Overview
The STM6519AHARUB6F, produced by STMicroelectronics, is a single-pin, push-button Smart Reset IC designed to provide a safe, convenient, and intuitive means of resetting electronic devices. This component is particularly useful in portable consumer devices such as mobile phones, smartphones, PDAs, and media players. The STM6519 features a low supply current, integrated test mode, and a flexible reset setup delay, making it an efficient and reliable solution for device reset needs.
Key Specifications
| Parameter | Description | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Operating Voltage Range | VCC | 2.0 | - | 5.5 | V |
| Supply Current | ICC | 0.4 | 1.0 | - | µA |
| Smart Reset Delay (tSRC) | - | 0.5 s to 10 s in 0.5 s steps | - | - | s |
| Reset Output Pulse Duration (tREC) | Factory-programmed | 0.85 | 1.28 | 1.71 | ms |
| Operating Temperature | TA | -40 | - | 85 | °C |
| Package Type | UDFN6 | - | - | - | - |
| Internal Input Pull-up Resistor on SR | RPUI | - | 65 kΩ | - | kΩ |
| Internal Output Pull-up Resistor on RST | RPUO | - | 65 kΩ | - | kΩ |
Key Features
- Low Supply Current: The STM6519 operates with a low supply current of 1 µA, making it energy-efficient.
- Integrated Test Mode: The device includes an integrated test mode for easy testing and validation.
- Single Smart Reset Input: Features a single Smart Reset input with a fixed extended reset setup delay (tSRC) from 0.5 s to 10 s in 0.5 s steps.
- Flexible Reset Output: The reset output (RST) can be configured as active-low or active-high, open drain or push-pull, with optional internal pull-up resistor.
- High Glitch Immunity: The device offers high glitch immunity and user feedback regarding entry into test mode.
- ECOPACK®2 Compliance: The component is RoHS compliant and halogen-free, meeting environmental requirements.
Applications
- Mobile Phones and Smartphones: Ideal for resetting mobile devices efficiently.
- PDAs and Media Players: Suitable for use in various portable consumer electronics.
- Other Portable Devices: Can be used in any device requiring a reliable and user-friendly reset mechanism.
Q & A
- What is the operating voltage range of the STM6519AHARUB6F?
The operating voltage range is from 2 V to 5.5 V.
- What is the typical supply current of the STM6519AHARUB6F?
The typical supply current is 1 µA.
- How is the Smart Reset delay (tSRC) configured?
The Smart Reset delay (tSRC) is factory-programmable and ranges from 0.5 s to 10 s in 0.5 s steps.
- What are the options for the reset output (RST)?
The reset output can be configured as active-low or active-high, open drain or push-pull, with optional internal pull-up resistor).
- How does the test mode work on the STM6519AHARUB6F?
The device enters test mode by pulling the SR input up to VTEST (VCC + 1.4 V) or above. This mode provides feedback and allows for shortened test cycles).
- What is the operating temperature range of the STM6519AHARUB6F?
The operating temperature range is from -40 °C to 85 °C).
- What package type is the STM6519AHARUB6F available in?
The component is available in a UDFN6 package).
- Is the STM6519AHARUB6F RoHS compliant?
Yes, the component is RoHS compliant and halogen-free, meeting ECOPACK®2 environmental standards).
- What are the typical applications of the STM6519AHARUB6F?
The component is typically used in mobile phones, smartphones, PDAs, and other portable consumer electronics).
- How does the internal pull-up resistor on the SR input work?
The internal pull-up resistor on the SR input is optional and has a value of 65 kΩ).
