MCP6544-E/SL Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP6544-E/SL is a quad rail-to-rail input/output comparator operating from 1.6 V to 5.5 V supply, with 5 nA maximum bias current, 7000 µV input offset voltage, and open-drain outputs in a RoHS-compliant 14-pin SOIC package. From $1.20 in stock worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- MCP6544-E/SL Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3300(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP6544-E/SL?
- Quad comparator with rail-to-rail input and output (RRIO) spanning 1.6 V to 5.5 V supply range, enabling direct interfacing with 1.8 V, 3.3 V, and 5 V logic systems without level shifting
- Ultra-low input bias current of 5 nA maximum allows accurate threshold detection from high-impedance signal sources such as resistive dividers and sensor bridges without loading effects
- Four independent comparator channels in a single 14-pin SOIC-14 package reduce PCB area and component count compared to four discrete single-comparator ICs
What is MCP6544-E/SL used for?
The MCP6544-E/SL is used in battery-powered systems, industrial sensors, and mixed-voltage digital logic designs where multiple voltage threshold detection points are needed from a single compact device. Its 1.6 V to 5.5 V supply range allows it to operate directly from single-cell Li-ion, 3.3 V, and 5 V system rails without additional supply conditioning. The quad channel integration makes it particularly efficient in data acquisition front-ends, window comparator circuits, and battery management systems requiring multiple voltage monitoring channels.
What are the specifications of MCP6544-E/SL?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-14 |
| Factory Lead Time | 26Weeks |
| YTEOL | 8 |
| Amplifier Type | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.005 µA |
| Input Offset Voltage-Max | 7000 µV |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Number of Functions | 4 |
| Output Type | PUSH-PULL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Response Time-Nom | 4000ns |
| Supply Current-Max | 0.001mA |
| Supply Voltage Limit-Max | 7V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Thailand |
Where can I find the MCP6544-E/SL datasheet?
MCP6544-E/SL Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP6544-E/SL?
Compatible alternatives and drop-in replacements for MCP6544-E/SL:
Comparator, 4 Func, 7000uV Offset-Max, 4000ns Response Time, CMOS, PDSO14
Frequently Asked Questions
How does the MCP6544-E/SL's 1.6 V to 5.5 V supply range enable use in mixed-voltage board designs?
The MCP6544-E/SL operates from supply voltages as low as 1.6 V up to 5.5 V, allowing it to be powered directly from 1.8 V, 2.5 V, 3.3 V, or 5 V system rails without voltage translation. This single device can interface with both 3.3 V microcontroller logic and 5 V analog sensing rails simultaneously, simplifying mixed-supply designs where threshold detection must span multiple voltage domains within the 1.6 V to 5.5 V operating range.
What impact does the MCP6544-E/SL's 7000 µV input offset voltage have on a precision threshold detection circuit?
A 7000 µV (7 mV) maximum input offset voltage means the comparator may trigger up to 7 mV above or below the programmed threshold resistor divider voltage, introducing a switching uncertainty band of ±7 mV around the nominal trip point. For a 3.3 V supply with a 1.65 V midpoint threshold, this represents a 0.42% accuracy error, which is acceptable for general-purpose digital logic level detection but may require trimming or a tighter-offset comparator for battery voltage monitoring requiring better than 1% accuracy.
How does the quad-channel architecture of the MCP6544-E/SL benefit a multi-cell battery monitoring design?
In a 4-cell battery stack, the 4 independent comparators in the MCP6544-E/SL can simultaneously monitor each cell's voltage against an under-voltage threshold of approximately 2.5 V or over-voltage threshold of 4.2 V, replacing 4 discrete single comparators with a single 14-pin SOIC. Each of the 4 open-drain outputs can directly drive a microcontroller interrupt pin or LED indicator without additional buffering, reducing the cell voltage monitoring circuit to the MCP6544 plus 8 resistors.
When is the MCP6544-E/SL a better procurement choice than four individual single-comparator ICs like the MCP6541?
The MCP6544-E/SL consolidates 4 comparators into one 14-pin SOIC package, reducing the component count from four 5-pin SOT-23 packages to a single device, which cuts placement operations, reduces PCB footprint by approximately 60%, and simplifies inventory to a single line item. For production volumes above 1000 units, the quad package also reduces placement cost and solder joint count from 20 joints (4 × 5-pin) to 14 joints, improving assembly yield in automated SMT lines.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.3300 | $0.33 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit