Overview
The STBP112CVDJ6F from STMicroelectronics is an overvoltage protection device designed to safeguard electronic systems from input voltage surges up to 28 V. This device integrates a low RDS(on) N-channel MOSFET switch, an integrated charge pump, and various protection features to ensure reliable operation. It is particularly suited for low-power handheld devices and other portable electronics, offering a compact, RoHS-compliant 2 x 2 x 0.75 mm TDFN 8-lead package with a thermal pad.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | Up to +28 V |
| RDS(on) | 165 mΩ |
| Maximum Continuous Current | 2 A |
| Thermal Shutdown Threshold | With 20 °C hysteresis |
| Enable Input (EN) | Active low |
| Fault Indication Output (FLT) | Active low, open-drain |
| ESD Protection | ±15 kV air discharge, ±8 kV contact discharge, ±2 kV HBM |
| Package | 2 x 2 x 0.75 mm TDFN 8-lead with thermal pad |
Key Features
- Input overvoltage protection up to 28 V
- Integrated high voltage N-channel MOSFET switch with low RDS(on)
- Integrated charge pump
- Maximum continuous current of 2 A
- Thermal shutdown with 20 °C hysteresis
- Soft-start feature to control inrush current
- Enable input (EN) for device control
- Fault indication output (FLT) for status monitoring
- ESD protection: ±15 kV air discharge, ±8 kV contact discharge, ±2 kV HBM
- Compliance with China Communications Standard YD/T 1591-2006 for overvoltage protection
Applications
- Smart phones
- Digital cameras
- PDA and palmtop devices
- MP3 players
- Low power handheld devices
Q & A
- What is the maximum input voltage the STBP112CVDJ6F can protect against?
The STBP112CVDJ6F can protect against input voltages up to +28 V. - What is the RDS(on) of the integrated MOSFET switch?
The RDS(on) of the integrated MOSFET switch is 165 mΩ. - What is the maximum continuous current the device can handle?
The device can handle a maximum continuous current of 2 A. - Does the STBP112CVDJ6F have thermal shutdown protection?
Yes, the device has thermal shutdown protection with a 20 °C hysteresis. - How does the soft-start feature work?
The soft-start feature prolongs the switch turn-on time to limit inrush current and voltage drop, especially when charging output capacitors. - What is the purpose of the Enable input (EN)?
The Enable input (EN) is used to enable or disable the device; it is an active low logical input. - How does the Fault indication output (FLT) work?
The Fault indication output (FLT) is an active low, open-drain output that provides status information about fault conditions such as overvoltage or thermal shutdown. - What kind of ESD protection does the STBP112CVDJ6F offer?
The device offers ESD protection of ±15 kV air discharge, ±8 kV contact discharge, and ±2 kV HBM. - In what package is the STBP112CVDJ6F available?
The device is available in a 2 x 2 x 0.75 mm TDFN 8-lead package with a thermal pad. - What are some typical applications for the STBP112CVDJ6F?
Typical applications include smart phones, digital cameras, PDA and palmtop devices, MP3 players, and other low power handheld devices.
