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參數資料
型號: MAX5978ETJ+
廠商: Maxim Integrated
文件頁數: 20/38頁
文件大小: 2412K
描述: IC CTLR HOT-SWAP 32TQFN
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
類型: 熱交換控制器
應用: 刀峰式服務器,網絡應用設備
內部開關:
電流限制: 可調
電源電壓: 2.7 V ~ 16 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-WFQFN 裸露焊盤
供應商設備封裝: 32-TQFN-EP(5x5)
包裝: 管件
0 to 16V, Hot-Swap Controller with 10-Bit
Current, Voltage Monitor, and 4 LED Drivers
20
Digital Current Monitoring
The current-sense signal is sampled by the internal
10-bit, 10ksps ADC, and the most recent results are
stored in registers for retrieval through the I
2
C interface.
The current conversion values are 10 bits wide, with the
8 high-order bits written to one 8-bit register and the 2
low-order bits written to the next-higher 8-bit register
address (Tables 8 and 9). This allows use of just the
high-order byte in applications where 10-bit precision is
not required. This split 8-bit/2-bit storage scheme is used
throughout the device for ADC conversion results and
digital comparator thresholds.
Once the PG output is asserted, the current-sense sam-
ples are continuously compared to the programmable
overcurrent warning register value. If the measured cur-
rent value exceeds the warning level, the ALERT output
is asserted. The device response to this digital com-
parator is not altered by the setting of the PROT input
(Tables 10 and 11).
Table 8. ADC Current-Conversion Results Register Format (High-Order Bits)
Table 9. ADC Current-Conversion Results Register Format (Low-Order Bits)
Table 10. Overcurrent Warning Threshold Register Format (High-Order Bits)
Table 11. Overcurrent Warning Threshold Register Format (Low-Order Bits)
Description:
Most recent current-conversion result, high-order bits [9:2]
Register Title:
adc_cs_msb
Register Addresses:
0x00
RESET
VALUE
R
R
R
R
R
R
R
R
inew_9
inew_8
inew_7
inew_6
inew_5
inew_4
inew_3
inew_2
0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0

Description:
Most recent current-conversion result, low-order bits [0:1]
Register Title:
adc_cs_ lsb
Register Addresses:
0x01
RESET
VALUE
R
R
R
R
R
R
R
R






inew_1
inew_0
0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0

Description:
Overcurrent warning threshold high-order bits [9:2]
Register Title:
oithr_msb
Register Addresses:
0x22
RESET
VALUE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
oi_9
oi_8
oi_7
oi_6
oi_5
oi_4
oi_3
oi_2
0xFF
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0

Description:
Overcurrent warning threshold low-order bits [1:0]
Register Title:
oithr_lsb
Register Addresses:
0x23
RESET
VALUE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W






oi_1
oi_0
0x03
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0

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相關代理商/技術參數
參數描述
MAX5978ETJ+ 功能描述:熱插拔功率分布 0-16V Hot-Swap Controller RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5978ETJ+T 功能描述:熱插拔功率分布 0-16V Hot-Swap Controller RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5980EVKIT# 功能描述:電源開關 IC - POE / LAN MAX5980 Eval Kit RoHS:否 制造商:Fairchild Semiconductor 開關數量:Single 開關配置:SPST 開啟電阻(最大值):7.3 Ohms 串話: 帶寬: 開啟時間(最大值):13 ns 關閉時間(最大值):20 ns 切換電壓(最大): 工作電源電壓:8 V to 26 V 最大工作溫度:+ 125 C 安裝風格:Through Hole 封裝 / 箱體:TO-220F-6
MAX5980EVKIT+ 功能描述:電源開關 IC - POE / LAN RoHS:否 制造商:Fairchild Semiconductor 開關數量:Single 開關配置:SPST 開啟電阻(最大值):7.3 Ohms 串話: 帶寬: 開啟時間(最大值):13 ns 關閉時間(最大值):20 ns 切換電壓(最大): 工作電源電壓:8 V to 26 V 最大工作溫度:+ 125 C 安裝風格:Through Hole 封裝 / 箱體:TO-220F-6
MAX5980GTJ+ 功能描述:電源開關 IC - POE / LAN 0-16V Hot-Swap Controller RoHS:否 制造商:Fairchild Semiconductor 開關數量:Single 開關配置:SPST 開啟電阻(最大值):7.3 Ohms 串話: 帶寬: 開啟時間(最大值):13 ns 關閉時間(最大值):20 ns 切換電壓(最大): 工作電源電壓:8 V to 26 V 最大工作溫度:+ 125 C 安裝風格:Through Hole 封裝 / 箱體:TO-220F-6
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