Power Management Devices

Power Management solutions from Lattice deliver highly accurate, flexible, and low cost solutions for power supply and processor/DSP management. By integrating a versatile PLD core with Analog-to-Digital (ADC) converter, Digital-to-Analog Converters (DAC), differential sense analog monitors, I2C communication, and in-system programmability (isp), Lattice power management devices increase board reliability, decrease component count, and help cut costs. Three power management families: ProcessorPM, Power Manager II, and Power Manager address a variety of applications – all in a single low-cost chip.

Processor Power Management

• ProcessorPM - POWR605 is a general-purpose power-supply monitor, reset generator and watchdog timer, solution in non-volatile E²CMOS technology. The ProcessorPM is delivered with a default configuration to handle most processor (DSP, FPGA, and ASIC) monitor, reset, and timer management scenarios. No additional programming is required. See example applications in the ProcessorPM - POWR605 Product Brochure.

Board-Level Power Management

• Power Manager II devices are the second generation of the Power Manager family. They contain precision threshold comparators for monitoring power supplies for faults, a 10-bit Analog-to-Digital (ADC) converter for measuring power supply voltages, Digital-to-Analog Converters (DAC) to control power supply output voltages, programmable logic to intel­ligently control power supply sequencing and generation of supervisory signals, programmable timers for controlling the speed of the power supply turn on/off process, charge pumped drivers for driving n-Channel MOSFETs, digital inputs for controlling and monitoring system-level signals, and an I2C interface. See example applications in the Power Manager II and ispClock Application Examples Brochure.
  • POWR1220AT8 monitors up to 12 circuit board power supplies, provides up to 20 open-drain digital outputs, and 8 trim/margin outputs. Offers a highly integrated solution for power supply monitoring, trimming and voltage measurement.
  • POWR1014/A monitors up to 10 circuit board power supplies and provides up to 14 open-drain digital outputs. Integrates power-supply monitoring and sequence control. 
  • POWR6AT6 margin and trim up to 6 power supplies.
  • POWR607 monitors up to 6 circuit board power supplies and provides up to 7 open-drain digital outputs. 

* - Used on -48V Rail

Power Manager II & ProcessorPM Device Family Selector Guide

Family	Power Manager II				ProcessorPM
Parameter	POWR1220AT8	POWR1014/A	POWR6AT6	POWR607	POWR605
Number of Analog Input Pins	12	10	6	6	6
Number of Programmable Threshold Comparators	24	20	-	6	6
Trip Points Per Input	368	368	-	192	192
Typical Precision	0.20%	0.30%	-	0.50%	0.50%
Lowest Supply Voltage Monitored	0.67V	0.67V	-	0.67V	0.67V
Power-Off Detection	75 mV	75 mV	-	75 mV	75 mV
Number of CPLD Macrocells	48	24	-	16	16
Number of Outputs	20 & 8 trim outputs	14	6 trim outputs	7	5
Number of FET Drivers	4	2	-	2	-
Number of Trim Outputs (DACs)	8	None	6	-	-
ADC Support	Yes (10 bit)	Yes (10 bit) *	Yes (10 bit)	No	No
I2C Interface	Yes	Yes	Yes	No	No
Operating Voltage	2.8V to 3.9V	2.8V to 3.9V	2.8V to 3.9V	2.6V to 3.9V	2.6V to 3.9V
Package	100-pin TQFP	48-pin TQFP	32-pin QFN	32-pin QFN	24-pin QFN

* - ispPAC-POWR1014A Only

• Power Manager devices are Lattice's first generation of fully-programmable power management devices specifically designed for power supply sequencing and monitoring of various power supplies.
  
  • POWR1208P1 upgraded POWR1208 with improved precision and trip-point resolution.  
    
  • POWR1208 monitors up to 12 power supplies and provides 8 digital outputs for power supply sequencing.
  • POWR604 monitors up to 6 power supplies and provides 4 digital outputs for power supply sequencing.