MCP1316MT-29ME/OT Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
Microchip MCP1316MT-29ME/OT is a single-channel voltage supervisor with a 2.9 V reset threshold, watchdog timer, and reset input in a 5-pin SOT-23 package. It monitors supply rails with 0.174 V maximum threshold accuracy and provides reliable power-on reset and system watchdog for embedded microcontroller designs.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MCP1316MT-29ME/OT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4300(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
- 2.9 V fixed reset threshold for monitoring 3.0 V and 3.3 V supply rails
- Integrated watchdog timer (WDT) for autonomous system recovery
- Single-channel voltage supervisor with adjustable threshold capability
- 0.174 V maximum threshold accuracy for tight supply margin monitoring
- 5-pin SOT-23 package enabling compact board integration
- RoHS-compliant, lead-free (JESD-609 e3) construction
Applications
MCP1316MT-29ME/OT is used in embedded systems, IoT edge devices, and industrial control boards to ensure reliable microcontroller reset at power-on and to recover from software lockups via the watchdog timer. Its compact SOT-23 form factor and precise 2.9 V threshold make it well-suited for 3.3 V microcontroller supply supervision in space-constrained PCB designs.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-5 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Additional Feature | RESET THRESHOLD VOLTAGE IS 2.9V |
| Adjustable Threshold | YES |
| 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 |
| Screening Level | TS 16949 |
| Supply Current-Max (Isup) | 0.01mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1V |
| Supply Voltage-Nom (Vsup) | 3V |
| 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 | +2.9V |
| 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
How accurately does MCP1316MT-29ME/OT detect undervoltage conditions on a 3.3 V supply rail?
MCP1316MT-29ME/OT has a 2.9 V reset threshold with a maximum error of 0.174 V, meaning the reset asserts when the supply drops to 2.9 V ±0.174 V. This tight accuracy prevents false resets and ensures the microcontroller is held in reset until the supply reaches a stable operating level above 2.9 V.
What role does the integrated watchdog timer play in MCP1316MT-29ME/OT for embedded system reliability?
The on-chip watchdog timer in MCP1316MT-29ME/OT automatically resets the microcontroller if firmware fails to toggle the WDT within the programmed timeout window, which is typically measured in milliseconds. This enables autonomous system recovery from software hangs without human intervention in unattended IoT and industrial field devices.
Can MCP1316MT-29ME/OT be used alongside LDO regulators in a 3.3 V rail supervisory circuit?
Yes. With a 2.9 V reset threshold, MCP1316MT-29ME/OT is designed specifically to supervise 3.3 V output rails from LDO regulators, asserting reset when the rail drops below 2.9 V and releasing after the supply stabilizes. Its single-channel single-chip design simplifies the supervisory circuit to just the 5-pin SOT-23 device and minimal passive components.
What is the procurement lead time and lifecycle outlook for MCP1316MT-29ME/OT?
Factory lead time for MCP1316MT-29ME/OT is approximately 6 weeks, with a YTEOL of 9 years indicating active lifecycle support through at least the next decade. Procurement teams can plan standard 6 to 8 week replenishment cycles, and the part's active status reduces the risk of requiring redesign due to obsolescence in the near term.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
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| 25+ | $0.4900 | $12.25 |
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