
Silicon Mitus unveils a cutting-edge buck-boost converter, the SM5811, boasting exceptional efficiency and versatile functionality. This converter caters to a wide range of applications, including mobile phones, tablets, and various portable devices.
Key features
- Input Voltage Range: 2.5 V to 5.5 V
- Output Voltage Range: 1.8 V to 5.5 V with digitally programmable 25 mV steps
- Default Output Voltage Settings: 3.3 V (VREGSEL= Low), 3.45 V (VREGSEL= High)
- Maximum Load Capability: Up to 2.5 A
- High Efficiency across a broad input voltage and output current spectrum
- Comprehensive Protection Functions: OCP, OVP, OTP, and UVLO
- Low Quiescent Current for energy-efficient operation
- Multiple Operation Modes: Forced PWM, Automatic PFM/PWM Mode Selection
- Output Fast Discharge Function for enhanced performance
- Seamless Step Up and Step Down Mode Transitions
- Dynamic Voltage Scaling (DVS) support for optimized power management
- Programmable Registers via I2C Interface
- Compact 15-Bump WLCSP package with a 0.4 mm pitch
The SM5811 stands out with its capability to handle high currents while maintaining efficiency and low quiescent current levels. Its advanced features include seamless mode transitions, dynamic voltage scaling, and comprehensive protection mechanisms, making it ideal for modern portable electronics.
With an operating temperature range of -40°C to +85°C, the SM5811 ensures reliability even in challenging environments. Its compact WLCSP package further enhances its suitability for space-constrained designs.