ZMD AG (ZMDI) has released the ZSPM1504, a single-phase true-digital power controller optimized for powering system-on-chip (SOC) supplies in embedded computing applications. The ZSPM15xx family features ZMDI’s Sub-cycle Response™ (SCR) technique to drive the digital pulse width modulation (DPWM) asynchronously during load transients. This enables the controller to minimize the output voltage deviation and allow the output capacitors to recharge faster. It permits the SOC to perform at peak performance even under a highly dynamic power load.
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The ZSPM1504 is pre-configured to provide customers with a fast time-to-market and easy-to-design solution for high-performance, digitally controlled power supplies with one of ZMDI’s integrated MOSFET power stage DrMOS products: the ZSPM9000, ZSPM9010, ZSPM9015 or ZSPM9060. The ZSPM1504 controller’s flexible design allows users to easily select the over-current protection limit, output voltage rise time and control loop compensation via two external resistors to achieve the highest performance in their application. As a global supplier of analog and mixed-signal solutions for automotive, industrial, medical, information technology and consumer applications, ZMDI is introducing the ZSPM1504 to expand its energy-efficient Power Management ICs product line for pre-designed, smart point-of-load (POL) solutions in embedded computing applications.
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“Embedded computing solutions require an ultra-compact solution with a fast transient load response to meet the performance needs of SOCs,” said Hensen Wong, Product Marketing Manager of the Power Management Division at ZMDI. “ZMDI is able to provide customers with a high performing digital power solution, fast time-to-market, streamlined bill of materials (BOM) and PCB layout files.”
Features of this new digital controller include: Ultra-fast transient response under dynamic loads; Faster time-to-market with tested and ready POL solutions for up to 30A loads; Factory pre-configured with the industry standard voltage of 1.5V; Enhanced performance with ZMDI’s integrated MOSFET power stage DrMOS products including the ZSPM9000, ZSPM9010, ZSPM9015 or ZSPM9060; High power density in a 4 x 4 mm QFN24 package footprint; Selectable over-current limit protection, output voltage slew rate and control loop compensation; Full feature set for fault protection; Operating temperature range of -40 to +125 degrees C; and operation from a single 5V supply voltage. The ZSPM1504 product family is in full production. Parts and evaluation kits are available from ZMDI. For 1,000 pieces, the products are priced at EUR 0.87 or USD $1.22 per unit.
source: http://www.powerpulse.net/story.php?storyID=31406
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