HL7019 Integrated Circuit Chip 3A Li-ion Battery Charger QFN24 Battery Management IC
The HL7019 is a fully integrated switch-mode Li-ion battery charger featuring power MOSFET, power path management, I2C interface, and USB On-the-Go (OTG) boost function. Designed for single-cell or multi-cell parallel Li-ion and Li-polymer batteries, this IC is ideal for cellphones, smartphones, tablets, power banks, and various portable devices.
Product Specifications
| Parameter |
Specification |
| Product Type |
Charge Management |
| Battery Type |
Lithium-ion, Lithium Polymer |
| Output Voltage |
3.5 V to 5.5 V/9 V |
| Output Current |
3 A |
| Operating Supply Voltage |
3.9 V to 14 V |
| Package / Case |
QFN-24 |
| Mounting Style |
SMD/SMT |
Key Features
- 20V Input Voltage Tolerance, 3.9V-14V Operating Voltage Range
- High Efficiency 3A Switch Mode Charger with 92% Charge Efficiency at 2A
- USB-compliant/Adapter Charger with USB1.0/2.0/3.0 Compliant Input Current Limit
- 0.1-3A Programmable Input Current Limit
- Autonomous Preconditioning/CC/CV Charge Control, Termination and Recharge
- 1.5MHz Synchronous PWM Converter for Small 1uH Inductor
- USB OTG Boost Programmable Vout: 4.55V to 5.51V or 9V
- Maximum Output: 2.1A@4.55-5.51V with 90% Efficiency at 1.5A
- Hiccup Mode Over-Current Protection for Reliable Capacitive Load Start-up
Applications
- Tablet PC
- Smart Phone
- Power Bank
- Portable Media Player
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Frequently Asked Questions
Are your products original?
Yes, all products are original. New original import is our primary business focus.
Which Certificates do you have?
We are ISO 9001:2015 Certified Company and member of ERAI.
Can you support small quantity order or sample? Is the sample free?
Yes, we support sample orders and small quantities. Sample cost varies according to your order or project requirements.
How to ship my order? Is it safe?
We use express carriers such as DHL, FedEx, UPS, TNT, and EMS. We can also use your suggested forwarder. Products are professionally packaged to ensure safety, and we take responsibility for any damage to your order.
What about the lead time?
We can ship stock parts within 5 working days. For items not in stock, we will confirm lead time based on your order quantity.
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