MCP112 - Uncategorized Microchip - Free user manual and instructions
Find the device manual for free MCP112 Microchip in PDF.
Pick your language and provide your email: we'll send you a specifically translated version.
| Type of product | Voltage supervisor / reset generator integrated circuit |
| Brand | Microchip |
| Model | MCP112 |
| Package type | SOT-23, TO-92, or SC-70 (depending on variant) |
| Dimensions (typical SOT-23) | 2.9 mm × 1.3 mm × 1.1 mm |
| Weight (typical) | 0.008 grams (SOT-23 package) |
| Supply voltage range | 1.0 V to 5.5 V DC |
| Supply current | 1 µA (typical, at 5.5 V) |
| Threshold voltage options | Available in 1.6 V, 2.0 V, 2.9 V, 3.1 V, 4.4 V (typical) |
| Reset output type | Active-low output (open-drain or push-pull depending on suffix) |
| Reset timeout period | 350 ms (typical) |
| Operating temperature range | -40 °C to +125 °C |
| Main functions | Monitors supply voltage and asserts reset signal during power-up, power-down, and brown-out conditions |
| Application areas | Microcontrollers, digital systems, embedded controllers, automotive and industrial electronics |
| Mounting style | Surface mount (SMD) or through-hole (depending on package) |
| Maintenance and cleaning | No regular maintenance required; keep terminals clean and avoid electrostatic discharge during handling |
| Safety precautions | Handle with ESD protection; operate within specified voltage and temperature ratings |
| Spare parts and repairability | Component is not user-serviceable; replace entire IC if faulty, ensure proper soldering and PCB layout |
| General information | RoHS compliant; hysteresis options available for noise immunity |
Frequently Asked Questions - MCP112 Microchip
What is the MCP112 voltage supervisor used for?
The MCP112 is a voltage supervisor that monitors the supply voltage of a microcontroller or digital system. It asserts a reset signal when the voltage drops below a preset threshold, preventing erratic operation.
How do I choose the correct threshold voltage variant of the MCP112?
Select a threshold voltage slightly below the minimum operating voltage of your system. For example, if your microcontroller operates down to 2.7 V, choose a variant with a threshold around 2.9 V to ensure reliable reset generation.
What is the reset timeout period of the MCP112?
The typical reset timeout is 350 ms. This delay ensures that the supply voltage has stabilized before the processor starts executing instructions.
Can the MCP112 be used with a 3.3 V or 5 V system?
Yes, the MCP112 supports supply voltages from 1.0 V to 5.5 V, making it compatible with both 3.3 V and 5 V systems, as long as the threshold variant matches your requirements.
What is the difference between open-drain and push-pull reset outputs?
An open-drain output requires an external pull-up resistor and can be used to share a reset line with other devices. A push-pull output actively drives both high and low, eliminating the need for a pull-up resistor.
How should I connect the MCP112 to my microcontroller?
Connect the MCP112 VDD to the monitored supply rail, GND to ground, and the reset output to the microcontroller's reset or MCLR pin. Ensure proper decoupling capacitors on the power supply.
Can the MCP112 be used in battery-powered devices?
Yes, its ultra-low supply current of 1 µA makes it ideal for battery-powered applications, as it adds negligible power consumption.
What are the typical applications for the MCP112?
Typical applications include microprocessor reset circuits, power-on reset generation, brown-out detection, and system voltage monitoring in automotive, industrial, and consumer electronics.
How do I handle and solder the MCP112 to avoid damage?
Use ESD-safe practices, such as grounding your work surface and wearing a wrist strap. Follow standard reflow soldering profiles for SMD packages, keeping peak temperatures within the component's rating.
Is the MCP112 RoHS compliant?
Yes, the MCP112 is RoHS compliant, meaning it meets the EU directive restricting hazardous substances in electrical and electronic equipment.
User questions about MCP112 Microchip
0 question about this device. Answer the ones you know or ask your own.
Ask a new question about this device
No questions yet. Be the first to ask one.
Download the instructions for your Uncategorized in PDF format for free! Find your manual MCP112 - Microchip and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. MCP112 by Microchip.
USER MANUAL MCP112 Microchip
Manual assistant
Powered by Anthropic
Waiting for your message
Product information
Brand : Microchip
Model : MCP112
Category : Uncategorized