Manufacturer | Lattice Semiconductor Corporation |
Applications | Power Supply Monitor, Sequencer |
Mounting Type | Surface Mount |
Package / Case | 100-LQFP |
Product Status | Active |
Voltage - Input | -0.3V ~ 5.9V |
Current - Supply | 40 mA |
Voltage - Supply | 2.8V ~ 3.96V |
Operating Temperature | -40°C ~ 85°C |
Supplier Device Package | 100-TQFP (14x14) |
Monitor, Control, and Margin Multiple Power Supplies
• Simultaneously monitors up to 12 power supplies
• Provides up to 20 output control signals
• Provides up to eight analog outputs for margining/trimming power supply voltages
• Programmable digital and analog circuitry
Power Supply Margin and Trim Functions
• Trim and margin up to eight power supplies
• Dynamic voltage control through I2 C
• Four hardware selectable voltage profiles
• Independent Digital Closed-Loop Trim function for each output
Embedded PLD for Sequence Control
• 48-macrocell CPLD implements both state machines and combinatorial logic functions
Embedded Programmable Timers
• Four independent timers
• 32µs to 2 second intervals for timing sequences
Analog Input Monitoring
• 12 independent analog monitor inputs
• Differential inputs for remote ground sense
• Two programmable threshold comparators per analog input
• Hardware window comparison
• 10-bit ADC for I2 C monitoring
High-Voltage FET Drivers
• Power supply ramp up/down control
• Programmable current and voltage output
• Independently configurable for FET control or digital output
2-Wire (I2 C/SMBus Compatible) Interface
• Comparator status monitor
• ADC readout
• Direct control of inputs and outputs
• Power sequence control
• Dynamic trimming/margining control
3.3V Operation, Wide Supply Range 2.8V to 3.96V
• In-system programmable through JTAG
• Industrial temperature range: -40°C to +85°C
• 100-pin TQFP package, lead-free option