Texas Instruments BQ2057SN
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $8.40 | $8.40 |
| 15+ | $1.82 | $27.30 |
| 25+ | $1.78 | $44.50 |
| 50+ | $1.68 | $84.00 |
| 100+ | $1.49 | $149.00 |
| N+ | $0.30 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Marketplace | Tube |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current |
| Fault Protection | - |
| Charge Current - Max | - |
| Battery Pack Voltage | 4.1V |
| Voltage - Supply (Max) | 15V |
| Interface | - |
| Operating Temperature | -20°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| ROHS |  |
BQ2057SN - Single-Cell Lithium-Ion Battery Charger IC
The BQ2057SN from Texas Instruments is a precision single-cell lithium-ion and lithium-polymer battery charger IC designed for portable electronics and embedded applications. This advanced charging solution delivers programmable constant-current charging with integrated 4.1V battery pack voltage regulation, ensuring safe and efficient charging cycles for your battery-powered designs.
Key Features & Benefits
- Single-Cell Li-Ion/Polymer Support: Optimized for 1-cell lithium battery chemistries with precision voltage regulation
- Programmable Charging Current: Flexible current programming allows customization for different battery capacities
- Wide Operating Temperature Range: Reliable performance from -20°C to 70°C for industrial and automotive environments
- Compact Surface Mount Package: Space-saving 8-SOIC (3.90mm width) footprint ideal for portable devices
- 15V Maximum Supply Voltage: Compatible with standard power supply rails
- RoHS Compliant: Meets environmental and regulatory standards for global markets
Applications
The BQ2057SN is ideal for portable consumer electronics, medical devices, industrial handheld equipment, IoT sensors, and battery-powered embedded systems requiring reliable single-cell lithium battery charging with programmable current control.
Quality & Compliance
This component is RoHS compliant and sourced from authorized Texas Instruments distribution channels, ensuring authenticity, traceability, and full manufacturer warranty support.
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BQ2057SN.pdf