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BQ2057SN
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We source brand-new parts via original manufacturers, franchised distributors or verified independent channels, with incoming inspection. Channel type is confirmed on your quote.

Contact sales or email [email protected] with MPN and quantity. We reply with stock, ETA and reference pricing — confirm before PO.

Reference price and stock shown as of 2026-09-22. Confirm live availability and unit price via RFQ before placing a PO.

BQ2057SN

IC BATT CHG LI-ION 1CELL 8SOIC
· Battery Chargers · BOM Matching
Mfr. Part Number
BQ2057SN
Manufacturer
None
Package / Case
8-SOIC (0.154", 3.90mm Width)
Datasheet
Datasheet
Description
IC BATT CHG LI-ION 1CELL 8SOIC
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
sample
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BQ2057SN
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In Stock2,723
Unit
Price
$1.94
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Reference Price
QuantityPrice
1$ 1.9400
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-09-22 · Valid as reference until 2026-09-29 · Request RFQ for live stock.
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Specification Summary

Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOIC
Battery Pack Voltage
4.1V
Voltage - Supply (Max)
15V
Current - Charging
Constant - Programmable
Operating Temperature
-20°C ~ 70°C (TA)
Mounting Type
Surface Mount
Battery Chemistry
Lithium Ion/Polymer
Full specifications are listed below. Need alternates or BOM matching? Read BOM guide · Request a quote
Stock status: Sourcing — Lead time quoted on request (often 3–15 business days by channel)
Shortage / allocation / EOL lines may need longer — ask via RFQ.
Reference price and stock shown as of 2026-09-22. Confirm live availability and unit price via RFQ before placing a PO.
Lead time FAQ Authenticity FAQ MOQ FAQ
Specifications
Product Description
Purchase & Inquiry
Current - Charging
Constant - Programmable
Charge Current - Max
-
Battery Pack Voltage
4.1V
Battery Chemistry
Lithium Ion/Polymer
Fault Protection
-
Number of Cells
1
Programmable Features
Current
Voltage - Supply (Max)
15V
Interface
-
Mounting Type
Surface Mount
Operating Temperature
-20°C ~ 70°C (TA)
Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOIC
IC BATT CHG LI-ION 1CELL 8SOIC
Brand Introduction
None
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Buying FAQ — BQ2057SN

Answer-first notes for stock, authenticity, lead time and quoting. Marked up as FAQPage.

How do I buy BQ2057SN from Yingxinyuan?

Open RFQ with quantity and target date, or upload a BOM that includes BQ2057SN. We reply with stock, channel note, reference price and ETA.

Is the listed price final?

Prices on the product page are reference only. Confirm unit price, currency and validity via RFQ before placing a PO.

How fresh is the stock figure?

Stock and reference price show an as-of date on the page. Ask for a live confirm — allocation lines can change daily.

How do you source authentic parts?

We source from manufacturers, franchised distributors and verified independents, then inspect incoming lots. See /anti-counterfeit/.

What is a typical lead time?

In-stock lines often ship within 24–48 hours after confirmation. Sourcing / allocation ETAs are quoted per line — see /lead-time-shipping/.
BOM matching · Anti-counterfeit · Lead time & shipping

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