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UCC2921DTR The Texas Instruments UCC2921DTR is a hot swap controller designed for general-purpose applications. It operates at -48V and features a 1mA current rating.
Mfr Part #:

UCC2921DTR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UCC2921DTR is a hot swap controller designed for general-purpose applications. It operates at -48V and features a 1mA current rating.
✓ Total Stock: 7,333 pcs
$ Price Range: $2.65

UCC2921DTR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
4,833 pcs
On Request
4833 pcs On Request 1 On Request On Request 18+ On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request 14+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

UCC2921DTR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Features
Industrial Grade
Internal Switch(s)
Mounting Type
Number of Channels
Operating Temperature
Programmable Features
SVHC Present
Supplier Device Package
Tape & Reel
Type
Voltage
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UCC2921DTR Description

Short technical summary and product information.

The UCC2921DTR from Texas Instruments is a latchable negative floating hot swap power manager. It provides comprehensive power management, hot swap, and fault handling capabilities.

 

This IC is referenced to the negative input voltage and is powered through an external resistor to ground. It integrates control and housekeeping functions, making them externally programmable. Key features include precision fault threshold, programmable average power limiting, linear current control, overcurrent limit, and fault time. It also offers automatic retry mode or latched operation mode, shutdown control, and undervoltage lockout.

 

The UCC2921DTR is available in an 8-SOIC package, suitable for surface mount applications. It operates within a temperature range of -40°C to 85°C and is designed for general-purpose use.

 

This hot swap controller is designed to protect systems from power supply faults, ensuring reliable operation during hot insertion or removal of boards.

UCC2921DTR Quick Information

Product Type: Hot Swap Controller
Series: UCC2921
Canonical Name: UCC2921DTR Hot Swap Controller
Subcategory: Power Protection Switches & Controllers

UCC2921DTR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

UCC2921DTR Estimated Pricing

Qty Low High
1+ $2.65 $2.65

Estimated market price range - modelled values for guidance only, not live distributor offers.

UCC2921DTR Features

  • Negative floating hot swap power manager.
  • Programmable fault threshold and current limit.
  • Automatic retry or latched operation modes.
  • Undervoltage lockout protection.
  • Surface mount 8-SOIC package.

UCC2921DTR Applications

  • Hot swap power management.
  • System fault handling.
  • Board insertion protection.
  • General purpose power control.

UCC2921DTR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the UCC2921DTR?

-40°C to 85°C.

What is the typical regulator voltage?

9.5V at 2mA source current and 9.6V at 10mA source current.

What is the undervoltage lockout (UVLO) off voltage?

8V typical.

What package is the UCC2921DTR available in?

8-SOIC surface-mount package (0.154", 3.90mm width).

What is the overcurrent threshold?

50mV typical at both 25°C and over operating temperature.

What programmable protection features does it have?

Auto retry, circuit breaker, current limit, fault timeout, and latched fault.

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