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| 型号： | LTC4245IG#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 32/36页 |
| 文件大小： | 431K |
| 描述： | IC CNTRLR HOT SWAP 36-SSOP |
| 标准包装： | 1,000 |
| 类型： | 热交换控制器 |
| 应用： | CompactPCI? |
| 内部开关： | 无 |
| 电源电压： | 3.3V，5V，12V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 36-SSOP |
| 包装： | 带卷 (TR) |
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LTC4245
32
4245fa
Table 11. FAULT1 Register E (04h) Read/Write
BIT
NAME
OPERATION
E7
12V Overcurrent Fault Occurred
Indicates Overcurrent Fault Occurred on 12V Supply
1 = Overcurrent Fault Occurred, 0 = No Overcurrent Faults
E6
3.3V Overcurrent Fault Occurred
Indicates Overcurrent Fault Occurred on 3.3V Supply
1 = Overcurrent Fault Occurred, 0 = No Overcurrent Faults
E5
5V Overcurrent Fault Occurred
Indicates Overcurrent Fault Occurred on 5V Supply
1 = Overcurrent Fault Occurred, 0 = No Overcurrent Faults
E4
12V Overcurrent Fault Occurred
Indicates Overcurrent Fault Occurred on 12V Supply
1 = Overcurrent Fault Occurred, 0 = No Overcurrent Faults
E3
12V Undervoltage Fault Occurred
Indicates 12V Supply Undervoltage Fault Occurred When V
EEIN
Went High
1 = V
EEIN
was High, 0 = No Undervoltage Faults
E2
3.3V Undervoltage Fault Occurred
Indicates 3.3V Supply Undervoltage Fault Occurred When 3V
IN
Went Low
1 = 3V
IN
was Low, 0 = No Undervoltage Faults
E1
5V Undervoltage Fault Occurred
Indicates 5V Supply Undervoltage Fault Occurred When 5V
IN
Went Low
1 = 5V
IN
was Low, 0 = No Undervoltage Faults
E0
12V Undervoltage Fault Occurred
Indicates 12V Supply Undervoltage Fault Occurred When 12V
IN
Went Low
1 = 12V
IN
was Low, 0 = No Undervoltage Faults
Table 12. FAULT2 Register F (05h) Read/Write
BIT
NAME
OPERATION
F7
GPIO1 Changed State
Indicates that GPIO1 Pin Changed State; 1 = GPIO1 Changed State, 0 = GPIO1 Unchanged
F6
BD_SEL# Changed State
Indicates that BD_SEL# Pin Changed State; 1 = BD_SEL# Changed State, 0 = BD_SEL# Unchanged
F5
FET Short Fault Occurred
Indicates Potential FET Short was Detected on at Least One Supply, When ADC Measured Current
Sense Voltage Exceeded 7 LSB While FET was Off; 1 = FET was Shorted, 0 = FET is Good
F4
PGI Fault Occurred
Indicates PGI Fault Occurred; 1 = PGI Fault Occurred, 0 = No PGI faults
F3
12V Power Bad Fault Occurred
Indicates 12V Power was Bad When V
EEOUT
Went High
1 = V
EEOUT
was High, 0 = No Power Bad Faults
F2
3.3V Power Bad Fault Occurred
Indicates 3.3V Power was Bad When 3V
OUT
Went Low
1 = 3V
OUT
was Low, 0 = No Power Bad Faults
F1
5V Power Bad Fault Occurred
Indicates 5V Power was Bad When 5V
OUT
Went Low
1 = 5V
OUT
was Low, 0 = No Power Bad Faults
F0
12V Power Bad Fault Occurred
Indicates 12V Power was Bad When 12V
OUT
Went Low
1 = 12V
OUT
was Low, 0 = No Power Bad Faults
Table 13. GPIO Register G (06h) Read/Write (GPIO2, GPIO3 Bits Apply Only to the UHF Package)
BIT
NAME
OPERATION
G7:6
GPIO Select
Control Which GPIO Pin is Multiplexed to the GPIO Channel of ADC
G7
G6
GPIO
0
0
GPIO1 (Default)
0
1
GPIO1
1
0
GPIO2
1
1
GPIO3
G5
GPIO3 Output
GPIO3 Pin Open-Drain Output State; 1 = High Impedance (Default), 0 = Pulls Low
G4
GPIO2 Output
GPIO2 Pin Open-Drain Output State; 1 = High Impedance (Default), 0 = Pulls Low
G3
GPIO1 Output
GPIO1 Pin Open-Drain Output State; 1 = High Impedance (Default), 0 = Pulls Low
G2
GPIO3 Input
State of the GPIO3 Pin, Read Only Bit; 1 = GPIO3 High, 0 = GPIO3 Low
G1
GPIO2 Input
State of the GPIO2 Pin, Read Only Bit; 1 = GPIO2 High, 0 = GPIO2 Low
G0
GPIO1 Input
State of the GPIO1 Pin, Read Only Bit; 1 = GPIO1 High, 0 = GPIO1 Low
APPLICATIO S I FOR ATIO
U
U
U
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