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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.
