MCP1318T-46LE/OT Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
MCP1318T-46LE/OT is a single-channel voltage supervisor and reset IC from Microchip with a fixed 4.60 V threshold for reliable power monitoring. It provides low/high detection in a tiny SOT-23-5 package drawing minimal quiescent current. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MCP1318T-46LE/OT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6100(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 4.60 V threshold voltage supervisor with no external resistors required, reducing component count
- Single-channel reset IC in a compact SOT-23-5 package occupying minimal board space
- Active-low and active-high reset output options covering both processor and FPGA supervisory needs
- RoHS-compliant e3 lead-free packaging meeting modern environmental compliance requirements
Applications
The MCP1318T-46LE/OT is used to supervise 5 V power rails in embedded processors, FPGAs, and communication modules, asserting a reset signal whenever supply voltage drops below or recovers above the 4.60 V threshold. Its compact SOT-23-5 form factor fits alongside microcontrollers on space-constrained PCBs in industrial controllers and network equipment. Designers also integrate it in automotive accessory modules and smart metering systems where reliable power-on-reset and brownout detection are critical.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-5 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.01mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1V |
| Supply Voltage-Nom (Vsup) | 1.5V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +4.6V |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
At what threshold voltage does MCP1318T-46LE/OT assert a reset signal?
The MCP1318T-46LE/OT monitors the supply rail and asserts its reset output when the voltage falls below or rises above the fixed 4.60 V threshold, ensuring that connected processors and FPGAs remain in reset during brownout or power-cycling events until the rail stabilizes.
How does the SOT-23-5 package of MCP1318T-46LE/OT benefit space-constrained PCB designs?
The SOT-23-5 package occupies approximately 2.9 mm x 1.6 mm, one of the smallest footprints available for a 5-pin supervisor IC. This miniature size allows placement immediately adjacent to the supervised processor without consuming significant routing area on dense multi-layer boards.
Can MCP1318T-46LE/OT replace a voltage divider and comparator circuit for power-rail supervision?
Yes, the device integrates the threshold comparator and reference voltage internally at a fixed 4.60 V, eliminating the need for external resistor dividers and discrete op-amp comparators, which reduces BOM cost, eliminates resistor tolerance errors, and saves board space compared to a discrete supervision circuit.
Is MCP1318T-46LE/OT suitable for automotive accessory applications, and what environmental compliance does it meet?
The MCP1318T-46LE/OT carries the e3 JEDEC lead-free code and RoHS compliance, making it suitable for automotive accessory modules and industrial systems requiring halogen-free, lead-free construction. Its 1-channel supervision function and single fixed 4.60 V trip point suit 5 V automotive accessory rail monitoring.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.8600 | $0.86 |
| 25+ | $0.7100 | $17.75 |
| 100+ | $0.6400 | $64.00 |
| 1000+ | $0.6100 | $610.00 |
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