Rochester Electronics, LLC-RoHS
BQ2057TSNTR
IC BATT CHG LI-ION 1-2CELL
Category
Subcategory
Pmic Battery Chargers
Package
-
Series
BQ2057
Status
Obsolete
Datasheet
$0.53 / unit (market reference)
MOQ: 566 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
✅ 365-Day Warranty🚚 Global Shipping
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | BQ2057TSNTR |
| Mounting Type | Surface Mount |
| Operating Temperature | -20°C ~ 70°C |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
BQ2057TSNTR by Rochester Electronics, LLC is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The - package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Number of Cells | 1 ~ 2 |
| Fault Protection | Over Current, Over Temperature |
| Battery Chemistry | Lithium Ion/Polymer |
| Current - Charging | Constant - Programmable |
| Battery Pack Voltage | 4.1V |
| Charge Current - Max | 4mA |
| Programmable Features | Current |
| Voltage - Supply (Max) | 15V |
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