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Benchmarq BQ2057TSNTR

IC BATT CHG LI-ION 1-2CELL

Answer first: this page is a purchasing reference for the exact part number BQ2057TSNTR from Benchmarq. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: Benchmarq Category: Battery Chargers Part number: BQ2057TSNTR Package: - RFQ verification required

Key Parameters

Part NumberBQ2057TSNTR
ManufacturerBenchmarq
CategoryBattery Chargers
package-
series-
packagingBulk
product statusObsolete
param 1Lithium Ion/Polymer
param 21 ~ 2
param 3Constant - Programmable
param 4Current
param 5Over Current, Over Temperature
param 6-
param 74.1V
param 815V
param 9-
param 10-20°C ~ 70°C
param 11-
param 12-
param 13Surface Mount
param 14-

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify BQ2057TSNTR Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For BQ2057TSNTR, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.