STMPS2262TTR

Product Overview

• Category: Power Management IC
• Use: Voltage Supervisor and Reset Generator
• Characteristics: Low-power, high-accuracy, small package size
• Package: TSSOP-14
• Essence: Ensures reliable power supply and system reset in electronic devices
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, 4.63V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The STMPS2262TTR has a total of 14 pins arranged as follows:

1. VDD: Supply voltage input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Active-low reset output
5. RST: Reset timeout period selection pin
6. VTH: Reset threshold voltage selection pin
7. NC: No connection
8. NC: No connection
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the selected threshold voltage.
• Provides manual reset capability through the MR pin.
• Offers flexibility in selecting the reset threshold voltage and timeout period.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - High accuracy in monitoring the supply voltage. - Small package size allows for space-efficient designs. - Wide operating voltage range enables compatibility with various systems. - Low-power operation prolongs battery life in portable devices.

Disadvantages: - Limited number of reset threshold voltage and timeout period options. - No built-in protection features against voltage spikes or transients.

Working Principles

The STMPS2262TTR operates by continuously monitoring the supply voltage. When the voltage falls below the selected threshold, it triggers the reset signal, which can be used to initiate system reset or other necessary actions. The manual reset input (MR) allows for external control over the reset function. The device consumes low power during normal operation, making it suitable for battery-powered applications.

Detailed Application Field Plans

The STMPS2262TTR is widely used in various electronic devices that require reliable power supply monitoring and system reset functionality. Some common application fields include:

1. Consumer Electronics: Smartphones, tablets, digital cameras
2. Industrial Automation: Programmable logic controllers, motor control systems
3. Automotive: Infotainment systems, engine control units
4. Medical Devices: Patient monitoring equipment, diagnostic devices
5. Internet of Things (IoT): Wearable devices, smart home automation

Detailed and Complete Alternative Models

1. MAX809: Voltage supervisor with adjustable reset threshold and timeout options.
2. TPS3839: Ultra-low-power voltage supervisor with wide supply voltage range.
3. LTC2937: Dual-supply monitor with programmable reset thresholds and watchdog timer.
4. ADM6316: Microprocessor supervisory circuit with manual reset input and watchdog timer.

These alternative models offer similar functionality to the STMPS2262TTR and can be considered based on specific application requirements.

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