MCP1320T-46LE/OT Microchip Integrated Circuit (Other) In Stock
The MCP1320T-46LE/OT is a voltage supervisor and reset IC from Microchip with a fixed 4.6 V threshold, providing a manual reset input and asserting a system reset output when supply voltage drops below the threshold, housed in a 5-pin SOT-23 package for reliable microcontroller reset management in embedded systems.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MCP1320T-46LE/OT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2093(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 4.6 V undervoltage reset threshold for supply monitoring
- Manual reset input for operator or external logic-triggered resets
- Active-low reset output to hold microcontrollers in reset during brownout
- 5-pin SOT-23 package occupying minimal PCB area
- RoHS-compliant lead-free construction with JESD-609 e3 designation
- Simple single-supply operation requiring no external reference components
Applications
The MCP1320T-46LE/OT is used in microcontroller-based embedded systems to ensure orderly startup and brownout recovery by holding the MCU in reset until the 5 V supply stabilizes above the 4.6 V threshold. It is also applied in industrial controllers, automotive accessories, and consumer electronics requiring a guaranteed clean power-on reset with an optional manual reset button.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-5 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Additional Feature | BAT BUP SW:N;MNL RST:Y;OV DET:N;PW FL IP:N;PW FL IO:N;PW FL OP:N;PRG RST DLY:N;UV DET:N;WD:N;WWD:N |
| 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 | Other |
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 supply voltage does MCP1320T-46LE/OT assert a reset signal to protect a microcontroller from brownout?
The MCP1320T-46LE/OT asserts its active-low reset output when the monitored supply voltage drops below the fixed 4.6 V threshold, holding the microcontroller in reset until the supply recovers and stabilizes above 4.6 V plus the hysteresis band to prevent chattering near the threshold.
How does the manual reset input on MCP1320T-46LE/OT work in a front-panel reset button circuit?
The manual reset input is an active-low pin that, when pulled low by a pushbutton or external logic, immediately asserts the reset output regardless of supply voltage level, allowing an operator or external watchdog to force a system restart independently of the voltage supervisor function.
Can MCP1320T-46LE/OT be used in a 5 V microcontroller system and what package makes it easy to add to an existing PCB?
Yes. The MCP1320T-46LE/OT is specifically designed for 5 V systems with its 4.6 V threshold, and the 5-pin SOT-23 package measures approximately 1.6 mm × 2.9 mm, small enough to add to an existing PCB design with minimal routing changes and no additional external components beyond decoupling capacitors.
Is MCP1320T-46LE/OT a cost-effective alternative to discrete reset circuits using comparators and references?
Yes. The MCP1320T-46LE/OT integrates the voltage reference, threshold comparator, and reset timer in a single 5-pin SOT-23 device, replacing at minimum 3 to 4 discrete components and reducing BOM cost and PCB area while providing a factory-trimmed 4.6 V threshold more accurate than most discrete alternatives.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.2093 | $0.21 |
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