Analog Devices Inc.

Category: Power Management ICs

Super Sequencer with Margining Control and Temperature Monitoring Features: Complete supervisory and sequencing solution for up to 10 supplies 10 supply fault detectors enable supervision of supplies to: <0.5% accuracy at all voltages at 25°C <1.0 % accuracy across all voltages and temperatures 5 selectable input attenuators allow supervision of: Supplies up to 14.4 V on VH Supplies up to 6 V on VP1 to VP4 (VPn) 10 programmable output drivers (PDO1 to PDO10): Open collector with external pull-up Push/pull output, driven to VDDCAP or VPx Open collector with weak pull-up to VDDCAP or VPx Internally charge-pumped high drive for use with external N-FET (PDO1 to PDO6 only) Sequencing engine (SE) implements state machine control of PDO outputs State changes conditional on input events Enables complex control of boards Power-up and power-down sequence control Fault event handling Interrupt generation on warnings Watchdog function can be integrated in SE Program software control of sequencing through SMBus 5 dual-function inputs, VX1 to VX5 (VXn) High impedance input to supply fault detector with thresholds between 0.573 V and 1.375 V General-purpose logic input Complete voltage margining solution for 6 voltage rails 6 voltage output, 8-bit DACs (0.300 V to 1.551 V) allow voltage adjustment via dc-to-dc converter trim/feedback node 12-bit ADC for readback of all supervised voltages Internal and external temperature sensors Reference input (REFIN) has 2 input options Driven directly from 2.048 V (±0.25%) REFOUT pin More accurate external reference for improved ADC performance Device powered by the highest of VPx, VH for improved redundancy User EEPROM: 256 bytes Industry-standard 2-wire bus interface (SMBus) Guaranteed PDO low with VH, VPx = 1.2 V Available in 40-lead, 6 mm × 6 mm LFCSP and 48-lead, 7 mm × 7 mm TQFP packages

$8.45 - $26.30