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LTC4215

Features: ·Allows Safe Insertion into Live Backplane·8-Bit ADC Monitors Current and Voltage·I2C/SMBus Interface·Wide Operating Voltage Range: 2.9V to 15V·dI/dt Controlled Soft-Start·High Side Drive for External N-Channel MOSFET·No External Gate Capacitor Required·Input Overvoltage/Undervoltage Pro...

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SeekIC No. : 004402479 Detail

LTC4215: Features: ·Allows Safe Insertion into Live Backplane·8-Bit ADC Monitors Current and Voltage·I2C/SMBus Interface·Wide Operating Voltage Range: 2.9V to 15V·dI/dt Controlled Soft-Start·High Side Drive ...

LTC4215 Data Sheet

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Part Number:
LTC4215
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·Allows Safe Insertion into Live Backplane
·8-Bit ADC Monitors Current and Voltage
·I2C/SMBus Interface
·Wide Operating Voltage Range: 2.9V to 15V
·dI/dt Controlled Soft-Start
·High Side Drive for External N-Channel MOSFET
·No External Gate Capacitor Required
·Input Overvoltage/Undervoltage Protection
·Optional Latchoff or Auto-Retry After Faults
·Alerts Host After Faults
·Inrush Current Limit with Foldback
·Available in 24-Lead (4mm × 5mm) QFN and 16-Lead Narrow SSOP Packages


Application

·Live Board Insertion
·Electronic Circuit Breakers
·Computers, Servers
·Platform Management


Pinout

Connection Diagram  Connection Diagram


Specifications

Supply Voltage (VDD) ............................... 0.3V to 24V
Supply Voltage (INTVCC) ......................... 0.3V to 6.5V
Input Voltages
GATE-SOURCE (Note 3) ............................. 0.3V to 5V
SENSE+, SENSE ................ VDD 0.3V to VDD + 0.3V
SOURCE ..................................................... 5V to 24V
EN, FB, ON, OV, UV .................................. 0.3V to 12V
ADR0, ADR1, ADR2, TIMER,
ADIN, SS ................................. 0.3V to INTVCC + 0.3V
ALERT, SCL, SDA, SDAI, SDAO ................ 0.3V to 6.5V
Output Voltages
GATE, GPIO ............................................. 0.3V to 24V
Operating Temperature Range
LTC4215C .............................................. 0°C to 70°C
LTC4215I .......................................... 40°C to 85°C
Storage Temperature Range
SSOP ............................................... 65°C to 150°C
QFN ................................................. 65°C to 125°C
Lead Temperature (Soldering, 10 sec)
SSOP ................................................................ 300°C


Description

The LTC4215 Hot SwapTM controller allows a board to be safely inserted and removed from a live backplane. Using an external N-channel pass transistor, board supply voltage and inrush current are ramped up at an adjustable rate. An I2C interface and onboard ADC of LTC4215 allow for monitoring of load current, voltage and fault status.

The LTC4215 features adjustable foldback current limit and a soft-start pin that sets the dI/dt of the inrush current. An I2C interface may confi gure the part to latch off or automatically restart after the LTC4215 detects a current limit fault.

The controller LTC4215 has additional features to interrupt the host when a fault has occurred, notify when output power is good, detect insertion of a load card, and power-up either automatically upon insertion or wait for an I2C command to turn on.




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