参数资料
型号: ISPPAC-POWR604-01TN44I
厂商: Lattice Semiconductor Corporation
文件页数: 2/30页
文件大小: 0K
描述: IC ISP POWER MGR ANLG/LOG 44TQFP
标准包装: 160
系列: ispPAC®
应用: 电源监控器,序列发生器
输入电压: 0 V ~ 6 V
电源电压: 2.25 V ~ 5.5 V
电流 - 电源: 10mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 44-LQFP
供应商设备封装: 44-TQFP(10x10)
包装: 托盘
ispPAC-POWR604
?
In-System Programmable Power Supply
Sequencing Controller and Monitor
August 2004
Features
■ Monitor and Control Multiple Power
Supplies
? Simultaneously monitors and sequences up to six
power supplies
Data Sheet DS1032
Application Block Diagram
Voltage Monitor 6
Voltage Monitor 5
2.5-5V Supply
? Sequence controller for power-up conditions
? Provides four output control signals
6 Analog Inputs
1.0uF
0.1uF
Digital
Controller
? Programmable digital and analog circuitry
■ Embedded PLD for Sequence Control
? Implements state machine and input conditional
events
? In-System Programmable (ISP?) through JTAG
V DD
VMON1
VMON2
VMON3
VMON4
VMON5
VMON6
CLK
VDD VDDINP
OUT5
OUT6
OUT7
OUT8
ispPAC-POWR604
Comp1
Power Sequence Comp2
Comp3
Comp4
CPU_RESETN
BROWNOUT_INT
LOAD_ENABLE
POWER_OK
Logic
CPU/ASIC
Card etc.
and on-chip E 2 CMOS ?
RESET
Comp5
Comp6
■ Embedded Programmable Timers
? Two Programmable 8-bit timers (32μs to 524ms)
? Programmable time delay for pulse stretching or
CARD_RESETN
WDT_IN
INT_ACK
DONE
IN1
IN2
IN3
IN4
POR
CREF
0.1uF
other power supply management
■ Analog Comparators for Monitoring
? Six analog comparators for monitoring
? 192 precise programmable threshold levels
spanning 1.03V to 5.72V
? Each comparator can be independently con?g-
ured around standard logic supply voltages of
1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V
? Other user-de?ned voltages possible
? Six direct comparator outputs
■ Embedded Oscillator
? Built-in clock generator, 250kHz
Description
The Lattice ispPAC ? -POWR604 incorporates both in-
system programmable logic and in-system programma-
ble analog circuits to perform special functions for
power supply sequencing and monitoring. The ispPAC-
POWR604 device has the capability to be con?gured
through software to control up to four outputs for power
supply sequencing and six comparators monitoring sup-
ply voltage limits, along with four digital inputs for inter-
facing to other control circuits or digital logic. Once
?
Programmable clock frequency
con?gured, the design is downloaded into the device
? Programmable timer pre-scaler
? External clock support
■ Programmable Open-Drain Outputs
? Four digital outputs for logic and power supply
control
? Expandable with ispMACH? 4000 CPLD
■ 2.25V to 5.5V Supply Range
through a standard JTAG interface. The circuit con?gu-
ration and routing are stored in non-volatile E 2 CMOS.
PAC-Designer, ? an easy-to-use Windows-compatible
software package, gives users the ability to design the
logic and sequences that control the power supplies or
regulator circuits. The user has control over timing func-
tions, programmable logic functions and comparator
threshold values as well as I/O con?gurations.
?
?
?
?
?
In-system programmable at 3.0V to 5.5V
Industrial temperature range: -40°C to +85°C
Automotive temperature range: -40°C to +125°C
44-pin TQFP package
Lead-free package option
? 2004 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 speci?cations and information herein are subject to change without notice.
www.latticesemi.com
2-1
DS1032_02.1
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