ADM1278-3ACPZ-RL

Mfr. #:: ADM1278-3ACPZ-RL
Manufacturer:: Analog Devices Inc.
Description:: Hot Swap Voltage Controllers Low volt Positive Hot Swap + Power mon
Lifecycle:: New from this manufacturer.
Datasheet:: ADM1278-3ACPZ-RL Datasheet
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More Information:: ADM1278-3ACPZ-RL more Information ADM1278-3ACPZ-RL Product Details

Product Attribute
Attribute Value

Manufacturer:: Analog Devices Inc.

Product Category:: Hot Swap Voltage Controllers

RoHS:: Y

Packaging:: Reel

Series:: ADM1278

Brand:: Analog Devices

Product Type:: Hot Swap Voltage Controllers

Factory Pack Quantity:: 5000

Subcategory:: PMIC - Power Management ICs

Tags: ADM1278, ADM127, ADM12, ADM1, ADM

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ADM1278-3ACPZ-RL Ratings and Reviews

E**g

Very accurate e description

2019-07-23

S***i

Thank you.

2019-07-23

ADM1278-3ACPZ-RL Description

***et Europe: Hot Swap Controller 1-CH 20V 32-Pin LFCSP T/R

***ark: Low volt Positive Hot Swap + Power mon

***log Devices: The ADM1278 is a hot swap controller that allows a circuit board to be removed from or inserted into a live backplane. It also features current, voltage, power, and temperature readback via an integrated 12-bit analog-to-digital converter (ADC), accessed using a PMBus™ interface. The load current is measured using an internal current sense amplifier that measures the voltage across a sense resistor in the power path via the HS+ and HS− pins. A default current limit of 20 mV is set, but this limit can be adjusted, if required. The ADM1278 limits the current through the sense resistor by controlling the gate voltage of an external N-channel FET in the power path, via the GATE pin. The sense voltage, and therefore the load current, is maintained below the preset maximum. The ADM1278 protects the external FET by limiting the time that the FET remains on while the current is at its maximum value. This current-limit time is set by the choice of capacitor connected to the TIMER pin. In addition, a constant power foldback scheme is used to control the power dissipation in the MOSFET during power-up and fault conditions. The level of this power, along with the TIMER regulation time, can be set to ensure that the MOSFET remains within safe operating area (SOA) limits. In case of a short-circuit event, a fast internal overcurrent detector responds within 320 ns and signals the gate to shut down. A 1500 mA pull-down device ensures a fast FET response. The ADM1278 features overvoltage (OV) and undervoltage (UV) protection, programmed using external resistor dividers on the UV and OV pins. A PWRGD signal can be used to detect when the output supply is valid, using the PWGIN pin to accurately monitor the output. The ADM1278 is available in a 32-lead LFCSP with a RETRY pin that can be configured for automatic retry or latch-off when an overcurrent fault occurs. Applications Servers Power monitoring and control/power budgeting Telecommunication and data communication equipment

ADM1278-3ACPZ-RL More Information

ADM1278 Hot Swap Controller: Analog Devices ADM1278 Hot Swap Controller with PMBus Interface allows a circuit board to be removed from or inserted into a live backplane. ADM1278 also features current, voltage, and power readback via an integrated 12-bit analog-to-digital converter (ADC), accessed using a PMBus™ interface. The load current is measured using an internal current sense amplifier that measures the voltage across a sense resistor in the power path via the HS+ and HS− pins. A default current limit of 20mV is set, but this limit can be adjusted, if required, using a resistor divider network from the internal reference voltage to the ISET pin. The ADM1278 limits the current through the sense resistor by controlling the gate voltage of an external N-channel FET in the power path, via the GATE pin. The sense voltage, and therefore the load current, is maintained below the preset maximum. The ADM1278 protects the external FET by limiting the time that the FET remains on while the current is at its maximum value. This current-limit time is set by the choice of capacitor connected to the TIMER pin. In addition, a constant power foldback scheme is used to control the power dissipation in the MOSFET during power-up and fault conditions. The level of this power, along with the TIMER regulation time, can be set to ensure that the MOSFET remains within the safe operating area (SOA) limits. A programmable start-up current limit is also available for dv/dt power-up. In case of a short-circuit event, a fast internal overcurrent detector responds within 320ns and signals the gate to shut down. A 1500mA pull-down device ensures a fast FET response. The 12-bit ADC can measure the current in the sense resistor, the supply voltage on the HS+ pin, the output voltage, and the temperature at the external NPN device. A PMBus interface allows a controller to read data from the ADC. As many as 16 unique I²C addresses can be selected, depending on how the two ADRx pins are connected. Available in a 32-lead LFCSP with a RETRY pin that designers can configure for automatic retry or latch-off when an overcurrent fault occurs, the ADM1278 Hot Swap Controller is ideal for servers, power monitoring & control/power budgeting, central office equipment, and telecommunication & data communication equipment.Learn More

Power Management ADI SLP

Market price

Part #	Mfg.	Description	Stock	Price
ADM1278-3ACPZ-RL DISTI # ADM1278-3ACPZ-RL-ND	Analog Devices Inc	IC ENERGY MON HOT-SWAP 20-LFCSP RoHS: Compliant Min Qty: 5000 Container: Tape & Reel (TR)	Temporarily Out of Stock	5000:$4.4188
ADM1278-3ACPZ DISTI # 584-ADM1278-3ACPZ	Analog Devices Inc	Hot Swap Voltage Controllers Hot Swap Controller w/ PMBus Interface RoHS: Compliant	0	1:$7.8800 10:$7.0900 25:$6.6700 50:$6.2700 100:$5.9500 250:$5.5900 500:$5.0800 1000:$4.3500
ADM1278-3ACPZ-RL DISTI # 584-ADM1278-3ACPZ-RL	Analog Devices Inc	Hot Swap Voltage Controllers Low volt Positive Hot Swap + Power mon RoHS: Compliant	0	5000:$4.2900

Related products

Image	Part #	Description
	Mfr.#: ADM1278-1ACPZ OMO.#: OMO-ADM1278-1ACPZ	Hot Swap Voltage Controllers Low volt Positive Hot Swap + Power mon
	Mfr.#: ADM1278-1ACPZ-RL OMO.#: OMO-ADM1278-1ACPZ-RL	Hot Swap Voltage Controllers Low volt Positive Hot Swap + Power mon
	Mfr.#: ADM1278-2ACPZ-RL OMO.#: OMO-ADM1278-2ACPZ-RL	Hot Swap Voltage Controllers Low volt Positive Hot Swap + Power mon
	Mfr.#: ADM1278-3ACPZ-RL OMO.#: OMO-ADM1278-3ACPZ-RL	Hot Swap Voltage Controllers Low volt Positive Hot Swap + Power mon
	Mfr.#: ADM1278-1AACPZ-RL OMO.#: OMO-ADM1278-1AACPZ-RL-ANALOG-DEVICES-INC-ADI	Hot Swap Voltage Controllers Low volt Positive HotSwap + Power mon
	Mfr.#: ADM1278-2ACPZ-RL OMO.#: OMO-ADM1278-2ACPZ-RL-ANALOG-DEVICES-INC-ADI	Hot Swap Voltage Controllers Low volt Positive Hot Swap + Power mon
	Mfr.#: ADM1278-3ACPZ-RL OMO.#: OMO-ADM1278-3ACPZ-RL-ANALOG-DEVICES-INC-ADI	Hot Swap Voltage Controllers Low volt Positive Hot Swap + Power mon
	Mfr.#: ADM1278-1BCPZ-RL OMO.#: OMO-ADM1278-1BCPZ-RL-ANALOG-DEVICES-INC-ADI	Hot Swap Voltage Controllers Low volt Positive Hot Swap + Power mon
	Mfr.#: ADM1278-1BCPZ OMO.#: OMO-ADM1278-1BCPZ-ANALOG-DEVICES-INC-ADI	Hot Swap Voltage Controllers Hot Swap Controller w/ PMBus Interface
	Mfr.#: ADM1278-2ACPZ-U3 OMO.#: OMO-ADM1278-2ACPZ-U3-1190	New and Original

Availability

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On Order:: 4000
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ADM1278-3ACPZ-RL

Step1:Vacuum Packaging with PL

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Step3:Packaging Boxes

E**g

S***i

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes