Fujitsu Microelectronics Develops Mobile WiMAX Chipsets for Mobile Devices
(Top News, 17 Jun 2008)
Fujitsu Microelectronics Ltd (FML) has launched a new mobile WiMAX chipset that includes a baseband LSI, the MB86K22; an RF LSI, the MB86K52; and a power management LSI, the MB39C316, in one 12x12mm module. Optimized for mobile WiMAX devices such as smart phones and PDAs, the chipset features a standby current less than 0.5mA. ¡¡ The MB86K22 is a fully integrated baseband LSI built using Fujitsu Microelectronics' 65nm advanced CMOS low-leakage process technology. The operating power of the MB86K22 has been reduced by 36 percent from the previous generation, and its power-gating technology shuts down the power supply in the unused blocks inside the device, so that the entire mobile WiMAX module consumes only 0.5mA, thereby extending battery life.
The MB86K52 RF LSI, built using CMOS process technology, supports 2.3GHz, 2.5GHz, and 3.5GHzalmost all the frequencies set by the WiMAX Forum. The MB86K52 also supports MIMO and beamforming technology, which is essential for mobile WiMAX Wave 2.
The MB39C316 power management LSI eliminates all the complex and time-consuming power management requirements by accommodating one cell battery. The MB39C316 controls and manages the module's power schemes at the system level, achieving the lowest power consumption at each operation. This design minimizes the peripheral components outside of the module.