Please enter a minimum 3 letters or numbers
Technical Content
Part Image

UC3906Q - Texas Instruments

Description: Texas Instruments UC3906Q, Lead-Acid, Battery Charge Controller, 40mA 20-Pin, PLCC

Download UC3906Q Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
Send part feedback
Symbol
UC3906Q - Texas Instruments - PCB symbol
click to zoom
PCB Footprints
UC3906Q - Texas Instruments PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - FN0020A_PLCC20
click to zoom
3D Models
UC3906Q - Texas Instruments - 3D model - Plastic Leaded Chip Carrier - FN0020A_PLCC20
click to zoom

UC3906Q Details

  • Manufacturer Part Number:

    UC3906Q

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QLCC

  • Package Description:

    LCC-20

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    S-PQCC-J20

  • JESD-609 Code:

    e3

  • Length:

    8.965 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -20 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCJ

  • Package Equivalence Code:

    LDCC20,.4SQ

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.57 mm

  • Supply Current-Max (Isup):

    2.7 mA

  • Supply Voltage-Max (Vsup):

    40 V

  • Supply Voltage-Min (Vsup):

    5 V

  • Supply Voltage-Nom (Vsup):

    10 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    J BEND

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    8.965 mm

UC3906Q Frequently Asked Questions (FAQs)

  • The UC3906Q requires careful layout and placement to ensure proper operation. TI recommends placing the IC close to the input capacitors, using short traces, and separating the input and output sections to minimize noise coupling. A 4-layer PCB with a solid ground plane is also recommended.
  • The input capacitors should be selected based on the input voltage, current, and frequency. TI recommends using low-ESR capacitors with a voltage rating of at least 1.5 times the maximum input voltage. The capacitance value should be chosen to ensure that the input ripple voltage is within the specified limits.
  • The UC3906Q can deliver up to 6A of output current, but this is dependent on the input voltage, output voltage, and thermal conditions. TI recommends derating the output current based on the ambient temperature and using a heat sink if necessary.
  • The UC3906Q has a built-in overcurrent protection feature that can be enabled by connecting a resistor between the OC pin and ground. The value of the resistor determines the overcurrent threshold. TI recommends using a resistor value that sets the threshold to 1.5-2 times the maximum expected output current.
  • The EN (enable) pin is used to turn the UC3906Q on and off. When the EN pin is high, the IC is enabled and operates normally. When the EN pin is low, the IC is disabled and the output is turned off. This pin can be used to implement power sequencing or to turn off the output during fault conditions.

Trust Checks

This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

UC3906Q Overview

Use the download button to access the UC3906Q schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like UC390, or try a keyword search, such as Power Management Circuits

About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

Suggested Parts

If you searched for UC3906Q, you might also be interested in these parts:
Part Number
UC3906DW
XL4016 E1
XL4016
BM03B-SRSS-TB(LFSN)
357LB3I040M0000
GS2988-INE3
RC0805FR-07100KL
ADM7150ACPZ-1.8-R7
XEL4030-301MEC

Parts related to UC3906Q

Showing 0 results

Part Image

← Prev Next →
About Us Contact Us Terms of Service Do not sell or share my personal information Privacy Policy Digital Services Act Library Loader Twitter LinkedIn

All content Copyright © 2020, Supplyframe.com. All rights reserved. Back to top ↑

UC3906Q Alternates

Showing results

Image Part Number Model
Part Image UC3906Q Rochester Electronics LLC

1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20, GREEN, PLASTIC, LCC-20
Part Image UC2906Q Rochester Electronics LLC

1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20, GREEN, PLASTIC, LCC-20
Part Image UC3906QTR Texas Instruments

LINEAR BATTERY CHARGER, Fixed, 1 Channel, BIPolar, PQCC20