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TPS2419D

0.8-V to 16.5-V 1.2A IQ 291-uA Igate source N+1 and OR-ing power rail controller with enable

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TPS2419D General Description

The TPS2419 controller, in conjunction with an external N-channel MOSFET, provides the reverse current protection of an ORing diode with the efficiency of a MOSFET. The TPS2419 can be used to combine multiple power supplies to a common bus in an N+1 configuration, or to combine redundant input power buses.

Applications for the TPS2419 include a wide range of systems including servers and telecom. These applications often have either N+1 redundant power supplies, redundant power buses, or both. Redundant power sources must have the equivalent of a diode OR to prevent reverse current during faults and hotplug.

Accurate voltage sensing and a programmable turn-off threshold allows operation to be tailored for a wide range of implementations and bus characteristics. The TPS2419 brings out an enable pin which allows the system to force the MOSFET off under light-load, high noise conditions.

Texas Instruments, Inc Inventory

Key Features

  • Control External FET for N+1 and ORing
  • Controls Buses From 3 V to 16.5 V
  • External Enable
  • N-Channel MOSFETControl
  • Rapid Device Turnoff Protects Bus Integrity
  • Programmable Turn-Off Threshold
  • Soft Turn on Reduces Bus Transients
  • Industrial Temperature Range: –40°C to 85°C
  • 8-Pin TSSOP and SOIC Packages
  • APPLICATIONS
    • N+1 Power Supplies
    • Server Blades
    • Telecom Systems
    • High Availability Power Modules
Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory

Specifications

Category Integrated Circuits (ICs)Power Management (PMIC)OR Controllers, Ideal Diodes Mfr Texas Instruments
Series - Package Tube
Product Status Active Type N+1 ORing Controller
FET Type N-Channel Ratio - Input:Output N:1
Internal Switch(s) No Delay Time - OFF 130 ns
Current - Output (Max) - Current - Supply 4.25 mA
Voltage - Supply 3V ~ 16.5V Applications N+1 Power Supplies, High Availability
Operating Temperature -40°C ~ 85°C Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) Supplier Device Package 8-SOIC
Base Product Number TPS2419 Vin (min) (V) 0.8
Vin (max) (V) 16.5 Number of channels 1
Features Gate ON/OFF control, Reverse current blocking Iq (typ) (mA) 1.2
Iq (max) (mA) 7 FET External single FET
IGate source (typ) (µA) 290 IGate source (max) (µA) 350
IGate sink (typ) (mA) 5 IGate pulsed (typ) (A) 2.35
Operating temperature range (°C) -40 to 85 Rating Catalog
Imax (A) 250 VGS (max) (V) 11.5
Device type ORing controller Product type ORing controller
feature-fet-type N-Channel feature-number-of-drivers 1
feature-process-technology feature-maximum-turn-on-time-ns
feature-maximum-turn-off-time-ns 130(Typ) feature-minimum-operating-supply-voltage-v
feature-maximum-operating-supply-voltage-v feature-maximum-supply-current-ma
feature-maximum-power-dissipation-mw 410 feature-supplier-temperature-grade Industrial
feature-packaging Tube feature-rad-hard
feature-pin-count 8 feature-supplier-package SOIC
feature-standard-package-name SO feature-cecc-qualified No
feature-esd-protection Yes feature-military No
feature-aec-qualified No feature-aec-qualified-number
feature-eccn-code EAR99 feature-svhc No
feature-svhc-exceeds-threshold No

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