ISPPAC-POWR1014A LATTICE [Lattice Semiconductor], ISPPAC-POWR1014A Datasheet
ISPPAC-POWR1014A
Manufacturer Part Number
ISPPAC-POWR1014A
Description
In-System Programmable Power Supply Supervisor, Reset Generator and Sequencing Controller
Manufacturer
LATTICE [Lattice Semiconductor]
Datasheet
1.ISPPAC-POWR1014A.pdf
(45 pages)
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August 2007
Features
■ Monitor and Control Multiple Power Supplies
■ Embedded PLD for Sequence Control
■ Embedded Programmable Timers
■ Analog Input Monitoring
■ High-Voltage FET Drivers
■ 2-Wire (I
■ 3.3V Operation, Wide Supply Range 2.8V to
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brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without
notice.
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3.96V
• Simultaneously monitors up to 10 power
• Provides up to 14 output control signals
• Programmable digital and analog circuitry
• 24-macrocell CPLD implements both state
• Four independent timers
• 32µs to 2 second intervals for timing sequences
• 10 independent analog monitor inputs
• Two programmable threshold comparators per
• Hardware window comparison
• 10-bit ADC for I
• Power supply ramp up/down control
• Programmable current and voltage output
• Independently configurable for FET control or
• Comparator status monitor
• ADC readout
• Direct control of inputs and outputs
• Power sequence control
• Only available with ispPAC-POWR1014A
• In-system programmable through JTAG
• Industrial temperature range: -40°C to +85°C
• 48-pin TQFP package, lead-free option
supplies
machines and combinatorial logic functions
analog input
POWR1014A only)
digital output
2
C/SMBus™ Compatible) Interface
2
C monitoring (ispPAC-
In-System Programmable Power Supply Supervisor,
1
ispPAC-POWR1014/A
Application Block Diagram
Description
Lattice’s Power Manager II ispPAC-POWR1014/A is a
general-purpose power-supply monitor and sequence
controller, incorporating both in-system programmable
logic and in-system programmable analog functions
implemented in non-volatile E
ispPAC-POWR1014/A device provides 10 independent
analog input channels to monitor up to 10 power supply
test points. Each of these input channels has two inde-
pendently programmable comparators to support both
high/low and in-bounds/out-of-bounds (window-com-
pare) monitor functions. Four general-purpose digital
inputs are also provided for miscellaneous control func-
tions.
The ispPAC-POWR1014/A provides 14 open-drain digi-
tal outputs that can be used for controlling DC-DC con-
verters, low-drop-out regulators (LDOs) and opto-
couplers, as well as for supervisory and general-pur-
pose logic interface functions. Two of these outputs
(HVOUT1-HVOUT2) may be configured as high-voltage
Reset Generator and Sequencing Controller
Primary
Primary
Primary
Primary
Primary
Supply
Supply
Supply
Supply
Supply
*ispPAC-POWR1014A only.
ispPAC-POWR1014A
POL#N
POL#1
3.3V
2.5V
1.8V
ADC*
4 Timers
®
12 Digital
Outputs
4 Digital
Inputs
24 Macrocells
53 Inputs
CPLD
2
CMOS
Other Control/Supervisory
2 MOSFET
Interface
Drivers
I
2
C
Data Sheet DS1014
®
Signals
technology. The
Bus*
I
DS1014_01.5
2
C
CPU
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