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APPLICATIONS

o ecommunications
o Low voltage, high density systems
utilizing d-pwer TM Digital
Intermediate Bus Architectures
o Broadband, networking, optical, and
wireless communications systems
o Industrial computing, servers, and
storage applications

BENEFITS

 Eliminates the need for external
power management components
 Communicates with the host system
via the industry standard I 2 C
communication bus
 Reduces board space, system cost,
complexity, and time to market

FEATURES

 RoHS compliant for all six substances
 Compatible with both lead-free and standard reflow processes
 Programs, controls, and manages up to 32 independent dPOL converters
via an industry standard I 2 C interface (both 100kHz and 400kHz)
 JTAG IEEE 1149.1 compliant programming interface
 Controls and monitors industry standard power supplies and other
peripheral devices (fans, etc)
 Programs output voltage, protections, optimal voltage positioning, turn-on
and turn-off delays and slew rates, switching frequency, interleave (phase
shift), and feedback loop compensation of the d-pwer TM POL converters
 User friendly GUI interface for programming, monitoring, and performance
simulation
 Four independent OK lines for flexible fault management and fast fault
propagation
 Four interrupt inputs with programmable hot swap support capabilities
Intermediate bus voltage monitoring and protection
AC Fail input
 Non-volatile system configuration data memory
1K Byte of user accessible non-volatile memory
Control of industry standard DC-DC front ends
Crowbar output to trigger the optional crowbar protection
 Run-time counter
Small footprint semiconductor industry standard QFN64 package: 9x9mm
Wide industrial operating temperature range

DESCRIPTION

Power-One’s point-of-load converters are recommended for use with regulated bus converters in an Intermediate Bus Architecture
(IBA). The DM73XX is a fully programmable digital power manager that utilizes the industry-standard I 2 C communication bus
interface to control, manage, program and monitor up to 32 dP-series POL converters and 4 independent power devices. The
DM73XX compley eliminates the need for external components for power management and programming and monitoring of the
d-pwer TM POL converters and other industry standard power and peripheral devices. Parameters of the DM73XX are programmable
via the I 2 C bus and can be changed by a user at any time during product development and deployment.