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参数资料
| 型号： | LTC4222IUH#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 26/32页 |
| 文件大小： | 339K |
| 描述： | IC CTRLR DUAL HOT SWAP 32-QFN |
| 标准包装： | 2,500 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | 2.9 V ~ 29 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN 裸露焊盘（5x5） |
| 包装： | 带卷 (TR) |
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LTC4222
26
4222fb
APPLICATIONS INFORMATION
Table 5. STATUS Registers C Read
BIT STATUS 1 (D2h)
STATUS 2 (D6h)
OPERATION
7 FET On
FET On
1 = FET On, 0 = FET Off
6 GPIO1 Input
GPIO2 Input
Reports the State of the GPIO1
Pin 1 = GPIO1 High, 0 = GPIO1 Low
5 Channel 1 FET Short Status
Channel 2 FET Short Status
Reports the State of the GPIO2
Pin 1 = GPIO2 High, 0 = GPIO2 Low
4 EN1 Status
EN2 Status
Indicates If the Channel is Enabled When EN is Low
1 = EN pin Low, 0 = EN pin High
3 Channel 1 Power Bad
Channel 2 Power Bad
Indicates Power is Bad When FB is Low
1 = FB Low, 0 = FB High
2 Channel 1 Overcurrent
Channel 2 Overcurrent
Indicates Overcurrent Condition; 1 = Overcurrent, 0 = Not Overcurrent
1 Channel 1 Undervoltage
Channel 2 Undervoltage
Indicates Input Undervoltage When UV is Low
1 = UV Low, 0 = UV High
0 Channel 1 Overvoltage
Channel 2 Overvoltage
Indicates Input Overvoltage When OV is High
1 = OV High, 0 = OV Low
Table 6. FAULT Registers D Read/Write
BIT FAULT 1 (D3h)
FAULT 2 (D7h)
OPERATION
7 Reserved
Reserved
Reserved
6 Reserved
Reserved
Reserved
5 Channel 1 FET Short Fault
Occurred
Channel 2 FET Short Fault
Occurred
Indicates Potential FET Short was Detected When Measured Current
Sense Voltage Exceeded 1mV While FET was Off
1 = FET was Shorted, 0 = FET is Good
4 Channel 1 EN Changed State
Channel 2 EN Changed State
Indicates That the LTC4215-1 was Enabled or Disabled When EN
Changed State
1 = EN Changed State, 0 = EN Unchanged
3 Channel 1 Power Bad Fault
Occurred
Channel 2 Power Bad Fault
Occurred
Indicates Power was Bad When FB Went Low
1 = FB was Low, 0 = FB was High
2 Channel 1 Overcurrent Fault
Occurred
Channel 2 Overcurrent Fault
Occurred
Indicates Overcurrent Fault Occurred
1 = Overcurrent Fault Occurred, 0 = No Overcurrent Faults
1 Channel 1 Undervoltage Fault
Occurred
Channel 2 Undervoltage Fault
Occurred
Indicates Input Undervoltage Fault Occurred When UV Went Low
1 = UV was Low, 0 = UV was High
0 Channel 1 Overvoltage Fault
Occurred
Channel 2 Overvoltage Fault
Occurred
Indicates Input Overvoltage Fault Occurred When OV Went High
1 = OV was High, 0 = OV was Low
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相关代理商/技术参数 |
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|---|---|
| LTC4223 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Ideal Diode and Hot Swap Controller |
| LTC4223-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Supply Hot Swap Controller for Advanced Mezzanine Card |
| LTC4223-2 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Supply Hot Swap Controller for Advanced Mezzanine Card |
| LTC4223CDHD-1#PBF | 功能描述:IC CNTRLR HOT SWAP DUAL 16-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LTC4223CDHD-1#TRPBF | 功能描述:IC CNTRLR HOT SWAP DUAL 16-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
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