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Name: LM5066IPMHX/NOPB
Brand: Texas Instruments
SKU: LM5066IPMHX/NOPB
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Texas Instruments LM5066IPMHX/NOPB

Part No.:: LM5066IPMHX/NOPB

Manufacturer:: Texas Instruments

Package:: 28-TSSOP (0.173, 4.40mm Width) Exposed Pad

Datasheet:

Description:: IC HOT SWAP CTRLR GP 28HTSSOP

In Stock:: 2808

Quantity:: Add To Cart

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LM5066IPMHX/NOPB Typical application Circuitry Schematics

The LM5066IPMHX/NOPB from Texas Instruments is a high-performance hot-swap controller that integrates precise monitoring and protection functions to ensure safe insertion and removal of high-capacitance, high power loads across a backplane. Here are this IC's primary characteristics and technical details:

1. Operating Voltage: The LM5066IPMHX/NOPB operates with an input voltage range of 10V to 80V, making it well-suited for a wide range of applications in telecommunication and industrial equipment.

2. Package: The "PMHX" suffix suggests that this device is housed in a 20-pin HTSSOP package suitable for surface-mount applications.

3. RoHS Compliant: The "NOPB" at the end of the part number indicates that this component is lead-free and RoHS compliant, adhering to environmental regulations regarding the use of hazardous substances.

4. Hot Swap Controller: This device enables safe board insertion into a live backplane by controlling the gate of an external N-channel pass transistor to limit the inrush current.

5. Protection Features: It offers a range of protection features including UVLO (Under Voltage Lock Out), OVLO (Over Voltage Lock Out), power limiting, current limiting, and thermal shutdown.

6. Programmable Features: The device provides programmable circuit breaker and power limiting thresholds, along with configurable fault recovery and power limiting response behaviors.

7. Power Monitoring: The LM5066IPMHX/NOPB integrates a power monitor that outputs a current proportional to the input voltage times the load current. This allows easy implementation of power monitoring and management functions.

8. Communication Interface: An SPI/I2C interface provides detailed status reporting and configurability for system monitoring and management.

This chip is generally used in high availability systems such as servers, network switches, and telecom/datacom equipment, where safe power management is critical. It is essential to consult Texas Instruments' datasheet and application notes for specific circuit connection information.

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LM5066IPMHX/NOPB Typical application Circuitry

The LM5066IPMHX/NOPB is a high-performance, feature-rich power management device from Texas Instruments. It is primarily designed for the control, monitoring, and protection of loads connected to a power source.

Key Features of LM5066IPMHX/NOPB

1. Power Control: The LM5066IPMHX/NOPB can be used to control the power supply to a load, facilitating power sequencing, insertion and removal of hot-swap boards, and limiting inrush current.

2. Monitoring: This chip offers advanced monitoring capabilities, including current monitoring, power monitoring, and fault monitoring.

3. Protection: The LM5066IPMHX/NOPB also includes a range of protection features including over-voltage, under-voltage, over-current, and power limiting.

4. Digital Interface: The LM5066IPMHX/NOPB offers an I2C/SMBus interface, allowing communication with a microcontroller for control and monitoring tasks.

Typical Applications for LM5066IPMHX/NOPB

The LM5066IPMHX/NOPB can be used in a wide range of applications, including servers, network routers, and industrial PCs, where precise power control and monitoring are required.

Design Guide for LM5066IPMHX/NOPB

Here is an example of how to implement a power management circuit with the LM5066IPMHX/NOPB:

1. Input Power (VBUS, Pin 12): Connect this pin to the input power source, which can be up to 80V. Near this pin, a decoupling capacitor ought to be installed.

2. Output Power (OUT, Pin 20): Connect this pin to the load. This pin delivers the controlled power to the load.

3. Gate Drive Output (GATE, Pin 19): Connect the gate of an external N-channel MOSFET to this pin. The LM5066IPMHX/NOPB controls the gate voltage to regulate the output.

4. Current Sense (IS+, IS-, Pins 14 and 15): Connect these pins to a current sense resistor for current monitoring. The relationship between the voltage and the current across the resistor is inverse.

5. I2C Interface (SDA, SCL, Pins 4 and 5): Connect these pins to the I2C bus for communication with a microcontroller.

Design Considerations:

1. Component Selection: Select components that can handle the maximum input voltage and current. The current sense resistor should be chosen for the maximum expected current.

2. MOSFET Selection: The external N-channel MOSFET should be selected considering the maximum input voltage, the maximum current, and the gate charge.

3. PCB Layout: Good PCB layout is crucial. To reduce inductance, the high-current channel should be as brief as possible.

4. Thermal Management: The package's thermal resistance and power dissipation must be considered in the design to prevent overheating.

Always refer to the datasheet and application notes for the LM5066IPMHX/NOPB for a comprehensive guide and for specific design considerations.

LM5066IPMHX/NOPB information

LM5066IPMHX/NOPB Specifications

Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
Type:
Hot Swap Controller, Monitor
NumberofChannels:
1
InternalSwitch(s):
No
Applications:
General Purpose
Features:
PMBus
ProgrammableFeatures:
Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault, OVP, Thermal Limit, UVLO
Voltage-Supply:
10V ~ 80V
Current-Output(Max):
-
OperatingTemperature:
-40°C ~ 125°C
Current-Supply:
5.6 mA
MountingType:
Surface Mount

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6. What is the process for return or replacement of LM5066IPMHX/NOPB?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LM5066IPMHX/NOPB.

(3)The PartNo is unused and only in the original unpacked packaging.

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