BQ21040DBVR 0.8-A Single-Input Single Cell Li-Ion and Li-Pol Battery Charger
The BQ21040DBVR is a high-performance 0.8-A single-input battery charger designed for single-cell Li-Ion and Li-Pol batteries, offering precise charging control and comprehensive protection features.
Key Features
Charging Performance
- 1% Charge Voltage Accuracy
- 10% Charge Current Accuracy
- Low Battery Leakage Current (1 µA)
- Programmable Charge Current using External Resistor up to 800 mA
- 4.2-V Li-Ion and Li-Pol Charger
Protection Features
- 30-V Input Rating with 6.6-V Input Overvoltage Protection
- Input Voltage Dynamic Power Management
- 125°C Thermal Regulation with 150°C Thermal Shutdown Protection
- OUT Short-Circuit Protection and ISET Short Detection
- Overtemperature Sensing Protection Through NTC
- Fixed 10-Hour Safety Timer
System Features
- Status Indication – Charging/Done
- Available in Small SOT-23 Package
Part Number Details
| Part Number |
Package |
Body Size (Nom) |
| bq21040 |
SOT-23 (6) |
3.00 mm * 1.75 mm |
Packaging & Shipping
Standard export packaging available. Customers can choose from cartons, wooden cases, and wooden pallets according to their requirements.
Frequently Asked Questions
How to obtain the price?
We typically provide quotations within 24 hours of receiving your inquiry (excluding weekends and holidays). For urgent pricing requests, please contact us directly.
What is your delivery time?
Small batches typically ship within 7-15 days, while large batch orders may require approximately 30 days depending on order quantity and season.
What are your payment terms?
Factory pricing with 30% deposit and 70% balance payment via T/T before shipment.
What are the shipping options?
Available shipping methods include sea freight, air freight, and express delivery (EMS, UPS, DHL, TNT, FEDEX). Please confirm your preferred method before ordering.
