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| 型号： | MAX5961ETM+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 0 to 16V, Quad, Hot-Swap Controller with 10-Bit Current and Voltage Monitor; Package: THIN QFN, 48 pin ; Temperature Range: -40°C to +85°C |
| 中文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, QCC48 |
| 封装： | 7 X 7 MM, ROHS COMPLIANT, MO-220, TQFN-48 |
| 文件页数： | 14/42页 |
| 文件大小： | 335K |
| 代理商： | MAX5961ETM+ |
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MAX5961
0 to 16V, Quad, Hot-Swap Controller
with 10-Bit Current and Voltage Monitor
______________________________________________________________________________________
21
When an overcurrent event causes the MAX5961 to
shut down a channel, a corresponding open-drain
FAULT_ output alerts the system. Figure 3 shows the
operation and fault-management flowchart for one
channel of the MAX5961.
Table 6. Specified Current-Sense and Circuit-Breaker Threshold Ranges
ILIM_
INPUT
CURRENT-
SENSE
RANGE (mV)
SPECIFIED FAST-TRIP
THRESHOLD RANGE (mV)
FAST-TRIP/
SLOW-TRIP
RATIO (%)
SPECIFIED
SLOW-TRIP
THRESHOLD RANGE (mV)
200
5.0 to 12.5
175
5.7 to 14.3
150
6.7 to 16.7
Low
0 to 25
10 to 25
(40% to 100%)
(DAC = 0x66 to 0xFF)
125
8 to 20
200
10 to 25
175
11.5 to 28.6
150
13.3 to 33.3
High
0 to 50
20 to 50
(40% to 100%)
(DAC = 0x66 to 0xFF)
125
16 to 40
200
20 to 50
175
22.9 to 57.1
150
26.7 to 66.7
Unconnected
0 to 100
40 to 100
(40% to 100%)
(DAC = 0x66 to 0xFF)
125
32 to 80
Table 7a. sense_range Register Format
Description:
Fast-trip threshold maximum range setting bits, from ILIM_ three-state inputs
Register Title:
sense_range
Register Address:
0x61
R/W
Ch4_IGS1
Ch4_IGS0
Ch3_IGS1
Ch3_IGS0
Ch2_IGS1
Ch2_IGS0
Ch1_IGS1
Ch1_IGS0
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Table 7b. Setting Current-Sense Range
ILIM_ INPUT STATE
Chx_IGS1
Chx_IGS0
MAXIMUM CURRENT-SENSE SIGNAL (mV)
Low
1
0
25
High
0
1
50
Unconnected
0
100
—1
1
—
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