MCP130-475I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP130-475I/SN is a voltage supervisor and reset IC with a 4.75 V threshold, active-low reset output, and integrated 5 kΩ pull-up resistor in an SOIC-8 package. It monitors supply rails and holds the MCU in reset during brownout conditions. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP130-475I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2300(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 4.75 V fixed threshold monitors a 5 V supply rail and asserts active-low reset during undervoltage or brownout events
- Integrated 5 kΩ pull-up resistor on the reset pin simplifies design by eliminating an external pull-up component
- Single-channel SOIC-8 voltage supervisor with Pb-free construction for reliable MCU power-on reset in industrial equipment
Applications
The MCP130-475I/SN provides reliable power-on reset and brownout protection for 5 V microcontroller systems in industrial control panels, point-of-sale terminals, and embedded consumer electronics where supply glitches could corrupt program execution or non-volatile memory. Its active-low open-drain reset output directly drives standard MCU reset pins without level translation, simplifying schematic design in 5 V logic systems. The fixed 4.75 V threshold ensures the processor is held in reset until the supply is fully established, preventing spurious code execution during power ramp-up.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 13Weeks |
| YTEOL | 8 |
| Additional Feature | MNL RST:N;PW FL IO:N;PRG RST DLY:N;WD:N;WDO:N;WWD:N |
| Adjustable Threshold | NO |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.06mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1V |
| 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 |
| Threshold Voltage-Nom | +4.63V |
| Package | Small Outline Packages |
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 | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
At what supply voltage does MCP130-475I/SN assert its active-low reset output, and how long does it hold reset?
The MCP130-475I/SN asserts its active-low reset output when the monitored supply drops below 4.75 V and holds the reset signal active until the supply recovers above the threshold with an internal reset timeout delay, preventing premature microcontroller startup during slow power ramp-up conditions.
Does the MCP130-475I/SN require an external pull-up resistor on the reset line, and why does this simplify PCB design?
The MCP130-475I/SN integrates a 5 kΩ pull-up resistor internally, so no external pull-up component is required on the reset line. This saves one resistor per reset circuit on the PCB, simplifies the schematic, and reduces the risk of mismatched pull-up values causing slow reset rise times in noise-sensitive industrial applications.
Which microcontroller families can MCP130-475I/SN directly reset without additional level-shifting circuitry?
The MCP130-475I/SN active-low open-drain reset output is directly compatible with 5 V PIC, AVR, and 8051 microcontrollers that have active-low reset pins with CMOS-compatible input thresholds, allowing direct connection with no level-shifting in single 5 V supply systems operating in the -40°C to +125°C temperature range.
How does MCP130-475I/SN compare to using a simple RC circuit for power-on reset in a 5 V MCU design?
Unlike an RC reset circuit whose delay varies with supply ramp rate and component tolerances, the MCP130-475I/SN provides a precise 4.75 V threshold detection and a defined minimum reset pulse width that is independent of how slowly or quickly the supply ramps, ensuring reliable reset assertion across all operating conditions without requiring component value optimization for different PCB revisions.
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