BQ2057TSNAlternatives & Equivalent Parts
About BQ2057TSN
BQ2057TSN is an electronic component manufactured by Texas Instruments. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | BQ2057TSNSource | MCP73831T-2ATI/OT | BQ24040DSQR |
|---|---|---|---|
| Manufacturer | Texas Instruments | Microchip | Texas Instruments |
| Package Type | — | SOT23 (5-Pin) | Small Outline No-lead |
| Pin Count | — | 5 | 10 |
| Temperature Range | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $1.3800 | — | $0.4190 |
| Electrical Parameters | |||
| Charge Voltage | 4.1 / 4.2 V | — | — |
| Max Charge Current | 1 A | — | — |
| Input Voltage | 4.5 to 10 V | — | — |
| Operating Temperature | -40 to 85 C | — | — |
| Package | SOIC-8 | — | — |
| Safety Timer | 4 hr | — | — |
| Chemistry | Li-Ion / Li-Polymer | — | — |
| Pbfree Code | — | Yes | Yes |
| Manufacturer Package Code | — | SOT-23-5 | — |
| Factory Lead Time | — | 8 Weeks | — |
| YTEOL | — | 9 | 15 |
| Additional Feature | — | REGULATION VOLTAGE IS 4.2V | — |
| Adjustable Threshold | — | YES | YES |
| Analog IC - Other Type | — | LINEAR BATTERY CHARGER | LINEAR BATTERY CHARGER |
| JESD-30 Code | — | R-PDSO-G5 | S-PDSO-N10 |
| JESD-609 Code | — | e3 | e4 |
| Number of Channels | — | 1 | 1 |
| Number of Functions | — | 1 | 1 |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | — | TSOP5/6,.11,37 | SOLCC10,.08,16 |
| Package Shape | — | RECTANGULAR | SQUARE |
| Package Style | — | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | — | 260 | 260 |
| Qualification Status | — | Not Qualified | Not Qualified |
| Supply Current-Max (Isup) | — | 1.5 mA | 1 mA |
| Supply Voltage-Max (Vsup) | — | 6 V | 6.5 V |
| Supply Voltage-Min (Vsup) | — | 3.75 V | 3.5 V |
| Supply Voltage-Nom (Vsup) | — | 5.2 V | 5 V |
| Surface Mount | — | YES | YES |
| Temperature Grade | — | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | — | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | — | GULL WING | NO LEAD |
| Terminal Pitch | — | 0.95 mm | 0.4 mm |
| Terminal Position | — | DUAL | DUAL |
| Threshold Voltage-Nom | — | +4.2V | +6.65V |
| Input Voltage-Max | — | — | 6.5 V |
| Input Voltage-Min | — | — | 3.5 V |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 |
| ## BQ24040DSQR Alternates Showing results | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Single-cell Li-Ion linear charger, SOT-23-5 package, 4.2V, up to 500mA. Smaller package, lower max current than BQ2057TSN.
TI next-gen single-cell Li-Ion charger with USB input support and enhanced safety features, upgrade path from BQ2057TSN.
Why Look for Alternatives?
Finding alternatives for BQ2057TSN is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating BQ2057TSN replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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What is equivalent to BQ2057TSN?
Known equivalents for BQ2057TSN include MCP73831T-2ATI/OT, BQ24040DSQR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of BQ2057TSN?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify BQ2057TSN alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.