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LTC4261 Datasheet(PDF) 63 Page - Analog Devices

Part # LTC4261
Description  Negative Voltage Hot Swap Controller with Energy Monitor
PDF  74 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC4261 Datasheet(HTML) 63 Page - Analog Devices

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LTC4283
63
Rev. B
For more information www.analog.com
APPLICATIONS INFORMATION
Table 10. CONTROL Registers (0x0A-0x0B) – Read/Write
BIT NAME
OPERATION
DEFAULT
CONTROL_1 (0x0A) – Read/Write
7
ON
Turns MOSFET on and off; 1 = turn MOSFET on, 0 = turn MOSFET off
1
6
DVDT
Enables dV/dt inrush control during startup; 1 = enabled, 0 = disabled
1
5
THERM_TMR
Turns 2μa TMR pull-down off; 1 = TMR pull-down turned off, 0 = TMR pull-down turned on
0
4
FET_BAD_TURN_OFF
Turns MOSFET off following a FET_BAD_FAULT; 1 = turn MOSFET off, 0 = keep MOSFET on
1
3
PWRGD_RESET_ CNTRL
Configures power good reset; 1 = reset by VOUT low, 0 = reset by MOSFET off
1
2
PGIO2_ACLB
Configures PGIO2; 1 = PGIO2 as inverted output for active current limit engagement after
startup; 0 = normal PGIO2 function configured by 0x10 bit[3:2]
0
1
MASS_WRITE_ ENABLE
Enables mass write to all LTC4283S on the I2C bus; 1 = enabled, 0 = disabled
1
0
PAGE_READ_WRITE_ ENABLE Enables I2C page read/write protocols; 1 = enabled, 0 = disabled
1
CONTROL_2 (0x0B) – Read/Write
7
EXT_FAULT_RETRY
Enables auto-retry following an EXT_FAULT; 1 = unlimited retries, 0 = no retry (latch-off)
0
6
PGI_RETRY
Enables auto-retry following a PGI_FAULT; 1 = unlimited retries, 0 = no retry (latch-off)
0
5:4 FET_BAD_RETRY
Configures auto-retry following a FET_BAD_FAULT and MOSFET turn off
FET_BAD_RETRY [5:4]
Number of Retries
00
0 (Latch-Off)
01
1
10
7
11
Unlimited
00
3:2 OC_RETRY
Configures auto-retry following an OC_FAULT
OC_RETRY [3:2]
Number of Retries
00
0 (Latch-Off)
01
1
10
7
11
Unlimited
00
1
UV_RETRY
Enables auto-retry following a UV_FAULT; 1 = unlimited retries, 0 = no retry (latch-off)
1
0
OV_RETRY
Enables auto-retry following an OV_FAULT; 1 = unlimited retries, 0 = no retry (latch-off)
1



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