MCP6542-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock

Name: MCP6542-I/SN
Brand: Microchip
SKU: MCP6542-I/SN
Availability: InStock

MCP6542-I/SN is a dual push-pull output comparator in an 8-pin SOIC package, featuring 0.1 nA maximum input bias current and open-drain-free push-pull outputs. It operates from 1.8V to 5.5V and is optimized for low-power embedded applications. Available from stock worldwide with competitive pricing.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

MCP6542-I/SNSmall Outline Packages

Quick Facts

Manufacturer: Microchip
Package: Small Outline Packages
Pin Count: 8
Lifecycle: ACTIVE
Datasheet: MCP6542-I/SN Datasheet PDF
Category: Integrated Circuit
Price: From $0.3421(MOQ 1)
Temp Range: -40.0°C to 85.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of MCP6542-I/SN?

Dual comparator with push-pull output for direct logic interfacing
Ultra-low 0.1 nA maximum input bias current
Wide supply range from 1.8V to 5.5V
No pull-up resistor required due to push-pull output stage
8-pin SOIC package with standard 3.9mm body width
7 mV maximum input offset voltage for threshold accuracy

What is MCP6542-I/SN used for?

MCP6542-I/SN is used in battery management circuits, window detector thresholds, and low-power wake-up circuits where its push-pull output eliminates the pull-up resistor required by open-drain comparators, saving components and power. Its ultra-low 0.1 nA bias current makes it ideal for voltage monitoring in high-impedance battery cell balancing and supercapacitor management systems. The dual-channel configuration in a single SOIC-8 package handles two independent threshold comparisons such as over-voltage and under-voltage lockout in a compact BMS front-end.

What are the specifications of MCP6542-I/SN?

Pbfree Code	Yes
Manufacturer Package Code	SOIC-8
Factory Lead Time	6Weeks
YTEOL	8
Amplifier Type	COMPARATOR
Average Bias Current-Max (IIB)	0.0001 µA
Input Offset Voltage-Max	7000 µV
JESD-30 Code	R-PDSO-G8
JESD-609 Code	e3
Number of Functions	2
Output Type	PUSH-PULL
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SOP8,.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	0.002mA
Supply Voltage Limit-Max	7V
Supply Voltage-Nom (Vsup)	5V
Surface Mount	YES
Technology	CMOS
Temperature Grade	INDUSTRIAL
Terminal Finish	Matte Tin (Sn)
Terminal Form	GULL WING
Terminal Pitch	1.27mm
Terminal Position	DUAL
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 MCP6542-I/SN datasheet?

MCP6542-I/SN Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for MCP6542-I/SN?

Compatible alternatives and drop-in replacements for MCP6542-I/SN:

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Frequently Asked Questions

How does MCP6542-I/SN's push-pull output differ from open-drain comparators, and what design benefit does this provide?

MCP6542-I/SN's push-pull output actively drives both logic high and logic low states without requiring an external pull-up resistor. Open-drain comparators need a pull-up resistor typically valued from 10 kΩ to 100 kΩ, which consumes static current; eliminating it reduces standby power by up to 500 µA on a 5V rail, a meaningful saving in always-on battery monitoring applications.

What is the input bias current of MCP6542-I/SN, and how does this impact high-impedance threshold detector designs?

MCP6542-I/SN specifies a maximum input bias current of 0.1 nA (100 pA), allowing use of resistor divider networks up to 10 MΩ without introducing more than 1 mV of threshold error. This enables battery voltage dividers with sub-microamp quiescent current in IoT nodes and medical implant monitors where every nanoamp matters.

Can MCP6542-I/SN be used in a 3.3V microcontroller system, and what supply voltage does it require?

Yes. MCP6542-I/SN operates from 1.8V to 5.5V, so it runs directly from a 3.3V rail with full push-pull output swing from 0V to 3.3V, providing clean TTL-compatible logic levels to a microcontroller GPIO without any level-shifting. The same part also works in 5V analog systems, covering a broad range of embedded designs with a single stock item.

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AvailabilityIn Stock

Reference Price (USD)

From $0.3421

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$0.6200	$0.62
25+	$0.5200	$13.00
75+	$0.4887	$36.65
100+	$0.4700	$47.00
250+	$0.3910	$97.75
500+	$0.3421	$171.05

pcs

Unit price: $0.6200 · Total: $0.62

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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MCP6542-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock

What are the key features of MCP6542-I/SN?

What is MCP6542-I/SN used for?

What are the specifications of MCP6542-I/SN?

Compliance & Regulatory

Where can I find the MCP6542-I/SN datasheet?

What are equivalent replacements for MCP6542-I/SN?

Frequently Asked Questions

How does MCP6542-I/SN's push-pull output differ from open-drain comparators, and what design benefit does this provide?

What is the input bias current of MCP6542-I/SN, and how does this impact high-impedance threshold detector designs?

Can MCP6542-I/SN be used in a 3.3V microcontroller system, and what supply voltage does it require?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Microchip

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