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LA-ISPPAC-POWR1014

更新时间： 2024-10-19 03:44:43
品牌 Logo 应用领域
莱迪思 - LATTICE 监控控制器
页数 文件大小 规格书
45页 1072K
描述
In-System Programmable Power Supply Supervisor, Reset Generator and Sequencing Controller

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LA-ISPPAC-POWR1014 数据手册

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®
LA-ispPAC-POWR1014/A  
Automotive Family  
In-System Programmable Power Supply Supervisor,  
Reset Generator and Sequencing Controller  
June 2008  
Data Sheet DS1018  
Features  
Application Block Diagram  
■ Monitor and Control Multiple Power Supplies  
• Simultaneously monitors up to 10 power  
supplies  
Primary  
Supply  
3.3V  
Primary  
Supply  
• Provides up to 14 output control signals  
• Programmable digital and analog circuitry  
2.5V  
1.8V  
Primary  
Supply  
■ AEC-Q100 Tested and Qualified  
■ Embedded PLD for Sequence Control  
• 24-macrocell CPLD implements both state  
machines and combinatorial logic functions  
Primary  
Supply  
POL#1  
■ Embedded Programmable Timers  
• Four independent timers  
Primary  
• 32µs to 2 second intervals for timing sequences  
Supply  
POL#N  
■ Analog Input Monitoring  
• 10 independent analog monitor inputs  
• Two programmable threshold comparators per  
analog input  
Other Control/Supervisory  
Signals  
12 Digital  
Outputs  
2 MOSFET  
Drivers  
• Hardware window comparison  
• 10-bit ADC for I2C monitoring (LA-ispPAC-  
POWR1014A only)  
CPLD  
24 Macrocells  
53 Inputs  
ADC*  
2
I C  
Bus*  
■ High-Voltage FET Drivers  
• Power supply ramp up/down control  
• Programmable current and voltage output  
• Independently configurable for FET control or  
digital output  
2
4 Digital  
Inputs  
I C  
4 Timers  
CPU  
Interface  
LA-ispPAC-POWR1014A  
*LA-ispPAC-POWR1014A only.  
Description  
■ 2-Wire (I2C/SMBus™ Compatible) Interface  
Lattice’s Power Manager II LA-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 E2CMOS® technology. The  
LA-ispPAC-POWR1014/A device provides 10 indepen-  
dent analog input channels to monitor up to 10 power  
supply test points. Each of these input channels has  
two independently programmable comparators to sup-  
port both high/low and in-bounds/out-of-bounds (win-  
dow-compare) monitor functions. Four general-purpose  
digital inputs are also provided for miscellaneous con-  
trol functions.  
• Comparator status monitor  
• ADC readout  
• Direct control of inputs and outputs  
• Power sequence control  
• Only available with LA-ispPAC-POWR1014A  
■ 3.3V Operation, Wide Supply Range 2.8V to  
3.96V  
• In-system programmable through JTAG  
• Automotive temperature range: -40°C to +105°C  
• 48-pin TQFP package, lead-free option  
The LA-ispPAC-POWR1014/A provides 14 open-drain  
digital outputs that can be used for controlling DC-DC  
converters, 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  
© 2008 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other  
brand or product names are trademarks or registered trademarks of their respective holders.The specifications and information herein are subject to change without  
notice.  
www.latticesemi.com  
5-1  
DS1018_01.1  
1234567...45

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