller GPIOs by converting analog levels to digital states. IC Role / Device Role / Timing Role: LM339PWRG4 provides hysteresis-enabled window detection for zone temperature setpoints. Use Value: Rail-to-rail input range allows direct connection to 0–10 V sensors without level-shifting circuitry. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM339PW | Same B-version silicon but rated for 0°C to 70°C ambient; lacks extended temp qualification | Suitable only for commercial-grade equipment; not qualified for industrial environments | Select LM339PW only if ambient operating temperature remains below 70°C and cost is prioritized |
| LM2901BDR | Identical electrical specs but in SOIC-14 package; wider temperature range (–40°C to +125°C) | Better suited for automotive or high-temp industrial control cabinets | Choose LM2901BDR when extended temperature operation or higher thermal mass is required |
Compared with LM339PW and LM2901BDR, the LM339PWRG4 offers optimal balance of industrial temperature range (–40°C to +85°C), compact TSSOP footprint, and proven reliability in server and automation power monitoring - making it ideal for space-constrained, thermally demanding designs.
Availability
LM339PWRG4 is available at Aetrix Electronics and suitable for server PSU overvoltage protection, vacuum robot motor control, and cordless power tool battery management requiring stable component supply and long-term industrial availability.
Supply support for LM339PWRG4 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 communications markets.
The LM339B family - including LM339PWRG4 - was engineered to replace legacy quad comparators with enhanced precision, speed, and ruggedness for real-time fault detection in power-conversion and control systems.
FAQ
What is the maximum supply voltage rating for LM339PWRG4?
The LM339PWRG4 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 industrial systems and 36 V telecom power rails without external regulation. Operation beyond 36 V risks exceeding safe junction temperature and invalidates parametric guarantees per TI's SLCS006Z datasheet.
Does LM339PWRG4 support rail-to-rail input operation?
Yes, LM339PWRG4 supports common-mode input voltage from ground (0 V) to (VCC – 2 V), and either input can tolerate up to VCC level without damage. This enables direct interfacing with ground-referenced sensors and shunt-based current monitors without level-shifting circuitry - a key advantage over older LM339 variants.
What is the typical propagation delay of LM339PWRG4 at 5 V supply?
The LM339PWRG4 exhibits a typical propagation delay of 1 µs for small-signal transitions (100 mV step, 5 mV overdrive) and 300 ns for TTL-level inputs at 5 V supply and 25°C. This performance is confirmed in Section 6.13 of the SLCS006Z datasheet and enables reliable fault detection in sub-microsecond-critical applications like motor drive protection.
Can LM339PWRG4 outputs drive CMOS logic directly?
LM339PWRG4 outputs are open-collector and require external pull-up resistors to interface with CMOS logic. With a 5 V pull-up, the output sinks up to 21 mA while maintaining VOL ≤ 400 mV - compatible with 5 V CMOS input thresholds. For 3.3 V logic, a 3.3 V pull-up ensures VOL remains below 0.8 V, satisfying VIH/VIL requirements without additional buffering.
Is LM339PWRG4 pin-compatible with legacy LM339 devices?
Yes, LM339PWRG4 is a drop-in replacement for LM339, LM2901, and LM239 in TSSOP-14 packaging. It retains identical pinout, electrical behavior, and footprint per TI's documentation, enabling seamless migration without layout changes - provided the design operates within the extended 2–36 V supply and –40°C to +85°C temperature range.
LM339PWRG4 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-Collector
- Voltage - Supply, Single/Dual (±):
- 2V ~ 30V, ±1V ~ 15V
- :
- 5mV @ 30V
- Voltage - Input Offset (Max):
- 0.25µA @ 5V
- Current - Input Bias (Max):
- 20mA
- Current - Output (Typ):
- 2.5mA
- Current - Quiescent (Max):
- -
- CMRR, PSRR (Typ):
- -
- Propagation Delay (Max):
- -
- Hysteresis:
- 0°C ~ 70°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 14-TSSOP
LM339PWRG4 FAQ
1.How can I place an order for LM339PWRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for LM339PWRG4 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 LM339PWRG4 reliable?
The price and inventory of LM339PWRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM339PWRG4 is usually 5 days.
3.What payment methods are accepted for LM339PWRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM339PWRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM339PWRG4?
LM339PWRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM339PWRG4 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 LM339PWRG4?
For technical support, including LM339PWRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM339PWRG4 requirements.
6.How does Aetrix verify that LM339PWRG4 is sourced from the original manufacturer or authorized distributors?
All LM339PWRG4 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 LM339PWRG4 meets industry standards.
7.What is the process for return or replacement of LM339PWRG4?
All LM339PWRG4 units undergo pre-shipment inspection (PSI). If there is an issue with LM339PWRG4, 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 LM339PWRG4 part is unused and in its original packaging.
Return procedure for LM339PWRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LM339PWRG4 Tags
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