Texas Instruments LP3921SQX/NOPB Battery Chargers
IC BATT CHG LI-ION 1CELL 32WQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LP3921SQX/NOPB
Detailed Description
IC BATT CHG LI-ION 1CELL 32WQFN
Package
32-WFQFN Exposed Pad
Key Features
Package / Case: 32-WFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Not For New Designs
RoHS State
RoHS Compliant
Datasheet
LP3921SQX/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LP3921SQX/NOPB Battery Chargers technical specifications.
General
Interface
I²C
RoHS
Yes
Package / Case
32-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
5.5V
Lifecycle Status
Not For New Designs
Battery Chemistry
Lithium Ion
Number of Cells
1
Charge Current Max
950mA
Related Parts Comparison (LP3921SQX/NOPB vs LP5907UVX-1.2/NOPB vs LP38691QSDX-3.3/NOPB vs LP5907UVX-3.1/NOPB)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 32-WFQFN Exposed Pad | 4-XFBGA, DSBGA | 6-WDFN Exposed Pad | 4-XFBGA, DSBGA |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Not For New Designs | Active | Active | Active |
| Iout Max a | 0.3 | 0.25 | 0.5 | 0.25 |
| Iq Typ Ma | 2 | 0.012 | 0.055 | 0.012 |
| Operating Temperature Range C | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 |
| Package | WQFN (RTV)-32 | DSBGA | WSON EP | DSBGA |
| Regulated Outputs | 7 | 1 | 1 | 1 |
| Vin Max V | 5.5 | 5.5 | 10 | 5.5 |
| Vin Min V | 3 | 2.2 | 2.7 | 2.2 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
NXP
IC SYSTEM BASIS CHIP 32LQFP
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.