ISPPAC-POWR1208

www.DataSheet4U.com ispPAC-POWR1208 In-System Programmable Power Supply Sequencing Controller and Monitor January 2004 Data Sheet ® Features ■ Monitor and Control Multiple Power Supplies Simultaneously monitors up to 12 power supplies Sequence controller for power-up conditions Provides eight output control signals Programmable digital and analog circuitry Application Block Diagram -48V Primary + DC/DC + Supply Gnd +5V RG +3.3V + + DC/DC Supply Gnd +2.5V RG + DC/DC Supply Gnd +1.8V RG 12 Analog Inputs 10uF VDD VDDINP VMON1 HVOUT1 VMON2 HVOUT2 VMON3 HVOUT3 VMON4 HVOUT4 VMON5 OUT5 VMON6 ispPAC-POWR1208 OUT6 VMON7 OUT7 VMON8 OUT8 Power Sequence VMON9 Comp1 Controller VMON10 Comp2 VMON11 Comp3 VMON12 Comp4 CLK Comp5 Comp6 RESET Comp7 IN1 Comp8 IN2 POR CREF 0.1uF +5V Circuits -48V Primary +3.3V Circuits RG +2.5V Circuits ■ Embedded PLD for Sequence Control Implements state machine and input conditional events In-System Programmable (ISP™) through JTAG and on-chip E2CMOS® 4 Programmable 8-bit timers (32µs to 524ms) Programmable time delay between multiple power supply ramp-up and wait statements -48V Primary + - + DC/DC Supply Gnd -48V Primary + - +1.8V Circuits ■ Embedded Programmable Timers 0.1uF OE/EN DC/DC Supply or Regulator ■ Analog Comparators for Monitoring OE/EN V 12 analog comparators for monitoring 192 precise programmable threshold levels spanning 1.03V to 5.72V DataSheet4U.com Each comparator can be independently configIN3 IN4 ...