STw4810
General Description
The STw4810 is a power-management chip for digital processors or application processors. Ideal for portable applications, it supplies the processor, its memories and peripherals.
In addition, the STw4810 includes an USB-OTG interface compliant with USB 2.0, and level shifters that support the main memory-card standards.
With its very small BGA package, the device is the ideal co;mpanion chip for portable applications, giving enhanced multimedia enjoyment and extended talk time.
Key Features
- 2 step-down DC-DC converters for core and I/O digital devices
- VCORE: 1 to 1.5 V @ 600 mA
- VI/O: 1.8 V @ 600 mA
- 3 low dropout programmable regulators for auxiliary devices
- 1.5, 1.8, 2.5, 2.8 V @ 150 mA
- 1.05, 1.2, 1.3, 1.8 V @ 10 mA
- 2.5 V @ 10 mA
- Complete USB-OTG 2.0 interface
- Full (12 Mbit/s) and low (1.5 Mbit/s) speed transceiver
- USB cable power supply (5 V @ 100 mA)
- 1 LDO (3.1 V @ 40 mA)
-
Car kit compliant (CEA-936-A)
-
Mass-memory storage, 4-bit interface power supply
(1.8, 2.85 or 3 V @ 150 mA) signal shifting functions
- Main market standards supported
- SD Card™
- MultiMediaCards
- Low- and high-speed (52 MHz) MMC
- SDIO™ card
-
I2C control interface
- Processor supply monitoring and reset control
- Packages
- TFBGA84 (6 x 6 x 1.2, 0.5 mm pitch)
- VFBGA84 (4.6 x 4.6 x 1.0, 0.4 mm pitch)
Connection Diagram

Applications
- Cellular phones
- Portable multimedia terminals
- GPS devices
- PDAs and handheld cameras
- Gaming
- Single-cell Li-ion battery powered applications