This document describes an application example of the SMB113 four-channel programmable DC-DC controller. It features digital programming and non-volatile memory for programming major parameters such as output voltage set point, input/battery voltage monitoring, output power-up/down sequencing, digital soft-start and output slew rate, output voltage margining, UV/OV monitoring of all outputs, and independent enable/disable outputs via the I2C interface. It also includes a user-friendly graphical user interface (GUI), four synchronous step-down output channels, an input range of +2.7V to +6.0V, highly accurate reference and output voltage, and low power mode.
The Summit Microelectronics SMB113 is a highly integrated four-channel power manager designed for portable applications such as digital camcorders, mobile phones, and PDAs. It features four synchronous step-down (buck) output channels with digital programming capabilities via an industry standard PC bus interface.
| Input Voltage Range | +2.7V to +6.0V |
|---|---|
| Output Channels | Four synchronous step-down (buck) output channels |
| Output Voltage Accuracy | <0.5% |
| Operating Frequency | 800 kHz |
| Nonvolatile Memory | 96 bytes |
| Package Type | 32-pad QFN-32 |
The device is designed for battery-powered applications with an input range of +2.7V to +6.0V.
The product features four synchronous step-down output channels.
The operating temperature range extends up to +70C.