-
Part Symbol
-
Footprint
-
3D Model
Available Download Formats
By downloading CAD models, you agree to our Terms & Conditions and Privacy Policy
Part Details for UC3906Q by Texas Instruments
Results Overview of UC3906Q by Texas Instruments
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (2 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (6 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
UC3906Q Information
UC3906Q by Texas Instruments is a Power Management Circuit.
Power Management Circuits are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for UC3906Q
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
86052006
|
Verical | Linear Battery Charger Lead-Acid 2000mA 0V to 20V 20-Pin PLCC Tube RoHS: Compliant Min Qty: 80 Package Multiple: 1 Date Code: 0601 | Americas - 6723 |
|
$4.7375 | Buy Now |
|
|
Quest Components | POWER SUPPLY SUPPORT CIRCUIT, FIXED, 1 CHANNEL, BIPOLAR, PQCC20 | 301 |
|
$3.2310 / $8.0775 | Buy Now |
|
|
Rochester Electronics | UC3906 Linear Lead-Acid Battery Charger RoHS: Compliant Status: Obsolete Min Qty: 1 | 6817 |
|
$3.0300 / $3.7900 | Buy Now |
Part Details for UC3906Q
UC3906Q CAD Models
UC3906Q Part Data Attributes
|
|
UC3906Q
Texas Instruments
Buy Now
Datasheet
|
Compare Parts:
UC3906Q
Texas Instruments
Linear Lead-Acid Battery Charger 20-PLCC -20 to 70
|
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | QLCC | |
| Package Description | LCC-20 | |
| Pin Count | 20 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Adjustable Threshold | NO | |
| Analog IC - Other Type | POWER SUPPLY SUPPORT CIRCUIT | |
| 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 | |
| Terminal Form | J BEND | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | QUAD | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 8.965 mm |
Alternate Parts for UC3906Q
This table gives cross-reference parts and alternative options found for UC3906Q. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of UC3906Q, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| UC2906Q | Texas Instruments | Check for Price | Linear Lead-Acid Battery Charger 20-PLCC -40 to 70 | UC3906Q vs UC2906Q |
| UC3906Q | Rochester Electronics LLC | Check for Price | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20, GREEN, PLASTIC, LCC-20 | UC3906Q vs UC3906Q |
UC3906Q Frequently Asked Questions (FAQ)
-
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.