In-System Programmable Power Supply Supervisor / Reset Generator and Sequencing Controller - Lattice Semiconductor
Description
ispPAC-® POWR1014/A
In-System Programmable Power Supply Supervisor, Reset Generator and Sequencing Controller
March 2015
Data Sheet DS1014
Features
Monitor and Control Multiple Power Supplies
• Simultaneously monitors up to 10 power supplies
• Provides up to 14 output control signals • Programmable digital and analog circuitry
Embedded PLD for Sequence Control
• 24-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
• 10 independent analog monitor inputs • Two programmable threshold comparators per
analog input • Hardware window comparison • 10-bit ADC for I2C monitoring (ispPAC-
POWR1014A only)
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 (I2C/SMBus™ Compatible) Interface
• Comparator status monitor • ADC readout • Direct control of inputs and outputs • Power sequence control • Only available with ispPAC-POWR1014A
3.
3 V Operation, Wide Supply Range 2.
8 V to 3.
96 V
• Industrial temperature range: –40°C to +85°C • 48-pin TQFP package, lead-free option
Multi-Function JTAG Interface
• In-system programming • Access to all I2C registers • Direct input control
Application Block Diagram
Primary Supply
3.
3 V
Primary Supply
Primary Supply
2.
5 V 1.
8 V
Primary Supply
POL#1
Voltage Monitoring
Other Board Circuitry
Enables
Primary Supply
POL#N
Other Control/Supervisory Signals
12 Digital Outputs
2 MOSFET Drivers
Digital Monitoring
10 Analog Inputs and Voltage Monitors
ADC*
4 Timers ispPAC-POWR1014A *ispPAC-POWR1014A only.
CPLD 24 Macrocells
53 Inputs
4 Digital Inputs
I2C Interface
I2C Bus*
CPU
Description
Lattice’s Power Manager II ispPAC-POWR1014/A is a general-purpose power-supply monitor and sequence controller, incorporating both in-system programmable...
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