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QK1301B Low-Voltage Key Charging LED Driver IC
QK1301B Low-Voltage Key Charging LED Driver IC
Single-chip solution integrating linear charger & synchronous boost. 1A rate, 93% efficiency, 10μA standby.
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| Full Part Number | QK1301B |
| Brand / Manufacturer | HICHON |
| Datasheet | Download |
| Package Type | SOT23-6 |
| MOQ / SPQ | 3000/Reel |
| Mounting Style | SMD/SMT |
| Input Voltage Range | 4.5V ~ 5V |
| Output Voltage & Current | Battery Voltage / 1A |
| Output Voltage Range | Battery Voltage (2.6V ~ 4.2V) |
| Output Current Range | 0 ~ 1A |
| Charge Current | Up to 0.5A |
| Charge Voltage | 4.2V（±1.5%） |
| Standby Power Consumption | < 10μA |
| Quiescent Current | 5μA ~ 10μA |
| Peak Current | 1A |
| Switching Frequency | 25kHz (LED Switching Frequency) |
| Topology | Linear Charger + LED Driver |
| RDS(on) | 180mΩ |
| Drive Capability | Up to 1A |
| Supply Voltage | 4.5V ~ 5V |
| Operating Temperature | -40℃ ~ +70℃ |
| Semiconductor Material | Silicon |
| Battery Chemistry | Li-ion / Li-Polymer |
| Battery Cell Count | 1 |
| LED String Count | Series-connected (Multi) |
| Dimming Method | Key 6-Level Dimming: 100% → 40% → 20% → 7Hz Strobe → SOS → Off ; Auto Current Reduction + SOS Emergency Signal Mode |
| Protection Features | OCP, OVP, UVLO (2.6V), OTP (160℃), Reverse Battery Protection, Charge Thermal Derating (130℃) |
| Dimensions | SOT23-6: 2.9×2.8×1.2mm |
| Packaging | Tape & Reel |
What is the Minimum Order Quantity (MOQ)?
What is the Minimum Order Quantity (MOQ)?
Standard MOQ is 1 Reel. Sample orders are accepted in smaller quantities. Please contact us for custom arrangements.
Are your products guaranteed authentic?
Are your products guaranteed authentic?
All products are genuine, factory-sourced components. Certificate of Analysis (COA) and Datasheet are available upon request. Third-party inspection can be arranged if needed.
What is your sample policy?
What is your sample policy?
Standard samples require a sample fee, which is deductible upon bulk order placement. Free evaluation samples are available for qualified companies. Shipping costs are covered by the buyer or charged to the buyer's courier account.
What payment methods are accepted?
What payment methods are accepted?
We accept T/T (Wire Transfer) with 80% deposit and balance before shipment, PayPal or credit card for small orders, and net terms for established customers upon approval.
What is the lead time?
What is the lead time?
In-stock items ship within 3–7 business days. Custom or bulk orders take 4–12 weeks depending on capacity and materials. Exact lead time will be confirmed upon order placement.
