3A 12C Controlled USB/Adapter Li-ion Battery Charger with Power Path and 2.1A OTG Boost

HL7016 - Halo Microelectronics

HL7016 - Halo Microelectronics Main Photo


The HL7016 is a fully integrated switch-mode Li-ion battery charger with power MOSFET, power path management, I²C interface and USB On-the-Go (OTG) boost function. It can be used with single cell or multi-cells in parallel Li-ion and Li-polymer batteries in a wide range of cellphones, smartphones, tablets, power banks, and other portable devices. It’s switch-mode operation and low-resistance power path maximize charging, discharging, and boost efficiency. It also reduces battery charging time and extends battery life during a discharging phase.

This device supports a wide range of input sources, including standard USB host port, USB charging port, and high-power AC-DC adapter. It supports an input operating voltage from 3.9V to 14V and can power up the system rail without a battery. It can automatically adjust to the maximum power output of the input source via the input dynamic power management control (INDPM).

For more detailed description of the device, please download a product brief.


  • 20V input voltage tolerance, 3.9-14V operating voltage range
  • High efficiency 3A switch mode charger
    • 92% Charge efficiency at 2A
  • USB-compliant/adapter charger
    • USB 1.0/2.0/3.0 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 1µH inductor
  • USB OTG boost programmable VOUT: 4.55-5.5V or 9V
    • Max IOUT: 2.5A @ 4.55-5.5V
    • 90% Efficiency at 1.5A
    • Hiccup mode over-current protection for reliable capacitive load start-up
  • Power path management
    • Instant system on with no battery or deeply discharged battery
    • Ideal diode operation in battery assistant mode
  • Full range programmable charge parameter through I²C compatible interface
  • Accuracy (0°-125°C)
    • ±1% Charge voltage regulation
    • ±10% Charge current regulation
    • ±10% Input current regulation
    • ±2% Output regulation in boost mode
  • High integration
    • Dynamic power path management
    • Synchronous switch MOSFET
    • Integrated current sensing
    • Bootstrap diode
    • Internal loop compensation
  • Comprehensive protections
    • Safety timer with reset control
    • Thermal regulation and shutdown
    • Input & output over-voltage protection
    • Output over-current protection
    • Reverse battery leakage protection
  • Charge status output for LED or host processor
  • Shipping mode and low battery leakage current
  • 4mm x 4mm QFN-24 package

For more information or a full datasheet request, please contact the factory at sales@halomicro.com.