1S LiPo Charger w/ USB-C (H05R0x)


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1S LiPo Charger w/ USB-C

Stage: Testing

1 in stock


H05R0x 1S LiPo Charger with USB-C Hexabitz module is a sophisticated and feature-rich power management solution based on the STM32G0 MCU, MAX17330X22+T stand-alone charger, fuel gauge, and protector, TPS631000DRLR buck-boost converter, and LD39200PU33R linear regulator with reverse current protection.

  • Key features of this Hexabitz module include:
  1. STM32G0 MCU: This microcontroller provides the processing power and control capabilities for the module, allowing for intelligent charging management and monitoring of the battery status.
  2. MAX17330X22+T Stand-alone Charger, Fuel Gauge, and Protector: This integrated IC handles the charging of the lithium polymer battery, provides accurate fuel gauge information, and offers protection features to ensure the safe operation of the battery.
  3. TPS631000DRLR Buck-Boost Converter: This high-power density converter is capable of providing up to 1.5A of output current, allowing for efficient power conversion and regulation to power various electronic devices or projects.
  4. LD39200PU33R Linear Regulator: This linear regulator offers a 2A high PSRR (Power Supply Rejection Ratio) and ultra-low dropout voltage, ensuring stable and clean power delivery to the connected components.

Overall, this Hexabitz module combines advanced charging, power conversion, and regulation capabilities in a compact form factor, making it an ideal solution for applications requiring reliable and efficient power management for single-cell lithium polymer batteries.




  • MAX17330X22+T 28μA IQ stand-alone charger, fuel gauge, protector, and battery internal self-discharge detection IC for 1-cell lithium-ion/polymer batteries:
    • Low-Power Charging
      • 1mA to 500mA directly from universal 5V USB
      • No USB identification/coordination needed
    • High-Power Parallel Packs (>1000mA)
      • Independently charges parallel packs
      • Prevents cross-charging for parallel batteries
      • Coordinates external DC-DC with alerts
      • Minimizes dropout and heat
    • Protection and Charging Control—pack or host side
  • TPS631000DRLR 1.5-A Output Current, High Power Density Buck-Boost Converter:
    • 1.6-V to 5.5-V input voltage range
      – Device input voltage > 1.65 V for start-up
    • 1.2-V to 5.3-V output voltage range (adjustable)
    • High output current capability, 3-A peak switch current
      – 2-A output current for VIN ≥ 3 V, VOUT = 3.3 V
      – 1.5-A output current for VIN ≥ 2.7 V, VOUT = 3.3 V
    • High efficiency over the entire load range
      – 8-μA typical quiescent current
      – Power save mode
    • 150-mV load-step response at a 1-A current step
    • Peak current buck-boost mode architecture
      – Seamless mode transition with < 20-mV output ripple
      – Forward and reverse current operation
      – Start-up into pre-biased outputs
      – Fixed-frequency operation with 2-MHz switching
  • LD39200PU33R 2 A high PSRR ultra low drop linear regulator with reverse current protection
    • Input voltage from 1.25 V to 6.0 V
    • Ultra low drop: 130 mV (typ.) at 2 A load
    •  1% output accuracy at 25 °C, 2% in full temperature range
    • High PSRR: 70 dB at 1 kHz
    • Reverse current protection
    • 2 A guaranteed output current
    • Available in fixed and adjustable output voltage version from 0.5 V with 100 mV step
    • Internal current and thermal limit
    • Operating junction temperature range: -40 °C to 125 °C


  • STM32G0B1CEU6N 32-bit ARM Cortex-M0 MCU.
  • 8MHz external oscillator.
  • Five array ports and eleven power ports (+3.3V and GND).
  • Access to 5xUART, BOOT0, RESET.

Physical Properties

  • Shape: Dual-hexagon
  • Size: 60 mm short diagonal, 17.32 mm side
  • Area: 15.6 cm^2
  • Weight: 20 g
  • Soldermask Color: Dark green
  • Surface Finish: ENIG (gold) or HASL-LF (tin)


Please visit this product projects on Hackster.o network.


H05R0x BOM

Quickstart Guide

Download a PDF version here.




Frequently Asked Questions

Have more questions? Please check our main FAQ page and feel free to contact us for any unanswered questions.


Download a PDF version here.


  • Schematics (PDF)
  • Hardware Design Files (EAGLE)
  • Source Code (GitHub). Download a pre-compiled firmware HEX file here.
  • Documentation / Factsheet (PDF)
  • Projects & Examples: Please check our account on Hackster.io for demo projects and examples.