Overview
The STM6505WCABDG6F is a voltage supervisor IC from STMicroelectronics, designed to provide advanced reset and power-on reset functionalities. This device is part of the STM6505 series and is packaged in a TDFN-8 format, making it suitable for surface mount applications. It features dual Smart Reset inputs with adjustable setup delays, power-on reset, and low battery detection, making it ideal for various portable electronic devices.
Key Specifications
| Type | Simple Reset/Power On Reset |
|---|---|
| No of Outputs | Dual |
| Threshold Voltage | 1.623 to 1.707 V |
| Supply Voltage-Max | 5.5 V |
| Reset Timeout | 480 ms |
| Output Type | Open Drain |
| No. of Monitors | 1 |
| Supply Current-Max | 3.3 µA |
| Output Voltage | 0.3 V |
| Operating Temp Range | -40°C to +85°C |
| Storage Temperature Range | -55°C to +150°C |
| Package Style | TDFN-8 |
| Mounting Method | Surface Mount |
Key Features
- Dual Smart Reset push-button inputs with extended reset setup delay
- Adjustable Smart Reset setup delay (tSRC) via an external capacitor or three-state logic: tSRC = 2, 6, 10 s (min.)
- Power-on reset
- Single RST output, active-low, open-drain
- Factory-programmable thresholds to monitor VCC in the range of 1.575 to 4.625 V typ.
- Operating voltage 1.0 V (active-low output valid) to 5.5 V
- Low supply current
- Operating temperature: industrial grade –40 °C to +85 °C
- TDFN8 package: 2 mm x 2 mm x 0.75 mm
- RoHS compliant
- Independent low battery detect (BLD) output controlled by the secondary external input voltage VBAT
Applications
- Mobile phones, smartphones
- e-books
- MP3 players
- Games
- Portable navigation devices
- Any application that requires delayed reset push-button(s) response for improved system stability
Q & A
- What is the primary function of the STM6505WCABDG6F?
The primary function is to provide advanced reset and power-on reset functionalities with dual Smart Reset inputs and adjustable setup delays.
- What is the package style of the STM6505WCABDG6F?
The package style is TDFN-8, suitable for surface mount applications.
- What is the operating temperature range of the STM6505WCABDG6F?
The operating temperature range is –40 °C to +85 °C.
- How is the Smart Reset setup delay adjusted in the STM6505WCABDG6F?
The Smart Reset setup delay (tSRC) can be adjusted via an external capacitor connected to the SRC pin or through three-state logic.
- Does the STM6505WCABDG6F have low battery detection capabilities?
- What is the maximum supply voltage for the STM6505WCABDG6F?
The maximum supply voltage is 5.5 V.
- Is the STM6505WCABDG6F RoHS compliant?
- What types of devices typically use the STM6505WCABDG6F?
It is used in mobile phones, smartphones, e-books, MP3 players, games, and portable navigation devices.
- How does the STM6505WCABDG6F prevent unwanted system resets?
The device implements an extended Smart Reset input delay (tSRC) that ignores switch closures shorter than the set delay, preventing unwanted resets.
- What is the typical threshold voltage range for VCC monitoring in the STM6505WCABDG6F?
The threshold voltage range for VCC monitoring is 1.575 to 4.625 V typ.
