Overview
The MC33164DM-5R2G is a micropower undervoltage sensing circuit designed by onsemi. This device is specifically tailored for use as a reset controller in portable microprocessor-based systems, particularly where extended battery life is crucial. It features a bandgap reference, a comparator with precise thresholds, and built-in hysteresis to prevent erratic reset operations. The MC33164DM-5R2G is packaged in an 8-pin Micro8 surface mount package, making it suitable for compact and efficient system designs.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Power Input Supply Voltage | Vin | -1.0 | 12 | V | |
| Reset Output Voltage | VO | -1.0 | 12 | V | |
| Reset Output Sink Current | ISink | 6.0 | mA | ||
| Operating Input Voltage Range | Vin | 1.0 | 10 | V | |
| Quiescent Input Current (Vin = 5.0 V) | Iin | 12 | 32 | μA | |
| Operating Ambient Temperature Range | Ta | -40 | 125 | °C | |
| Package Type | Micro8 |
Key Features
- Temperature Compensated Reference: Ensures stable operation across a range of temperatures.
- Precise Comparator Thresholds: Guaranteed over temperature to maintain reliable reset operations.
- Comparator Hysteresis: Prevents erratic reset operations by providing a stable threshold.
- Reset Output Capable of Sinking in Excess of 6.0 mA: Supports various load requirements.
- Internal Clamp Diode for Discharging Delay Capacitor: Facilitates smooth reset operations.
- Guaranteed Reset Operation With 1.0 V Input: Ensures functionality even at low input voltages.
- Extremely Low Standby Current: As low as 9.0 μA, contributing to extended battery life.
- Pb-Free and RoHS Compliant: Meets environmental and regulatory standards.
Applications
The MC33164DM-5R2G is suitable for a variety of applications, including:
- Portable Microprocessor-Based Systems: Ideal for systems requiring low power consumption and reliable reset functionality.
- Appliance, Automotive, Consumer, and Industrial Equipment: Monitors 3.0 V or 5.0 V power supplies used in these sectors.
- Solar Powered Battery Chargers: Can be used to protect against low voltage conditions in solar-powered systems.
- MOSFET Low Voltage Gate Drive Protection: Prevents overheating of logic level power MOSFETs due to insufficient gate voltage.
Q & A
- What is the primary function of the MC33164DM-5R2G?
The MC33164DM-5R2G is an undervoltage sensing circuit designed to act as a reset controller in microprocessor-based systems.
- What is the operating input voltage range of the MC33164DM-5R2G?
The operating input voltage range is from 1.0 V to 10 V.
- What is the quiescent input current of the MC33164DM-5R2G at 5.0 V input?
The quiescent input current is typically 12 μA at 5.0 V input.
- What type of package does the MC33164DM-5R2G come in?
The device is packaged in an 8-pin Micro8 surface mount package.
- Is the MC33164DM-5R2G Pb-Free and RoHS compliant?
- What is the maximum reset output sink current of the MC33164DM-5R2G?
The reset output can sink in excess of 6.0 mA.
- What is the purpose of the internal clamp diode in the MC33164DM-5R2G?
The internal clamp diode is used for discharging the delay capacitor, ensuring smooth reset operations.
- What are some common applications of the MC33164DM-5R2G?
Common applications include portable microprocessor-based systems, appliance, automotive, consumer, and industrial equipment, as well as solar powered battery chargers and MOSFET low voltage gate drive protection.
- What is the operating ambient temperature range of the MC33164DM-5R2G?
The operating ambient temperature range is from -40°C to 125°C.
- Does the MC33164DM-5R2G have built-in hysteresis to prevent erratic reset operations?
