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BQ2057WTSTR
IC BATT CHG LI-ION 2CELL 8TSSOP
- Manufacturer
- Mfr. Part #BQ2057WTSTR
- Package TSSOP-8
- Datasheet
- In Stock6690
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Specifications
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 2 |
| Current-Charging | Constant - Programmable |
| ProgrammableFeatures | Current |
| BatteryPackVoltage | 8.4V |
| Voltage-Supply(Max) | 15V |
| OperatingTemperature | -20°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP (0.173, 4.40mm Width) |
Overview
Description
Key features of the BQ2057WTSTR include its ability to accurately monitor battery voltage, current, and temperature, ensuring safe and efficient charging and discharging processes. It typically supports single-cell and multi-cell configurations, offering overcharge and over-discharge protection, which helps in extending battery life and preventing damage. The IC also includes safety features like short-circuit protection, ensuring the battery pack operates within safe parameters.
The BQ2057WTSTR is particularly valued for its compact size, which makes it suitable for integration into small electronic devices such as smartphones, tablets, and other portable gadgets. Its design emphasizes safety, reliability, and efficiency, which are critical for the performance and longevity of modern battery-powered devices.
Features
1. Battery Monitoring: It efficiently manages the charging and discharging cycles of a battery, ensuring optimal battery health over its lifespan.
2. Charge Control: This IC provides accurate control over the charging process, including temperature and voltage thresholds, to prevent overcharging and extend battery life.
3. Discharge Protection: The BQ2057WTSTR protects against over-discharge by monitoring battery voltage levels and preventing excessive depletion.
4. Efficiency: It features low power consumption, which is crucial for maximizing the battery life of portable electronic devices.
5. Data Communication: The IC supports communication protocols for data exchange, enabling integration with other system components for comprehensive battery management.
6. Flexibility: Designed to support various battery chemistries, including lithium-ion and lithium-polymer, making it suitable for a wide range of applications.
7. Compact Design: The IC comes in a small package, facilitating its use in compact and portable electronic devices where space is limited.
Overall, the BQ2057WTSTR is ideal for applications requiring precise battery monitoring and management.
Package
Pinout
1. VCC: Power supply input.
2. BAT: Battery connection pin, where the lithium-ion cell is connected.
3. GND: Ground pin.
4. OUT: Output pin for the battery.
5. PROG: Programs the charge current.
6. STAT: Status output indicating charge status.
7. NC: No connection, sometimes used for thermal pad or mechanical support.
8. TS: Temperature sensor input to monitor battery temperature.
These pins collectively manage the charging process, enabling current and voltage regulation, status indication, and thermal monitoring to ensure safe and efficient charging of lithium-ion cells.
Manufacturer
Application
Equivalent
1. MCP73831 by Microchip Technology
2. MAX1811 by Maxim Integrated
3. TP4056 by NanJing Top Power ASIC Corp
These alternatives offer similar functionalities like charge management, constant current/constant voltage charging, and protection features. Always check datasheets for compatibility with your specific application requirements.
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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